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krahets
2026-03-29 05:07:03 +08:00
parent 9e8c0cb36c
commit 9466700256
841 changed files with 38622 additions and 119252 deletions
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ru/chapter_stack_and_queue/deque/index.html
+273 -375
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@@ -35,7 +35,7 @@
<link rel="icon" href="../../assets/images/favicon.png">
<meta name="generator" content="mkdocs-1.6.1, mkdocs-material-9.7.1">
<meta name="generator" content="zensical-0.0.29">
@@ -43,10 +43,15 @@
<link rel="stylesheet" href="../../assets/stylesheets/main.484c7ddc.min.css">
<link rel="stylesheet" href="../../assets/stylesheets/palette.ab4e12ef.min.css">
<link rel="stylesheet" href="../../assets/stylesheets/modern/main.6f2fbb28.min.css">
<link rel="stylesheet" href="../../assets/stylesheets/modern/palette.dfe2e883.min.css">
@@ -60,29 +65,20 @@
<link rel="preconnect" href="https://fonts.gstatic.com" crossorigin>
<link rel="stylesheet" href="https://fonts.googleapis.com/css?family=Noto+Sans:300,300i,400,400i,700,700i%7CJetBrains+Mono:400,400i,700,700i&display=fallback">
<link rel="stylesheet" href="https://fonts.googleapis.com/css?family=Noto+Sans:300,300i,400,400i,500,500i,700,700i%7CJetBrains+Mono:400,400i,700,700i&display=fallback">
<style>:root{--md-text-font:"Noto Sans";--md-code-font:"JetBrains Mono"}</style>
<link rel="stylesheet" href="../../stylesheets/extra.css">
<script>__md_scope=new URL("../..",location),__md_hash=e=>[...e].reduce(((e,_)=>(e<<5)-e+_.charCodeAt(0)),0),__md_get=(e,_=localStorage,t=__md_scope)=>JSON.parse(_.getItem(t.pathname+"."+e)),__md_set=(e,_,t=localStorage,a=__md_scope)=>{try{t.setItem(a.pathname+"."+e,JSON.stringify(_))}catch(e){}}</script>
<script>__md_scope=new URL("../..",location),__md_hash=e=>[...e].reduce(((e,t)=>(e<<5)-e+t.charCodeAt(0)),0),__md_get=(e,t=localStorage,a=__md_scope)=>JSON.parse(t.getItem(("__palette"===e?"/":a.pathname)+"."+e)),__md_set=(e,t,a=localStorage,_=__md_scope)=>{try{a.setItem(("__palette"===e?"/":_.pathname)+"."+e,JSON.stringify(t))}catch(e){}},document.documentElement.setAttribute("data-platform",navigator.platform)</script>
<link href="../../assets/stylesheets/glightbox.min.css" rel="stylesheet"/><style>
html.glightbox-open { overflow: initial; height: 100%; }
.gslide-title { margin-top: 0px; user-select: text; }
.gslide-desc { color: #666; user-select: text; }
.gslide-image img { background: white; }
.gscrollbar-fixer { padding-right: 15px; }
.gdesc-inner { font-size: 0.75rem; }
body[data-md-color-scheme="slate"] .gdesc-inner { background: var(--md-default-bg-color);}
body[data-md-color-scheme="slate"] .gslide-title { color: var(--md-default-fg-color);}
body[data-md-color-scheme="slate"] .gslide-desc { color: var(--md-default-fg-color);}</style> <script src="../../assets/javascripts/glightbox.min.js"></script></head>
</head>
@@ -97,7 +93,7 @@
<input class="md-toggle" data-md-toggle="drawer" type="checkbox" id="__drawer" autocomplete="off">
<input class="md-toggle" data-md-toggle="search" type="checkbox" id="__search" autocomplete="off">
<label class="md-overlay" for="__drawer"></label>
<label class="md-overlay" for="__drawer" aria-label="Навигация"></label>
<div data-md-component="skip">
@@ -137,12 +133,12 @@
<nav class="md-header__inner md-grid" aria-label="Верхний колонтитул">
<a href="../.." title="Hello Algo" class="md-header__button md-logo" aria-label="Hello Algo" data-md-component="logo">
<img src="../../assets/images/logo.svg" alt="logo">
<img src="../../assets/images/logo.svg" alt="Hello Algo">
</a>
<label class="md-header__button md-icon" for="__drawer">
<label class="md-header__button md-icon" for="__drawer" aria-label="Навигация">
<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24"><path d="M3 6h18v2H3zm0 5h18v2H3zm0 5h18v2H3z"/></svg>
<svg xmlns="http://www.w3.org/2000/svg" fill="none" stroke="currentColor" stroke-linecap="round" stroke-linejoin="round" stroke-width="2" class="lucide lucide-menu" viewBox="0 0 24 24"><path d="M4 5h16M4 12h16M4 19h16"/></svg>
</label>
<div class="md-header__title" data-md-component="header-title">
<div class="md-header__ellipsis">
@@ -154,7 +150,7 @@
<div class="md-header__topic" data-md-component="header-topic">
<span class="md-ellipsis">
5.3 Двусторонняя очередь
5.3 &nbsp; Двусторонняя очередь
</span>
</div>
@@ -167,7 +163,7 @@
<input class="md-option" data-md-color-media="" data-md-color-scheme="default" data-md-color-primary="white" data-md-color-accent="teal" aria-label="Темная тема" type="radio" name="__palette" id="__palette_0">
<input class="md-option" data-md-color-media="none" data-md-color-scheme="default" data-md-color-primary="white" data-md-color-accent="teal" aria-label="Темная тема" type="radio" name="__palette" id="__palette_0">
<label class="md-header__button md-icon" title="Темная тема" for="__palette_1" hidden>
<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24"><path d="M7.5 2c-1.79 1.15-3 3.18-3 5.5s1.21 4.35 3.03 5.5C4.46 13 2 10.54 2 7.5A5.5 5.5 0 0 1 7.5 2m11.57 1.5 1.43 1.43L4.93 20.5 3.5 19.07zm-6.18 2.43L11.41 5 9.97 6l.42-1.7L9 3.24l1.75-.12.58-1.65L12 3.1l1.73.03-1.35 1.13zm-3.3 3.61-1.16-.73-1.12.78.34-1.32-1.09-.83 1.36-.09.45-1.29.51 1.27 1.36.03-1.05.87zM19 13.5a5.5 5.5 0 0 1-5.5 5.5c-1.22 0-2.35-.4-3.26-1.07l7.69-7.69c.67.91 1.07 2.04 1.07 3.26m-4.4 6.58 2.77-1.15-.24 3.35zm4.33-2.7 1.15-2.77 2.2 2.54zm1.15-4.96-1.14-2.78 3.34.24zM9.63 18.93l2.77 1.15-2.53 2.19z"/></svg>
@@ -177,7 +173,7 @@
<input class="md-option" data-md-color-media="" data-md-color-scheme="slate" data-md-color-primary="black" data-md-color-accent="teal" aria-label="Светлая тема" type="radio" name="__palette" id="__palette_1">
<input class="md-option" data-md-color-media="none" data-md-color-scheme="slate" data-md-color-primary="black" data-md-color-accent="teal" aria-label="Светлая тема" type="radio" name="__palette" id="__palette_1">
<label class="md-header__button md-icon" title="Светлая тема" for="__palette_0" hidden>
<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24"><path d="M7.5 2c-1.79 1.15-3 3.18-3 5.5s1.21 4.35 3.03 5.5C4.46 13 2 10.54 2 7.5A5.5 5.5 0 0 1 7.5 2m11.57 1.5 1.43 1.43L4.93 20.5 3.5 19.07zm-6.18 2.43L11.41 5 9.97 6l.42-1.7L9 3.24l1.75-.12.58-1.65L12 3.1l1.73.03-1.35 1.13zm-3.3 3.61-1.16-.73-1.12.78.34-1.32-1.09-.83 1.36-.09.45-1.29.51 1.27 1.36.03-1.05.87zM19 13.5a5.5 5.5 0 0 1-5.5 5.5c-1.22 0-2.35-.4-3.26-1.07l7.69-7.69c.67.91 1.07 2.04 1.07 3.26m-4.4 6.58 2.77-1.15-.24 3.35zm4.33-2.7 1.15-2.77 2.2 2.54zm1.15-4.96-1.14-2.78 3.34.24zM9.63 18.93l2.77 1.15-2.53 2.19z"/></svg>
@@ -195,7 +191,7 @@
<div class="md-select">
<button class="md-header__button md-icon" aria-label="Выберите язык">
<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24"><path d="m12.87 15.07-2.54-2.51.03-.03A17.5 17.5 0 0 0 14.07 6H17V4h-7V2H8v2H1v2h11.17C11.5 7.92 10.44 9.75 9 11.35 8.07 10.32 7.3 9.19 6.69 8h-2c.73 1.63 1.73 3.17 2.98 4.56l-5.09 5.02L4 19l5-5 3.11 3.11zM18.5 10h-2L12 22h2l1.12-3h4.75L21 22h2zm-2.62 7 1.62-4.33L19.12 17z"/></svg>
<svg xmlns="http://www.w3.org/2000/svg" fill="none" stroke="currentColor" stroke-linecap="round" stroke-linejoin="round" stroke-width="2" class="lucide lucide-languages" viewBox="0 0 24 24"><path d="m5 8 6 6M4 14l6-6 2-3M2 5h12M7 2h1M22 22l-5-10-5 10M14 18h6"/></svg>
</button>
<div class="md-select__inner">
<ul class="md-select__list">
@@ -238,64 +234,30 @@
<label class="md-header__button md-icon" for="__search">
<label class="md-header__button md-icon" for="__search" aria-label="Поиск">
<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24"><path d="M9.5 3A6.5 6.5 0 0 1 16 9.5c0 1.61-.59 3.09-1.56 4.23l.27.27h.79l5 5-1.5 1.5-5-5v-.79l-.27-.27A6.52 6.52 0 0 1 9.5 16 6.5 6.5 0 0 1 3 9.5 6.5 6.5 0 0 1 9.5 3m0 2C7 5 5 7 5 9.5S7 14 9.5 14 14 12 14 9.5 12 5 9.5 5"/></svg>
<svg xmlns="http://www.w3.org/2000/svg" fill="none" stroke="currentColor" stroke-linecap="round" stroke-linejoin="round" stroke-width="2" class="lucide lucide-search" viewBox="0 0 24 24"><path d="m21 21-4.34-4.34"/><circle cx="11" cy="11" r="8"/></svg>
</label>
<div class="md-search" data-md-component="search" role="dialog">
<label class="md-search__overlay" for="__search"></label>
<div class="md-search__inner" role="search">
<form class="md-search__form" name="search">
<input type="text" class="md-search__input" name="query" aria-label="Поиск" placeholder="Поиск" autocapitalize="off" autocorrect="off" autocomplete="off" spellcheck="false" data-md-component="search-query" required>
<label class="md-search__icon md-icon" for="__search">
<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24"><path d="M9.5 3A6.5 6.5 0 0 1 16 9.5c0 1.61-.59 3.09-1.56 4.23l.27.27h.79l5 5-1.5 1.5-5-5v-.79l-.27-.27A6.52 6.52 0 0 1 9.5 16 6.5 6.5 0 0 1 3 9.5 6.5 6.5 0 0 1 9.5 3m0 2C7 5 5 7 5 9.5S7 14 9.5 14 14 12 14 9.5 12 5 9.5 5"/></svg>
<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24"><path d="M20 11v2H8l5.5 5.5-1.42 1.42L4.16 12l7.92-7.92L13.5 5.5 8 11z"/></svg>
</label>
<nav class="md-search__options" aria-label="Поиск">
<a href="javascript:void(0)" class="md-search__icon md-icon" title="Поделиться" aria-label="Поделиться" data-clipboard data-clipboard-text="" data-md-component="search-share" tabindex="-1">
<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24"><path d="M18 16.08c-.76 0-1.44.3-1.96.77L8.91 12.7c.05-.23.09-.46.09-.7s-.04-.47-.09-.7l7.05-4.11c.54.5 1.25.81 2.04.81a3 3 0 0 0 3-3 3 3 0 0 0-3-3 3 3 0 0 0-3 3c0 .24.04.47.09.7L8.04 9.81C7.5 9.31 6.79 9 6 9a3 3 0 0 0-3 3 3 3 0 0 0 3 3c.79 0 1.5-.31 2.04-.81l7.12 4.15c-.05.21-.08.43-.08.66 0 1.61 1.31 2.91 2.92 2.91s2.92-1.3 2.92-2.91A2.92 2.92 0 0 0 18 16.08"/></svg>
</a>
<button type="reset" class="md-search__icon md-icon" title="Очистить" aria-label="Очистить" tabindex="-1">
<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24"><path d="M19 6.41 17.59 5 12 10.59 6.41 5 5 6.41 10.59 12 5 17.59 6.41 19 12 13.41 17.59 19 19 17.59 13.41 12z"/></svg>
</button>
</nav>
<div class="md-search__suggest" data-md-component="search-suggest"></div>
</form>
<div class="md-search__output">
<div class="md-search__scrollwrap" tabindex="0" data-md-scrollfix>
<div class="md-search-result" data-md-component="search-result">
<div class="md-search-result__meta">
Инициализация поиска
</div>
<ol class="md-search-result__list" role="presentation"></ol>
</div>
</div>
</div>
</div>
<div class="md-search" data-md-component="search" role="dialog" aria-label="Поиск">
<button type="button" class="md-search__button">
Поиск
</button>
</div>
<div class="md-header__source">
<div class="md-header__source">
<a href="https://github.com/krahets/hello-algo" title="Перейти к репозиторию" class="md-source" data-md-component="source">
<div class="md-source__icon md-icon">
<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 512 512"><!--! Font Awesome Free 7.1.0 by @fontawesome - https://fontawesome.com License - https://fontawesome.com/license/free (Icons: CC BY 4.0, Fonts: SIL OFL 1.1, Code: MIT License) Copyright 2025 Fonticons, Inc.--><path d="M173.9 397.4c0 2-2.3 3.6-5.2 3.6-3.3.3-5.6-1.3-5.6-3.6 0-2 2.3-3.6 5.2-3.6 3-.3 5.6 1.3 5.6 3.6m-31.1-4.5c-.7 2 1.3 4.3 4.3 4.9 2.6 1 5.6 0 6.2-2s-1.3-4.3-4.3-5.2c-2.6-.7-5.5.3-6.2 2.3m44.2-1.7c-2.9.7-4.9 2.6-4.6 4.9.3 2 2.9 3.3 5.9 2.6 2.9-.7 4.9-2.6 4.6-4.6-.3-1.9-3-3.2-5.9-2.9M252.8 8C114.1 8 8 113.3 8 252c0 110.9 69.8 205.8 169.5 239.2 12.8 2.3 17.3-5.6 17.3-12.1 0-6.2-.3-40.4-.3-61.4 0 0-70 15-84.7-29.8 0 0-11.4-29.1-27.8-36.6 0 0-22.9-15.7 1.6-15.4 0 0 24.9 2 38.6 25.8 21.9 38.6 58.6 27.5 72.9 20.9 2.3-16 8.8-27.1 16-33.7-55.9-6.2-112.3-14.3-112.3-110.5 0-27.5 7.6-41.3 23.6-58.9-2.6-6.5-11.1-33.3 2.6-67.9 20.9-6.5 69 27 69 27 20-5.6 41.5-8.5 62.8-8.5s42.8 2.9 62.8 8.5c0 0 48.1-33.6 69-27 13.7 34.7 5.2 61.4 2.6 67.9 16 17.7 25.8 31.5 25.8 58.9 0 96.5-58.9 104.2-114.8 110.5 9.2 7.9 17 22.9 17 46.4 0 33.7-.3 75.4-.3 83.6 0 6.5 4.6 14.4 17.3 12.1C436.2 457.8 504 362.9 504 252 504 113.3 391.5 8 252.8 8M105.2 352.9c-1.3 1-1 3.3.7 5.2 1.6 1.6 3.9 2.3 5.2 1 1.3-1 1-3.3-.7-5.2-1.6-1.6-3.9-2.3-5.2-1m-10.8-8.1c-.7 1.3.3 2.9 2.3 3.9 1.6 1 3.6.7 4.3-.7.7-1.3-.3-2.9-2.3-3.9-2-.6-3.6-.3-4.3.7m32.4 35.6c-1.6 1.3-1 4.3 1.3 6.2 2.3 2.3 5.2 2.6 6.5 1 1.3-1.3.7-4.3-1.3-6.2-2.2-2.3-5.2-2.6-6.5-1m-11.4-14.7c-1.6 1-1.6 3.6 0 5.9s4.3 3.3 5.6 2.3c1.6-1.3 1.6-3.9 0-6.2-1.4-2.3-4-3.3-5.6-2"/></svg>
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</div>
<div class="md-source__repository">
krahets/hello-algo
</div>
</a>
</div>
</div>
</nav>
</header>
@@ -323,7 +285,7 @@
<label class="md-nav__title" for="__drawer">
<a href="../.." title="Hello Algo" class="md-nav__button md-logo" aria-label="Hello Algo" data-md-component="logo">
<img src="../../assets/images/logo.svg" alt="logo">
<img src="../../assets/images/logo.svg" alt="Hello Algo">
</a>
Hello Algo
@@ -333,7 +295,7 @@
<a href="https://github.com/krahets/hello-algo" title="Перейти к репозиторию" class="md-source" data-md-component="source">
<div class="md-source__icon md-icon">
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krahets/hello-algo
@@ -1558,7 +1520,7 @@
<span class="md-nav__icon md-icon"></span>
</label>
<a href="./" class="md-nav__link md-nav__link--active">
<a href="././" class="md-nav__link md-nav__link--active">
@@ -1577,6 +1539,7 @@
<nav class="md-nav md-nav--secondary" aria-label="Содержание">
@@ -1610,7 +1573,7 @@
</span>
</a>
<nav class="md-nav" aria-label="5.3.2   Реализация двусторонней очереди *">
<nav class="md-nav" aria-label="5.3.2 Реализация двусторонней очереди *">
<ul class="md-nav__list">
<li class="md-nav__item">
@@ -4355,6 +4318,7 @@
<div class="md-sidebar__inner">
<nav class="md-nav md-nav--secondary" aria-label="Содержание">
@@ -4388,7 +4352,7 @@
</span>
</a>
<nav class="md-nav" aria-label="5.3.2   Реализация двусторонней очереди *">
<nav class="md-nav" aria-label="5.3.2 Реализация двусторонней очереди *">
<ul class="md-nav__list">
<li class="md-nav__item">
@@ -4457,7 +4421,7 @@
class="md-content__button md-icon"
>
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@@ -4468,7 +4432,7 @@
<!-- Page content -->
<h1 id="53">5.3 &nbsp; Двусторонняя очередь<a class="headerlink" href="#53" title="Permanent link">&para;</a></h1>
<p>В очереди мы можем удалять элементы только из головы или добавлять их только в хвост. Как показано на рисунке 5-7, <u>двусторонняя очередь (double-ended queue)</u> обеспечивает более высокую гибкость и позволяет выполнять добавление и удаление элементов как с головы, так и с хвоста.</p>
<p><a class="glightbox" href="../deque.assets/deque_operations.png" data-type="image" data-width="100%" data-height="auto" data-desc-position="bottom"><img alt="Операции двусторонней очереди" class="animation-figure" src="../deque.assets/deque_operations.png" /></a></p>
<p><img alt="Операции двусторонней очереди" class="animation-figure" src="../deque.assets/deque_operations.png" /></p>
<p align="center"> Рисунок 5-7 &nbsp; Операции двусторонней очереди </p>
<h2 id="531">5.3.1 &nbsp; Основные операции с двусторонней очередью<a class="headerlink" href="#531" title="Permanent link">&para;</a></h2>
@@ -4872,19 +4836,19 @@
<div class="tabbed-set tabbed-alternate" data-tabs="2:5"><input checked="checked" id="__tabbed_2_1" name="__tabbed_2" type="radio" /><input id="__tabbed_2_2" name="__tabbed_2" type="radio" /><input id="__tabbed_2_3" name="__tabbed_2" type="radio" /><input id="__tabbed_2_4" name="__tabbed_2" type="radio" /><input id="__tabbed_2_5" name="__tabbed_2" type="radio" /><div class="tabbed-labels"><label for="__tabbed_2_1">LinkedListDeque</label><label for="__tabbed_2_2">push_last()</label><label for="__tabbed_2_3">push_first()</label><label for="__tabbed_2_4">pop_last()</label><label for="__tabbed_2_5">pop_first()</label></div>
<div class="tabbed-content">
<div class="tabbed-block">
<p><a class="glightbox" href="../deque.assets/linkedlist_deque_step1.png" data-type="image" data-width="100%" data-height="auto" data-desc-position="bottom"><img alt="Операции enqueue и dequeue для двусторонней очереди на связном списке" class="animation-figure" src="../deque.assets/linkedlist_deque_step1.png" /></a></p>
<p><img alt="Операции enqueue и dequeue для двусторонней очереди на связном списке" class="animation-figure" src="../deque.assets/linkedlist_deque_step1.png" /></p>
</div>
<div class="tabbed-block">
<p><a class="glightbox" href="../deque.assets/linkedlist_deque_step2_push_last.png" data-type="image" data-width="100%" data-height="auto" data-desc-position="bottom"><img alt="linkedlist_deque_push_last" class="animation-figure" src="../deque.assets/linkedlist_deque_step2_push_last.png" /></a></p>
<p><img alt="linkedlist_deque_push_last" class="animation-figure" src="../deque.assets/linkedlist_deque_step2_push_last.png" /></p>
</div>
<div class="tabbed-block">
<p><a class="glightbox" href="../deque.assets/linkedlist_deque_step3_push_first.png" data-type="image" data-width="100%" data-height="auto" data-desc-position="bottom"><img alt="linkedlist_deque_push_first" class="animation-figure" src="../deque.assets/linkedlist_deque_step3_push_first.png" /></a></p>
<p><img alt="linkedlist_deque_push_first" class="animation-figure" src="../deque.assets/linkedlist_deque_step3_push_first.png" /></p>
</div>
<div class="tabbed-block">
<p><a class="glightbox" href="../deque.assets/linkedlist_deque_step4_pop_last.png" data-type="image" data-width="100%" data-height="auto" data-desc-position="bottom"><img alt="linkedlist_deque_pop_last" class="animation-figure" src="../deque.assets/linkedlist_deque_step4_pop_last.png" /></a></p>
<p><img alt="linkedlist_deque_pop_last" class="animation-figure" src="../deque.assets/linkedlist_deque_step4_pop_last.png" /></p>
</div>
<div class="tabbed-block">
<p><a class="glightbox" href="../deque.assets/linkedlist_deque_step5_pop_first.png" data-type="image" data-width="100%" data-height="auto" data-desc-position="bottom"><img alt="linkedlist_deque_pop_first" class="animation-figure" src="../deque.assets/linkedlist_deque_step5_pop_first.png" /></a></p>
<p><img alt="linkedlist_deque_pop_first" class="animation-figure" src="../deque.assets/linkedlist_deque_step5_pop_first.png" /></p>
</div>
</div>
</div>
@@ -6470,144 +6434,126 @@
<a id="__codelineno-25-10" name="__codelineno-25-10" href="#__codelineno-25-10"></a><span class="w"> </span><span class="kp">attr_accessor</span><span class="w"> </span><span class="ss">:next</span><span class="w"> </span><span class="c1"># Ссылка на узел-преемник</span>
<a id="__codelineno-25-11" name="__codelineno-25-11" href="#__codelineno-25-11"></a><span class="w"> </span><span class="kp">attr_accessor</span><span class="w"> </span><span class="ss">:prev</span><span class="w"> </span><span class="c1"># Ссылка на узел-предшественник</span>
<a id="__codelineno-25-12" name="__codelineno-25-12" href="#__codelineno-25-12"></a>
<a id="__codelineno-25-13" name="__codelineno-25-13" href="#__codelineno-25-13"></a><span class="w"> </span><span class="c1"># ## Конструктор ###</span>
<a id="__codelineno-25-13" name="__codelineno-25-13" href="#__codelineno-25-13"></a><span class="w"> </span><span class="c1">### Конструктор ###</span>
<a id="__codelineno-25-14" name="__codelineno-25-14" href="#__codelineno-25-14"></a><span class="w"> </span><span class="k">def</span><span class="w"> </span><span class="nf">initialize</span><span class="p">(</span><span class="n">val</span><span class="p">)</span>
<a id="__codelineno-25-15" name="__codelineno-25-15" href="#__codelineno-25-15"></a><span class="w"> </span><span class="vi">@val</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="n">val</span>
<a id="__codelineno-25-16" name="__codelineno-25-16" href="#__codelineno-25-16"></a><span class="w"> </span><span class="k">end</span>
<a id="__codelineno-25-17" name="__codelineno-25-17" href="#__codelineno-25-17"></a><span class="k">end</span>
<a id="__codelineno-25-18" name="__codelineno-25-18" href="#__codelineno-25-18"></a>
<a id="__codelineno-25-19" name="__codelineno-25-19" href="#__codelineno-25-19"></a><span class="cm">=begin</span>
<a id="__codelineno-25-20" name="__codelineno-25-20" href="#__codelineno-25-20"></a><span class="cm">File: linkedlist_deque.rb</span>
<a id="__codelineno-25-21" name="__codelineno-25-21" href="#__codelineno-25-21"></a><span class="cm">Created Time: 2024-04-06</span>
<a id="__codelineno-25-22" name="__codelineno-25-22" href="#__codelineno-25-22"></a><span class="cm">Author: Xuan Khoa Tu Nguyen (ngxktuzkai2000@gmail.com)</span>
<a id="__codelineno-25-23" name="__codelineno-25-23" href="#__codelineno-25-23"></a><span class="cm">=end</span>
<a id="__codelineno-25-24" name="__codelineno-25-24" href="#__codelineno-25-24"></a>
<a id="__codelineno-25-25" name="__codelineno-25-25" href="#__codelineno-25-25"></a><span class="c1"># ## Узел двусвязного списка</span>
<a id="__codelineno-25-26" name="__codelineno-25-26" href="#__codelineno-25-26"></a><span class="k">class</span><span class="w"> </span><span class="nc">ListNode</span>
<a id="__codelineno-25-27" name="__codelineno-25-27" href="#__codelineno-25-27"></a><span class="w"> </span><span class="kp">attr_accessor</span><span class="w"> </span><span class="ss">:val</span>
<a id="__codelineno-25-28" name="__codelineno-25-28" href="#__codelineno-25-28"></a><span class="w"> </span><span class="kp">attr_accessor</span><span class="w"> </span><span class="ss">:next</span><span class="w"> </span><span class="c1"># Ссылка на узел-преемник</span>
<a id="__codelineno-25-29" name="__codelineno-25-29" href="#__codelineno-25-29"></a><span class="w"> </span><span class="kp">attr_accessor</span><span class="w"> </span><span class="ss">:prev</span><span class="w"> </span><span class="c1"># Ссылка на узел-предшественник</span>
<a id="__codelineno-25-19" name="__codelineno-25-19" href="#__codelineno-25-19"></a><span class="c1">### Двусторонняя очередь на основе двусвязного списка ###</span>
<a id="__codelineno-25-20" name="__codelineno-25-20" href="#__codelineno-25-20"></a><span class="k">class</span><span class="w"> </span><span class="nc">LinkedListDeque</span>
<a id="__codelineno-25-21" name="__codelineno-25-21" href="#__codelineno-25-21"></a><span class="w"> </span><span class="c1">### Получение длины двусторонней очереди ###</span>
<a id="__codelineno-25-22" name="__codelineno-25-22" href="#__codelineno-25-22"></a><span class="w"> </span><span class="kp">attr_reader</span><span class="w"> </span><span class="ss">:size</span>
<a id="__codelineno-25-23" name="__codelineno-25-23" href="#__codelineno-25-23"></a>
<a id="__codelineno-25-24" name="__codelineno-25-24" href="#__codelineno-25-24"></a><span class="w"> </span><span class="c1">### Конструктор ###</span>
<a id="__codelineno-25-25" name="__codelineno-25-25" href="#__codelineno-25-25"></a><span class="w"> </span><span class="k">def</span><span class="w"> </span><span class="nf">initialize</span>
<a id="__codelineno-25-26" name="__codelineno-25-26" href="#__codelineno-25-26"></a><span class="w"> </span><span class="vi">@front</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="kp">nil</span><span class="w"> </span><span class="c1"># Головной узел front</span>
<a id="__codelineno-25-27" name="__codelineno-25-27" href="#__codelineno-25-27"></a><span class="w"> </span><span class="vi">@rear</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="kp">nil</span><span class="w"> </span><span class="c1"># Хвостовой узел rear</span>
<a id="__codelineno-25-28" name="__codelineno-25-28" href="#__codelineno-25-28"></a><span class="w"> </span><span class="vi">@size</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="mi">0</span><span class="w"> </span><span class="c1"># Длина двусторонней очереди</span>
<a id="__codelineno-25-29" name="__codelineno-25-29" href="#__codelineno-25-29"></a><span class="w"> </span><span class="k">end</span>
<a id="__codelineno-25-30" name="__codelineno-25-30" href="#__codelineno-25-30"></a>
<a id="__codelineno-25-31" name="__codelineno-25-31" href="#__codelineno-25-31"></a><span class="w"> </span><span class="c1"># ## Конструктор ###</span>
<a id="__codelineno-25-32" name="__codelineno-25-32" href="#__codelineno-25-32"></a><span class="w"> </span><span class="k">def</span><span class="w"> </span><span class="nf">initialize</span><span class="p">(</span><span class="n">val</span><span class="p">)</span>
<a id="__codelineno-25-33" name="__codelineno-25-33" href="#__codelineno-25-33"></a><span class="w"> </span><span class="vi">@val</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="n">val</span>
<a id="__codelineno-25-31" name="__codelineno-25-31" href="#__codelineno-25-31"></a><span class="w"> </span><span class="c1">### Проверка, пуста ли двусторонняя очередь ###</span>
<a id="__codelineno-25-32" name="__codelineno-25-32" href="#__codelineno-25-32"></a><span class="w"> </span><span class="k">def</span><span class="w"> </span><span class="nf">is_empty?</span>
<a id="__codelineno-25-33" name="__codelineno-25-33" href="#__codelineno-25-33"></a><span class="w"> </span><span class="n">size</span><span class="o">.</span><span class="n">zero?</span>
<a id="__codelineno-25-34" name="__codelineno-25-34" href="#__codelineno-25-34"></a><span class="w"> </span><span class="k">end</span>
<a id="__codelineno-25-35" name="__codelineno-25-35" href="#__codelineno-25-35"></a><span class="k">end</span>
<a id="__codelineno-25-36" name="__codelineno-25-36" href="#__codelineno-25-36"></a>
<a id="__codelineno-25-37" name="__codelineno-25-37" href="#__codelineno-25-37"></a><span class="c1"># ## Двусторонняя очередь на основе двусвязного списка ###</span>
<a id="__codelineno-25-38" name="__codelineno-25-38" href="#__codelineno-25-38"></a><span class="k">class</span><span class="w"> </span><span class="nc">LinkedListDeque</span>
<a id="__codelineno-25-39" name="__codelineno-25-39" href="#__codelineno-25-39"></a><span class="w"> </span><span class="c1"># ## Получение длины двусторонней очереди ###</span>
<a id="__codelineno-25-40" name="__codelineno-25-40" href="#__codelineno-25-40"></a><span class="w"> </span><span class="kp">attr_reader</span><span class="w"> </span><span class="ss">:size</span>
<a id="__codelineno-25-41" name="__codelineno-25-41" href="#__codelineno-25-41"></a>
<a id="__codelineno-25-42" name="__codelineno-25-42" href="#__codelineno-25-42"></a><span class="w"> </span><span class="c1"># ## Конструктор ###</span>
<a id="__codelineno-25-43" name="__codelineno-25-43" href="#__codelineno-25-43"></a><span class="w"> </span><span class="k">def</span><span class="w"> </span><span class="nf">initialize</span>
<a id="__codelineno-25-44" name="__codelineno-25-44" href="#__codelineno-25-44"></a><span class="w"> </span><span class="vi">@front</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="kp">nil</span><span class="w"> </span><span class="c1"># Головной узел front</span>
<a id="__codelineno-25-45" name="__codelineno-25-45" href="#__codelineno-25-45"></a><span class="w"> </span><span class="vi">@rear</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="kp">nil</span><span class="w"> </span><span class="c1"># Хвостовой узел rear</span>
<a id="__codelineno-25-46" name="__codelineno-25-46" href="#__codelineno-25-46"></a><span class="w"> </span><span class="vi">@size</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="mi">0</span><span class="w"> </span><span class="c1"># Длина двусторонней очереди</span>
<a id="__codelineno-25-47" name="__codelineno-25-47" href="#__codelineno-25-47"></a><span class="w"> </span><span class="k">end</span>
<a id="__codelineno-25-48" name="__codelineno-25-48" href="#__codelineno-25-48"></a>
<a id="__codelineno-25-49" name="__codelineno-25-49" href="#__codelineno-25-49"></a><span class="w"> </span><span class="c1"># ## Проверка, пуста ли двусторонняя очередь ###</span>
<a id="__codelineno-25-50" name="__codelineno-25-50" href="#__codelineno-25-50"></a><span class="w"> </span><span class="k">def</span><span class="w"> </span><span class="nf">is_empty?</span>
<a id="__codelineno-25-51" name="__codelineno-25-51" href="#__codelineno-25-51"></a><span class="w"> </span><span class="n">size</span><span class="o">.</span><span class="n">zero?</span>
<a id="__codelineno-25-52" name="__codelineno-25-52" href="#__codelineno-25-52"></a><span class="w"> </span><span class="k">end</span>
<a id="__codelineno-25-53" name="__codelineno-25-53" href="#__codelineno-25-53"></a>
<a id="__codelineno-25-54" name="__codelineno-25-54" href="#__codelineno-25-54"></a><span class="w"> </span><span class="c1"># ## Операция добавления в очередь ###</span>
<a id="__codelineno-25-55" name="__codelineno-25-55" href="#__codelineno-25-55"></a><span class="w"> </span><span class="k">def</span><span class="w"> </span><span class="nf">push</span><span class="p">(</span><span class="n">num</span><span class="p">,</span><span class="w"> </span><span class="n">is_front</span><span class="p">)</span>
<a id="__codelineno-25-56" name="__codelineno-25-56" href="#__codelineno-25-56"></a><span class="w"> </span><span class="n">node</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="no">ListNode</span><span class="o">.</span><span class="n">new</span><span class="p">(</span><span class="n">num</span><span class="p">)</span>
<a id="__codelineno-25-57" name="__codelineno-25-57" href="#__codelineno-25-57"></a><span class="w"> </span><span class="c1"># Если связный список пуст, пусть front и rear оба указывают на node</span>
<a id="__codelineno-25-58" name="__codelineno-25-58" href="#__codelineno-25-58"></a><span class="w"> </span><span class="k">if</span><span class="w"> </span><span class="n">is_empty?</span>
<a id="__codelineno-25-59" name="__codelineno-25-59" href="#__codelineno-25-59"></a><span class="w"> </span><span class="vi">@front</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="vi">@rear</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="n">node</span>
<a id="__codelineno-25-60" name="__codelineno-25-60" href="#__codelineno-25-60"></a><span class="w"> </span><span class="c1"># Операция добавления в голову очереди</span>
<a id="__codelineno-25-61" name="__codelineno-25-61" href="#__codelineno-25-61"></a><span class="w"> </span><span class="k">elsif</span><span class="w"> </span><span class="n">is_front</span>
<a id="__codelineno-25-62" name="__codelineno-25-62" href="#__codelineno-25-62"></a><span class="w"> </span><span class="c1"># Добавить node в голову списка</span>
<a id="__codelineno-25-63" name="__codelineno-25-63" href="#__codelineno-25-63"></a><span class="w"> </span><span class="vi">@front</span><span class="o">.</span><span class="n">prev</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="n">node</span>
<a id="__codelineno-25-64" name="__codelineno-25-64" href="#__codelineno-25-64"></a><span class="w"> </span><span class="n">node</span><span class="o">.</span><span class="n">next</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="vi">@front</span>
<a id="__codelineno-25-65" name="__codelineno-25-65" href="#__codelineno-25-65"></a><span class="w"> </span><span class="vi">@front</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="n">node</span><span class="w"> </span><span class="c1"># Обновить головной узел</span>
<a id="__codelineno-25-66" name="__codelineno-25-66" href="#__codelineno-25-66"></a><span class="w"> </span><span class="c1"># Операция добавления в хвост очереди</span>
<a id="__codelineno-25-67" name="__codelineno-25-67" href="#__codelineno-25-67"></a><span class="w"> </span><span class="k">else</span>
<a id="__codelineno-25-68" name="__codelineno-25-68" href="#__codelineno-25-68"></a><span class="w"> </span><span class="c1"># Добавить node в хвост списка</span>
<a id="__codelineno-25-69" name="__codelineno-25-69" href="#__codelineno-25-69"></a><span class="w"> </span><span class="vi">@rear</span><span class="o">.</span><span class="n">next</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="n">node</span>
<a id="__codelineno-25-70" name="__codelineno-25-70" href="#__codelineno-25-70"></a><span class="w"> </span><span class="n">node</span><span class="o">.</span><span class="n">prev</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="vi">@rear</span>
<a id="__codelineno-25-71" name="__codelineno-25-71" href="#__codelineno-25-71"></a><span class="w"> </span><span class="vi">@rear</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="n">node</span><span class="w"> </span><span class="c1"># Обновить хвостовой узел</span>
<a id="__codelineno-25-72" name="__codelineno-25-72" href="#__codelineno-25-72"></a><span class="w"> </span><span class="k">end</span>
<a id="__codelineno-25-73" name="__codelineno-25-73" href="#__codelineno-25-73"></a><span class="w"> </span><span class="vi">@size</span><span class="w"> </span><span class="o">+=</span><span class="w"> </span><span class="mi">1</span><span class="w"> </span><span class="c1"># Обновить длину очереди</span>
<a id="__codelineno-25-74" name="__codelineno-25-74" href="#__codelineno-25-74"></a><span class="w"> </span><span class="k">end</span>
<a id="__codelineno-25-75" name="__codelineno-25-75" href="#__codelineno-25-75"></a>
<a id="__codelineno-25-76" name="__codelineno-25-76" href="#__codelineno-25-76"></a><span class="w"> </span><span class="c1"># ## Добавление в голову очереди ###</span>
<a id="__codelineno-25-77" name="__codelineno-25-77" href="#__codelineno-25-77"></a><span class="w"> </span><span class="k">def</span><span class="w"> </span><span class="nf">push_first</span><span class="p">(</span><span class="n">num</span><span class="p">)</span>
<a id="__codelineno-25-78" name="__codelineno-25-78" href="#__codelineno-25-78"></a><span class="w"> </span><span class="n">push</span><span class="p">(</span><span class="n">num</span><span class="p">,</span><span class="w"> </span><span class="kp">true</span><span class="p">)</span>
<a id="__codelineno-25-79" name="__codelineno-25-79" href="#__codelineno-25-79"></a><span class="w"> </span><span class="k">end</span>
<a id="__codelineno-25-80" name="__codelineno-25-80" href="#__codelineno-25-80"></a>
<a id="__codelineno-25-81" name="__codelineno-25-81" href="#__codelineno-25-81"></a><span class="w"> </span><span class="c1"># ## Добавление в хвост очереди ###</span>
<a id="__codelineno-25-82" name="__codelineno-25-82" href="#__codelineno-25-82"></a><span class="w"> </span><span class="k">def</span><span class="w"> </span><span class="nf">push_last</span><span class="p">(</span><span class="n">num</span><span class="p">)</span>
<a id="__codelineno-25-83" name="__codelineno-25-83" href="#__codelineno-25-83"></a><span class="w"> </span><span class="n">push</span><span class="p">(</span><span class="n">num</span><span class="p">,</span><span class="w"> </span><span class="kp">false</span><span class="p">)</span>
<a id="__codelineno-25-84" name="__codelineno-25-84" href="#__codelineno-25-84"></a><span class="w"> </span><span class="k">end</span>
<a id="__codelineno-25-85" name="__codelineno-25-85" href="#__codelineno-25-85"></a>
<a id="__codelineno-25-86" name="__codelineno-25-86" href="#__codelineno-25-86"></a><span class="w"> </span><span class="c1"># ## Операция извлечения из очереди ###</span>
<a id="__codelineno-25-87" name="__codelineno-25-87" href="#__codelineno-25-87"></a><span class="w"> </span><span class="k">def</span><span class="w"> </span><span class="nf">pop</span><span class="p">(</span><span class="n">is_front</span><span class="p">)</span>
<a id="__codelineno-25-88" name="__codelineno-25-88" href="#__codelineno-25-88"></a><span class="w"> </span><span class="k">raise</span><span class="w"> </span><span class="no">IndexError</span><span class="p">,</span><span class="w"> </span><span class="s1">&#39;двусторонняя очередь пуста&#39;</span><span class="w"> </span><span class="k">if</span><span class="w"> </span><span class="n">is_empty?</span>
<a id="__codelineno-25-89" name="__codelineno-25-89" href="#__codelineno-25-89"></a>
<a id="__codelineno-25-90" name="__codelineno-25-90" href="#__codelineno-25-90"></a><span class="w"> </span><span class="c1"># Операция извлечения из головы очереди</span>
<a id="__codelineno-25-91" name="__codelineno-25-91" href="#__codelineno-25-91"></a><span class="w"> </span><span class="k">if</span><span class="w"> </span><span class="n">is_front</span>
<a id="__codelineno-25-92" name="__codelineno-25-92" href="#__codelineno-25-92"></a><span class="w"> </span><span class="n">val</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="vi">@front</span><span class="o">.</span><span class="n">val</span><span class="w"> </span><span class="c1"># Временно сохранить значение головного узла</span>
<a id="__codelineno-25-93" name="__codelineno-25-93" href="#__codelineno-25-93"></a><span class="w"> </span><span class="c1"># Удалить головной узел</span>
<a id="__codelineno-25-94" name="__codelineno-25-94" href="#__codelineno-25-94"></a><span class="w"> </span><span class="n">fnext</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="vi">@front</span><span class="o">.</span><span class="n">next</span>
<a id="__codelineno-25-95" name="__codelineno-25-95" href="#__codelineno-25-95"></a><span class="w"> </span><span class="k">unless</span><span class="w"> </span><span class="n">fnext</span><span class="o">.</span><span class="n">nil?</span>
<a id="__codelineno-25-96" name="__codelineno-25-96" href="#__codelineno-25-96"></a><span class="w"> </span><span class="n">fnext</span><span class="o">.</span><span class="n">prev</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="kp">nil</span>
<a id="__codelineno-25-97" name="__codelineno-25-97" href="#__codelineno-25-97"></a><span class="w"> </span><span class="vi">@front</span><span class="o">.</span><span class="n">next</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="kp">nil</span>
<a id="__codelineno-25-98" name="__codelineno-25-98" href="#__codelineno-25-98"></a><span class="w"> </span><span class="k">end</span>
<a id="__codelineno-25-99" name="__codelineno-25-99" href="#__codelineno-25-99"></a><span class="w"> </span><span class="vi">@front</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="n">fnext</span><span class="w"> </span><span class="c1"># Обновить головной узел</span>
<a id="__codelineno-25-100" name="__codelineno-25-100" href="#__codelineno-25-100"></a><span class="w"> </span><span class="c1"># Операция извлечения из хвоста очереди</span>
<a id="__codelineno-25-101" name="__codelineno-25-101" href="#__codelineno-25-101"></a><span class="w"> </span><span class="k">else</span>
<a id="__codelineno-25-102" name="__codelineno-25-102" href="#__codelineno-25-102"></a><span class="w"> </span><span class="n">val</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="vi">@rear</span><span class="o">.</span><span class="n">val</span><span class="w"> </span><span class="c1"># Временно сохранить значение хвостового узла</span>
<a id="__codelineno-25-103" name="__codelineno-25-103" href="#__codelineno-25-103"></a><span class="w"> </span><span class="c1"># Удалить хвостовой узел</span>
<a id="__codelineno-25-104" name="__codelineno-25-104" href="#__codelineno-25-104"></a><span class="w"> </span><span class="n">rprev</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="vi">@rear</span><span class="o">.</span><span class="n">prev</span>
<a id="__codelineno-25-105" name="__codelineno-25-105" href="#__codelineno-25-105"></a><span class="w"> </span><span class="k">unless</span><span class="w"> </span><span class="n">rprev</span><span class="o">.</span><span class="n">nil?</span>
<a id="__codelineno-25-106" name="__codelineno-25-106" href="#__codelineno-25-106"></a><span class="w"> </span><span class="n">rprev</span><span class="o">.</span><span class="n">next</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="kp">nil</span>
<a id="__codelineno-25-107" name="__codelineno-25-107" href="#__codelineno-25-107"></a><span class="w"> </span><span class="vi">@rear</span><span class="o">.</span><span class="n">prev</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="kp">nil</span>
<a id="__codelineno-25-108" name="__codelineno-25-108" href="#__codelineno-25-108"></a><span class="w"> </span><span class="k">end</span>
<a id="__codelineno-25-109" name="__codelineno-25-109" href="#__codelineno-25-109"></a><span class="w"> </span><span class="vi">@rear</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="n">rprev</span><span class="w"> </span><span class="c1"># Обновить хвостовой узел</span>
<a id="__codelineno-25-110" name="__codelineno-25-110" href="#__codelineno-25-110"></a><span class="w"> </span><span class="k">end</span>
<a id="__codelineno-25-111" name="__codelineno-25-111" href="#__codelineno-25-111"></a><span class="w"> </span><span class="vi">@size</span><span class="w"> </span><span class="o">-=</span><span class="w"> </span><span class="mi">1</span><span class="w"> </span><span class="c1"># Обновить длину очереди</span>
<a id="__codelineno-25-112" name="__codelineno-25-112" href="#__codelineno-25-112"></a>
<a id="__codelineno-25-113" name="__codelineno-25-113" href="#__codelineno-25-113"></a><span class="w"> </span><span class="n">val</span>
<a id="__codelineno-25-114" name="__codelineno-25-114" href="#__codelineno-25-114"></a><span class="w"> </span><span class="k">end</span>
<a id="__codelineno-25-115" name="__codelineno-25-115" href="#__codelineno-25-115"></a>
<a id="__codelineno-25-116" name="__codelineno-25-116" href="#__codelineno-25-116"></a><span class="w"> </span><span class="c1"># ## Извлечение из головы очереди ###</span>
<a id="__codelineno-25-117" name="__codelineno-25-117" href="#__codelineno-25-117"></a><span class="w"> </span><span class="k">def</span><span class="w"> </span><span class="nf">pop_first</span>
<a id="__codelineno-25-118" name="__codelineno-25-118" href="#__codelineno-25-118"></a><span class="w"> </span><span class="n">pop</span><span class="p">(</span><span class="kp">true</span><span class="p">)</span>
<a id="__codelineno-25-119" name="__codelineno-25-119" href="#__codelineno-25-119"></a><span class="w"> </span><span class="k">end</span>
<a id="__codelineno-25-120" name="__codelineno-25-120" href="#__codelineno-25-120"></a>
<a id="__codelineno-25-121" name="__codelineno-25-121" href="#__codelineno-25-121"></a><span class="w"> </span><span class="c1"># ## Извлечение из головы очереди ###</span>
<a id="__codelineno-25-122" name="__codelineno-25-122" href="#__codelineno-25-122"></a><span class="w"> </span><span class="k">def</span><span class="w"> </span><span class="nf">pop_last</span>
<a id="__codelineno-25-123" name="__codelineno-25-123" href="#__codelineno-25-123"></a><span class="w"> </span><span class="n">pop</span><span class="p">(</span><span class="kp">false</span><span class="p">)</span>
<a id="__codelineno-25-124" name="__codelineno-25-124" href="#__codelineno-25-124"></a><span class="w"> </span><span class="k">end</span>
<a id="__codelineno-25-125" name="__codelineno-25-125" href="#__codelineno-25-125"></a>
<a id="__codelineno-25-126" name="__codelineno-25-126" href="#__codelineno-25-126"></a><span class="w"> </span><span class="c1"># ## Доступ к элементу в начале очереди ###</span>
<a id="__codelineno-25-127" name="__codelineno-25-127" href="#__codelineno-25-127"></a><span class="w"> </span><span class="k">def</span><span class="w"> </span><span class="nf">peek_first</span>
<a id="__codelineno-25-128" name="__codelineno-25-128" href="#__codelineno-25-128"></a><span class="w"> </span><span class="k">raise</span><span class="w"> </span><span class="no">IndexError</span><span class="p">,</span><span class="w"> </span><span class="s1">&#39;двусторонняя очередь пуста&#39;</span><span class="w"> </span><span class="k">if</span><span class="w"> </span><span class="n">is_empty?</span>
<a id="__codelineno-25-129" name="__codelineno-25-129" href="#__codelineno-25-129"></a>
<a id="__codelineno-25-130" name="__codelineno-25-130" href="#__codelineno-25-130"></a><span class="w"> </span><span class="vi">@front</span><span class="o">.</span><span class="n">val</span>
<a id="__codelineno-25-35" name="__codelineno-25-35" href="#__codelineno-25-35"></a>
<a id="__codelineno-25-36" name="__codelineno-25-36" href="#__codelineno-25-36"></a><span class="w"> </span><span class="c1">### Операция добавления в очередь ###</span>
<a id="__codelineno-25-37" name="__codelineno-25-37" href="#__codelineno-25-37"></a><span class="w"> </span><span class="k">def</span><span class="w"> </span><span class="nf">push</span><span class="p">(</span><span class="n">num</span><span class="p">,</span><span class="w"> </span><span class="n">is_front</span><span class="p">)</span>
<a id="__codelineno-25-38" name="__codelineno-25-38" href="#__codelineno-25-38"></a><span class="w"> </span><span class="n">node</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="no">ListNode</span><span class="o">.</span><span class="n">new</span><span class="p">(</span><span class="n">num</span><span class="p">)</span>
<a id="__codelineno-25-39" name="__codelineno-25-39" href="#__codelineno-25-39"></a><span class="w"> </span><span class="c1"># Если связный список пуст, пусть front и rear оба указывают на node</span>
<a id="__codelineno-25-40" name="__codelineno-25-40" href="#__codelineno-25-40"></a><span class="w"> </span><span class="k">if</span><span class="w"> </span><span class="n">is_empty?</span>
<a id="__codelineno-25-41" name="__codelineno-25-41" href="#__codelineno-25-41"></a><span class="w"> </span><span class="vi">@front</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="vi">@rear</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="n">node</span>
<a id="__codelineno-25-42" name="__codelineno-25-42" href="#__codelineno-25-42"></a><span class="w"> </span><span class="c1"># Операция добавления в голову очереди</span>
<a id="__codelineno-25-43" name="__codelineno-25-43" href="#__codelineno-25-43"></a><span class="w"> </span><span class="k">elsif</span><span class="w"> </span><span class="n">is_front</span>
<a id="__codelineno-25-44" name="__codelineno-25-44" href="#__codelineno-25-44"></a><span class="w"> </span><span class="c1"># Добавить node в голову списка</span>
<a id="__codelineno-25-45" name="__codelineno-25-45" href="#__codelineno-25-45"></a><span class="w"> </span><span class="vi">@front</span><span class="o">.</span><span class="n">prev</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="n">node</span>
<a id="__codelineno-25-46" name="__codelineno-25-46" href="#__codelineno-25-46"></a><span class="w"> </span><span class="n">node</span><span class="o">.</span><span class="n">next</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="vi">@front</span>
<a id="__codelineno-25-47" name="__codelineno-25-47" href="#__codelineno-25-47"></a><span class="w"> </span><span class="vi">@front</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="n">node</span><span class="w"> </span><span class="c1"># Обновить головной узел</span>
<a id="__codelineno-25-48" name="__codelineno-25-48" href="#__codelineno-25-48"></a><span class="w"> </span><span class="c1"># Операция добавления в хвост очереди</span>
<a id="__codelineno-25-49" name="__codelineno-25-49" href="#__codelineno-25-49"></a><span class="w"> </span><span class="k">else</span>
<a id="__codelineno-25-50" name="__codelineno-25-50" href="#__codelineno-25-50"></a><span class="w"> </span><span class="c1"># Добавить node в хвост списка</span>
<a id="__codelineno-25-51" name="__codelineno-25-51" href="#__codelineno-25-51"></a><span class="w"> </span><span class="vi">@rear</span><span class="o">.</span><span class="n">next</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="n">node</span>
<a id="__codelineno-25-52" name="__codelineno-25-52" href="#__codelineno-25-52"></a><span class="w"> </span><span class="n">node</span><span class="o">.</span><span class="n">prev</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="vi">@rear</span>
<a id="__codelineno-25-53" name="__codelineno-25-53" href="#__codelineno-25-53"></a><span class="w"> </span><span class="vi">@rear</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="n">node</span><span class="w"> </span><span class="c1"># Обновить хвостовой узел</span>
<a id="__codelineno-25-54" name="__codelineno-25-54" href="#__codelineno-25-54"></a><span class="w"> </span><span class="k">end</span>
<a id="__codelineno-25-55" name="__codelineno-25-55" href="#__codelineno-25-55"></a><span class="w"> </span><span class="vi">@size</span><span class="w"> </span><span class="o">+=</span><span class="w"> </span><span class="mi">1</span><span class="w"> </span><span class="c1"># Обновить длину очереди</span>
<a id="__codelineno-25-56" name="__codelineno-25-56" href="#__codelineno-25-56"></a><span class="w"> </span><span class="k">end</span>
<a id="__codelineno-25-57" name="__codelineno-25-57" href="#__codelineno-25-57"></a>
<a id="__codelineno-25-58" name="__codelineno-25-58" href="#__codelineno-25-58"></a><span class="w"> </span><span class="c1">### Добавление в голову очереди ###</span>
<a id="__codelineno-25-59" name="__codelineno-25-59" href="#__codelineno-25-59"></a><span class="w"> </span><span class="k">def</span><span class="w"> </span><span class="nf">push_first</span><span class="p">(</span><span class="n">num</span><span class="p">)</span>
<a id="__codelineno-25-60" name="__codelineno-25-60" href="#__codelineno-25-60"></a><span class="w"> </span><span class="n">push</span><span class="p">(</span><span class="n">num</span><span class="p">,</span><span class="w"> </span><span class="kp">true</span><span class="p">)</span>
<a id="__codelineno-25-61" name="__codelineno-25-61" href="#__codelineno-25-61"></a><span class="w"> </span><span class="k">end</span>
<a id="__codelineno-25-62" name="__codelineno-25-62" href="#__codelineno-25-62"></a>
<a id="__codelineno-25-63" name="__codelineno-25-63" href="#__codelineno-25-63"></a><span class="w"> </span><span class="c1">### Добавление в хвост очереди ###</span>
<a id="__codelineno-25-64" name="__codelineno-25-64" href="#__codelineno-25-64"></a><span class="w"> </span><span class="k">def</span><span class="w"> </span><span class="nf">push_last</span><span class="p">(</span><span class="n">num</span><span class="p">)</span>
<a id="__codelineno-25-65" name="__codelineno-25-65" href="#__codelineno-25-65"></a><span class="w"> </span><span class="n">push</span><span class="p">(</span><span class="n">num</span><span class="p">,</span><span class="w"> </span><span class="kp">false</span><span class="p">)</span>
<a id="__codelineno-25-66" name="__codelineno-25-66" href="#__codelineno-25-66"></a><span class="w"> </span><span class="k">end</span>
<a id="__codelineno-25-67" name="__codelineno-25-67" href="#__codelineno-25-67"></a>
<a id="__codelineno-25-68" name="__codelineno-25-68" href="#__codelineno-25-68"></a><span class="w"> </span><span class="c1">### Операция извлечения из очереди ###</span>
<a id="__codelineno-25-69" name="__codelineno-25-69" href="#__codelineno-25-69"></a><span class="w"> </span><span class="k">def</span><span class="w"> </span><span class="nf">pop</span><span class="p">(</span><span class="n">is_front</span><span class="p">)</span>
<a id="__codelineno-25-70" name="__codelineno-25-70" href="#__codelineno-25-70"></a><span class="w"> </span><span class="k">raise</span><span class="w"> </span><span class="no">IndexError</span><span class="p">,</span><span class="w"> </span><span class="s1">&#39;двусторонняя очередь пуста&#39;</span><span class="w"> </span><span class="k">if</span><span class="w"> </span><span class="n">is_empty?</span>
<a id="__codelineno-25-71" name="__codelineno-25-71" href="#__codelineno-25-71"></a>
<a id="__codelineno-25-72" name="__codelineno-25-72" href="#__codelineno-25-72"></a><span class="w"> </span><span class="c1"># Операция извлечения из головы очереди</span>
<a id="__codelineno-25-73" name="__codelineno-25-73" href="#__codelineno-25-73"></a><span class="w"> </span><span class="k">if</span><span class="w"> </span><span class="n">is_front</span>
<a id="__codelineno-25-74" name="__codelineno-25-74" href="#__codelineno-25-74"></a><span class="w"> </span><span class="n">val</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="vi">@front</span><span class="o">.</span><span class="n">val</span><span class="w"> </span><span class="c1"># Временно сохранить значение головного узла</span>
<a id="__codelineno-25-75" name="__codelineno-25-75" href="#__codelineno-25-75"></a><span class="w"> </span><span class="c1"># Удалить головной узел</span>
<a id="__codelineno-25-76" name="__codelineno-25-76" href="#__codelineno-25-76"></a><span class="w"> </span><span class="n">fnext</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="vi">@front</span><span class="o">.</span><span class="n">next</span>
<a id="__codelineno-25-77" name="__codelineno-25-77" href="#__codelineno-25-77"></a><span class="w"> </span><span class="k">unless</span><span class="w"> </span><span class="n">fnext</span><span class="o">.</span><span class="n">nil?</span>
<a id="__codelineno-25-78" name="__codelineno-25-78" href="#__codelineno-25-78"></a><span class="w"> </span><span class="n">fnext</span><span class="o">.</span><span class="n">prev</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="kp">nil</span>
<a id="__codelineno-25-79" name="__codelineno-25-79" href="#__codelineno-25-79"></a><span class="w"> </span><span class="vi">@front</span><span class="o">.</span><span class="n">next</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="kp">nil</span>
<a id="__codelineno-25-80" name="__codelineno-25-80" href="#__codelineno-25-80"></a><span class="w"> </span><span class="k">end</span>
<a id="__codelineno-25-81" name="__codelineno-25-81" href="#__codelineno-25-81"></a><span class="w"> </span><span class="vi">@front</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="n">fnext</span><span class="w"> </span><span class="c1"># Обновить головной узел</span>
<a id="__codelineno-25-82" name="__codelineno-25-82" href="#__codelineno-25-82"></a><span class="w"> </span><span class="c1"># Операция извлечения из хвоста очереди</span>
<a id="__codelineno-25-83" name="__codelineno-25-83" href="#__codelineno-25-83"></a><span class="w"> </span><span class="k">else</span>
<a id="__codelineno-25-84" name="__codelineno-25-84" href="#__codelineno-25-84"></a><span class="w"> </span><span class="n">val</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="vi">@rear</span><span class="o">.</span><span class="n">val</span><span class="w"> </span><span class="c1"># Временно сохранить значение хвостового узла</span>
<a id="__codelineno-25-85" name="__codelineno-25-85" href="#__codelineno-25-85"></a><span class="w"> </span><span class="c1"># Удалить хвостовой узел</span>
<a id="__codelineno-25-86" name="__codelineno-25-86" href="#__codelineno-25-86"></a><span class="w"> </span><span class="n">rprev</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="vi">@rear</span><span class="o">.</span><span class="n">prev</span>
<a id="__codelineno-25-87" name="__codelineno-25-87" href="#__codelineno-25-87"></a><span class="w"> </span><span class="k">unless</span><span class="w"> </span><span class="n">rprev</span><span class="o">.</span><span class="n">nil?</span>
<a id="__codelineno-25-88" name="__codelineno-25-88" href="#__codelineno-25-88"></a><span class="w"> </span><span class="n">rprev</span><span class="o">.</span><span class="n">next</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="kp">nil</span>
<a id="__codelineno-25-89" name="__codelineno-25-89" href="#__codelineno-25-89"></a><span class="w"> </span><span class="vi">@rear</span><span class="o">.</span><span class="n">prev</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="kp">nil</span>
<a id="__codelineno-25-90" name="__codelineno-25-90" href="#__codelineno-25-90"></a><span class="w"> </span><span class="k">end</span>
<a id="__codelineno-25-91" name="__codelineno-25-91" href="#__codelineno-25-91"></a><span class="w"> </span><span class="vi">@rear</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="n">rprev</span><span class="w"> </span><span class="c1"># Обновить хвостовой узел</span>
<a id="__codelineno-25-92" name="__codelineno-25-92" href="#__codelineno-25-92"></a><span class="w"> </span><span class="k">end</span>
<a id="__codelineno-25-93" name="__codelineno-25-93" href="#__codelineno-25-93"></a><span class="w"> </span><span class="vi">@size</span><span class="w"> </span><span class="o">-=</span><span class="w"> </span><span class="mi">1</span><span class="w"> </span><span class="c1"># Обновить длину очереди</span>
<a id="__codelineno-25-94" name="__codelineno-25-94" href="#__codelineno-25-94"></a>
<a id="__codelineno-25-95" name="__codelineno-25-95" href="#__codelineno-25-95"></a><span class="w"> </span><span class="n">val</span>
<a id="__codelineno-25-96" name="__codelineno-25-96" href="#__codelineno-25-96"></a><span class="w"> </span><span class="k">end</span>
<a id="__codelineno-25-97" name="__codelineno-25-97" href="#__codelineno-25-97"></a>
<a id="__codelineno-25-98" name="__codelineno-25-98" href="#__codelineno-25-98"></a><span class="w"> </span><span class="c1">### Извлечение из головы очереди ###</span>
<a id="__codelineno-25-99" name="__codelineno-25-99" href="#__codelineno-25-99"></a><span class="w"> </span><span class="k">def</span><span class="w"> </span><span class="nf">pop_first</span>
<a id="__codelineno-25-100" name="__codelineno-25-100" href="#__codelineno-25-100"></a><span class="w"> </span><span class="n">pop</span><span class="p">(</span><span class="kp">true</span><span class="p">)</span>
<a id="__codelineno-25-101" name="__codelineno-25-101" href="#__codelineno-25-101"></a><span class="w"> </span><span class="k">end</span>
<a id="__codelineno-25-102" name="__codelineno-25-102" href="#__codelineno-25-102"></a>
<a id="__codelineno-25-103" name="__codelineno-25-103" href="#__codelineno-25-103"></a><span class="w"> </span><span class="c1">### Извлечение из головы очереди ###</span>
<a id="__codelineno-25-104" name="__codelineno-25-104" href="#__codelineno-25-104"></a><span class="w"> </span><span class="k">def</span><span class="w"> </span><span class="nf">pop_last</span>
<a id="__codelineno-25-105" name="__codelineno-25-105" href="#__codelineno-25-105"></a><span class="w"> </span><span class="n">pop</span><span class="p">(</span><span class="kp">false</span><span class="p">)</span>
<a id="__codelineno-25-106" name="__codelineno-25-106" href="#__codelineno-25-106"></a><span class="w"> </span><span class="k">end</span>
<a id="__codelineno-25-107" name="__codelineno-25-107" href="#__codelineno-25-107"></a>
<a id="__codelineno-25-108" name="__codelineno-25-108" href="#__codelineno-25-108"></a><span class="w"> </span><span class="c1">### Доступ к элементу в начале очереди ###</span>
<a id="__codelineno-25-109" name="__codelineno-25-109" href="#__codelineno-25-109"></a><span class="w"> </span><span class="k">def</span><span class="w"> </span><span class="nf">peek_first</span>
<a id="__codelineno-25-110" name="__codelineno-25-110" href="#__codelineno-25-110"></a><span class="w"> </span><span class="k">raise</span><span class="w"> </span><span class="no">IndexError</span><span class="p">,</span><span class="w"> </span><span class="s1">&#39;двусторонняя очередь пуста&#39;</span><span class="w"> </span><span class="k">if</span><span class="w"> </span><span class="n">is_empty?</span>
<a id="__codelineno-25-111" name="__codelineno-25-111" href="#__codelineno-25-111"></a>
<a id="__codelineno-25-112" name="__codelineno-25-112" href="#__codelineno-25-112"></a><span class="w"> </span><span class="vi">@front</span><span class="o">.</span><span class="n">val</span>
<a id="__codelineno-25-113" name="__codelineno-25-113" href="#__codelineno-25-113"></a><span class="w"> </span><span class="k">end</span>
<a id="__codelineno-25-114" name="__codelineno-25-114" href="#__codelineno-25-114"></a>
<a id="__codelineno-25-115" name="__codelineno-25-115" href="#__codelineno-25-115"></a><span class="w"> </span><span class="c1">### Доступ к элементу в хвосте очереди ###</span>
<a id="__codelineno-25-116" name="__codelineno-25-116" href="#__codelineno-25-116"></a><span class="w"> </span><span class="k">def</span><span class="w"> </span><span class="nf">peek_last</span>
<a id="__codelineno-25-117" name="__codelineno-25-117" href="#__codelineno-25-117"></a><span class="w"> </span><span class="k">raise</span><span class="w"> </span><span class="no">IndexError</span><span class="p">,</span><span class="w"> </span><span class="s1">&#39;двусторонняя очередь пуста&#39;</span><span class="w"> </span><span class="k">if</span><span class="w"> </span><span class="n">is_empty?</span>
<a id="__codelineno-25-118" name="__codelineno-25-118" href="#__codelineno-25-118"></a>
<a id="__codelineno-25-119" name="__codelineno-25-119" href="#__codelineno-25-119"></a><span class="w"> </span><span class="vi">@rear</span><span class="o">.</span><span class="n">val</span>
<a id="__codelineno-25-120" name="__codelineno-25-120" href="#__codelineno-25-120"></a><span class="w"> </span><span class="k">end</span>
<a id="__codelineno-25-121" name="__codelineno-25-121" href="#__codelineno-25-121"></a>
<a id="__codelineno-25-122" name="__codelineno-25-122" href="#__codelineno-25-122"></a><span class="w"> </span><span class="c1">### Вернуть массив для вывода ###</span>
<a id="__codelineno-25-123" name="__codelineno-25-123" href="#__codelineno-25-123"></a><span class="w"> </span><span class="k">def</span><span class="w"> </span><span class="nf">to_array</span>
<a id="__codelineno-25-124" name="__codelineno-25-124" href="#__codelineno-25-124"></a><span class="w"> </span><span class="n">node</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="vi">@front</span>
<a id="__codelineno-25-125" name="__codelineno-25-125" href="#__codelineno-25-125"></a><span class="w"> </span><span class="n">res</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="nb">Array</span><span class="o">.</span><span class="n">new</span><span class="p">(</span><span class="n">size</span><span class="p">,</span><span class="w"> </span><span class="mi">0</span><span class="p">)</span>
<a id="__codelineno-25-126" name="__codelineno-25-126" href="#__codelineno-25-126"></a><span class="w"> </span><span class="k">for</span><span class="w"> </span><span class="n">i</span><span class="w"> </span><span class="k">in</span><span class="w"> </span><span class="mi">0</span><span class="o">...</span><span class="n">size</span>
<a id="__codelineno-25-127" name="__codelineno-25-127" href="#__codelineno-25-127"></a><span class="w"> </span><span class="n">res</span><span class="o">[</span><span class="n">i</span><span class="o">]</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="n">node</span><span class="o">.</span><span class="n">val</span>
<a id="__codelineno-25-128" name="__codelineno-25-128" href="#__codelineno-25-128"></a><span class="w"> </span><span class="n">node</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="n">node</span><span class="o">.</span><span class="n">next</span>
<a id="__codelineno-25-129" name="__codelineno-25-129" href="#__codelineno-25-129"></a><span class="w"> </span><span class="k">end</span>
<a id="__codelineno-25-130" name="__codelineno-25-130" href="#__codelineno-25-130"></a><span class="w"> </span><span class="n">res</span>
<a id="__codelineno-25-131" name="__codelineno-25-131" href="#__codelineno-25-131"></a><span class="w"> </span><span class="k">end</span>
<a id="__codelineno-25-132" name="__codelineno-25-132" href="#__codelineno-25-132"></a>
<a id="__codelineno-25-133" name="__codelineno-25-133" href="#__codelineno-25-133"></a><span class="w"> </span><span class="c1"># ## Доступ к элементу в хвосте очереди ###</span>
<a id="__codelineno-25-134" name="__codelineno-25-134" href="#__codelineno-25-134"></a><span class="w"> </span><span class="k">def</span><span class="w"> </span><span class="nf">peek_last</span>
<a id="__codelineno-25-135" name="__codelineno-25-135" href="#__codelineno-25-135"></a><span class="w"> </span><span class="k">raise</span><span class="w"> </span><span class="no">IndexError</span><span class="p">,</span><span class="w"> </span><span class="s1">&#39;двусторонняя очередь пуста&#39;</span><span class="w"> </span><span class="k">if</span><span class="w"> </span><span class="n">is_empty?</span>
<a id="__codelineno-25-136" name="__codelineno-25-136" href="#__codelineno-25-136"></a>
<a id="__codelineno-25-137" name="__codelineno-25-137" href="#__codelineno-25-137"></a><span class="w"> </span><span class="vi">@rear</span><span class="o">.</span><span class="n">val</span>
<a id="__codelineno-25-138" name="__codelineno-25-138" href="#__codelineno-25-138"></a><span class="w"> </span><span class="k">end</span>
<a id="__codelineno-25-139" name="__codelineno-25-139" href="#__codelineno-25-139"></a>
<a id="__codelineno-25-140" name="__codelineno-25-140" href="#__codelineno-25-140"></a><span class="w"> </span><span class="c1"># ## Вернуть массив для вывода ###</span>
<a id="__codelineno-25-141" name="__codelineno-25-141" href="#__codelineno-25-141"></a><span class="w"> </span><span class="k">def</span><span class="w"> </span><span class="nf">to_array</span>
<a id="__codelineno-25-142" name="__codelineno-25-142" href="#__codelineno-25-142"></a><span class="w"> </span><span class="n">node</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="vi">@front</span>
<a id="__codelineno-25-143" name="__codelineno-25-143" href="#__codelineno-25-143"></a><span class="w"> </span><span class="n">res</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="nb">Array</span><span class="o">.</span><span class="n">new</span><span class="p">(</span><span class="n">size</span><span class="p">,</span><span class="w"> </span><span class="mi">0</span><span class="p">)</span>
<a id="__codelineno-25-144" name="__codelineno-25-144" href="#__codelineno-25-144"></a><span class="w"> </span><span class="k">for</span><span class="w"> </span><span class="n">i</span><span class="w"> </span><span class="k">in</span><span class="w"> </span><span class="mi">0</span><span class="o">...</span><span class="n">size</span>
<a id="__codelineno-25-145" name="__codelineno-25-145" href="#__codelineno-25-145"></a><span class="w"> </span><span class="n">res</span><span class="o">[</span><span class="n">i</span><span class="o">]</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="n">node</span><span class="o">.</span><span class="n">val</span>
<a id="__codelineno-25-146" name="__codelineno-25-146" href="#__codelineno-25-146"></a><span class="w"> </span><span class="n">node</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="n">node</span><span class="o">.</span><span class="n">next</span>
<a id="__codelineno-25-147" name="__codelineno-25-147" href="#__codelineno-25-147"></a><span class="w"> </span><span class="k">end</span>
<a id="__codelineno-25-148" name="__codelineno-25-148" href="#__codelineno-25-148"></a><span class="w"> </span><span class="n">res</span>
<a id="__codelineno-25-149" name="__codelineno-25-149" href="#__codelineno-25-149"></a><span class="w"> </span><span class="k">end</span>
<a id="__codelineno-25-150" name="__codelineno-25-150" href="#__codelineno-25-150"></a><span class="k">end</span>
<a id="__codelineno-25-132" name="__codelineno-25-132" href="#__codelineno-25-132"></a><span class="k">end</span>
</code></pre></div>
</div>
</div>
@@ -6617,19 +6563,19 @@
<div class="tabbed-set tabbed-alternate" data-tabs="4:5"><input checked="checked" id="__tabbed_4_1" name="__tabbed_4" type="radio" /><input id="__tabbed_4_2" name="__tabbed_4" type="radio" /><input id="__tabbed_4_3" name="__tabbed_4" type="radio" /><input id="__tabbed_4_4" name="__tabbed_4" type="radio" /><input id="__tabbed_4_5" name="__tabbed_4" type="radio" /><div class="tabbed-labels"><label for="__tabbed_4_1">ArrayDeque</label><label for="__tabbed_4_2">push_last()</label><label for="__tabbed_4_3">push_first()</label><label for="__tabbed_4_4">pop_last()</label><label for="__tabbed_4_5">pop_first()</label></div>
<div class="tabbed-content">
<div class="tabbed-block">
<p><a class="glightbox" href="../deque.assets/array_deque_step1.png" data-type="image" data-width="100%" data-height="auto" data-desc-position="bottom"><img alt="Операции enqueue и dequeue для двусторонней очереди на массиве" class="animation-figure" src="../deque.assets/array_deque_step1.png" /></a></p>
<p><img alt="Операции enqueue и dequeue для двусторонней очереди на массиве" class="animation-figure" src="../deque.assets/array_deque_step1.png" /></p>
</div>
<div class="tabbed-block">
<p><a class="glightbox" href="../deque.assets/array_deque_step2_push_last.png" data-type="image" data-width="100%" data-height="auto" data-desc-position="bottom"><img alt="array_deque_push_last" class="animation-figure" src="../deque.assets/array_deque_step2_push_last.png" /></a></p>
<p><img alt="array_deque_push_last" class="animation-figure" src="../deque.assets/array_deque_step2_push_last.png" /></p>
</div>
<div class="tabbed-block">
<p><a class="glightbox" href="../deque.assets/array_deque_step3_push_first.png" data-type="image" data-width="100%" data-height="auto" data-desc-position="bottom"><img alt="array_deque_push_first" class="animation-figure" src="../deque.assets/array_deque_step3_push_first.png" /></a></p>
<p><img alt="array_deque_push_first" class="animation-figure" src="../deque.assets/array_deque_step3_push_first.png" /></p>
</div>
<div class="tabbed-block">
<p><a class="glightbox" href="../deque.assets/array_deque_step4_pop_last.png" data-type="image" data-width="100%" data-height="auto" data-desc-position="bottom"><img alt="array_deque_pop_last" class="animation-figure" src="../deque.assets/array_deque_step4_pop_last.png" /></a></p>
<p><img alt="array_deque_pop_last" class="animation-figure" src="../deque.assets/array_deque_step4_pop_last.png" /></p>
</div>
<div class="tabbed-block">
<p><a class="glightbox" href="../deque.assets/array_deque_step5_pop_first.png" data-type="image" data-width="100%" data-height="auto" data-desc-position="bottom"><img alt="array_deque_pop_first" class="animation-figure" src="../deque.assets/array_deque_step5_pop_first.png" /></a></p>
<p><img alt="array_deque_pop_first" class="animation-figure" src="../deque.assets/array_deque_step5_pop_first.png" /></p>
</div>
</div>
</div>
@@ -7932,115 +7878,109 @@
</code></pre></div>
</div>
<div class="tabbed-block">
<div class="highlight"><span class="filename">array_deque.rb</span><pre><span></span><code><a id="__codelineno-38-1" name="__codelineno-38-1" href="#__codelineno-38-1"></a><span class="cm">=begin</span>
<a id="__codelineno-38-2" name="__codelineno-38-2" href="#__codelineno-38-2"></a><span class="cm">File: array_deque.rb</span>
<a id="__codelineno-38-3" name="__codelineno-38-3" href="#__codelineno-38-3"></a><span class="cm">Created Time: 2024-04-05</span>
<a id="__codelineno-38-4" name="__codelineno-38-4" href="#__codelineno-38-4"></a><span class="cm">Author: Xuan Khoa Tu Nguyen (ngxktuzkai2000@gmail.com)</span>
<a id="__codelineno-38-5" name="__codelineno-38-5" href="#__codelineno-38-5"></a><span class="cm">=end</span>
<a id="__codelineno-38-6" name="__codelineno-38-6" href="#__codelineno-38-6"></a>
<a id="__codelineno-38-7" name="__codelineno-38-7" href="#__codelineno-38-7"></a><span class="c1"># ## Двусторонняя очередь на основе кольцевого массива ###</span>
<a id="__codelineno-38-8" name="__codelineno-38-8" href="#__codelineno-38-8"></a><span class="k">class</span><span class="w"> </span><span class="nc">ArrayDeque</span>
<a id="__codelineno-38-9" name="__codelineno-38-9" href="#__codelineno-38-9"></a><span class="w"> </span><span class="c1"># ## Получение длины двусторонней очереди ###</span>
<a id="__codelineno-38-10" name="__codelineno-38-10" href="#__codelineno-38-10"></a><span class="w"> </span><span class="kp">attr_reader</span><span class="w"> </span><span class="ss">:size</span>
<a id="__codelineno-38-11" name="__codelineno-38-11" href="#__codelineno-38-11"></a>
<a id="__codelineno-38-12" name="__codelineno-38-12" href="#__codelineno-38-12"></a><span class="w"> </span><span class="c1"># ## Конструктор ###</span>
<a id="__codelineno-38-13" name="__codelineno-38-13" href="#__codelineno-38-13"></a><span class="w"> </span><span class="k">def</span><span class="w"> </span><span class="nf">initialize</span><span class="p">(</span><span class="n">capacity</span><span class="p">)</span>
<a id="__codelineno-38-14" name="__codelineno-38-14" href="#__codelineno-38-14"></a><span class="w"> </span><span class="vi">@nums</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="nb">Array</span><span class="o">.</span><span class="n">new</span><span class="p">(</span><span class="n">capacity</span><span class="p">,</span><span class="w"> </span><span class="mi">0</span><span class="p">)</span>
<a id="__codelineno-38-15" name="__codelineno-38-15" href="#__codelineno-38-15"></a><span class="w"> </span><span class="vi">@front</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="mi">0</span>
<a id="__codelineno-38-16" name="__codelineno-38-16" href="#__codelineno-38-16"></a><span class="w"> </span><span class="vi">@size</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="mi">0</span>
<a id="__codelineno-38-17" name="__codelineno-38-17" href="#__codelineno-38-17"></a><span class="w"> </span><span class="k">end</span>
<a id="__codelineno-38-18" name="__codelineno-38-18" href="#__codelineno-38-18"></a>
<a id="__codelineno-38-19" name="__codelineno-38-19" href="#__codelineno-38-19"></a><span class="w"> </span><span class="c1"># ## Получить вместимость двусторонней очереди ###</span>
<a id="__codelineno-38-20" name="__codelineno-38-20" href="#__codelineno-38-20"></a><span class="w"> </span><span class="k">def</span><span class="w"> </span><span class="nf">capacity</span>
<a id="__codelineno-38-21" name="__codelineno-38-21" href="#__codelineno-38-21"></a><span class="w"> </span><span class="vi">@nums</span><span class="o">.</span><span class="n">length</span>
<a id="__codelineno-38-22" name="__codelineno-38-22" href="#__codelineno-38-22"></a><span class="w"> </span><span class="k">end</span>
<a id="__codelineno-38-23" name="__codelineno-38-23" href="#__codelineno-38-23"></a>
<a id="__codelineno-38-24" name="__codelineno-38-24" href="#__codelineno-38-24"></a><span class="w"> </span><span class="c1"># ## Проверка, пуста ли двусторонняя очередь ###</span>
<a id="__codelineno-38-25" name="__codelineno-38-25" href="#__codelineno-38-25"></a><span class="w"> </span><span class="k">def</span><span class="w"> </span><span class="nf">is_empty?</span>
<a id="__codelineno-38-26" name="__codelineno-38-26" href="#__codelineno-38-26"></a><span class="w"> </span><span class="n">size</span><span class="o">.</span><span class="n">zero?</span>
<a id="__codelineno-38-27" name="__codelineno-38-27" href="#__codelineno-38-27"></a><span class="w"> </span><span class="k">end</span>
<a id="__codelineno-38-28" name="__codelineno-38-28" href="#__codelineno-38-28"></a>
<a id="__codelineno-38-29" name="__codelineno-38-29" href="#__codelineno-38-29"></a><span class="w"> </span><span class="c1"># ## Добавление в голову очереди ###</span>
<a id="__codelineno-38-30" name="__codelineno-38-30" href="#__codelineno-38-30"></a><span class="w"> </span><span class="k">def</span><span class="w"> </span><span class="nf">push_first</span><span class="p">(</span><span class="n">num</span><span class="p">)</span>
<a id="__codelineno-38-31" name="__codelineno-38-31" href="#__codelineno-38-31"></a><span class="w"> </span><span class="k">if</span><span class="w"> </span><span class="n">size</span><span class="w"> </span><span class="o">==</span><span class="w"> </span><span class="n">capacity</span>
<a id="__codelineno-38-32" name="__codelineno-38-32" href="#__codelineno-38-32"></a><span class="w"> </span><span class="nb">puts</span><span class="w"> </span><span class="s1">&#39;Двусторонняя очередь заполнена&#39;</span>
<a id="__codelineno-38-33" name="__codelineno-38-33" href="#__codelineno-38-33"></a><span class="w"> </span><span class="k">return</span>
<a id="__codelineno-38-34" name="__codelineno-38-34" href="#__codelineno-38-34"></a><span class="w"> </span><span class="k">end</span>
<a id="__codelineno-38-35" name="__codelineno-38-35" href="#__codelineno-38-35"></a>
<a id="__codelineno-38-36" name="__codelineno-38-36" href="#__codelineno-38-36"></a><span class="w"> </span><span class="c1"># Указатель головы сдвигается на одну позицию влево</span>
<a id="__codelineno-38-37" name="__codelineno-38-37" href="#__codelineno-38-37"></a><span class="w"> </span><span class="c1"># С помощью операции взятия по модулю front после выхода за начало массива возвращается в хвост</span>
<a id="__codelineno-38-38" name="__codelineno-38-38" href="#__codelineno-38-38"></a><span class="w"> </span><span class="vi">@front</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="n">index</span><span class="p">(</span><span class="vi">@front</span><span class="w"> </span><span class="o">-</span><span class="w"> </span><span class="mi">1</span><span class="p">)</span>
<a id="__codelineno-38-39" name="__codelineno-38-39" href="#__codelineno-38-39"></a><span class="w"> </span><span class="c1"># Добавить num в голову очереди</span>
<a id="__codelineno-38-40" name="__codelineno-38-40" href="#__codelineno-38-40"></a><span class="w"> </span><span class="vi">@nums</span><span class="o">[</span><span class="vi">@front</span><span class="o">]</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="n">num</span>
<a id="__codelineno-38-41" name="__codelineno-38-41" href="#__codelineno-38-41"></a><span class="w"> </span><span class="vi">@size</span><span class="w"> </span><span class="o">+=</span><span class="w"> </span><span class="mi">1</span>
<a id="__codelineno-38-42" name="__codelineno-38-42" href="#__codelineno-38-42"></a><span class="w"> </span><span class="k">end</span>
<a id="__codelineno-38-43" name="__codelineno-38-43" href="#__codelineno-38-43"></a>
<a id="__codelineno-38-44" name="__codelineno-38-44" href="#__codelineno-38-44"></a><span class="w"> </span><span class="c1"># ## Добавление в хвост очереди ###</span>
<a id="__codelineno-38-45" name="__codelineno-38-45" href="#__codelineno-38-45"></a><span class="w"> </span><span class="k">def</span><span class="w"> </span><span class="nf">push_last</span><span class="p">(</span><span class="n">num</span><span class="p">)</span>
<a id="__codelineno-38-46" name="__codelineno-38-46" href="#__codelineno-38-46"></a><span class="w"> </span><span class="k">if</span><span class="w"> </span><span class="n">size</span><span class="w"> </span><span class="o">==</span><span class="w"> </span><span class="n">capacity</span>
<a id="__codelineno-38-47" name="__codelineno-38-47" href="#__codelineno-38-47"></a><span class="w"> </span><span class="nb">puts</span><span class="w"> </span><span class="s1">&#39;Двусторонняя очередь заполнена&#39;</span>
<a id="__codelineno-38-48" name="__codelineno-38-48" href="#__codelineno-38-48"></a><span class="w"> </span><span class="k">return</span>
<a id="__codelineno-38-49" name="__codelineno-38-49" href="#__codelineno-38-49"></a><span class="w"> </span><span class="k">end</span>
<a id="__codelineno-38-50" name="__codelineno-38-50" href="#__codelineno-38-50"></a>
<a id="__codelineno-38-51" name="__codelineno-38-51" href="#__codelineno-38-51"></a><span class="w"> </span><span class="c1"># Вычислить указатель хвоста, указывающий на индекс хвоста + 1</span>
<a id="__codelineno-38-52" name="__codelineno-38-52" href="#__codelineno-38-52"></a><span class="w"> </span><span class="n">rear</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="n">index</span><span class="p">(</span><span class="vi">@front</span><span class="w"> </span><span class="o">+</span><span class="w"> </span><span class="n">size</span><span class="p">)</span>
<a id="__codelineno-38-53" name="__codelineno-38-53" href="#__codelineno-38-53"></a><span class="w"> </span><span class="c1"># Добавить num в хвост очереди</span>
<a id="__codelineno-38-54" name="__codelineno-38-54" href="#__codelineno-38-54"></a><span class="w"> </span><span class="vi">@nums</span><span class="o">[</span><span class="n">rear</span><span class="o">]</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="n">num</span>
<a id="__codelineno-38-55" name="__codelineno-38-55" href="#__codelineno-38-55"></a><span class="w"> </span><span class="vi">@size</span><span class="w"> </span><span class="o">+=</span><span class="w"> </span><span class="mi">1</span>
<a id="__codelineno-38-56" name="__codelineno-38-56" href="#__codelineno-38-56"></a><span class="w"> </span><span class="k">end</span>
<a id="__codelineno-38-57" name="__codelineno-38-57" href="#__codelineno-38-57"></a>
<a id="__codelineno-38-58" name="__codelineno-38-58" href="#__codelineno-38-58"></a><span class="w"> </span><span class="c1"># ## Извлечение из головы очереди ###</span>
<a id="__codelineno-38-59" name="__codelineno-38-59" href="#__codelineno-38-59"></a><span class="w"> </span><span class="k">def</span><span class="w"> </span><span class="nf">pop_first</span>
<a id="__codelineno-38-60" name="__codelineno-38-60" href="#__codelineno-38-60"></a><span class="w"> </span><span class="n">num</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="n">peek_first</span>
<a id="__codelineno-38-61" name="__codelineno-38-61" href="#__codelineno-38-61"></a><span class="w"> </span><span class="c1"># Указатель головы сдвигается на одну позицию назад</span>
<a id="__codelineno-38-62" name="__codelineno-38-62" href="#__codelineno-38-62"></a><span class="w"> </span><span class="vi">@front</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="n">index</span><span class="p">(</span><span class="vi">@front</span><span class="w"> </span><span class="o">+</span><span class="w"> </span><span class="mi">1</span><span class="p">)</span>
<a id="__codelineno-38-63" name="__codelineno-38-63" href="#__codelineno-38-63"></a><span class="w"> </span><span class="vi">@size</span><span class="w"> </span><span class="o">-=</span><span class="w"> </span><span class="mi">1</span>
<a id="__codelineno-38-64" name="__codelineno-38-64" href="#__codelineno-38-64"></a><span class="w"> </span><span class="n">num</span>
<a id="__codelineno-38-65" name="__codelineno-38-65" href="#__codelineno-38-65"></a><span class="w"> </span><span class="k">end</span>
<a id="__codelineno-38-66" name="__codelineno-38-66" href="#__codelineno-38-66"></a>
<a id="__codelineno-38-67" name="__codelineno-38-67" href="#__codelineno-38-67"></a><span class="w"> </span><span class="c1"># ## Извлечение из хвоста очереди ###</span>
<a id="__codelineno-38-68" name="__codelineno-38-68" href="#__codelineno-38-68"></a><span class="w"> </span><span class="k">def</span><span class="w"> </span><span class="nf">pop_last</span>
<a id="__codelineno-38-69" name="__codelineno-38-69" href="#__codelineno-38-69"></a><span class="w"> </span><span class="n">num</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="n">peek_last</span>
<a id="__codelineno-38-70" name="__codelineno-38-70" href="#__codelineno-38-70"></a><span class="w"> </span><span class="vi">@size</span><span class="w"> </span><span class="o">-=</span><span class="w"> </span><span class="mi">1</span>
<a id="__codelineno-38-71" name="__codelineno-38-71" href="#__codelineno-38-71"></a><span class="w"> </span><span class="n">num</span>
<a id="__codelineno-38-72" name="__codelineno-38-72" href="#__codelineno-38-72"></a><span class="w"> </span><span class="k">end</span>
<a id="__codelineno-38-73" name="__codelineno-38-73" href="#__codelineno-38-73"></a>
<a id="__codelineno-38-74" name="__codelineno-38-74" href="#__codelineno-38-74"></a><span class="w"> </span><span class="c1"># ## Доступ к элементу в начале очереди ###</span>
<a id="__codelineno-38-75" name="__codelineno-38-75" href="#__codelineno-38-75"></a><span class="w"> </span><span class="k">def</span><span class="w"> </span><span class="nf">peek_first</span>
<a id="__codelineno-38-76" name="__codelineno-38-76" href="#__codelineno-38-76"></a><span class="w"> </span><span class="k">raise</span><span class="w"> </span><span class="no">IndexError</span><span class="p">,</span><span class="w"> </span><span class="s1">&#39;двусторонняя очередь пуста&#39;</span><span class="w"> </span><span class="k">if</span><span class="w"> </span><span class="n">is_empty?</span>
<a id="__codelineno-38-77" name="__codelineno-38-77" href="#__codelineno-38-77"></a>
<a id="__codelineno-38-78" name="__codelineno-38-78" href="#__codelineno-38-78"></a><span class="w"> </span><span class="vi">@nums</span><span class="o">[</span><span class="vi">@front</span><span class="o">]</span>
<a id="__codelineno-38-79" name="__codelineno-38-79" href="#__codelineno-38-79"></a><span class="w"> </span><span class="k">end</span>
<a id="__codelineno-38-80" name="__codelineno-38-80" href="#__codelineno-38-80"></a>
<a id="__codelineno-38-81" name="__codelineno-38-81" href="#__codelineno-38-81"></a><span class="w"> </span><span class="c1"># ## Доступ к элементу в хвосте очереди ###</span>
<a id="__codelineno-38-82" name="__codelineno-38-82" href="#__codelineno-38-82"></a><span class="w"> </span><span class="k">def</span><span class="w"> </span><span class="nf">peek_last</span>
<a id="__codelineno-38-83" name="__codelineno-38-83" href="#__codelineno-38-83"></a><span class="w"> </span><span class="k">raise</span><span class="w"> </span><span class="no">IndexError</span><span class="p">,</span><span class="w"> </span><span class="s1">&#39;двусторонняя очередь пуста&#39;</span><span class="w"> </span><span class="k">if</span><span class="w"> </span><span class="n">is_empty?</span>
<a id="__codelineno-38-84" name="__codelineno-38-84" href="#__codelineno-38-84"></a>
<a id="__codelineno-38-85" name="__codelineno-38-85" href="#__codelineno-38-85"></a><span class="w"> </span><span class="c1"># Вычислить индекс хвостового элемента</span>
<a id="__codelineno-38-86" name="__codelineno-38-86" href="#__codelineno-38-86"></a><span class="w"> </span><span class="n">last</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="n">index</span><span class="p">(</span><span class="vi">@front</span><span class="w"> </span><span class="o">+</span><span class="w"> </span><span class="n">size</span><span class="w"> </span><span class="o">-</span><span class="w"> </span><span class="mi">1</span><span class="p">)</span>
<a id="__codelineno-38-87" name="__codelineno-38-87" href="#__codelineno-38-87"></a><span class="w"> </span><span class="vi">@nums</span><span class="o">[</span><span class="n">last</span><span class="o">]</span>
<a id="__codelineno-38-88" name="__codelineno-38-88" href="#__codelineno-38-88"></a><span class="w"> </span><span class="k">end</span>
<a id="__codelineno-38-89" name="__codelineno-38-89" href="#__codelineno-38-89"></a>
<a id="__codelineno-38-90" name="__codelineno-38-90" href="#__codelineno-38-90"></a><span class="w"> </span><span class="c1"># ## Вернуть массив для вывода ###</span>
<a id="__codelineno-38-91" name="__codelineno-38-91" href="#__codelineno-38-91"></a><span class="w"> </span><span class="k">def</span><span class="w"> </span><span class="nf">to_array</span>
<a id="__codelineno-38-92" name="__codelineno-38-92" href="#__codelineno-38-92"></a><span class="w"> </span><span class="c1"># Преобразовывать только элементы списка в пределах фактической длины</span>
<a id="__codelineno-38-93" name="__codelineno-38-93" href="#__codelineno-38-93"></a><span class="w"> </span><span class="n">res</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="o">[]</span>
<a id="__codelineno-38-94" name="__codelineno-38-94" href="#__codelineno-38-94"></a><span class="w"> </span><span class="k">for</span><span class="w"> </span><span class="n">i</span><span class="w"> </span><span class="k">in</span><span class="w"> </span><span class="mi">0</span><span class="o">...</span><span class="n">size</span>
<a id="__codelineno-38-95" name="__codelineno-38-95" href="#__codelineno-38-95"></a><span class="w"> </span><span class="n">res</span><span class="w"> </span><span class="o">&lt;&lt;</span><span class="w"> </span><span class="vi">@nums</span><span class="o">[</span><span class="n">index</span><span class="p">(</span><span class="vi">@front</span><span class="w"> </span><span class="o">+</span><span class="w"> </span><span class="n">i</span><span class="p">)</span><span class="o">]</span>
<a id="__codelineno-38-96" name="__codelineno-38-96" href="#__codelineno-38-96"></a><span class="w"> </span><span class="k">end</span>
<a id="__codelineno-38-97" name="__codelineno-38-97" href="#__codelineno-38-97"></a><span class="w"> </span><span class="n">res</span>
<a id="__codelineno-38-98" name="__codelineno-38-98" href="#__codelineno-38-98"></a><span class="w"> </span><span class="k">end</span>
<a id="__codelineno-38-99" name="__codelineno-38-99" href="#__codelineno-38-99"></a>
<a id="__codelineno-38-100" name="__codelineno-38-100" href="#__codelineno-38-100"></a><span class="w"> </span><span class="kp">private</span>
<a id="__codelineno-38-101" name="__codelineno-38-101" href="#__codelineno-38-101"></a>
<a id="__codelineno-38-102" name="__codelineno-38-102" href="#__codelineno-38-102"></a><span class="w"> </span><span class="c1"># ## Вычислить индекс в кольцевом массиве ###</span>
<a id="__codelineno-38-103" name="__codelineno-38-103" href="#__codelineno-38-103"></a><span class="w"> </span><span class="k">def</span><span class="w"> </span><span class="nf">index</span><span class="p">(</span><span class="n">i</span><span class="p">)</span>
<a id="__codelineno-38-104" name="__codelineno-38-104" href="#__codelineno-38-104"></a><span class="w"> </span><span class="c1"># С помощью операции взятия по модулю соединить начало и конец массива</span>
<a id="__codelineno-38-105" name="__codelineno-38-105" href="#__codelineno-38-105"></a><span class="w"> </span><span class="c1"># Когда i выходит за конец массива, он возвращается в начало</span>
<a id="__codelineno-38-106" name="__codelineno-38-106" href="#__codelineno-38-106"></a><span class="w"> </span><span class="c1"># Когда i выходит за начало массива, он возвращается в конец</span>
<a id="__codelineno-38-107" name="__codelineno-38-107" href="#__codelineno-38-107"></a><span class="w"> </span><span class="p">(</span><span class="n">i</span><span class="w"> </span><span class="o">+</span><span class="w"> </span><span class="n">capacity</span><span class="p">)</span><span class="w"> </span><span class="o">%</span><span class="w"> </span><span class="n">capacity</span>
<a id="__codelineno-38-108" name="__codelineno-38-108" href="#__codelineno-38-108"></a><span class="w"> </span><span class="k">end</span>
<a id="__codelineno-38-109" name="__codelineno-38-109" href="#__codelineno-38-109"></a><span class="k">end</span>
<div class="highlight"><span class="filename">array_deque.rb</span><pre><span></span><code><a id="__codelineno-38-1" name="__codelineno-38-1" href="#__codelineno-38-1"></a><span class="c1">### Двусторонняя очередь на основе кольцевого массива ###</span>
<a id="__codelineno-38-2" name="__codelineno-38-2" href="#__codelineno-38-2"></a><span class="k">class</span><span class="w"> </span><span class="nc">ArrayDeque</span>
<a id="__codelineno-38-3" name="__codelineno-38-3" href="#__codelineno-38-3"></a><span class="w"> </span><span class="c1">### Получение длины двусторонней очереди ###</span>
<a id="__codelineno-38-4" name="__codelineno-38-4" href="#__codelineno-38-4"></a><span class="w"> </span><span class="kp">attr_reader</span><span class="w"> </span><span class="ss">:size</span>
<a id="__codelineno-38-5" name="__codelineno-38-5" href="#__codelineno-38-5"></a>
<a id="__codelineno-38-6" name="__codelineno-38-6" href="#__codelineno-38-6"></a><span class="w"> </span><span class="c1">### Конструктор ###</span>
<a id="__codelineno-38-7" name="__codelineno-38-7" href="#__codelineno-38-7"></a><span class="w"> </span><span class="k">def</span><span class="w"> </span><span class="nf">initialize</span><span class="p">(</span><span class="n">capacity</span><span class="p">)</span>
<a id="__codelineno-38-8" name="__codelineno-38-8" href="#__codelineno-38-8"></a><span class="w"> </span><span class="vi">@nums</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="nb">Array</span><span class="o">.</span><span class="n">new</span><span class="p">(</span><span class="n">capacity</span><span class="p">,</span><span class="w"> </span><span class="mi">0</span><span class="p">)</span>
<a id="__codelineno-38-9" name="__codelineno-38-9" href="#__codelineno-38-9"></a><span class="w"> </span><span class="vi">@front</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="mi">0</span>
<a id="__codelineno-38-10" name="__codelineno-38-10" href="#__codelineno-38-10"></a><span class="w"> </span><span class="vi">@size</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="mi">0</span>
<a id="__codelineno-38-11" name="__codelineno-38-11" href="#__codelineno-38-11"></a><span class="w"> </span><span class="k">end</span>
<a id="__codelineno-38-12" name="__codelineno-38-12" href="#__codelineno-38-12"></a>
<a id="__codelineno-38-13" name="__codelineno-38-13" href="#__codelineno-38-13"></a><span class="w"> </span><span class="c1">### Получить вместимость двусторонней очереди ###</span>
<a id="__codelineno-38-14" name="__codelineno-38-14" href="#__codelineno-38-14"></a><span class="w"> </span><span class="k">def</span><span class="w"> </span><span class="nf">capacity</span>
<a id="__codelineno-38-15" name="__codelineno-38-15" href="#__codelineno-38-15"></a><span class="w"> </span><span class="vi">@nums</span><span class="o">.</span><span class="n">length</span>
<a id="__codelineno-38-16" name="__codelineno-38-16" href="#__codelineno-38-16"></a><span class="w"> </span><span class="k">end</span>
<a id="__codelineno-38-17" name="__codelineno-38-17" href="#__codelineno-38-17"></a>
<a id="__codelineno-38-18" name="__codelineno-38-18" href="#__codelineno-38-18"></a><span class="w"> </span><span class="c1">### Проверка, пуста ли двусторонняя очередь ###</span>
<a id="__codelineno-38-19" name="__codelineno-38-19" href="#__codelineno-38-19"></a><span class="w"> </span><span class="k">def</span><span class="w"> </span><span class="nf">is_empty?</span>
<a id="__codelineno-38-20" name="__codelineno-38-20" href="#__codelineno-38-20"></a><span class="w"> </span><span class="n">size</span><span class="o">.</span><span class="n">zero?</span>
<a id="__codelineno-38-21" name="__codelineno-38-21" href="#__codelineno-38-21"></a><span class="w"> </span><span class="k">end</span>
<a id="__codelineno-38-22" name="__codelineno-38-22" href="#__codelineno-38-22"></a>
<a id="__codelineno-38-23" name="__codelineno-38-23" href="#__codelineno-38-23"></a><span class="w"> </span><span class="c1">### Добавление в голову очереди ###</span>
<a id="__codelineno-38-24" name="__codelineno-38-24" href="#__codelineno-38-24"></a><span class="w"> </span><span class="k">def</span><span class="w"> </span><span class="nf">push_first</span><span class="p">(</span><span class="n">num</span><span class="p">)</span>
<a id="__codelineno-38-25" name="__codelineno-38-25" href="#__codelineno-38-25"></a><span class="w"> </span><span class="k">if</span><span class="w"> </span><span class="n">size</span><span class="w"> </span><span class="o">==</span><span class="w"> </span><span class="n">capacity</span>
<a id="__codelineno-38-26" name="__codelineno-38-26" href="#__codelineno-38-26"></a><span class="w"> </span><span class="nb">puts</span><span class="w"> </span><span class="s1">&#39;Двусторонняя очередь заполнена&#39;</span>
<a id="__codelineno-38-27" name="__codelineno-38-27" href="#__codelineno-38-27"></a><span class="w"> </span><span class="k">return</span>
<a id="__codelineno-38-28" name="__codelineno-38-28" href="#__codelineno-38-28"></a><span class="w"> </span><span class="k">end</span>
<a id="__codelineno-38-29" name="__codelineno-38-29" href="#__codelineno-38-29"></a>
<a id="__codelineno-38-30" name="__codelineno-38-30" href="#__codelineno-38-30"></a><span class="w"> </span><span class="c1"># Указатель головы сдвигается на одну позицию влево</span>
<a id="__codelineno-38-31" name="__codelineno-38-31" href="#__codelineno-38-31"></a><span class="w"> </span><span class="c1"># С помощью операции взятия по модулю front после выхода за начало массива возвращается в хвост</span>
<a id="__codelineno-38-32" name="__codelineno-38-32" href="#__codelineno-38-32"></a><span class="w"> </span><span class="vi">@front</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="n">index</span><span class="p">(</span><span class="vi">@front</span><span class="w"> </span><span class="o">-</span><span class="w"> </span><span class="mi">1</span><span class="p">)</span>
<a id="__codelineno-38-33" name="__codelineno-38-33" href="#__codelineno-38-33"></a><span class="w"> </span><span class="c1"># Добавить num в голову очереди</span>
<a id="__codelineno-38-34" name="__codelineno-38-34" href="#__codelineno-38-34"></a><span class="w"> </span><span class="vi">@nums</span><span class="o">[</span><span class="vi">@front</span><span class="o">]</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="n">num</span>
<a id="__codelineno-38-35" name="__codelineno-38-35" href="#__codelineno-38-35"></a><span class="w"> </span><span class="vi">@size</span><span class="w"> </span><span class="o">+=</span><span class="w"> </span><span class="mi">1</span>
<a id="__codelineno-38-36" name="__codelineno-38-36" href="#__codelineno-38-36"></a><span class="w"> </span><span class="k">end</span>
<a id="__codelineno-38-37" name="__codelineno-38-37" href="#__codelineno-38-37"></a>
<a id="__codelineno-38-38" name="__codelineno-38-38" href="#__codelineno-38-38"></a><span class="w"> </span><span class="c1">### Добавление в хвост очереди ###</span>
<a id="__codelineno-38-39" name="__codelineno-38-39" href="#__codelineno-38-39"></a><span class="w"> </span><span class="k">def</span><span class="w"> </span><span class="nf">push_last</span><span class="p">(</span><span class="n">num</span><span class="p">)</span>
<a id="__codelineno-38-40" name="__codelineno-38-40" href="#__codelineno-38-40"></a><span class="w"> </span><span class="k">if</span><span class="w"> </span><span class="n">size</span><span class="w"> </span><span class="o">==</span><span class="w"> </span><span class="n">capacity</span>
<a id="__codelineno-38-41" name="__codelineno-38-41" href="#__codelineno-38-41"></a><span class="w"> </span><span class="nb">puts</span><span class="w"> </span><span class="s1">&#39;Двусторонняя очередь заполнена&#39;</span>
<a id="__codelineno-38-42" name="__codelineno-38-42" href="#__codelineno-38-42"></a><span class="w"> </span><span class="k">return</span>
<a id="__codelineno-38-43" name="__codelineno-38-43" href="#__codelineno-38-43"></a><span class="w"> </span><span class="k">end</span>
<a id="__codelineno-38-44" name="__codelineno-38-44" href="#__codelineno-38-44"></a>
<a id="__codelineno-38-45" name="__codelineno-38-45" href="#__codelineno-38-45"></a><span class="w"> </span><span class="c1"># Вычислить указатель хвоста, указывающий на индекс хвоста + 1</span>
<a id="__codelineno-38-46" name="__codelineno-38-46" href="#__codelineno-38-46"></a><span class="w"> </span><span class="n">rear</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="n">index</span><span class="p">(</span><span class="vi">@front</span><span class="w"> </span><span class="o">+</span><span class="w"> </span><span class="n">size</span><span class="p">)</span>
<a id="__codelineno-38-47" name="__codelineno-38-47" href="#__codelineno-38-47"></a><span class="w"> </span><span class="c1"># Добавить num в хвост очереди</span>
<a id="__codelineno-38-48" name="__codelineno-38-48" href="#__codelineno-38-48"></a><span class="w"> </span><span class="vi">@nums</span><span class="o">[</span><span class="n">rear</span><span class="o">]</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="n">num</span>
<a id="__codelineno-38-49" name="__codelineno-38-49" href="#__codelineno-38-49"></a><span class="w"> </span><span class="vi">@size</span><span class="w"> </span><span class="o">+=</span><span class="w"> </span><span class="mi">1</span>
<a id="__codelineno-38-50" name="__codelineno-38-50" href="#__codelineno-38-50"></a><span class="w"> </span><span class="k">end</span>
<a id="__codelineno-38-51" name="__codelineno-38-51" href="#__codelineno-38-51"></a>
<a id="__codelineno-38-52" name="__codelineno-38-52" href="#__codelineno-38-52"></a><span class="w"> </span><span class="c1">### Извлечение из головы очереди ###</span>
<a id="__codelineno-38-53" name="__codelineno-38-53" href="#__codelineno-38-53"></a><span class="w"> </span><span class="k">def</span><span class="w"> </span><span class="nf">pop_first</span>
<a id="__codelineno-38-54" name="__codelineno-38-54" href="#__codelineno-38-54"></a><span class="w"> </span><span class="n">num</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="n">peek_first</span>
<a id="__codelineno-38-55" name="__codelineno-38-55" href="#__codelineno-38-55"></a><span class="w"> </span><span class="c1"># Указатель головы сдвигается на одну позицию назад</span>
<a id="__codelineno-38-56" name="__codelineno-38-56" href="#__codelineno-38-56"></a><span class="w"> </span><span class="vi">@front</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="n">index</span><span class="p">(</span><span class="vi">@front</span><span class="w"> </span><span class="o">+</span><span class="w"> </span><span class="mi">1</span><span class="p">)</span>
<a id="__codelineno-38-57" name="__codelineno-38-57" href="#__codelineno-38-57"></a><span class="w"> </span><span class="vi">@size</span><span class="w"> </span><span class="o">-=</span><span class="w"> </span><span class="mi">1</span>
<a id="__codelineno-38-58" name="__codelineno-38-58" href="#__codelineno-38-58"></a><span class="w"> </span><span class="n">num</span>
<a id="__codelineno-38-59" name="__codelineno-38-59" href="#__codelineno-38-59"></a><span class="w"> </span><span class="k">end</span>
<a id="__codelineno-38-60" name="__codelineno-38-60" href="#__codelineno-38-60"></a>
<a id="__codelineno-38-61" name="__codelineno-38-61" href="#__codelineno-38-61"></a><span class="w"> </span><span class="c1">### Извлечение из хвоста очереди ###</span>
<a id="__codelineno-38-62" name="__codelineno-38-62" href="#__codelineno-38-62"></a><span class="w"> </span><span class="k">def</span><span class="w"> </span><span class="nf">pop_last</span>
<a id="__codelineno-38-63" name="__codelineno-38-63" href="#__codelineno-38-63"></a><span class="w"> </span><span class="n">num</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="n">peek_last</span>
<a id="__codelineno-38-64" name="__codelineno-38-64" href="#__codelineno-38-64"></a><span class="w"> </span><span class="vi">@size</span><span class="w"> </span><span class="o">-=</span><span class="w"> </span><span class="mi">1</span>
<a id="__codelineno-38-65" name="__codelineno-38-65" href="#__codelineno-38-65"></a><span class="w"> </span><span class="n">num</span>
<a id="__codelineno-38-66" name="__codelineno-38-66" href="#__codelineno-38-66"></a><span class="w"> </span><span class="k">end</span>
<a id="__codelineno-38-67" name="__codelineno-38-67" href="#__codelineno-38-67"></a>
<a id="__codelineno-38-68" name="__codelineno-38-68" href="#__codelineno-38-68"></a><span class="w"> </span><span class="c1">### Доступ к элементу в начале очереди ###</span>
<a id="__codelineno-38-69" name="__codelineno-38-69" href="#__codelineno-38-69"></a><span class="w"> </span><span class="k">def</span><span class="w"> </span><span class="nf">peek_first</span>
<a id="__codelineno-38-70" name="__codelineno-38-70" href="#__codelineno-38-70"></a><span class="w"> </span><span class="k">raise</span><span class="w"> </span><span class="no">IndexError</span><span class="p">,</span><span class="w"> </span><span class="s1">&#39;двусторонняя очередь пуста&#39;</span><span class="w"> </span><span class="k">if</span><span class="w"> </span><span class="n">is_empty?</span>
<a id="__codelineno-38-71" name="__codelineno-38-71" href="#__codelineno-38-71"></a>
<a id="__codelineno-38-72" name="__codelineno-38-72" href="#__codelineno-38-72"></a><span class="w"> </span><span class="vi">@nums</span><span class="o">[</span><span class="vi">@front</span><span class="o">]</span>
<a id="__codelineno-38-73" name="__codelineno-38-73" href="#__codelineno-38-73"></a><span class="w"> </span><span class="k">end</span>
<a id="__codelineno-38-74" name="__codelineno-38-74" href="#__codelineno-38-74"></a>
<a id="__codelineno-38-75" name="__codelineno-38-75" href="#__codelineno-38-75"></a><span class="w"> </span><span class="c1">### Доступ к элементу в хвосте очереди ###</span>
<a id="__codelineno-38-76" name="__codelineno-38-76" href="#__codelineno-38-76"></a><span class="w"> </span><span class="k">def</span><span class="w"> </span><span class="nf">peek_last</span>
<a id="__codelineno-38-77" name="__codelineno-38-77" href="#__codelineno-38-77"></a><span class="w"> </span><span class="k">raise</span><span class="w"> </span><span class="no">IndexError</span><span class="p">,</span><span class="w"> </span><span class="s1">&#39;двусторонняя очередь пуста&#39;</span><span class="w"> </span><span class="k">if</span><span class="w"> </span><span class="n">is_empty?</span>
<a id="__codelineno-38-78" name="__codelineno-38-78" href="#__codelineno-38-78"></a>
<a id="__codelineno-38-79" name="__codelineno-38-79" href="#__codelineno-38-79"></a><span class="w"> </span><span class="c1"># Вычислить индекс хвостового элемента</span>
<a id="__codelineno-38-80" name="__codelineno-38-80" href="#__codelineno-38-80"></a><span class="w"> </span><span class="n">last</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="n">index</span><span class="p">(</span><span class="vi">@front</span><span class="w"> </span><span class="o">+</span><span class="w"> </span><span class="n">size</span><span class="w"> </span><span class="o">-</span><span class="w"> </span><span class="mi">1</span><span class="p">)</span>
<a id="__codelineno-38-81" name="__codelineno-38-81" href="#__codelineno-38-81"></a><span class="w"> </span><span class="vi">@nums</span><span class="o">[</span><span class="n">last</span><span class="o">]</span>
<a id="__codelineno-38-82" name="__codelineno-38-82" href="#__codelineno-38-82"></a><span class="w"> </span><span class="k">end</span>
<a id="__codelineno-38-83" name="__codelineno-38-83" href="#__codelineno-38-83"></a>
<a id="__codelineno-38-84" name="__codelineno-38-84" href="#__codelineno-38-84"></a><span class="w"> </span><span class="c1">### Вернуть массив для вывода ###</span>
<a id="__codelineno-38-85" name="__codelineno-38-85" href="#__codelineno-38-85"></a><span class="w"> </span><span class="k">def</span><span class="w"> </span><span class="nf">to_array</span>
<a id="__codelineno-38-86" name="__codelineno-38-86" href="#__codelineno-38-86"></a><span class="w"> </span><span class="c1"># Преобразовывать только элементы списка в пределах фактической длины</span>
<a id="__codelineno-38-87" name="__codelineno-38-87" href="#__codelineno-38-87"></a><span class="w"> </span><span class="n">res</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="o">[]</span>
<a id="__codelineno-38-88" name="__codelineno-38-88" href="#__codelineno-38-88"></a><span class="w"> </span><span class="k">for</span><span class="w"> </span><span class="n">i</span><span class="w"> </span><span class="k">in</span><span class="w"> </span><span class="mi">0</span><span class="o">...</span><span class="n">size</span>
<a id="__codelineno-38-89" name="__codelineno-38-89" href="#__codelineno-38-89"></a><span class="w"> </span><span class="n">res</span><span class="w"> </span><span class="o">&lt;&lt;</span><span class="w"> </span><span class="vi">@nums</span><span class="o">[</span><span class="n">index</span><span class="p">(</span><span class="vi">@front</span><span class="w"> </span><span class="o">+</span><span class="w"> </span><span class="n">i</span><span class="p">)</span><span class="o">]</span>
<a id="__codelineno-38-90" name="__codelineno-38-90" href="#__codelineno-38-90"></a><span class="w"> </span><span class="k">end</span>
<a id="__codelineno-38-91" name="__codelineno-38-91" href="#__codelineno-38-91"></a><span class="w"> </span><span class="n">res</span>
<a id="__codelineno-38-92" name="__codelineno-38-92" href="#__codelineno-38-92"></a><span class="w"> </span><span class="k">end</span>
<a id="__codelineno-38-93" name="__codelineno-38-93" href="#__codelineno-38-93"></a>
<a id="__codelineno-38-94" name="__codelineno-38-94" href="#__codelineno-38-94"></a><span class="w"> </span><span class="kp">private</span>
<a id="__codelineno-38-95" name="__codelineno-38-95" href="#__codelineno-38-95"></a>
<a id="__codelineno-38-96" name="__codelineno-38-96" href="#__codelineno-38-96"></a><span class="w"> </span><span class="c1">### Вычислить индекс в кольцевом массиве ###</span>
<a id="__codelineno-38-97" name="__codelineno-38-97" href="#__codelineno-38-97"></a><span class="w"> </span><span class="k">def</span><span class="w"> </span><span class="nf">index</span><span class="p">(</span><span class="n">i</span><span class="p">)</span>
<a id="__codelineno-38-98" name="__codelineno-38-98" href="#__codelineno-38-98"></a><span class="w"> </span><span class="c1"># С помощью операции взятия по модулю соединить начало и конец массива</span>
<a id="__codelineno-38-99" name="__codelineno-38-99" href="#__codelineno-38-99"></a><span class="w"> </span><span class="c1"># Когда i выходит за конец массива, он возвращается в начало</span>
<a id="__codelineno-38-100" name="__codelineno-38-100" href="#__codelineno-38-100"></a><span class="w"> </span><span class="c1"># Когда i выходит за начало массива, он возвращается в конец</span>
<a id="__codelineno-38-101" name="__codelineno-38-101" href="#__codelineno-38-101"></a><span class="w"> </span><span class="p">(</span><span class="n">i</span><span class="w"> </span><span class="o">+</span><span class="w"> </span><span class="n">capacity</span><span class="p">)</span><span class="w"> </span><span class="o">%</span><span class="w"> </span><span class="n">capacity</span>
<a id="__codelineno-38-102" name="__codelineno-38-102" href="#__codelineno-38-102"></a><span class="w"> </span><span class="k">end</span>
<a id="__codelineno-38-103" name="__codelineno-38-103" href="#__codelineno-38-103"></a><span class="k">end</span>
</code></pre></div>
</div>
</div>
@@ -8075,7 +8015,7 @@ aria-label="Нижний колонтитул"
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@@ -8185,7 +8125,7 @@ aria-label="Нижний колонтитул"
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@@ -8193,46 +8133,6 @@ aria-label="Нижний колонтитул"
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ru/chapter_stack_and_queue/index.html
+53 -132
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<link rel="prev" href="../chapter_array_and_linkedlist/summary/">
<link rel="next" href="stack/">
<link rel="next" href="./stack/">
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<img src="../assets/images/logo.svg" alt="logo">
<img src="../assets/images/logo.svg" alt="Hello Algo">
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<button class="md-header__button md-icon" aria-label="Выберите язык">
<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24"><path d="m12.87 15.07-2.54-2.51.03-.03A17.5 17.5 0 0 0 14.07 6H17V4h-7V2H8v2H1v2h11.17C11.5 7.92 10.44 9.75 9 11.35 8.07 10.32 7.3 9.19 6.69 8h-2c.73 1.63 1.73 3.17 2.98 4.56l-5.09 5.02L4 19l5-5 3.11 3.11zM18.5 10h-2L12 22h2l1.12-3h4.75L21 22h2zm-2.62 7 1.62-4.33L19.12 17z"/></svg>
<svg xmlns="http://www.w3.org/2000/svg" fill="none" stroke="currentColor" stroke-linecap="round" stroke-linejoin="round" stroke-width="2" class="lucide lucide-languages" viewBox="0 0 24 24"><path d="m5 8 6 6M4 14l6-6 2-3M2 5h12M7 2h1M22 22l-5-10-5 10M14 18h6"/></svg>
</button>
<div class="md-select__inner">
<ul class="md-select__list">
@@ -238,64 +234,30 @@
<label class="md-header__button md-icon" for="__search">
<label class="md-header__button md-icon" for="__search" aria-label="Поиск">
<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24"><path d="M9.5 3A6.5 6.5 0 0 1 16 9.5c0 1.61-.59 3.09-1.56 4.23l.27.27h.79l5 5-1.5 1.5-5-5v-.79l-.27-.27A6.52 6.52 0 0 1 9.5 16 6.5 6.5 0 0 1 3 9.5 6.5 6.5 0 0 1 9.5 3m0 2C7 5 5 7 5 9.5S7 14 9.5 14 14 12 14 9.5 12 5 9.5 5"/></svg>
<svg xmlns="http://www.w3.org/2000/svg" fill="none" stroke="currentColor" stroke-linecap="round" stroke-linejoin="round" stroke-width="2" class="lucide lucide-search" viewBox="0 0 24 24"><path d="m21 21-4.34-4.34"/><circle cx="11" cy="11" r="8"/></svg>
</label>
<div class="md-search" data-md-component="search" role="dialog">
<label class="md-search__overlay" for="__search"></label>
<div class="md-search__inner" role="search">
<form class="md-search__form" name="search">
<input type="text" class="md-search__input" name="query" aria-label="Поиск" placeholder="Поиск" autocapitalize="off" autocorrect="off" autocomplete="off" spellcheck="false" data-md-component="search-query" required>
<label class="md-search__icon md-icon" for="__search">
<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24"><path d="M9.5 3A6.5 6.5 0 0 1 16 9.5c0 1.61-.59 3.09-1.56 4.23l.27.27h.79l5 5-1.5 1.5-5-5v-.79l-.27-.27A6.52 6.52 0 0 1 9.5 16 6.5 6.5 0 0 1 3 9.5 6.5 6.5 0 0 1 9.5 3m0 2C7 5 5 7 5 9.5S7 14 9.5 14 14 12 14 9.5 12 5 9.5 5"/></svg>
<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24"><path d="M20 11v2H8l5.5 5.5-1.42 1.42L4.16 12l7.92-7.92L13.5 5.5 8 11z"/></svg>
</label>
<nav class="md-search__options" aria-label="Поиск">
<a href="javascript:void(0)" class="md-search__icon md-icon" title="Поделиться" aria-label="Поделиться" data-clipboard data-clipboard-text="" data-md-component="search-share" tabindex="-1">
<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24"><path d="M18 16.08c-.76 0-1.44.3-1.96.77L8.91 12.7c.05-.23.09-.46.09-.7s-.04-.47-.09-.7l7.05-4.11c.54.5 1.25.81 2.04.81a3 3 0 0 0 3-3 3 3 0 0 0-3-3 3 3 0 0 0-3 3c0 .24.04.47.09.7L8.04 9.81C7.5 9.31 6.79 9 6 9a3 3 0 0 0-3 3 3 3 0 0 0 3 3c.79 0 1.5-.31 2.04-.81l7.12 4.15c-.05.21-.08.43-.08.66 0 1.61 1.31 2.91 2.92 2.91s2.92-1.3 2.92-2.91A2.92 2.92 0 0 0 18 16.08"/></svg>
</a>
<button type="reset" class="md-search__icon md-icon" title="Очистить" aria-label="Очистить" tabindex="-1">
<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24"><path d="M19 6.41 17.59 5 12 10.59 6.41 5 5 6.41 10.59 12 5 17.59 6.41 19 12 13.41 17.59 19 19 17.59 13.41 12z"/></svg>
</button>
</nav>
<div class="md-search__suggest" data-md-component="search-suggest"></div>
</form>
<div class="md-search__output">
<div class="md-search__scrollwrap" tabindex="0" data-md-scrollfix>
<div class="md-search-result" data-md-component="search-result">
<div class="md-search-result__meta">
Инициализация поиска
</div>
<ol class="md-search-result__list" role="presentation"></ol>
</div>
</div>
</div>
</div>
<div class="md-search" data-md-component="search" role="dialog" aria-label="Поиск">
<button type="button" class="md-search__button">
Поиск
</button>
</div>
<div class="md-header__source">
<div class="md-header__source">
<a href="https://github.com/krahets/hello-algo" title="Перейти к репозиторию" class="md-source" data-md-component="source">
<div class="md-source__icon md-icon">
<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 512 512"><!--! Font Awesome Free 7.1.0 by @fontawesome - https://fontawesome.com License - https://fontawesome.com/license/free (Icons: CC BY 4.0, Fonts: SIL OFL 1.1, Code: MIT License) Copyright 2025 Fonticons, Inc.--><path d="M173.9 397.4c0 2-2.3 3.6-5.2 3.6-3.3.3-5.6-1.3-5.6-3.6 0-2 2.3-3.6 5.2-3.6 3-.3 5.6 1.3 5.6 3.6m-31.1-4.5c-.7 2 1.3 4.3 4.3 4.9 2.6 1 5.6 0 6.2-2s-1.3-4.3-4.3-5.2c-2.6-.7-5.5.3-6.2 2.3m44.2-1.7c-2.9.7-4.9 2.6-4.6 4.9.3 2 2.9 3.3 5.9 2.6 2.9-.7 4.9-2.6 4.6-4.6-.3-1.9-3-3.2-5.9-2.9M252.8 8C114.1 8 8 113.3 8 252c0 110.9 69.8 205.8 169.5 239.2 12.8 2.3 17.3-5.6 17.3-12.1 0-6.2-.3-40.4-.3-61.4 0 0-70 15-84.7-29.8 0 0-11.4-29.1-27.8-36.6 0 0-22.9-15.7 1.6-15.4 0 0 24.9 2 38.6 25.8 21.9 38.6 58.6 27.5 72.9 20.9 2.3-16 8.8-27.1 16-33.7-55.9-6.2-112.3-14.3-112.3-110.5 0-27.5 7.6-41.3 23.6-58.9-2.6-6.5-11.1-33.3 2.6-67.9 20.9-6.5 69 27 69 27 20-5.6 41.5-8.5 62.8-8.5s42.8 2.9 62.8 8.5c0 0 48.1-33.6 69-27 13.7 34.7 5.2 61.4 2.6 67.9 16 17.7 25.8 31.5 25.8 58.9 0 96.5-58.9 104.2-114.8 110.5 9.2 7.9 17 22.9 17 46.4 0 33.7-.3 75.4-.3 83.6 0 6.5 4.6 14.4 17.3 12.1C436.2 457.8 504 362.9 504 252 504 113.3 391.5 8 252.8 8M105.2 352.9c-1.3 1-1 3.3.7 5.2 1.6 1.6 3.9 2.3 5.2 1 1.3-1 1-3.3-.7-5.2-1.6-1.6-3.9-2.3-5.2-1m-10.8-8.1c-.7 1.3.3 2.9 2.3 3.9 1.6 1 3.6.7 4.3-.7.7-1.3-.3-2.9-2.3-3.9-2-.6-3.6-.3-4.3.7m32.4 35.6c-1.6 1.3-1 4.3 1.3 6.2 2.3 2.3 5.2 2.6 6.5 1 1.3-1.3.7-4.3-1.3-6.2-2.2-2.3-5.2-2.6-6.5-1m-11.4-14.7c-1.6 1-1.6 3.6 0 5.9s4.3 3.3 5.6 2.3c1.6-1.3 1.6-3.9 0-6.2-1.4-2.3-4-3.3-5.6-2"/></svg>
<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 512 512"><!--! Font Awesome Free 7.1.0 by @fontawesome - https://fontawesome.com License - https://fontawesome.com/license/free (Icons: CC BY 4.0, Fonts: SIL OFL 1.1, Code: MIT License) Copyright 2025 Fonticons, Inc.--><path fill="currentColor" d="M173.9 397.4c0 2-2.3 3.6-5.2 3.6-3.3.3-5.6-1.3-5.6-3.6 0-2 2.3-3.6 5.2-3.6 3-.3 5.6 1.3 5.6 3.6m-31.1-4.5c-.7 2 1.3 4.3 4.3 4.9 2.6 1 5.6 0 6.2-2s-1.3-4.3-4.3-5.2c-2.6-.7-5.5.3-6.2 2.3m44.2-1.7c-2.9.7-4.9 2.6-4.6 4.9.3 2 2.9 3.3 5.9 2.6 2.9-.7 4.9-2.6 4.6-4.6-.3-1.9-3-3.2-5.9-2.9M252.8 8C114.1 8 8 113.3 8 252c0 110.9 69.8 205.8 169.5 239.2 12.8 2.3 17.3-5.6 17.3-12.1 0-6.2-.3-40.4-.3-61.4 0 0-70 15-84.7-29.8 0 0-11.4-29.1-27.8-36.6 0 0-22.9-15.7 1.6-15.4 0 0 24.9 2 38.6 25.8 21.9 38.6 58.6 27.5 72.9 20.9 2.3-16 8.8-27.1 16-33.7-55.9-6.2-112.3-14.3-112.3-110.5 0-27.5 7.6-41.3 23.6-58.9-2.6-6.5-11.1-33.3 2.6-67.9 20.9-6.5 69 27 69 27 20-5.6 41.5-8.5 62.8-8.5s42.8 2.9 62.8 8.5c0 0 48.1-33.6 69-27 13.7 34.7 5.2 61.4 2.6 67.9 16 17.7 25.8 31.5 25.8 58.9 0 96.5-58.9 104.2-114.8 110.5 9.2 7.9 17 22.9 17 46.4 0 33.7-.3 75.4-.3 83.6 0 6.5 4.6 14.4 17.3 12.1C436.2 457.8 504 362.9 504 252 504 113.3 391.5 8 252.8 8M105.2 352.9c-1.3 1-1 3.3.7 5.2 1.6 1.6 3.9 2.3 5.2 1 1.3-1 1-3.3-.7-5.2-1.6-1.6-3.9-2.3-5.2-1m-10.8-8.1c-.7 1.3.3 2.9 2.3 3.9 1.6 1 3.6.7 4.3-.7.7-1.3-.3-2.9-2.3-3.9-2-.6-3.6-.3-4.3.7m32.4 35.6c-1.6 1.3-1 4.3 1.3 6.2 2.3 2.3 5.2 2.6 6.5 1 1.3-1.3.7-4.3-1.3-6.2-2.2-2.3-5.2-2.6-6.5-1m-11.4-14.7c-1.6 1-1.6 3.6 0 5.9s4.3 3.3 5.6 2.3c1.6-1.3 1.6-3.9 0-6.2-1.4-2.3-4-3.3-5.6-2"/></svg>
</div>
<div class="md-source__repository">
krahets/hello-algo
</div>
</a>
</div>
</div>
</nav>
</header>
@@ -321,9 +283,9 @@
<nav class="md-nav md-nav--primary" aria-label="Навигация" data-md-level="0">
<label class="md-nav__title" for="__drawer">
<a href=".." title="Hello Algo" class="md-nav__button md-logo" aria-label="Hello Algo" data-md-component="logo">
<a href="./.." title="Hello Algo" class="md-nav__button md-logo" aria-label="Hello Algo" data-md-component="logo">
<img src="../assets/images/logo.svg" alt="logo">
<img src="../assets/images/logo.svg" alt="Hello Algo">
</a>
Hello Algo
@@ -333,7 +295,7 @@
<a href="https://github.com/krahets/hello-algo" title="Перейти к репозиторию" class="md-source" data-md-component="source">
<div class="md-source__icon md-icon">
<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 512 512"><!--! Font Awesome Free 7.1.0 by @fontawesome - https://fontawesome.com License - https://fontawesome.com/license/free (Icons: CC BY 4.0, Fonts: SIL OFL 1.1, Code: MIT License) Copyright 2025 Fonticons, Inc.--><path d="M173.9 397.4c0 2-2.3 3.6-5.2 3.6-3.3.3-5.6-1.3-5.6-3.6 0-2 2.3-3.6 5.2-3.6 3-.3 5.6 1.3 5.6 3.6m-31.1-4.5c-.7 2 1.3 4.3 4.3 4.9 2.6 1 5.6 0 6.2-2s-1.3-4.3-4.3-5.2c-2.6-.7-5.5.3-6.2 2.3m44.2-1.7c-2.9.7-4.9 2.6-4.6 4.9.3 2 2.9 3.3 5.9 2.6 2.9-.7 4.9-2.6 4.6-4.6-.3-1.9-3-3.2-5.9-2.9M252.8 8C114.1 8 8 113.3 8 252c0 110.9 69.8 205.8 169.5 239.2 12.8 2.3 17.3-5.6 17.3-12.1 0-6.2-.3-40.4-.3-61.4 0 0-70 15-84.7-29.8 0 0-11.4-29.1-27.8-36.6 0 0-22.9-15.7 1.6-15.4 0 0 24.9 2 38.6 25.8 21.9 38.6 58.6 27.5 72.9 20.9 2.3-16 8.8-27.1 16-33.7-55.9-6.2-112.3-14.3-112.3-110.5 0-27.5 7.6-41.3 23.6-58.9-2.6-6.5-11.1-33.3 2.6-67.9 20.9-6.5 69 27 69 27 20-5.6 41.5-8.5 62.8-8.5s42.8 2.9 62.8 8.5c0 0 48.1-33.6 69-27 13.7 34.7 5.2 61.4 2.6 67.9 16 17.7 25.8 31.5 25.8 58.9 0 96.5-58.9 104.2-114.8 110.5 9.2 7.9 17 22.9 17 46.4 0 33.7-.3 75.4-.3 83.6 0 6.5 4.6 14.4 17.3 12.1C436.2 457.8 504 362.9 504 252 504 113.3 391.5 8 252.8 8M105.2 352.9c-1.3 1-1 3.3.7 5.2 1.6 1.6 3.9 2.3 5.2 1 1.3-1 1-3.3-.7-5.2-1.6-1.6-3.9-2.3-5.2-1m-10.8-8.1c-.7 1.3.3 2.9 2.3 3.9 1.6 1 3.6.7 4.3-.7.7-1.3-.3-2.9-2.3-3.9-2-.6-3.6-.3-4.3.7m32.4 35.6c-1.6 1.3-1 4.3 1.3 6.2 2.3 2.3 5.2 2.6 6.5 1 1.3-1.3.7-4.3-1.3-6.2-2.2-2.3-5.2-2.6-6.5-1m-11.4-14.7c-1.6 1-1.6 3.6 0 5.9s4.3 3.3 5.6 2.3c1.6-1.3 1.6-3.9 0-6.2-1.4-2.3-4-3.3-5.6-2"/></svg>
<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 512 512"><!--! Font Awesome Free 7.1.0 by @fontawesome - https://fontawesome.com License - https://fontawesome.com/license/free (Icons: CC BY 4.0, Fonts: SIL OFL 1.1, Code: MIT License) Copyright 2025 Fonticons, Inc.--><path fill="currentColor" d="M173.9 397.4c0 2-2.3 3.6-5.2 3.6-3.3.3-5.6-1.3-5.6-3.6 0-2 2.3-3.6 5.2-3.6 3-.3 5.6 1.3 5.6 3.6m-31.1-4.5c-.7 2 1.3 4.3 4.3 4.9 2.6 1 5.6 0 6.2-2s-1.3-4.3-4.3-5.2c-2.6-.7-5.5.3-6.2 2.3m44.2-1.7c-2.9.7-4.9 2.6-4.6 4.9.3 2 2.9 3.3 5.9 2.6 2.9-.7 4.9-2.6 4.6-4.6-.3-1.9-3-3.2-5.9-2.9M252.8 8C114.1 8 8 113.3 8 252c0 110.9 69.8 205.8 169.5 239.2 12.8 2.3 17.3-5.6 17.3-12.1 0-6.2-.3-40.4-.3-61.4 0 0-70 15-84.7-29.8 0 0-11.4-29.1-27.8-36.6 0 0-22.9-15.7 1.6-15.4 0 0 24.9 2 38.6 25.8 21.9 38.6 58.6 27.5 72.9 20.9 2.3-16 8.8-27.1 16-33.7-55.9-6.2-112.3-14.3-112.3-110.5 0-27.5 7.6-41.3 23.6-58.9-2.6-6.5-11.1-33.3 2.6-67.9 20.9-6.5 69 27 69 27 20-5.6 41.5-8.5 62.8-8.5s42.8 2.9 62.8 8.5c0 0 48.1-33.6 69-27 13.7 34.7 5.2 61.4 2.6 67.9 16 17.7 25.8 31.5 25.8 58.9 0 96.5-58.9 104.2-114.8 110.5 9.2 7.9 17 22.9 17 46.4 0 33.7-.3 75.4-.3 83.6 0 6.5 4.6 14.4 17.3 12.1C436.2 457.8 504 362.9 504 252 504 113.3 391.5 8 252.8 8M105.2 352.9c-1.3 1-1 3.3.7 5.2 1.6 1.6 3.9 2.3 5.2 1 1.3-1 1-3.3-.7-5.2-1.6-1.6-3.9-2.3-5.2-1m-10.8-8.1c-.7 1.3.3 2.9 2.3 3.9 1.6 1 3.6.7 4.3-.7.7-1.3-.3-2.9-2.3-3.9-2-.6-3.6-.3-4.3.7m32.4 35.6c-1.6 1.3-1 4.3 1.3 6.2 2.3 2.3 5.2 2.6 6.5 1 1.3-1.3.7-4.3-1.3-6.2-2.2-2.3-5.2-2.6-6.5-1m-11.4-14.7c-1.6 1-1.6 3.6 0 5.9s4.3 3.3 5.6 2.3c1.6-1.3 1.6-3.9 0-6.2-1.4-2.3-4-3.3-5.6-2"/></svg>
</div>
<div class="md-source__repository">
krahets/hello-algo
@@ -1429,7 +1391,7 @@
<div class="md-nav__link md-nav__container">
<a href="./" class="md-nav__link md-nav__link--active">
<a href="././" class="md-nav__link md-nav__link--active">
@@ -1475,7 +1437,7 @@
<li class="md-nav__item">
<a href="stack/" class="md-nav__link">
<a href="./stack/" class="md-nav__link">
@@ -1503,7 +1465,7 @@
<li class="md-nav__item">
<a href="queue/" class="md-nav__link">
<a href="./queue/" class="md-nav__link">
@@ -1531,7 +1493,7 @@
<li class="md-nav__item">
<a href="deque/" class="md-nav__link">
<a href="./deque/" class="md-nav__link">
@@ -1559,7 +1521,7 @@
<li class="md-nav__item">
<a href="summary/" class="md-nav__link">
<a href="./summary/" class="md-nav__link">
@@ -4247,6 +4209,7 @@
<div class="md-sidebar__inner">
<nav class="md-nav md-nav--secondary" aria-label="Содержание">
@@ -4299,7 +4262,7 @@
class="md-content__button md-icon"
>
<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 512 512"><!--! Font Awesome Free 7.1.0 by @fontawesome - https://fontawesome.com License - https://fontawesome.com/license/free (Icons: CC BY 4.0, Fonts: SIL OFL 1.1, Code: MIT License) Copyright 2025 Fonticons, Inc.--><path d="M441 58.9 453.1 71c9.4 9.4 9.4 24.6 0 33.9L424 134.1 377.9 88 407 58.9c9.4-9.4 24.6-9.4 33.9 0zM209.8 256.2 344 121.9l46.1 46.1-134.3 134.2c-2.9 2.9-6.5 5-10.4 6.1L186.9 325l16.7-58.5c1.1-3.9 3.2-7.5 6.1-10.4zM373.1 25 175.8 222.2c-8.7 8.7-15 19.4-18.3 31.1l-28.6 100c-2.4 8.4-.1 17.4 6.1 23.6s15.2 8.5 23.6 6.1l100-28.6c11.8-3.4 22.5-9.7 31.1-18.3L487 138.9c28.1-28.1 28.1-73.7 0-101.8L474.9 25c-28.1-28.1-73.7-28.1-101.8 0M88 64c-48.6 0-88 39.4-88 88v272c0 48.6 39.4 88 88 88h272c48.6 0 88-39.4 88-88V312c0-13.3-10.7-24-24-24s-24 10.7-24 24v112c0 22.1-17.9 40-40 40H88c-22.1 0-40-17.9-40-40V152c0-22.1 17.9-40 40-40h112c13.3 0 24-10.7 24-24s-10.7-24-24-24z"/></svg>
<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 512 512"><!--! Font Awesome Free 7.1.0 by @fontawesome - https://fontawesome.com License - https://fontawesome.com/license/free (Icons: CC BY 4.0, Fonts: SIL OFL 1.1, Code: MIT License) Copyright 2025 Fonticons, Inc.--><path fill="currentColor" d="M441 58.9 453.1 71c9.4 9.4 9.4 24.6 0 33.9L424 134.1 377.9 88 407 58.9c9.4-9.4 24.6-9.4 33.9 0zM209.8 256.2 344 121.9l46.1 46.1-134.3 134.2c-2.9 2.9-6.5 5-10.4 6.1L186.9 325l16.7-58.5c1.1-3.9 3.2-7.5 6.1-10.4zM373.1 25 175.8 222.2c-8.7 8.7-15 19.4-18.3 31.1l-28.6 100c-2.4 8.4-.1 17.4 6.1 23.6s15.2 8.5 23.6 6.1l100-28.6c11.8-3.4 22.5-9.7 31.1-18.3L487 138.9c28.1-28.1 28.1-73.7 0-101.8L474.9 25c-28.1-28.1-73.7-28.1-101.8 0M88 64c-48.6 0-88 39.4-88 88v272c0 48.6 39.4 88 88 88h272c48.6 0 88-39.4 88-88V312c0-13.3-10.7-24-24-24s-24 10.7-24 24v112c0 22.1-17.9 40-40 40H88c-22.1 0-40-17.9-40-40V152c0-22.1 17.9-40 40-40h112c13.3 0 24-10.7 24-24s-10.7-24-24-24z"/></svg>
</a>
@@ -4309,7 +4272,7 @@
<!-- Page content -->
<h1 id="5">Глава 5. &nbsp; Стек и очередь<a class="headerlink" href="#5" title="Permanent link">&para;</a></h1>
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<p class="admonition-title">Abstract</p>
<p>Стек похож на стопку кошек, а очередь - на очередь из кошек.</p>
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<svg xmlns="http://www.w3.org/2000/svg" fill="none" stroke="currentColor" stroke-linecap="round" stroke-linejoin="round" stroke-width="2" class="lucide lucide-menu" viewBox="0 0 24 24"><path d="M4 5h16M4 12h16M4 19h16"/></svg>
</label>
<div class="md-header__title" data-md-component="header-title">
<div class="md-header__ellipsis">
@@ -154,7 +150,7 @@
<div class="md-header__topic" data-md-component="header-topic">
<span class="md-ellipsis">
5.2 Очередь
5.2 &nbsp; Очередь
</span>
</div>
@@ -167,7 +163,7 @@
<input class="md-option" data-md-color-media="" data-md-color-scheme="default" data-md-color-primary="white" data-md-color-accent="teal" aria-label="Темная тема" type="radio" name="__palette" id="__palette_0">
<input class="md-option" data-md-color-media="none" data-md-color-scheme="default" data-md-color-primary="white" data-md-color-accent="teal" aria-label="Темная тема" type="radio" name="__palette" id="__palette_0">
<label class="md-header__button md-icon" title="Темная тема" for="__palette_1" hidden>
<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24"><path d="M7.5 2c-1.79 1.15-3 3.18-3 5.5s1.21 4.35 3.03 5.5C4.46 13 2 10.54 2 7.5A5.5 5.5 0 0 1 7.5 2m11.57 1.5 1.43 1.43L4.93 20.5 3.5 19.07zm-6.18 2.43L11.41 5 9.97 6l.42-1.7L9 3.24l1.75-.12.58-1.65L12 3.1l1.73.03-1.35 1.13zm-3.3 3.61-1.16-.73-1.12.78.34-1.32-1.09-.83 1.36-.09.45-1.29.51 1.27 1.36.03-1.05.87zM19 13.5a5.5 5.5 0 0 1-5.5 5.5c-1.22 0-2.35-.4-3.26-1.07l7.69-7.69c.67.91 1.07 2.04 1.07 3.26m-4.4 6.58 2.77-1.15-.24 3.35zm4.33-2.7 1.15-2.77 2.2 2.54zm1.15-4.96-1.14-2.78 3.34.24zM9.63 18.93l2.77 1.15-2.53 2.19z"/></svg>
@@ -177,7 +173,7 @@
<input class="md-option" data-md-color-media="" data-md-color-scheme="slate" data-md-color-primary="black" data-md-color-accent="teal" aria-label="Светлая тема" type="radio" name="__palette" id="__palette_1">
<input class="md-option" data-md-color-media="none" data-md-color-scheme="slate" data-md-color-primary="black" data-md-color-accent="teal" aria-label="Светлая тема" type="radio" name="__palette" id="__palette_1">
<label class="md-header__button md-icon" title="Светлая тема" for="__palette_0" hidden>
<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24"><path d="M7.5 2c-1.79 1.15-3 3.18-3 5.5s1.21 4.35 3.03 5.5C4.46 13 2 10.54 2 7.5A5.5 5.5 0 0 1 7.5 2m11.57 1.5 1.43 1.43L4.93 20.5 3.5 19.07zm-6.18 2.43L11.41 5 9.97 6l.42-1.7L9 3.24l1.75-.12.58-1.65L12 3.1l1.73.03-1.35 1.13zm-3.3 3.61-1.16-.73-1.12.78.34-1.32-1.09-.83 1.36-.09.45-1.29.51 1.27 1.36.03-1.05.87zM19 13.5a5.5 5.5 0 0 1-5.5 5.5c-1.22 0-2.35-.4-3.26-1.07l7.69-7.69c.67.91 1.07 2.04 1.07 3.26m-4.4 6.58 2.77-1.15-.24 3.35zm4.33-2.7 1.15-2.77 2.2 2.54zm1.15-4.96-1.14-2.78 3.34.24zM9.63 18.93l2.77 1.15-2.53 2.19z"/></svg>
@@ -195,7 +191,7 @@
<div class="md-select">
<button class="md-header__button md-icon" aria-label="Выберите язык">
<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24"><path d="m12.87 15.07-2.54-2.51.03-.03A17.5 17.5 0 0 0 14.07 6H17V4h-7V2H8v2H1v2h11.17C11.5 7.92 10.44 9.75 9 11.35 8.07 10.32 7.3 9.19 6.69 8h-2c.73 1.63 1.73 3.17 2.98 4.56l-5.09 5.02L4 19l5-5 3.11 3.11zM18.5 10h-2L12 22h2l1.12-3h4.75L21 22h2zm-2.62 7 1.62-4.33L19.12 17z"/></svg>
<svg xmlns="http://www.w3.org/2000/svg" fill="none" stroke="currentColor" stroke-linecap="round" stroke-linejoin="round" stroke-width="2" class="lucide lucide-languages" viewBox="0 0 24 24"><path d="m5 8 6 6M4 14l6-6 2-3M2 5h12M7 2h1M22 22l-5-10-5 10M14 18h6"/></svg>
</button>
<div class="md-select__inner">
<ul class="md-select__list">
@@ -238,64 +234,30 @@
<label class="md-header__button md-icon" for="__search">
<label class="md-header__button md-icon" for="__search" aria-label="Поиск">
<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24"><path d="M9.5 3A6.5 6.5 0 0 1 16 9.5c0 1.61-.59 3.09-1.56 4.23l.27.27h.79l5 5-1.5 1.5-5-5v-.79l-.27-.27A6.52 6.52 0 0 1 9.5 16 6.5 6.5 0 0 1 3 9.5 6.5 6.5 0 0 1 9.5 3m0 2C7 5 5 7 5 9.5S7 14 9.5 14 14 12 14 9.5 12 5 9.5 5"/></svg>
<svg xmlns="http://www.w3.org/2000/svg" fill="none" stroke="currentColor" stroke-linecap="round" stroke-linejoin="round" stroke-width="2" class="lucide lucide-search" viewBox="0 0 24 24"><path d="m21 21-4.34-4.34"/><circle cx="11" cy="11" r="8"/></svg>
</label>
<div class="md-search" data-md-component="search" role="dialog">
<label class="md-search__overlay" for="__search"></label>
<div class="md-search__inner" role="search">
<form class="md-search__form" name="search">
<input type="text" class="md-search__input" name="query" aria-label="Поиск" placeholder="Поиск" autocapitalize="off" autocorrect="off" autocomplete="off" spellcheck="false" data-md-component="search-query" required>
<label class="md-search__icon md-icon" for="__search">
<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24"><path d="M9.5 3A6.5 6.5 0 0 1 16 9.5c0 1.61-.59 3.09-1.56 4.23l.27.27h.79l5 5-1.5 1.5-5-5v-.79l-.27-.27A6.52 6.52 0 0 1 9.5 16 6.5 6.5 0 0 1 3 9.5 6.5 6.5 0 0 1 9.5 3m0 2C7 5 5 7 5 9.5S7 14 9.5 14 14 12 14 9.5 12 5 9.5 5"/></svg>
<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24"><path d="M20 11v2H8l5.5 5.5-1.42 1.42L4.16 12l7.92-7.92L13.5 5.5 8 11z"/></svg>
</label>
<nav class="md-search__options" aria-label="Поиск">
<a href="javascript:void(0)" class="md-search__icon md-icon" title="Поделиться" aria-label="Поделиться" data-clipboard data-clipboard-text="" data-md-component="search-share" tabindex="-1">
<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24"><path d="M18 16.08c-.76 0-1.44.3-1.96.77L8.91 12.7c.05-.23.09-.46.09-.7s-.04-.47-.09-.7l7.05-4.11c.54.5 1.25.81 2.04.81a3 3 0 0 0 3-3 3 3 0 0 0-3-3 3 3 0 0 0-3 3c0 .24.04.47.09.7L8.04 9.81C7.5 9.31 6.79 9 6 9a3 3 0 0 0-3 3 3 3 0 0 0 3 3c.79 0 1.5-.31 2.04-.81l7.12 4.15c-.05.21-.08.43-.08.66 0 1.61 1.31 2.91 2.92 2.91s2.92-1.3 2.92-2.91A2.92 2.92 0 0 0 18 16.08"/></svg>
</a>
<button type="reset" class="md-search__icon md-icon" title="Очистить" aria-label="Очистить" tabindex="-1">
<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24"><path d="M19 6.41 17.59 5 12 10.59 6.41 5 5 6.41 10.59 12 5 17.59 6.41 19 12 13.41 17.59 19 19 17.59 13.41 12z"/></svg>
</button>
</nav>
<div class="md-search__suggest" data-md-component="search-suggest"></div>
</form>
<div class="md-search__output">
<div class="md-search__scrollwrap" tabindex="0" data-md-scrollfix>
<div class="md-search-result" data-md-component="search-result">
<div class="md-search-result__meta">
Инициализация поиска
</div>
<ol class="md-search-result__list" role="presentation"></ol>
</div>
</div>
</div>
</div>
<div class="md-search" data-md-component="search" role="dialog" aria-label="Поиск">
<button type="button" class="md-search__button">
Поиск
</button>
</div>
<div class="md-header__source">
<div class="md-header__source">
<a href="https://github.com/krahets/hello-algo" title="Перейти к репозиторию" class="md-source" data-md-component="source">
<div class="md-source__icon md-icon">
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</div>
<div class="md-source__repository">
krahets/hello-algo
</div>
</a>
</div>
</div>
</nav>
</header>
@@ -323,7 +285,7 @@
<label class="md-nav__title" for="__drawer">
<a href="../.." title="Hello Algo" class="md-nav__button md-logo" aria-label="Hello Algo" data-md-component="logo">
<img src="../../assets/images/logo.svg" alt="logo">
<img src="../../assets/images/logo.svg" alt="Hello Algo">
</a>
Hello Algo
@@ -333,7 +295,7 @@
<a href="https://github.com/krahets/hello-algo" title="Перейти к репозиторию" class="md-source" data-md-component="source">
<div class="md-source__icon md-icon">
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</div>
<div class="md-source__repository">
krahets/hello-algo
@@ -1530,7 +1492,7 @@
<span class="md-nav__icon md-icon"></span>
</label>
<a href="./" class="md-nav__link md-nav__link--active">
<a href="././" class="md-nav__link md-nav__link--active">
@@ -1549,6 +1511,7 @@
<nav class="md-nav md-nav--secondary" aria-label="Содержание">
@@ -1582,7 +1545,7 @@
</span>
</a>
<nav class="md-nav" aria-label="5.2.2   Реализация очереди">
<nav class="md-nav" aria-label="5.2.2 Реализация очереди">
<ul class="md-nav__list">
<li class="md-nav__item">
@@ -4355,6 +4318,7 @@
<div class="md-sidebar__inner">
<nav class="md-nav md-nav--secondary" aria-label="Содержание">
@@ -4388,7 +4352,7 @@
</span>
</a>
<nav class="md-nav" aria-label="5.2.2   Реализация очереди">
<nav class="md-nav" aria-label="5.2.2 Реализация очереди">
<ul class="md-nav__list">
<li class="md-nav__item">
@@ -4457,7 +4421,7 @@
class="md-content__button md-icon"
>
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<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 512 512"><!--! Font Awesome Free 7.1.0 by @fontawesome - https://fontawesome.com License - https://fontawesome.com/license/free (Icons: CC BY 4.0, Fonts: SIL OFL 1.1, Code: MIT License) Copyright 2025 Fonticons, Inc.--><path fill="currentColor" d="M441 58.9 453.1 71c9.4 9.4 9.4 24.6 0 33.9L424 134.1 377.9 88 407 58.9c9.4-9.4 24.6-9.4 33.9 0zM209.8 256.2 344 121.9l46.1 46.1-134.3 134.2c-2.9 2.9-6.5 5-10.4 6.1L186.9 325l16.7-58.5c1.1-3.9 3.2-7.5 6.1-10.4zM373.1 25 175.8 222.2c-8.7 8.7-15 19.4-18.3 31.1l-28.6 100c-2.4 8.4-.1 17.4 6.1 23.6s15.2 8.5 23.6 6.1l100-28.6c11.8-3.4 22.5-9.7 31.1-18.3L487 138.9c28.1-28.1 28.1-73.7 0-101.8L474.9 25c-28.1-28.1-73.7-28.1-101.8 0M88 64c-48.6 0-88 39.4-88 88v272c0 48.6 39.4 88 88 88h272c48.6 0 88-39.4 88-88V312c0-13.3-10.7-24-24-24s-24 10.7-24 24v112c0 22.1-17.9 40-40 40H88c-22.1 0-40-17.9-40-40V152c0-22.1 17.9-40 40-40h112c13.3 0 24-10.7 24-24s-10.7-24-24-24z"/></svg>
</a>
@@ -4469,7 +4433,7 @@
<h1 id="52">5.2 &nbsp; Очередь<a class="headerlink" href="#52" title="Permanent link">&para;</a></h1>
<p><u>Очередь (queue)</u> - это линейная структура данных, подчиняющаяся правилу "первым пришел - первым вышел". Как видно из названия, очередь моделирует обычную ситуацию ожидания: новые люди непрерывно присоединяются к хвосту очереди, а стоящие в начале по одному уходят.</p>
<p>Как показано на рисунке 5-4, начало очереди называется "головой очереди", а конец - "хвостом очереди"; операцию добавления элемента в хвост называют "enqueue", а операцию удаления элемента из головы - "dequeue".</p>
<p><a class="glightbox" href="../queue.assets/queue_operations.png" data-type="image" data-width="100%" data-height="auto" data-desc-position="bottom"><img alt="Правило FIFO для очереди" class="animation-figure" src="../queue.assets/queue_operations.png" /></a></p>
<p><img alt="Правило FIFO для очереди" class="animation-figure" src="../queue.assets/queue_operations.png" /></p>
<p align="center"> Рисунок 5-4 &nbsp; Правило FIFO для очереди </p>
<h2 id="521">5.2.1 &nbsp; Основные операции с очередью<a class="headerlink" href="#521" title="Permanent link">&para;</a></h2>
@@ -4830,13 +4794,13 @@
<div class="tabbed-set tabbed-alternate" data-tabs="2:3"><input checked="checked" id="__tabbed_2_1" name="__tabbed_2" type="radio" /><input id="__tabbed_2_2" name="__tabbed_2" type="radio" /><input id="__tabbed_2_3" name="__tabbed_2" type="radio" /><div class="tabbed-labels"><label for="__tabbed_2_1">LinkedListQueue</label><label for="__tabbed_2_2">push()</label><label for="__tabbed_2_3">pop()</label></div>
<div class="tabbed-content">
<div class="tabbed-block">
<p><a class="glightbox" href="../queue.assets/linkedlist_queue_step1.png" data-type="image" data-width="100%" data-height="auto" data-desc-position="bottom"><img alt="Операции enqueue и dequeue в реализации очереди на связном списке" class="animation-figure" src="../queue.assets/linkedlist_queue_step1.png" /></a></p>
<p><img alt="Операции enqueue и dequeue в реализации очереди на связном списке" class="animation-figure" src="../queue.assets/linkedlist_queue_step1.png" /></p>
</div>
<div class="tabbed-block">
<p><a class="glightbox" href="../queue.assets/linkedlist_queue_step2_push.png" data-type="image" data-width="100%" data-height="auto" data-desc-position="bottom"><img alt="linkedlist_queue_push" class="animation-figure" src="../queue.assets/linkedlist_queue_step2_push.png" /></a></p>
<p><img alt="linkedlist_queue_push" class="animation-figure" src="../queue.assets/linkedlist_queue_step2_push.png" /></p>
</div>
<div class="tabbed-block">
<p><a class="glightbox" href="../queue.assets/linkedlist_queue_step3_pop.png" data-type="image" data-width="100%" data-height="auto" data-desc-position="bottom"><img alt="linkedlist_queue_pop" class="animation-figure" src="../queue.assets/linkedlist_queue_step3_pop.png" /></a></p>
<p><img alt="linkedlist_queue_pop" class="animation-figure" src="../queue.assets/linkedlist_queue_step3_pop.png" /></p>
</div>
</div>
</div>
@@ -5674,76 +5638,68 @@
</code></pre></div>
</div>
<div class="tabbed-block">
<div class="highlight"><span class="filename">linkedlist_queue.rb</span><pre><span></span><code><a id="__codelineno-25-1" name="__codelineno-25-1" href="#__codelineno-25-1"></a><span class="cm">=begin</span>
<a id="__codelineno-25-2" name="__codelineno-25-2" href="#__codelineno-25-2"></a><span class="cm">File: linkedlist_queue.rb</span>
<a id="__codelineno-25-3" name="__codelineno-25-3" href="#__codelineno-25-3"></a><span class="cm">Created Time: 2024-04-06</span>
<a id="__codelineno-25-4" name="__codelineno-25-4" href="#__codelineno-25-4"></a><span class="cm">Author: Xuan Khoa Tu Nguyen (ngxktuzkai2000@gmail.com)</span>
<a id="__codelineno-25-5" name="__codelineno-25-5" href="#__codelineno-25-5"></a><span class="cm">=end</span>
<a id="__codelineno-25-6" name="__codelineno-25-6" href="#__codelineno-25-6"></a>
<a id="__codelineno-25-7" name="__codelineno-25-7" href="#__codelineno-25-7"></a><span class="n">require_relative</span><span class="w"> </span><span class="s1">&#39;../utils/list_node&#39;</span>
<a id="__codelineno-25-8" name="__codelineno-25-8" href="#__codelineno-25-8"></a>
<a id="__codelineno-25-9" name="__codelineno-25-9" href="#__codelineno-25-9"></a><span class="c1"># ## Очередь на основе связного списка ###</span>
<a id="__codelineno-25-10" name="__codelineno-25-10" href="#__codelineno-25-10"></a><span class="k">class</span><span class="w"> </span><span class="nc">LinkedListQueue</span>
<a id="__codelineno-25-11" name="__codelineno-25-11" href="#__codelineno-25-11"></a><span class="w"> </span><span class="c1"># ## Получение длины очереди ###</span>
<a id="__codelineno-25-12" name="__codelineno-25-12" href="#__codelineno-25-12"></a><span class="w"> </span><span class="kp">attr_reader</span><span class="w"> </span><span class="ss">:size</span>
<a id="__codelineno-25-13" name="__codelineno-25-13" href="#__codelineno-25-13"></a>
<a id="__codelineno-25-14" name="__codelineno-25-14" href="#__codelineno-25-14"></a><span class="w"> </span><span class="c1"># ## Конструктор ###</span>
<a id="__codelineno-25-15" name="__codelineno-25-15" href="#__codelineno-25-15"></a><span class="w"> </span><span class="k">def</span><span class="w"> </span><span class="nf">initialize</span>
<a id="__codelineno-25-16" name="__codelineno-25-16" href="#__codelineno-25-16"></a><span class="w"> </span><span class="vi">@front</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="kp">nil</span><span class="w"> </span><span class="c1"># Головной узел front</span>
<a id="__codelineno-25-17" name="__codelineno-25-17" href="#__codelineno-25-17"></a><span class="w"> </span><span class="vi">@rear</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="kp">nil</span><span class="w"> </span><span class="c1"># Хвостовой узел rear</span>
<a id="__codelineno-25-18" name="__codelineno-25-18" href="#__codelineno-25-18"></a><span class="w"> </span><span class="vi">@size</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="mi">0</span>
<a id="__codelineno-25-19" name="__codelineno-25-19" href="#__codelineno-25-19"></a><span class="w"> </span><span class="k">end</span>
<a id="__codelineno-25-20" name="__codelineno-25-20" href="#__codelineno-25-20"></a>
<a id="__codelineno-25-21" name="__codelineno-25-21" href="#__codelineno-25-21"></a><span class="w"> </span><span class="c1"># ## Проверка, пуста ли очередь ###</span>
<a id="__codelineno-25-22" name="__codelineno-25-22" href="#__codelineno-25-22"></a><span class="w"> </span><span class="k">def</span><span class="w"> </span><span class="nf">is_empty?</span>
<a id="__codelineno-25-23" name="__codelineno-25-23" href="#__codelineno-25-23"></a><span class="w"> </span><span class="vi">@front</span><span class="o">.</span><span class="n">nil?</span>
<a id="__codelineno-25-24" name="__codelineno-25-24" href="#__codelineno-25-24"></a><span class="w"> </span><span class="k">end</span>
<a id="__codelineno-25-25" name="__codelineno-25-25" href="#__codelineno-25-25"></a>
<a id="__codelineno-25-26" name="__codelineno-25-26" href="#__codelineno-25-26"></a><span class="w"> </span><span class="c1"># ## Добавление в очередь ###</span>
<a id="__codelineno-25-27" name="__codelineno-25-27" href="#__codelineno-25-27"></a><span class="w"> </span><span class="k">def</span><span class="w"> </span><span class="nf">push</span><span class="p">(</span><span class="n">num</span><span class="p">)</span>
<a id="__codelineno-25-28" name="__codelineno-25-28" href="#__codelineno-25-28"></a><span class="w"> </span><span class="c1"># Добавить num после хвостового узла</span>
<a id="__codelineno-25-29" name="__codelineno-25-29" href="#__codelineno-25-29"></a><span class="w"> </span><span class="n">node</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="no">ListNode</span><span class="o">.</span><span class="n">new</span><span class="p">(</span><span class="n">num</span><span class="p">)</span>
<a id="__codelineno-25-30" name="__codelineno-25-30" href="#__codelineno-25-30"></a>
<a id="__codelineno-25-31" name="__codelineno-25-31" href="#__codelineno-25-31"></a><span class="w"> </span><span class="c1"># Если очередь пуста, сделать так, чтобы и head, и tail указывали на этот узел</span>
<a id="__codelineno-25-32" name="__codelineno-25-32" href="#__codelineno-25-32"></a><span class="w"> </span><span class="k">if</span><span class="w"> </span><span class="vi">@front</span><span class="o">.</span><span class="n">nil?</span>
<a id="__codelineno-25-33" name="__codelineno-25-33" href="#__codelineno-25-33"></a><span class="w"> </span><span class="vi">@front</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="n">node</span>
<a id="__codelineno-25-34" name="__codelineno-25-34" href="#__codelineno-25-34"></a><span class="w"> </span><span class="vi">@rear</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="n">node</span>
<a id="__codelineno-25-35" name="__codelineno-25-35" href="#__codelineno-25-35"></a><span class="w"> </span><span class="c1"># Если очередь не пуста, добавить этот узел после хвостового узла</span>
<a id="__codelineno-25-36" name="__codelineno-25-36" href="#__codelineno-25-36"></a><span class="w"> </span><span class="k">else</span>
<a id="__codelineno-25-37" name="__codelineno-25-37" href="#__codelineno-25-37"></a><span class="w"> </span><span class="vi">@rear</span><span class="o">.</span><span class="n">next</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="n">node</span>
<a id="__codelineno-25-38" name="__codelineno-25-38" href="#__codelineno-25-38"></a><span class="w"> </span><span class="vi">@rear</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="n">node</span>
<a id="__codelineno-25-39" name="__codelineno-25-39" href="#__codelineno-25-39"></a><span class="w"> </span><span class="k">end</span>
<a id="__codelineno-25-40" name="__codelineno-25-40" href="#__codelineno-25-40"></a>
<a id="__codelineno-25-41" name="__codelineno-25-41" href="#__codelineno-25-41"></a><span class="w"> </span><span class="vi">@size</span><span class="w"> </span><span class="o">+=</span><span class="w"> </span><span class="mi">1</span>
<a id="__codelineno-25-42" name="__codelineno-25-42" href="#__codelineno-25-42"></a><span class="w"> </span><span class="k">end</span>
<a id="__codelineno-25-43" name="__codelineno-25-43" href="#__codelineno-25-43"></a>
<a id="__codelineno-25-44" name="__codelineno-25-44" href="#__codelineno-25-44"></a><span class="w"> </span><span class="c1"># ## Извлечение из очереди ###</span>
<a id="__codelineno-25-45" name="__codelineno-25-45" href="#__codelineno-25-45"></a><span class="w"> </span><span class="k">def</span><span class="w"> </span><span class="nf">pop</span>
<a id="__codelineno-25-46" name="__codelineno-25-46" href="#__codelineno-25-46"></a><span class="w"> </span><span class="n">num</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="n">peek</span>
<a id="__codelineno-25-47" name="__codelineno-25-47" href="#__codelineno-25-47"></a><span class="w"> </span><span class="c1"># Удалить головной узел</span>
<a id="__codelineno-25-48" name="__codelineno-25-48" href="#__codelineno-25-48"></a><span class="w"> </span><span class="vi">@front</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="vi">@front</span><span class="o">.</span><span class="n">next</span>
<a id="__codelineno-25-49" name="__codelineno-25-49" href="#__codelineno-25-49"></a><span class="w"> </span><span class="vi">@size</span><span class="w"> </span><span class="o">-=</span><span class="w"> </span><span class="mi">1</span>
<a id="__codelineno-25-50" name="__codelineno-25-50" href="#__codelineno-25-50"></a><span class="w"> </span><span class="n">num</span>
<a id="__codelineno-25-51" name="__codelineno-25-51" href="#__codelineno-25-51"></a><span class="w"> </span><span class="k">end</span>
<a id="__codelineno-25-52" name="__codelineno-25-52" href="#__codelineno-25-52"></a>
<a id="__codelineno-25-53" name="__codelineno-25-53" href="#__codelineno-25-53"></a><span class="w"> </span><span class="c1"># ## Доступ к элементу в начале очереди ###</span>
<a id="__codelineno-25-54" name="__codelineno-25-54" href="#__codelineno-25-54"></a><span class="w"> </span><span class="k">def</span><span class="w"> </span><span class="nf">peek</span>
<a id="__codelineno-25-55" name="__codelineno-25-55" href="#__codelineno-25-55"></a><span class="w"> </span><span class="k">raise</span><span class="w"> </span><span class="no">IndexError</span><span class="p">,</span><span class="w"> </span><span class="s1">&#39;очередь пуста&#39;</span><span class="w"> </span><span class="k">if</span><span class="w"> </span><span class="n">is_empty?</span>
<a id="__codelineno-25-56" name="__codelineno-25-56" href="#__codelineno-25-56"></a>
<a id="__codelineno-25-57" name="__codelineno-25-57" href="#__codelineno-25-57"></a><span class="w"> </span><span class="vi">@front</span><span class="o">.</span><span class="n">val</span>
<a id="__codelineno-25-58" name="__codelineno-25-58" href="#__codelineno-25-58"></a><span class="w"> </span><span class="k">end</span>
<a id="__codelineno-25-59" name="__codelineno-25-59" href="#__codelineno-25-59"></a>
<a id="__codelineno-25-60" name="__codelineno-25-60" href="#__codelineno-25-60"></a><span class="w"> </span><span class="c1"># ## Преобразовать связный список в Array и вернуть ###</span>
<a id="__codelineno-25-61" name="__codelineno-25-61" href="#__codelineno-25-61"></a><span class="w"> </span><span class="k">def</span><span class="w"> </span><span class="nf">to_array</span>
<a id="__codelineno-25-62" name="__codelineno-25-62" href="#__codelineno-25-62"></a><span class="w"> </span><span class="n">queue</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="o">[]</span>
<a id="__codelineno-25-63" name="__codelineno-25-63" href="#__codelineno-25-63"></a><span class="w"> </span><span class="n">temp</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="vi">@front</span>
<a id="__codelineno-25-64" name="__codelineno-25-64" href="#__codelineno-25-64"></a><span class="w"> </span><span class="k">while</span><span class="w"> </span><span class="n">temp</span>
<a id="__codelineno-25-65" name="__codelineno-25-65" href="#__codelineno-25-65"></a><span class="w"> </span><span class="n">queue</span><span class="w"> </span><span class="o">&lt;&lt;</span><span class="w"> </span><span class="n">temp</span><span class="o">.</span><span class="n">val</span>
<a id="__codelineno-25-66" name="__codelineno-25-66" href="#__codelineno-25-66"></a><span class="w"> </span><span class="n">temp</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="n">temp</span><span class="o">.</span><span class="n">next</span>
<a id="__codelineno-25-67" name="__codelineno-25-67" href="#__codelineno-25-67"></a><span class="w"> </span><span class="k">end</span>
<a id="__codelineno-25-68" name="__codelineno-25-68" href="#__codelineno-25-68"></a><span class="w"> </span><span class="n">queue</span>
<a id="__codelineno-25-69" name="__codelineno-25-69" href="#__codelineno-25-69"></a><span class="w"> </span><span class="k">end</span>
<a id="__codelineno-25-70" name="__codelineno-25-70" href="#__codelineno-25-70"></a><span class="k">end</span>
<div class="highlight"><span class="filename">linkedlist_queue.rb</span><pre><span></span><code><a id="__codelineno-25-1" name="__codelineno-25-1" href="#__codelineno-25-1"></a><span class="c1">### Очередь на основе связного списка ###</span>
<a id="__codelineno-25-2" name="__codelineno-25-2" href="#__codelineno-25-2"></a><span class="k">class</span><span class="w"> </span><span class="nc">LinkedListQueue</span>
<a id="__codelineno-25-3" name="__codelineno-25-3" href="#__codelineno-25-3"></a><span class="w"> </span><span class="c1">### Получение длины очереди ###</span>
<a id="__codelineno-25-4" name="__codelineno-25-4" href="#__codelineno-25-4"></a><span class="w"> </span><span class="kp">attr_reader</span><span class="w"> </span><span class="ss">:size</span>
<a id="__codelineno-25-5" name="__codelineno-25-5" href="#__codelineno-25-5"></a>
<a id="__codelineno-25-6" name="__codelineno-25-6" href="#__codelineno-25-6"></a><span class="w"> </span><span class="c1">### Конструктор ###</span>
<a id="__codelineno-25-7" name="__codelineno-25-7" href="#__codelineno-25-7"></a><span class="w"> </span><span class="k">def</span><span class="w"> </span><span class="nf">initialize</span>
<a id="__codelineno-25-8" name="__codelineno-25-8" href="#__codelineno-25-8"></a><span class="w"> </span><span class="vi">@front</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="kp">nil</span><span class="w"> </span><span class="c1"># Головной узел front</span>
<a id="__codelineno-25-9" name="__codelineno-25-9" href="#__codelineno-25-9"></a><span class="w"> </span><span class="vi">@rear</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="kp">nil</span><span class="w"> </span><span class="c1"># Хвостовой узел rear</span>
<a id="__codelineno-25-10" name="__codelineno-25-10" href="#__codelineno-25-10"></a><span class="w"> </span><span class="vi">@size</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="mi">0</span>
<a id="__codelineno-25-11" name="__codelineno-25-11" href="#__codelineno-25-11"></a><span class="w"> </span><span class="k">end</span>
<a id="__codelineno-25-12" name="__codelineno-25-12" href="#__codelineno-25-12"></a>
<a id="__codelineno-25-13" name="__codelineno-25-13" href="#__codelineno-25-13"></a><span class="w"> </span><span class="c1">### Проверка, пуста ли очередь ###</span>
<a id="__codelineno-25-14" name="__codelineno-25-14" href="#__codelineno-25-14"></a><span class="w"> </span><span class="k">def</span><span class="w"> </span><span class="nf">is_empty?</span>
<a id="__codelineno-25-15" name="__codelineno-25-15" href="#__codelineno-25-15"></a><span class="w"> </span><span class="vi">@front</span><span class="o">.</span><span class="n">nil?</span>
<a id="__codelineno-25-16" name="__codelineno-25-16" href="#__codelineno-25-16"></a><span class="w"> </span><span class="k">end</span>
<a id="__codelineno-25-17" name="__codelineno-25-17" href="#__codelineno-25-17"></a>
<a id="__codelineno-25-18" name="__codelineno-25-18" href="#__codelineno-25-18"></a><span class="w"> </span><span class="c1">### Добавление в очередь ###</span>
<a id="__codelineno-25-19" name="__codelineno-25-19" href="#__codelineno-25-19"></a><span class="w"> </span><span class="k">def</span><span class="w"> </span><span class="nf">push</span><span class="p">(</span><span class="n">num</span><span class="p">)</span>
<a id="__codelineno-25-20" name="__codelineno-25-20" href="#__codelineno-25-20"></a><span class="w"> </span><span class="c1"># Добавить num после хвостового узла</span>
<a id="__codelineno-25-21" name="__codelineno-25-21" href="#__codelineno-25-21"></a><span class="w"> </span><span class="n">node</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="no">ListNode</span><span class="o">.</span><span class="n">new</span><span class="p">(</span><span class="n">num</span><span class="p">)</span>
<a id="__codelineno-25-22" name="__codelineno-25-22" href="#__codelineno-25-22"></a>
<a id="__codelineno-25-23" name="__codelineno-25-23" href="#__codelineno-25-23"></a><span class="w"> </span><span class="c1"># Если очередь пуста, сделать так, чтобы и head, и tail указывали на этот узел</span>
<a id="__codelineno-25-24" name="__codelineno-25-24" href="#__codelineno-25-24"></a><span class="w"> </span><span class="k">if</span><span class="w"> </span><span class="vi">@front</span><span class="o">.</span><span class="n">nil?</span>
<a id="__codelineno-25-25" name="__codelineno-25-25" href="#__codelineno-25-25"></a><span class="w"> </span><span class="vi">@front</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="n">node</span>
<a id="__codelineno-25-26" name="__codelineno-25-26" href="#__codelineno-25-26"></a><span class="w"> </span><span class="vi">@rear</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="n">node</span>
<a id="__codelineno-25-27" name="__codelineno-25-27" href="#__codelineno-25-27"></a><span class="w"> </span><span class="c1"># Если очередь не пуста, добавить этот узел после хвостового узла</span>
<a id="__codelineno-25-28" name="__codelineno-25-28" href="#__codelineno-25-28"></a><span class="w"> </span><span class="k">else</span>
<a id="__codelineno-25-29" name="__codelineno-25-29" href="#__codelineno-25-29"></a><span class="w"> </span><span class="vi">@rear</span><span class="o">.</span><span class="n">next</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="n">node</span>
<a id="__codelineno-25-30" name="__codelineno-25-30" href="#__codelineno-25-30"></a><span class="w"> </span><span class="vi">@rear</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="n">node</span>
<a id="__codelineno-25-31" name="__codelineno-25-31" href="#__codelineno-25-31"></a><span class="w"> </span><span class="k">end</span>
<a id="__codelineno-25-32" name="__codelineno-25-32" href="#__codelineno-25-32"></a>
<a id="__codelineno-25-33" name="__codelineno-25-33" href="#__codelineno-25-33"></a><span class="w"> </span><span class="vi">@size</span><span class="w"> </span><span class="o">+=</span><span class="w"> </span><span class="mi">1</span>
<a id="__codelineno-25-34" name="__codelineno-25-34" href="#__codelineno-25-34"></a><span class="w"> </span><span class="k">end</span>
<a id="__codelineno-25-35" name="__codelineno-25-35" href="#__codelineno-25-35"></a>
<a id="__codelineno-25-36" name="__codelineno-25-36" href="#__codelineno-25-36"></a><span class="w"> </span><span class="c1">### Извлечение из очереди ###</span>
<a id="__codelineno-25-37" name="__codelineno-25-37" href="#__codelineno-25-37"></a><span class="w"> </span><span class="k">def</span><span class="w"> </span><span class="nf">pop</span>
<a id="__codelineno-25-38" name="__codelineno-25-38" href="#__codelineno-25-38"></a><span class="w"> </span><span class="n">num</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="n">peek</span>
<a id="__codelineno-25-39" name="__codelineno-25-39" href="#__codelineno-25-39"></a><span class="w"> </span><span class="c1"># Удалить головной узел</span>
<a id="__codelineno-25-40" name="__codelineno-25-40" href="#__codelineno-25-40"></a><span class="w"> </span><span class="vi">@front</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="vi">@front</span><span class="o">.</span><span class="n">next</span>
<a id="__codelineno-25-41" name="__codelineno-25-41" href="#__codelineno-25-41"></a><span class="w"> </span><span class="vi">@size</span><span class="w"> </span><span class="o">-=</span><span class="w"> </span><span class="mi">1</span>
<a id="__codelineno-25-42" name="__codelineno-25-42" href="#__codelineno-25-42"></a><span class="w"> </span><span class="n">num</span>
<a id="__codelineno-25-43" name="__codelineno-25-43" href="#__codelineno-25-43"></a><span class="w"> </span><span class="k">end</span>
<a id="__codelineno-25-44" name="__codelineno-25-44" href="#__codelineno-25-44"></a>
<a id="__codelineno-25-45" name="__codelineno-25-45" href="#__codelineno-25-45"></a><span class="w"> </span><span class="c1">### Доступ к элементу в начале очереди ###</span>
<a id="__codelineno-25-46" name="__codelineno-25-46" href="#__codelineno-25-46"></a><span class="w"> </span><span class="k">def</span><span class="w"> </span><span class="nf">peek</span>
<a id="__codelineno-25-47" name="__codelineno-25-47" href="#__codelineno-25-47"></a><span class="w"> </span><span class="k">raise</span><span class="w"> </span><span class="no">IndexError</span><span class="p">,</span><span class="w"> </span><span class="s1">&#39;очередь пуста&#39;</span><span class="w"> </span><span class="k">if</span><span class="w"> </span><span class="n">is_empty?</span>
<a id="__codelineno-25-48" name="__codelineno-25-48" href="#__codelineno-25-48"></a>
<a id="__codelineno-25-49" name="__codelineno-25-49" href="#__codelineno-25-49"></a><span class="w"> </span><span class="vi">@front</span><span class="o">.</span><span class="n">val</span>
<a id="__codelineno-25-50" name="__codelineno-25-50" href="#__codelineno-25-50"></a><span class="w"> </span><span class="k">end</span>
<a id="__codelineno-25-51" name="__codelineno-25-51" href="#__codelineno-25-51"></a>
<a id="__codelineno-25-52" name="__codelineno-25-52" href="#__codelineno-25-52"></a><span class="w"> </span><span class="c1">### Преобразовать связный список в Array и вернуть ###</span>
<a id="__codelineno-25-53" name="__codelineno-25-53" href="#__codelineno-25-53"></a><span class="w"> </span><span class="k">def</span><span class="w"> </span><span class="nf">to_array</span>
<a id="__codelineno-25-54" name="__codelineno-25-54" href="#__codelineno-25-54"></a><span class="w"> </span><span class="n">queue</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="o">[]</span>
<a id="__codelineno-25-55" name="__codelineno-25-55" href="#__codelineno-25-55"></a><span class="w"> </span><span class="n">temp</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="vi">@front</span>
<a id="__codelineno-25-56" name="__codelineno-25-56" href="#__codelineno-25-56"></a><span class="w"> </span><span class="k">while</span><span class="w"> </span><span class="n">temp</span>
<a id="__codelineno-25-57" name="__codelineno-25-57" href="#__codelineno-25-57"></a><span class="w"> </span><span class="n">queue</span><span class="w"> </span><span class="o">&lt;&lt;</span><span class="w"> </span><span class="n">temp</span><span class="o">.</span><span class="n">val</span>
<a id="__codelineno-25-58" name="__codelineno-25-58" href="#__codelineno-25-58"></a><span class="w"> </span><span class="n">temp</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="n">temp</span><span class="o">.</span><span class="n">next</span>
<a id="__codelineno-25-59" name="__codelineno-25-59" href="#__codelineno-25-59"></a><span class="w"> </span><span class="k">end</span>
<a id="__codelineno-25-60" name="__codelineno-25-60" href="#__codelineno-25-60"></a><span class="w"> </span><span class="n">queue</span>
<a id="__codelineno-25-61" name="__codelineno-25-61" href="#__codelineno-25-61"></a><span class="w"> </span><span class="k">end</span>
<a id="__codelineno-25-62" name="__codelineno-25-62" href="#__codelineno-25-62"></a><span class="k">end</span>
</code></pre></div>
</div>
</div>
@@ -5765,13 +5721,13 @@
<div class="tabbed-set tabbed-alternate" data-tabs="4:3"><input checked="checked" id="__tabbed_4_1" name="__tabbed_4" type="radio" /><input id="__tabbed_4_2" name="__tabbed_4" type="radio" /><input id="__tabbed_4_3" name="__tabbed_4" type="radio" /><div class="tabbed-labels"><label for="__tabbed_4_1">ArrayQueue</label><label for="__tabbed_4_2">push()</label><label for="__tabbed_4_3">pop()</label></div>
<div class="tabbed-content">
<div class="tabbed-block">
<p><a class="glightbox" href="../queue.assets/array_queue_step1.png" data-type="image" data-width="100%" data-height="auto" data-desc-position="bottom"><img alt="Операции enqueue и dequeue в реализации очереди на массиве" class="animation-figure" src="../queue.assets/array_queue_step1.png" /></a></p>
<p><img alt="Операции enqueue и dequeue в реализации очереди на массиве" class="animation-figure" src="../queue.assets/array_queue_step1.png" /></p>
</div>
<div class="tabbed-block">
<p><a class="glightbox" href="../queue.assets/array_queue_step2_push.png" data-type="image" data-width="100%" data-height="auto" data-desc-position="bottom"><img alt="array_queue_push" class="animation-figure" src="../queue.assets/array_queue_step2_push.png" /></a></p>
<p><img alt="array_queue_push" class="animation-figure" src="../queue.assets/array_queue_step2_push.png" /></p>
</div>
<div class="tabbed-block">
<p><a class="glightbox" href="../queue.assets/array_queue_step3_pop.png" data-type="image" data-width="100%" data-height="auto" data-desc-position="bottom"><img alt="array_queue_pop" class="animation-figure" src="../queue.assets/array_queue_step3_pop.png" /></a></p>
<p><img alt="array_queue_pop" class="animation-figure" src="../queue.assets/array_queue_step3_pop.png" /></p>
</div>
</div>
</div>
@@ -6632,75 +6588,69 @@
</code></pre></div>
</div>
<div class="tabbed-block">
<div class="highlight"><span class="filename">array_queue.rb</span><pre><span></span><code><a id="__codelineno-38-1" name="__codelineno-38-1" href="#__codelineno-38-1"></a><span class="cm">=begin</span>
<a id="__codelineno-38-2" name="__codelineno-38-2" href="#__codelineno-38-2"></a><span class="cm">File: array_queue.rb</span>
<a id="__codelineno-38-3" name="__codelineno-38-3" href="#__codelineno-38-3"></a><span class="cm">Created Time: 2024-04-05</span>
<a id="__codelineno-38-4" name="__codelineno-38-4" href="#__codelineno-38-4"></a><span class="cm">Author: Xuan Khoa Tu Nguyen (ngxktuzkai2000@gmail.com)</span>
<a id="__codelineno-38-5" name="__codelineno-38-5" href="#__codelineno-38-5"></a><span class="cm">=end</span>
<a id="__codelineno-38-6" name="__codelineno-38-6" href="#__codelineno-38-6"></a>
<a id="__codelineno-38-7" name="__codelineno-38-7" href="#__codelineno-38-7"></a><span class="c1"># ## Очередь на основе кольцевого массива ###</span>
<a id="__codelineno-38-8" name="__codelineno-38-8" href="#__codelineno-38-8"></a><span class="k">class</span><span class="w"> </span><span class="nc">ArrayQueue</span>
<a id="__codelineno-38-9" name="__codelineno-38-9" href="#__codelineno-38-9"></a><span class="w"> </span><span class="c1"># ## Получение длины очереди ###</span>
<a id="__codelineno-38-10" name="__codelineno-38-10" href="#__codelineno-38-10"></a><span class="w"> </span><span class="kp">attr_reader</span><span class="w"> </span><span class="ss">:size</span>
<a id="__codelineno-38-11" name="__codelineno-38-11" href="#__codelineno-38-11"></a>
<a id="__codelineno-38-12" name="__codelineno-38-12" href="#__codelineno-38-12"></a><span class="w"> </span><span class="c1"># ## Конструктор ###</span>
<a id="__codelineno-38-13" name="__codelineno-38-13" href="#__codelineno-38-13"></a><span class="w"> </span><span class="k">def</span><span class="w"> </span><span class="nf">initialize</span><span class="p">(</span><span class="n">size</span><span class="p">)</span>
<a id="__codelineno-38-14" name="__codelineno-38-14" href="#__codelineno-38-14"></a><span class="w"> </span><span class="vi">@nums</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="nb">Array</span><span class="o">.</span><span class="n">new</span><span class="p">(</span><span class="n">size</span><span class="p">,</span><span class="w"> </span><span class="mi">0</span><span class="p">)</span><span class="w"> </span><span class="c1"># Массив для хранения элементов очереди</span>
<a id="__codelineno-38-15" name="__codelineno-38-15" href="#__codelineno-38-15"></a><span class="w"> </span><span class="vi">@front</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="mi">0</span><span class="w"> </span><span class="c1"># Указатель head, указывающий на первый элемент очереди</span>
<a id="__codelineno-38-16" name="__codelineno-38-16" href="#__codelineno-38-16"></a><span class="w"> </span><span class="vi">@size</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="mi">0</span><span class="w"> </span><span class="c1"># Длина очереди</span>
<a id="__codelineno-38-17" name="__codelineno-38-17" href="#__codelineno-38-17"></a><span class="w"> </span><span class="k">end</span>
<a id="__codelineno-38-18" name="__codelineno-38-18" href="#__codelineno-38-18"></a>
<a id="__codelineno-38-19" name="__codelineno-38-19" href="#__codelineno-38-19"></a><span class="w"> </span><span class="c1"># ## Получить вместимость очереди ###</span>
<a id="__codelineno-38-20" name="__codelineno-38-20" href="#__codelineno-38-20"></a><span class="w"> </span><span class="k">def</span><span class="w"> </span><span class="nf">capacity</span>
<a id="__codelineno-38-21" name="__codelineno-38-21" href="#__codelineno-38-21"></a><span class="w"> </span><span class="vi">@nums</span><span class="o">.</span><span class="n">length</span>
<a id="__codelineno-38-22" name="__codelineno-38-22" href="#__codelineno-38-22"></a><span class="w"> </span><span class="k">end</span>
<a id="__codelineno-38-23" name="__codelineno-38-23" href="#__codelineno-38-23"></a>
<a id="__codelineno-38-24" name="__codelineno-38-24" href="#__codelineno-38-24"></a><span class="w"> </span><span class="c1"># ## Проверка, пуста ли очередь ###</span>
<a id="__codelineno-38-25" name="__codelineno-38-25" href="#__codelineno-38-25"></a><span class="w"> </span><span class="k">def</span><span class="w"> </span><span class="nf">is_empty?</span>
<a id="__codelineno-38-26" name="__codelineno-38-26" href="#__codelineno-38-26"></a><span class="w"> </span><span class="n">size</span><span class="o">.</span><span class="n">zero?</span>
<a id="__codelineno-38-27" name="__codelineno-38-27" href="#__codelineno-38-27"></a><span class="w"> </span><span class="k">end</span>
<a id="__codelineno-38-28" name="__codelineno-38-28" href="#__codelineno-38-28"></a>
<a id="__codelineno-38-29" name="__codelineno-38-29" href="#__codelineno-38-29"></a><span class="w"> </span><span class="c1"># ## Добавление в очередь ###</span>
<a id="__codelineno-38-30" name="__codelineno-38-30" href="#__codelineno-38-30"></a><span class="w"> </span><span class="k">def</span><span class="w"> </span><span class="nf">push</span><span class="p">(</span><span class="n">num</span><span class="p">)</span>
<a id="__codelineno-38-31" name="__codelineno-38-31" href="#__codelineno-38-31"></a><span class="w"> </span><span class="k">raise</span><span class="w"> </span><span class="no">IndexError</span><span class="p">,</span><span class="w"> </span><span class="s1">&#39;очередь заполнена&#39;</span><span class="w"> </span><span class="k">if</span><span class="w"> </span><span class="n">size</span><span class="w"> </span><span class="o">==</span><span class="w"> </span><span class="n">capacity</span>
<a id="__codelineno-38-32" name="__codelineno-38-32" href="#__codelineno-38-32"></a>
<a id="__codelineno-38-33" name="__codelineno-38-33" href="#__codelineno-38-33"></a><span class="w"> </span><span class="c1"># Вычислить указатель хвоста, указывающий на индекс хвоста + 1</span>
<a id="__codelineno-38-34" name="__codelineno-38-34" href="#__codelineno-38-34"></a><span class="w"> </span><span class="c1"># С помощью операции взятия по модулю вернуть rear к началу после выхода за конец массива</span>
<a id="__codelineno-38-35" name="__codelineno-38-35" href="#__codelineno-38-35"></a><span class="w"> </span><span class="n">rear</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="p">(</span><span class="vi">@front</span><span class="w"> </span><span class="o">+</span><span class="w"> </span><span class="n">size</span><span class="p">)</span><span class="w"> </span><span class="o">%</span><span class="w"> </span><span class="n">capacity</span>
<a id="__codelineno-38-36" name="__codelineno-38-36" href="#__codelineno-38-36"></a><span class="w"> </span><span class="c1"># Добавить num в хвост очереди</span>
<a id="__codelineno-38-37" name="__codelineno-38-37" href="#__codelineno-38-37"></a><span class="w"> </span><span class="vi">@nums</span><span class="o">[</span><span class="n">rear</span><span class="o">]</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="n">num</span>
<a id="__codelineno-38-38" name="__codelineno-38-38" href="#__codelineno-38-38"></a><span class="w"> </span><span class="vi">@size</span><span class="w"> </span><span class="o">+=</span><span class="w"> </span><span class="mi">1</span>
<a id="__codelineno-38-39" name="__codelineno-38-39" href="#__codelineno-38-39"></a><span class="w"> </span><span class="k">end</span>
<a id="__codelineno-38-40" name="__codelineno-38-40" href="#__codelineno-38-40"></a>
<a id="__codelineno-38-41" name="__codelineno-38-41" href="#__codelineno-38-41"></a><span class="w"> </span><span class="c1"># ## Извлечение из очереди ###</span>
<a id="__codelineno-38-42" name="__codelineno-38-42" href="#__codelineno-38-42"></a><span class="w"> </span><span class="k">def</span><span class="w"> </span><span class="nf">pop</span>
<a id="__codelineno-38-43" name="__codelineno-38-43" href="#__codelineno-38-43"></a><span class="w"> </span><span class="n">num</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="n">peek</span>
<a id="__codelineno-38-44" name="__codelineno-38-44" href="#__codelineno-38-44"></a><span class="w"> </span><span class="c1"># Указатель head сдвигается на одну позицию назад; если он выходит за конец, то возвращается в начало массива</span>
<a id="__codelineno-38-45" name="__codelineno-38-45" href="#__codelineno-38-45"></a><span class="w"> </span><span class="vi">@front</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="p">(</span><span class="vi">@front</span><span class="w"> </span><span class="o">+</span><span class="w"> </span><span class="mi">1</span><span class="p">)</span><span class="w"> </span><span class="o">%</span><span class="w"> </span><span class="n">capacity</span>
<a id="__codelineno-38-46" name="__codelineno-38-46" href="#__codelineno-38-46"></a><span class="w"> </span><span class="vi">@size</span><span class="w"> </span><span class="o">-=</span><span class="w"> </span><span class="mi">1</span>
<a id="__codelineno-38-47" name="__codelineno-38-47" href="#__codelineno-38-47"></a><span class="w"> </span><span class="n">num</span>
<a id="__codelineno-38-48" name="__codelineno-38-48" href="#__codelineno-38-48"></a><span class="w"> </span><span class="k">end</span>
<a id="__codelineno-38-49" name="__codelineno-38-49" href="#__codelineno-38-49"></a>
<a id="__codelineno-38-50" name="__codelineno-38-50" href="#__codelineno-38-50"></a><span class="w"> </span><span class="c1"># ## Доступ к элементу в начале очереди ###</span>
<a id="__codelineno-38-51" name="__codelineno-38-51" href="#__codelineno-38-51"></a><span class="w"> </span><span class="k">def</span><span class="w"> </span><span class="nf">peek</span>
<a id="__codelineno-38-52" name="__codelineno-38-52" href="#__codelineno-38-52"></a><span class="w"> </span><span class="k">raise</span><span class="w"> </span><span class="no">IndexError</span><span class="p">,</span><span class="w"> </span><span class="s1">&#39;очередь пуста&#39;</span><span class="w"> </span><span class="k">if</span><span class="w"> </span><span class="n">is_empty?</span>
<a id="__codelineno-38-53" name="__codelineno-38-53" href="#__codelineno-38-53"></a>
<a id="__codelineno-38-54" name="__codelineno-38-54" href="#__codelineno-38-54"></a><span class="w"> </span><span class="vi">@nums</span><span class="o">[</span><span class="vi">@front</span><span class="o">]</span>
<a id="__codelineno-38-55" name="__codelineno-38-55" href="#__codelineno-38-55"></a><span class="w"> </span><span class="k">end</span>
<a id="__codelineno-38-56" name="__codelineno-38-56" href="#__codelineno-38-56"></a>
<a id="__codelineno-38-57" name="__codelineno-38-57" href="#__codelineno-38-57"></a><span class="w"> </span><span class="c1"># ## Вернуть список для вывода ###</span>
<a id="__codelineno-38-58" name="__codelineno-38-58" href="#__codelineno-38-58"></a><span class="w"> </span><span class="k">def</span><span class="w"> </span><span class="nf">to_array</span>
<a id="__codelineno-38-59" name="__codelineno-38-59" href="#__codelineno-38-59"></a><span class="w"> </span><span class="n">res</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="nb">Array</span><span class="o">.</span><span class="n">new</span><span class="p">(</span><span class="n">size</span><span class="p">,</span><span class="w"> </span><span class="mi">0</span><span class="p">)</span>
<a id="__codelineno-38-60" name="__codelineno-38-60" href="#__codelineno-38-60"></a><span class="w"> </span><span class="n">j</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="vi">@front</span>
<a id="__codelineno-38-61" name="__codelineno-38-61" href="#__codelineno-38-61"></a>
<a id="__codelineno-38-62" name="__codelineno-38-62" href="#__codelineno-38-62"></a><span class="w"> </span><span class="k">for</span><span class="w"> </span><span class="n">i</span><span class="w"> </span><span class="k">in</span><span class="w"> </span><span class="mi">0</span><span class="o">...</span><span class="n">size</span>
<a id="__codelineno-38-63" name="__codelineno-38-63" href="#__codelineno-38-63"></a><span class="w"> </span><span class="n">res</span><span class="o">[</span><span class="n">i</span><span class="o">]</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="vi">@nums</span><span class="o">[</span><span class="n">j</span><span class="w"> </span><span class="o">%</span><span class="w"> </span><span class="n">capacity</span><span class="o">]</span>
<a id="__codelineno-38-64" name="__codelineno-38-64" href="#__codelineno-38-64"></a><span class="w"> </span><span class="n">j</span><span class="w"> </span><span class="o">+=</span><span class="w"> </span><span class="mi">1</span>
<a id="__codelineno-38-65" name="__codelineno-38-65" href="#__codelineno-38-65"></a><span class="w"> </span><span class="k">end</span>
<a id="__codelineno-38-66" name="__codelineno-38-66" href="#__codelineno-38-66"></a>
<a id="__codelineno-38-67" name="__codelineno-38-67" href="#__codelineno-38-67"></a><span class="w"> </span><span class="n">res</span>
<a id="__codelineno-38-68" name="__codelineno-38-68" href="#__codelineno-38-68"></a><span class="w"> </span><span class="k">end</span>
<a id="__codelineno-38-69" name="__codelineno-38-69" href="#__codelineno-38-69"></a><span class="k">end</span>
<div class="highlight"><span class="filename">array_queue.rb</span><pre><span></span><code><a id="__codelineno-38-1" name="__codelineno-38-1" href="#__codelineno-38-1"></a><span class="c1">### Очередь на основе кольцевого массива ###</span>
<a id="__codelineno-38-2" name="__codelineno-38-2" href="#__codelineno-38-2"></a><span class="k">class</span><span class="w"> </span><span class="nc">ArrayQueue</span>
<a id="__codelineno-38-3" name="__codelineno-38-3" href="#__codelineno-38-3"></a><span class="w"> </span><span class="c1">### Получение длины очереди ###</span>
<a id="__codelineno-38-4" name="__codelineno-38-4" href="#__codelineno-38-4"></a><span class="w"> </span><span class="kp">attr_reader</span><span class="w"> </span><span class="ss">:size</span>
<a id="__codelineno-38-5" name="__codelineno-38-5" href="#__codelineno-38-5"></a>
<a id="__codelineno-38-6" name="__codelineno-38-6" href="#__codelineno-38-6"></a><span class="w"> </span><span class="c1">### Конструктор ###</span>
<a id="__codelineno-38-7" name="__codelineno-38-7" href="#__codelineno-38-7"></a><span class="w"> </span><span class="k">def</span><span class="w"> </span><span class="nf">initialize</span><span class="p">(</span><span class="n">size</span><span class="p">)</span>
<a id="__codelineno-38-8" name="__codelineno-38-8" href="#__codelineno-38-8"></a><span class="w"> </span><span class="vi">@nums</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="nb">Array</span><span class="o">.</span><span class="n">new</span><span class="p">(</span><span class="n">size</span><span class="p">,</span><span class="w"> </span><span class="mi">0</span><span class="p">)</span><span class="w"> </span><span class="c1"># Массив для хранения элементов очереди</span>
<a id="__codelineno-38-9" name="__codelineno-38-9" href="#__codelineno-38-9"></a><span class="w"> </span><span class="vi">@front</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="mi">0</span><span class="w"> </span><span class="c1"># Указатель head, указывающий на первый элемент очереди</span>
<a id="__codelineno-38-10" name="__codelineno-38-10" href="#__codelineno-38-10"></a><span class="w"> </span><span class="vi">@size</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="mi">0</span><span class="w"> </span><span class="c1"># Длина очереди</span>
<a id="__codelineno-38-11" name="__codelineno-38-11" href="#__codelineno-38-11"></a><span class="w"> </span><span class="k">end</span>
<a id="__codelineno-38-12" name="__codelineno-38-12" href="#__codelineno-38-12"></a>
<a id="__codelineno-38-13" name="__codelineno-38-13" href="#__codelineno-38-13"></a><span class="w"> </span><span class="c1">### Получить вместимость очереди ###</span>
<a id="__codelineno-38-14" name="__codelineno-38-14" href="#__codelineno-38-14"></a><span class="w"> </span><span class="k">def</span><span class="w"> </span><span class="nf">capacity</span>
<a id="__codelineno-38-15" name="__codelineno-38-15" href="#__codelineno-38-15"></a><span class="w"> </span><span class="vi">@nums</span><span class="o">.</span><span class="n">length</span>
<a id="__codelineno-38-16" name="__codelineno-38-16" href="#__codelineno-38-16"></a><span class="w"> </span><span class="k">end</span>
<a id="__codelineno-38-17" name="__codelineno-38-17" href="#__codelineno-38-17"></a>
<a id="__codelineno-38-18" name="__codelineno-38-18" href="#__codelineno-38-18"></a><span class="w"> </span><span class="c1">### Проверка, пуста ли очередь ###</span>
<a id="__codelineno-38-19" name="__codelineno-38-19" href="#__codelineno-38-19"></a><span class="w"> </span><span class="k">def</span><span class="w"> </span><span class="nf">is_empty?</span>
<a id="__codelineno-38-20" name="__codelineno-38-20" href="#__codelineno-38-20"></a><span class="w"> </span><span class="n">size</span><span class="o">.</span><span class="n">zero?</span>
<a id="__codelineno-38-21" name="__codelineno-38-21" href="#__codelineno-38-21"></a><span class="w"> </span><span class="k">end</span>
<a id="__codelineno-38-22" name="__codelineno-38-22" href="#__codelineno-38-22"></a>
<a id="__codelineno-38-23" name="__codelineno-38-23" href="#__codelineno-38-23"></a><span class="w"> </span><span class="c1">### Добавление в очередь ###</span>
<a id="__codelineno-38-24" name="__codelineno-38-24" href="#__codelineno-38-24"></a><span class="w"> </span><span class="k">def</span><span class="w"> </span><span class="nf">push</span><span class="p">(</span><span class="n">num</span><span class="p">)</span>
<a id="__codelineno-38-25" name="__codelineno-38-25" href="#__codelineno-38-25"></a><span class="w"> </span><span class="k">raise</span><span class="w"> </span><span class="no">IndexError</span><span class="p">,</span><span class="w"> </span><span class="s1">&#39;очередь заполнена&#39;</span><span class="w"> </span><span class="k">if</span><span class="w"> </span><span class="n">size</span><span class="w"> </span><span class="o">==</span><span class="w"> </span><span class="n">capacity</span>
<a id="__codelineno-38-26" name="__codelineno-38-26" href="#__codelineno-38-26"></a>
<a id="__codelineno-38-27" name="__codelineno-38-27" href="#__codelineno-38-27"></a><span class="w"> </span><span class="c1"># Вычислить указатель хвоста, указывающий на индекс хвоста + 1</span>
<a id="__codelineno-38-28" name="__codelineno-38-28" href="#__codelineno-38-28"></a><span class="w"> </span><span class="c1"># С помощью операции взятия по модулю вернуть rear к началу после выхода за конец массива</span>
<a id="__codelineno-38-29" name="__codelineno-38-29" href="#__codelineno-38-29"></a><span class="w"> </span><span class="n">rear</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="p">(</span><span class="vi">@front</span><span class="w"> </span><span class="o">+</span><span class="w"> </span><span class="n">size</span><span class="p">)</span><span class="w"> </span><span class="o">%</span><span class="w"> </span><span class="n">capacity</span>
<a id="__codelineno-38-30" name="__codelineno-38-30" href="#__codelineno-38-30"></a><span class="w"> </span><span class="c1"># Добавить num в хвост очереди</span>
<a id="__codelineno-38-31" name="__codelineno-38-31" href="#__codelineno-38-31"></a><span class="w"> </span><span class="vi">@nums</span><span class="o">[</span><span class="n">rear</span><span class="o">]</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="n">num</span>
<a id="__codelineno-38-32" name="__codelineno-38-32" href="#__codelineno-38-32"></a><span class="w"> </span><span class="vi">@size</span><span class="w"> </span><span class="o">+=</span><span class="w"> </span><span class="mi">1</span>
<a id="__codelineno-38-33" name="__codelineno-38-33" href="#__codelineno-38-33"></a><span class="w"> </span><span class="k">end</span>
<a id="__codelineno-38-34" name="__codelineno-38-34" href="#__codelineno-38-34"></a>
<a id="__codelineno-38-35" name="__codelineno-38-35" href="#__codelineno-38-35"></a><span class="w"> </span><span class="c1">### Извлечение из очереди ###</span>
<a id="__codelineno-38-36" name="__codelineno-38-36" href="#__codelineno-38-36"></a><span class="w"> </span><span class="k">def</span><span class="w"> </span><span class="nf">pop</span>
<a id="__codelineno-38-37" name="__codelineno-38-37" href="#__codelineno-38-37"></a><span class="w"> </span><span class="n">num</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="n">peek</span>
<a id="__codelineno-38-38" name="__codelineno-38-38" href="#__codelineno-38-38"></a><span class="w"> </span><span class="c1"># Указатель head сдвигается на одну позицию назад; если он выходит за конец, то возвращается в начало массива</span>
<a id="__codelineno-38-39" name="__codelineno-38-39" href="#__codelineno-38-39"></a><span class="w"> </span><span class="vi">@front</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="p">(</span><span class="vi">@front</span><span class="w"> </span><span class="o">+</span><span class="w"> </span><span class="mi">1</span><span class="p">)</span><span class="w"> </span><span class="o">%</span><span class="w"> </span><span class="n">capacity</span>
<a id="__codelineno-38-40" name="__codelineno-38-40" href="#__codelineno-38-40"></a><span class="w"> </span><span class="vi">@size</span><span class="w"> </span><span class="o">-=</span><span class="w"> </span><span class="mi">1</span>
<a id="__codelineno-38-41" name="__codelineno-38-41" href="#__codelineno-38-41"></a><span class="w"> </span><span class="n">num</span>
<a id="__codelineno-38-42" name="__codelineno-38-42" href="#__codelineno-38-42"></a><span class="w"> </span><span class="k">end</span>
<a id="__codelineno-38-43" name="__codelineno-38-43" href="#__codelineno-38-43"></a>
<a id="__codelineno-38-44" name="__codelineno-38-44" href="#__codelineno-38-44"></a><span class="w"> </span><span class="c1">### Доступ к элементу в начале очереди ###</span>
<a id="__codelineno-38-45" name="__codelineno-38-45" href="#__codelineno-38-45"></a><span class="w"> </span><span class="k">def</span><span class="w"> </span><span class="nf">peek</span>
<a id="__codelineno-38-46" name="__codelineno-38-46" href="#__codelineno-38-46"></a><span class="w"> </span><span class="k">raise</span><span class="w"> </span><span class="no">IndexError</span><span class="p">,</span><span class="w"> </span><span class="s1">&#39;очередь пуста&#39;</span><span class="w"> </span><span class="k">if</span><span class="w"> </span><span class="n">is_empty?</span>
<a id="__codelineno-38-47" name="__codelineno-38-47" href="#__codelineno-38-47"></a>
<a id="__codelineno-38-48" name="__codelineno-38-48" href="#__codelineno-38-48"></a><span class="w"> </span><span class="vi">@nums</span><span class="o">[</span><span class="vi">@front</span><span class="o">]</span>
<a id="__codelineno-38-49" name="__codelineno-38-49" href="#__codelineno-38-49"></a><span class="w"> </span><span class="k">end</span>
<a id="__codelineno-38-50" name="__codelineno-38-50" href="#__codelineno-38-50"></a>
<a id="__codelineno-38-51" name="__codelineno-38-51" href="#__codelineno-38-51"></a><span class="w"> </span><span class="c1">### Вернуть список для вывода ###</span>
<a id="__codelineno-38-52" name="__codelineno-38-52" href="#__codelineno-38-52"></a><span class="w"> </span><span class="k">def</span><span class="w"> </span><span class="nf">to_array</span>
<a id="__codelineno-38-53" name="__codelineno-38-53" href="#__codelineno-38-53"></a><span class="w"> </span><span class="n">res</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="nb">Array</span><span class="o">.</span><span class="n">new</span><span class="p">(</span><span class="n">size</span><span class="p">,</span><span class="w"> </span><span class="mi">0</span><span class="p">)</span>
<a id="__codelineno-38-54" name="__codelineno-38-54" href="#__codelineno-38-54"></a><span class="w"> </span><span class="n">j</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="vi">@front</span>
<a id="__codelineno-38-55" name="__codelineno-38-55" href="#__codelineno-38-55"></a>
<a id="__codelineno-38-56" name="__codelineno-38-56" href="#__codelineno-38-56"></a><span class="w"> </span><span class="k">for</span><span class="w"> </span><span class="n">i</span><span class="w"> </span><span class="k">in</span><span class="w"> </span><span class="mi">0</span><span class="o">...</span><span class="n">size</span>
<a id="__codelineno-38-57" name="__codelineno-38-57" href="#__codelineno-38-57"></a><span class="w"> </span><span class="n">res</span><span class="o">[</span><span class="n">i</span><span class="o">]</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="vi">@nums</span><span class="o">[</span><span class="n">j</span><span class="w"> </span><span class="o">%</span><span class="w"> </span><span class="n">capacity</span><span class="o">]</span>
<a id="__codelineno-38-58" name="__codelineno-38-58" href="#__codelineno-38-58"></a><span class="w"> </span><span class="n">j</span><span class="w"> </span><span class="o">+=</span><span class="w"> </span><span class="mi">1</span>
<a id="__codelineno-38-59" name="__codelineno-38-59" href="#__codelineno-38-59"></a><span class="w"> </span><span class="k">end</span>
<a id="__codelineno-38-60" name="__codelineno-38-60" href="#__codelineno-38-60"></a>
<a id="__codelineno-38-61" name="__codelineno-38-61" href="#__codelineno-38-61"></a><span class="w"> </span><span class="n">res</span>
<a id="__codelineno-38-62" name="__codelineno-38-62" href="#__codelineno-38-62"></a><span class="w"> </span><span class="k">end</span>
<a id="__codelineno-38-63" name="__codelineno-38-63" href="#__codelineno-38-63"></a><span class="k">end</span>
</code></pre></div>
</div>
</div>
@@ -6744,7 +6694,7 @@ aria-label="Нижний колонтитул"
>
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</div>
<div class="md-footer__title">
<span class="md-footer__direction">
@@ -6776,7 +6726,7 @@ aria-label="Нижний колонтитул"
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</div>
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@@ -6854,7 +6804,7 @@ aria-label="Нижний колонтитул"
<button type="button" class="md-top md-icon" data-md-component="top" hidden>
<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24"><path d="M13 20h-2V8l-5.5 5.5-1.42-1.42L12 4.16l7.92 7.92-1.42 1.42L13 8z"/></svg>
<svg xmlns="http://www.w3.org/2000/svg" fill="none" stroke="currentColor" stroke-linecap="round" stroke-linejoin="round" stroke-width="2" class="lucide lucide-circle-arrow-up" viewBox="0 0 24 24"><circle cx="12" cy="12" r="10"/><path d="m16 12-4-4-4 4M12 16V8"/></svg>
К началу
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@@ -6862,46 +6812,6 @@ aria-label="Нижний колонтитул"
<footer class="md-footer">
<nav class="md-footer__inner md-grid" aria-label="Нижний колонтитул" >
<a href="../stack/" class="md-footer__link md-footer__link--prev" aria-label="Назад: 5.1 Стек">
<div class="md-footer__button md-icon">
<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24"><path d="M20 11v2H8l5.5 5.5-1.42 1.42L4.16 12l7.92-7.92L13.5 5.5 8 11z"/></svg>
</div>
<div class="md-footer__title">
<span class="md-footer__direction">
Назад
</span>
<div class="md-ellipsis">
5.1 Стек
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</div>
</a>
<a href="../deque/" class="md-footer__link md-footer__link--next" aria-label="Вперед: 5.3 Двусторонняя очередь">
<div class="md-footer__title">
<span class="md-footer__direction">
Вперед
</span>
<div class="md-ellipsis">
5.3 Двусторонняя очередь
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</div>
<div class="md-footer__button md-icon">
<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24"><path d="M4 11v2h12l-5.5 5.5 1.42 1.42L19.84 12l-7.92-7.92L10.5 5.5 16 11z"/></svg>
</div>
</a>
</nav>
<div class="md-footer-meta md-typeset">
<div class="md-footer-meta__inner md-grid">
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@@ -6935,7 +6845,7 @@ aria-label="Нижний колонтитул"
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@@ -6946,7 +6856,7 @@ aria-label="Нижний колонтитул"
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ru/chapter_stack_and_queue/stack/index.html
+139 -231
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@@ -35,7 +35,7 @@
<link rel="icon" href="../../assets/images/favicon.png">
<meta name="generator" content="mkdocs-1.6.1, mkdocs-material-9.7.1">
<meta name="generator" content="zensical-0.0.29">
@@ -43,10 +43,15 @@
<link rel="stylesheet" href="../../assets/stylesheets/main.484c7ddc.min.css">
<link rel="stylesheet" href="../../assets/stylesheets/palette.ab4e12ef.min.css">
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<link rel="stylesheet" href="../../assets/stylesheets/modern/palette.dfe2e883.min.css">
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<script>__md_scope=new URL("../..",location),__md_hash=e=>[...e].reduce(((e,_)=>(e<<5)-e+_.charCodeAt(0)),0),__md_get=(e,_=localStorage,t=__md_scope)=>JSON.parse(_.getItem(t.pathname+"."+e)),__md_set=(e,_,t=localStorage,a=__md_scope)=>{try{t.setItem(a.pathname+"."+e,JSON.stringify(_))}catch(e){}}</script>
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html.glightbox-open { overflow: initial; height: 100%; }
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body[data-md-color-scheme="slate"] .gdesc-inner { background: var(--md-default-bg-color);}
body[data-md-color-scheme="slate"] .gslide-title { color: var(--md-default-fg-color);}
body[data-md-color-scheme="slate"] .gslide-desc { color: var(--md-default-fg-color);}</style> <script src="../../assets/javascripts/glightbox.min.js"></script></head>
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@@ -97,7 +93,7 @@
<input class="md-toggle" data-md-toggle="drawer" type="checkbox" id="__drawer" autocomplete="off">
<input class="md-toggle" data-md-toggle="search" type="checkbox" id="__search" autocomplete="off">
<label class="md-overlay" for="__drawer"></label>
<label class="md-overlay" for="__drawer" aria-label="Навигация"></label>
<div data-md-component="skip">
@@ -137,12 +133,12 @@
<nav class="md-header__inner md-grid" aria-label="Верхний колонтитул">
<a href="../.." title="Hello Algo" class="md-header__button md-logo" aria-label="Hello Algo" data-md-component="logo">
<img src="../../assets/images/logo.svg" alt="logo">
<img src="../../assets/images/logo.svg" alt="Hello Algo">
</a>
<label class="md-header__button md-icon" for="__drawer">
<label class="md-header__button md-icon" for="__drawer" aria-label="Навигация">
<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24"><path d="M3 6h18v2H3zm0 5h18v2H3zm0 5h18v2H3z"/></svg>
<svg xmlns="http://www.w3.org/2000/svg" fill="none" stroke="currentColor" stroke-linecap="round" stroke-linejoin="round" stroke-width="2" class="lucide lucide-menu" viewBox="0 0 24 24"><path d="M4 5h16M4 12h16M4 19h16"/></svg>
</label>
<div class="md-header__title" data-md-component="header-title">
<div class="md-header__ellipsis">
@@ -154,7 +150,7 @@
<div class="md-header__topic" data-md-component="header-topic">
<span class="md-ellipsis">
5.1 Стек
5.1 &nbsp; Стек
</span>
</div>
@@ -167,7 +163,7 @@
<input class="md-option" data-md-color-media="" data-md-color-scheme="default" data-md-color-primary="white" data-md-color-accent="teal" aria-label="Темная тема" type="radio" name="__palette" id="__palette_0">
<input class="md-option" data-md-color-media="none" data-md-color-scheme="default" data-md-color-primary="white" data-md-color-accent="teal" aria-label="Темная тема" type="radio" name="__palette" id="__palette_0">
<label class="md-header__button md-icon" title="Темная тема" for="__palette_1" hidden>
<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24"><path d="M7.5 2c-1.79 1.15-3 3.18-3 5.5s1.21 4.35 3.03 5.5C4.46 13 2 10.54 2 7.5A5.5 5.5 0 0 1 7.5 2m11.57 1.5 1.43 1.43L4.93 20.5 3.5 19.07zm-6.18 2.43L11.41 5 9.97 6l.42-1.7L9 3.24l1.75-.12.58-1.65L12 3.1l1.73.03-1.35 1.13zm-3.3 3.61-1.16-.73-1.12.78.34-1.32-1.09-.83 1.36-.09.45-1.29.51 1.27 1.36.03-1.05.87zM19 13.5a5.5 5.5 0 0 1-5.5 5.5c-1.22 0-2.35-.4-3.26-1.07l7.69-7.69c.67.91 1.07 2.04 1.07 3.26m-4.4 6.58 2.77-1.15-.24 3.35zm4.33-2.7 1.15-2.77 2.2 2.54zm1.15-4.96-1.14-2.78 3.34.24zM9.63 18.93l2.77 1.15-2.53 2.19z"/></svg>
@@ -177,7 +173,7 @@
<input class="md-option" data-md-color-media="" data-md-color-scheme="slate" data-md-color-primary="black" data-md-color-accent="teal" aria-label="Светлая тема" type="radio" name="__palette" id="__palette_1">
<input class="md-option" data-md-color-media="none" data-md-color-scheme="slate" data-md-color-primary="black" data-md-color-accent="teal" aria-label="Светлая тема" type="radio" name="__palette" id="__palette_1">
<label class="md-header__button md-icon" title="Светлая тема" for="__palette_0" hidden>
<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24"><path d="M7.5 2c-1.79 1.15-3 3.18-3 5.5s1.21 4.35 3.03 5.5C4.46 13 2 10.54 2 7.5A5.5 5.5 0 0 1 7.5 2m11.57 1.5 1.43 1.43L4.93 20.5 3.5 19.07zm-6.18 2.43L11.41 5 9.97 6l.42-1.7L9 3.24l1.75-.12.58-1.65L12 3.1l1.73.03-1.35 1.13zm-3.3 3.61-1.16-.73-1.12.78.34-1.32-1.09-.83 1.36-.09.45-1.29.51 1.27 1.36.03-1.05.87zM19 13.5a5.5 5.5 0 0 1-5.5 5.5c-1.22 0-2.35-.4-3.26-1.07l7.69-7.69c.67.91 1.07 2.04 1.07 3.26m-4.4 6.58 2.77-1.15-.24 3.35zm4.33-2.7 1.15-2.77 2.2 2.54zm1.15-4.96-1.14-2.78 3.34.24zM9.63 18.93l2.77 1.15-2.53 2.19z"/></svg>
@@ -195,7 +191,7 @@
<div class="md-select">
<button class="md-header__button md-icon" aria-label="Выберите язык">
<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24"><path d="m12.87 15.07-2.54-2.51.03-.03A17.5 17.5 0 0 0 14.07 6H17V4h-7V2H8v2H1v2h11.17C11.5 7.92 10.44 9.75 9 11.35 8.07 10.32 7.3 9.19 6.69 8h-2c.73 1.63 1.73 3.17 2.98 4.56l-5.09 5.02L4 19l5-5 3.11 3.11zM18.5 10h-2L12 22h2l1.12-3h4.75L21 22h2zm-2.62 7 1.62-4.33L19.12 17z"/></svg>
<svg xmlns="http://www.w3.org/2000/svg" fill="none" stroke="currentColor" stroke-linecap="round" stroke-linejoin="round" stroke-width="2" class="lucide lucide-languages" viewBox="0 0 24 24"><path d="m5 8 6 6M4 14l6-6 2-3M2 5h12M7 2h1M22 22l-5-10-5 10M14 18h6"/></svg>
</button>
<div class="md-select__inner">
<ul class="md-select__list">
@@ -238,64 +234,30 @@
<label class="md-header__button md-icon" for="__search">
<label class="md-header__button md-icon" for="__search" aria-label="Поиск">
<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24"><path d="M9.5 3A6.5 6.5 0 0 1 16 9.5c0 1.61-.59 3.09-1.56 4.23l.27.27h.79l5 5-1.5 1.5-5-5v-.79l-.27-.27A6.52 6.52 0 0 1 9.5 16 6.5 6.5 0 0 1 3 9.5 6.5 6.5 0 0 1 9.5 3m0 2C7 5 5 7 5 9.5S7 14 9.5 14 14 12 14 9.5 12 5 9.5 5"/></svg>
<svg xmlns="http://www.w3.org/2000/svg" fill="none" stroke="currentColor" stroke-linecap="round" stroke-linejoin="round" stroke-width="2" class="lucide lucide-search" viewBox="0 0 24 24"><path d="m21 21-4.34-4.34"/><circle cx="11" cy="11" r="8"/></svg>
</label>
<div class="md-search" data-md-component="search" role="dialog">
<label class="md-search__overlay" for="__search"></label>
<div class="md-search__inner" role="search">
<form class="md-search__form" name="search">
<input type="text" class="md-search__input" name="query" aria-label="Поиск" placeholder="Поиск" autocapitalize="off" autocorrect="off" autocomplete="off" spellcheck="false" data-md-component="search-query" required>
<label class="md-search__icon md-icon" for="__search">
<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24"><path d="M9.5 3A6.5 6.5 0 0 1 16 9.5c0 1.61-.59 3.09-1.56 4.23l.27.27h.79l5 5-1.5 1.5-5-5v-.79l-.27-.27A6.52 6.52 0 0 1 9.5 16 6.5 6.5 0 0 1 3 9.5 6.5 6.5 0 0 1 9.5 3m0 2C7 5 5 7 5 9.5S7 14 9.5 14 14 12 14 9.5 12 5 9.5 5"/></svg>
<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24"><path d="M20 11v2H8l5.5 5.5-1.42 1.42L4.16 12l7.92-7.92L13.5 5.5 8 11z"/></svg>
</label>
<nav class="md-search__options" aria-label="Поиск">
<a href="javascript:void(0)" class="md-search__icon md-icon" title="Поделиться" aria-label="Поделиться" data-clipboard data-clipboard-text="" data-md-component="search-share" tabindex="-1">
<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24"><path d="M18 16.08c-.76 0-1.44.3-1.96.77L8.91 12.7c.05-.23.09-.46.09-.7s-.04-.47-.09-.7l7.05-4.11c.54.5 1.25.81 2.04.81a3 3 0 0 0 3-3 3 3 0 0 0-3-3 3 3 0 0 0-3 3c0 .24.04.47.09.7L8.04 9.81C7.5 9.31 6.79 9 6 9a3 3 0 0 0-3 3 3 3 0 0 0 3 3c.79 0 1.5-.31 2.04-.81l7.12 4.15c-.05.21-.08.43-.08.66 0 1.61 1.31 2.91 2.92 2.91s2.92-1.3 2.92-2.91A2.92 2.92 0 0 0 18 16.08"/></svg>
</a>
<button type="reset" class="md-search__icon md-icon" title="Очистить" aria-label="Очистить" tabindex="-1">
<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24"><path d="M19 6.41 17.59 5 12 10.59 6.41 5 5 6.41 10.59 12 5 17.59 6.41 19 12 13.41 17.59 19 19 17.59 13.41 12z"/></svg>
</button>
</nav>
<div class="md-search__suggest" data-md-component="search-suggest"></div>
</form>
<div class="md-search__output">
<div class="md-search__scrollwrap" tabindex="0" data-md-scrollfix>
<div class="md-search-result" data-md-component="search-result">
<div class="md-search-result__meta">
Инициализация поиска
</div>
<ol class="md-search-result__list" role="presentation"></ol>
</div>
</div>
</div>
</div>
<div class="md-search" data-md-component="search" role="dialog" aria-label="Поиск">
<button type="button" class="md-search__button">
Поиск
</button>
</div>
<div class="md-header__source">
<div class="md-header__source">
<a href="https://github.com/krahets/hello-algo" title="Перейти к репозиторию" class="md-source" data-md-component="source">
<div class="md-source__icon md-icon">
<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 512 512"><!--! Font Awesome Free 7.1.0 by @fontawesome - https://fontawesome.com License - https://fontawesome.com/license/free (Icons: CC BY 4.0, Fonts: SIL OFL 1.1, Code: MIT License) Copyright 2025 Fonticons, Inc.--><path d="M173.9 397.4c0 2-2.3 3.6-5.2 3.6-3.3.3-5.6-1.3-5.6-3.6 0-2 2.3-3.6 5.2-3.6 3-.3 5.6 1.3 5.6 3.6m-31.1-4.5c-.7 2 1.3 4.3 4.3 4.9 2.6 1 5.6 0 6.2-2s-1.3-4.3-4.3-5.2c-2.6-.7-5.5.3-6.2 2.3m44.2-1.7c-2.9.7-4.9 2.6-4.6 4.9.3 2 2.9 3.3 5.9 2.6 2.9-.7 4.9-2.6 4.6-4.6-.3-1.9-3-3.2-5.9-2.9M252.8 8C114.1 8 8 113.3 8 252c0 110.9 69.8 205.8 169.5 239.2 12.8 2.3 17.3-5.6 17.3-12.1 0-6.2-.3-40.4-.3-61.4 0 0-70 15-84.7-29.8 0 0-11.4-29.1-27.8-36.6 0 0-22.9-15.7 1.6-15.4 0 0 24.9 2 38.6 25.8 21.9 38.6 58.6 27.5 72.9 20.9 2.3-16 8.8-27.1 16-33.7-55.9-6.2-112.3-14.3-112.3-110.5 0-27.5 7.6-41.3 23.6-58.9-2.6-6.5-11.1-33.3 2.6-67.9 20.9-6.5 69 27 69 27 20-5.6 41.5-8.5 62.8-8.5s42.8 2.9 62.8 8.5c0 0 48.1-33.6 69-27 13.7 34.7 5.2 61.4 2.6 67.9 16 17.7 25.8 31.5 25.8 58.9 0 96.5-58.9 104.2-114.8 110.5 9.2 7.9 17 22.9 17 46.4 0 33.7-.3 75.4-.3 83.6 0 6.5 4.6 14.4 17.3 12.1C436.2 457.8 504 362.9 504 252 504 113.3 391.5 8 252.8 8M105.2 352.9c-1.3 1-1 3.3.7 5.2 1.6 1.6 3.9 2.3 5.2 1 1.3-1 1-3.3-.7-5.2-1.6-1.6-3.9-2.3-5.2-1m-10.8-8.1c-.7 1.3.3 2.9 2.3 3.9 1.6 1 3.6.7 4.3-.7.7-1.3-.3-2.9-2.3-3.9-2-.6-3.6-.3-4.3.7m32.4 35.6c-1.6 1.3-1 4.3 1.3 6.2 2.3 2.3 5.2 2.6 6.5 1 1.3-1.3.7-4.3-1.3-6.2-2.2-2.3-5.2-2.6-6.5-1m-11.4-14.7c-1.6 1-1.6 3.6 0 5.9s4.3 3.3 5.6 2.3c1.6-1.3 1.6-3.9 0-6.2-1.4-2.3-4-3.3-5.6-2"/></svg>
<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 512 512"><!--! Font Awesome Free 7.1.0 by @fontawesome - https://fontawesome.com License - https://fontawesome.com/license/free (Icons: CC BY 4.0, Fonts: SIL OFL 1.1, Code: MIT License) Copyright 2025 Fonticons, Inc.--><path fill="currentColor" d="M173.9 397.4c0 2-2.3 3.6-5.2 3.6-3.3.3-5.6-1.3-5.6-3.6 0-2 2.3-3.6 5.2-3.6 3-.3 5.6 1.3 5.6 3.6m-31.1-4.5c-.7 2 1.3 4.3 4.3 4.9 2.6 1 5.6 0 6.2-2s-1.3-4.3-4.3-5.2c-2.6-.7-5.5.3-6.2 2.3m44.2-1.7c-2.9.7-4.9 2.6-4.6 4.9.3 2 2.9 3.3 5.9 2.6 2.9-.7 4.9-2.6 4.6-4.6-.3-1.9-3-3.2-5.9-2.9M252.8 8C114.1 8 8 113.3 8 252c0 110.9 69.8 205.8 169.5 239.2 12.8 2.3 17.3-5.6 17.3-12.1 0-6.2-.3-40.4-.3-61.4 0 0-70 15-84.7-29.8 0 0-11.4-29.1-27.8-36.6 0 0-22.9-15.7 1.6-15.4 0 0 24.9 2 38.6 25.8 21.9 38.6 58.6 27.5 72.9 20.9 2.3-16 8.8-27.1 16-33.7-55.9-6.2-112.3-14.3-112.3-110.5 0-27.5 7.6-41.3 23.6-58.9-2.6-6.5-11.1-33.3 2.6-67.9 20.9-6.5 69 27 69 27 20-5.6 41.5-8.5 62.8-8.5s42.8 2.9 62.8 8.5c0 0 48.1-33.6 69-27 13.7 34.7 5.2 61.4 2.6 67.9 16 17.7 25.8 31.5 25.8 58.9 0 96.5-58.9 104.2-114.8 110.5 9.2 7.9 17 22.9 17 46.4 0 33.7-.3 75.4-.3 83.6 0 6.5 4.6 14.4 17.3 12.1C436.2 457.8 504 362.9 504 252 504 113.3 391.5 8 252.8 8M105.2 352.9c-1.3 1-1 3.3.7 5.2 1.6 1.6 3.9 2.3 5.2 1 1.3-1 1-3.3-.7-5.2-1.6-1.6-3.9-2.3-5.2-1m-10.8-8.1c-.7 1.3.3 2.9 2.3 3.9 1.6 1 3.6.7 4.3-.7.7-1.3-.3-2.9-2.3-3.9-2-.6-3.6-.3-4.3.7m32.4 35.6c-1.6 1.3-1 4.3 1.3 6.2 2.3 2.3 5.2 2.6 6.5 1 1.3-1.3.7-4.3-1.3-6.2-2.2-2.3-5.2-2.6-6.5-1m-11.4-14.7c-1.6 1-1.6 3.6 0 5.9s4.3 3.3 5.6 2.3c1.6-1.3 1.6-3.9 0-6.2-1.4-2.3-4-3.3-5.6-2"/></svg>
</div>
<div class="md-source__repository">
krahets/hello-algo
</div>
</a>
</div>
</div>
</nav>
</header>
@@ -323,7 +285,7 @@
<label class="md-nav__title" for="__drawer">
<a href="../.." title="Hello Algo" class="md-nav__button md-logo" aria-label="Hello Algo" data-md-component="logo">
<img src="../../assets/images/logo.svg" alt="logo">
<img src="../../assets/images/logo.svg" alt="Hello Algo">
</a>
Hello Algo
@@ -333,7 +295,7 @@
<a href="https://github.com/krahets/hello-algo" title="Перейти к репозиторию" class="md-source" data-md-component="source">
<div class="md-source__icon md-icon">
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<div class="md-source__repository">
krahets/hello-algo
@@ -1502,7 +1464,7 @@
<span class="md-nav__icon md-icon"></span>
</label>
<a href="./" class="md-nav__link md-nav__link--active">
<a href="././" class="md-nav__link md-nav__link--active">
@@ -1521,6 +1483,7 @@
<nav class="md-nav md-nav--secondary" aria-label="Содержание">
@@ -1554,7 +1517,7 @@
</span>
</a>
<nav class="md-nav" aria-label="5.1.2   Реализация стека">
<nav class="md-nav" aria-label="5.1.2 Реализация стека">
<ul class="md-nav__list">
<li class="md-nav__item">
@@ -4366,6 +4329,7 @@
<div class="md-sidebar__inner">
<nav class="md-nav md-nav--secondary" aria-label="Содержание">
@@ -4399,7 +4363,7 @@
</span>
</a>
<nav class="md-nav" aria-label="5.1.2   Реализация стека">
<nav class="md-nav" aria-label="5.1.2 Реализация стека">
<ul class="md-nav__list">
<li class="md-nav__item">
@@ -4479,7 +4443,7 @@
class="md-content__button md-icon"
>
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</a>
@@ -4492,7 +4456,7 @@
<p><u>Стек (stack)</u> - это линейная структура данных, подчиняющаяся логике "последним пришел - первым вышел".</p>
<p>Стек можно сравнить со стопкой тарелок на столе. Если разрешено перемещать только одну тарелку за раз, то, чтобы достать тарелку снизу, сначала придется по одной убрать все тарелки сверху. Если заменить тарелки различными элементами (например целыми числами, символами, объектами и т.д.), получится структура данных "стек".</p>
<p>Как показано на рисунке 5-1, верхнюю часть стопки элементов мы называем "вершиной стека", а нижнюю - "основанием стека". Операция добавления элемента на вершину называется "push", а операция удаления верхнего элемента - "pop".</p>
<p><a class="glightbox" href="../stack.assets/stack_operations.png" data-type="image" data-width="100%" data-height="auto" data-desc-position="bottom"><img alt="Правило LIFO для стека" class="animation-figure" src="../stack.assets/stack_operations.png" /></a></p>
<p><img alt="Правило LIFO для стека" class="animation-figure" src="../stack.assets/stack_operations.png" /></p>
<p align="center"> Рисунок 5-1 &nbsp; Правило LIFO для стека </p>
<h2 id="511">5.1.1 &nbsp; Основные операции со стеком<a class="headerlink" href="#511" title="Permanent link">&para;</a></h2>
@@ -4846,13 +4810,13 @@
<div class="tabbed-set tabbed-alternate" data-tabs="2:3"><input checked="checked" id="__tabbed_2_1" name="__tabbed_2" type="radio" /><input id="__tabbed_2_2" name="__tabbed_2" type="radio" /><input id="__tabbed_2_3" name="__tabbed_2" type="radio" /><div class="tabbed-labels"><label for="__tabbed_2_1">LinkedListStack</label><label for="__tabbed_2_2">push()</label><label for="__tabbed_2_3">pop()</label></div>
<div class="tabbed-content">
<div class="tabbed-block">
<p><a class="glightbox" href="../stack.assets/linkedlist_stack_step1.png" data-type="image" data-width="100%" data-height="auto" data-desc-position="bottom"><img alt="Операции push и pop в реализации стека на связном списке" class="animation-figure" src="../stack.assets/linkedlist_stack_step1.png" /></a></p>
<p><img alt="Операции push и pop в реализации стека на связном списке" class="animation-figure" src="../stack.assets/linkedlist_stack_step1.png" /></p>
</div>
<div class="tabbed-block">
<p><a class="glightbox" href="../stack.assets/linkedlist_stack_step2_push.png" data-type="image" data-width="100%" data-height="auto" data-desc-position="bottom"><img alt="linkedlist_stack_push" class="animation-figure" src="../stack.assets/linkedlist_stack_step2_push.png" /></a></p>
<p><img alt="linkedlist_stack_push" class="animation-figure" src="../stack.assets/linkedlist_stack_step2_push.png" /></p>
</div>
<div class="tabbed-block">
<p><a class="glightbox" href="../stack.assets/linkedlist_stack_step3_pop.png" data-type="image" data-width="100%" data-height="auto" data-desc-position="bottom"><img alt="linkedlist_stack_pop" class="animation-figure" src="../stack.assets/linkedlist_stack_step3_pop.png" /></a></p>
<p><img alt="linkedlist_stack_pop" class="animation-figure" src="../stack.assets/linkedlist_stack_step3_pop.png" /></p>
</div>
</div>
</div>
@@ -5556,62 +5520,54 @@
</code></pre></div>
</div>
<div class="tabbed-block">
<div class="highlight"><span class="filename">linkedlist_stack.rb</span><pre><span></span><code><a id="__codelineno-25-1" name="__codelineno-25-1" href="#__codelineno-25-1"></a><span class="cm">=begin</span>
<a id="__codelineno-25-2" name="__codelineno-25-2" href="#__codelineno-25-2"></a><span class="cm">File: linkedlist_stack.rb</span>
<a id="__codelineno-25-3" name="__codelineno-25-3" href="#__codelineno-25-3"></a><span class="cm">Created Time: 2024-04-06</span>
<a id="__codelineno-25-4" name="__codelineno-25-4" href="#__codelineno-25-4"></a><span class="cm">Author: Xuan Khoa Tu Nguyen (ngxktuzkai2000@gmail.com)</span>
<a id="__codelineno-25-5" name="__codelineno-25-5" href="#__codelineno-25-5"></a><span class="cm">=end</span>
<a id="__codelineno-25-6" name="__codelineno-25-6" href="#__codelineno-25-6"></a>
<a id="__codelineno-25-7" name="__codelineno-25-7" href="#__codelineno-25-7"></a><span class="n">require_relative</span><span class="w"> </span><span class="s1">&#39;../utils/list_node&#39;</span>
<a id="__codelineno-25-8" name="__codelineno-25-8" href="#__codelineno-25-8"></a>
<a id="__codelineno-25-9" name="__codelineno-25-9" href="#__codelineno-25-9"></a><span class="c1"># ## Стек на основе связного списка ###</span>
<a id="__codelineno-25-10" name="__codelineno-25-10" href="#__codelineno-25-10"></a><span class="k">class</span><span class="w"> </span><span class="nc">LinkedListStack</span>
<a id="__codelineno-25-11" name="__codelineno-25-11" href="#__codelineno-25-11"></a><span class="w"> </span><span class="kp">attr_reader</span><span class="w"> </span><span class="ss">:size</span>
<a id="__codelineno-25-12" name="__codelineno-25-12" href="#__codelineno-25-12"></a>
<a id="__codelineno-25-13" name="__codelineno-25-13" href="#__codelineno-25-13"></a><span class="w"> </span><span class="c1"># ## Конструктор ###</span>
<a id="__codelineno-25-14" name="__codelineno-25-14" href="#__codelineno-25-14"></a><span class="w"> </span><span class="k">def</span><span class="w"> </span><span class="nf">initialize</span>
<a id="__codelineno-25-15" name="__codelineno-25-15" href="#__codelineno-25-15"></a><span class="w"> </span><span class="vi">@size</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="mi">0</span>
<a id="__codelineno-25-16" name="__codelineno-25-16" href="#__codelineno-25-16"></a><span class="w"> </span><span class="k">end</span>
<a id="__codelineno-25-17" name="__codelineno-25-17" href="#__codelineno-25-17"></a>
<a id="__codelineno-25-18" name="__codelineno-25-18" href="#__codelineno-25-18"></a><span class="w"> </span><span class="c1"># ## Проверка, пуст ли стек ###</span>
<a id="__codelineno-25-19" name="__codelineno-25-19" href="#__codelineno-25-19"></a><span class="w"> </span><span class="k">def</span><span class="w"> </span><span class="nf">is_empty?</span>
<a id="__codelineno-25-20" name="__codelineno-25-20" href="#__codelineno-25-20"></a><span class="w"> </span><span class="vi">@peek</span><span class="o">.</span><span class="n">nil?</span>
<div class="highlight"><span class="filename">linkedlist_stack.rb</span><pre><span></span><code><a id="__codelineno-25-1" name="__codelineno-25-1" href="#__codelineno-25-1"></a><span class="c1">### Стек на основе связного списка ###</span>
<a id="__codelineno-25-2" name="__codelineno-25-2" href="#__codelineno-25-2"></a><span class="k">class</span><span class="w"> </span><span class="nc">LinkedListStack</span>
<a id="__codelineno-25-3" name="__codelineno-25-3" href="#__codelineno-25-3"></a><span class="w"> </span><span class="kp">attr_reader</span><span class="w"> </span><span class="ss">:size</span>
<a id="__codelineno-25-4" name="__codelineno-25-4" href="#__codelineno-25-4"></a>
<a id="__codelineno-25-5" name="__codelineno-25-5" href="#__codelineno-25-5"></a><span class="w"> </span><span class="c1">### Конструктор ###</span>
<a id="__codelineno-25-6" name="__codelineno-25-6" href="#__codelineno-25-6"></a><span class="w"> </span><span class="k">def</span><span class="w"> </span><span class="nf">initialize</span>
<a id="__codelineno-25-7" name="__codelineno-25-7" href="#__codelineno-25-7"></a><span class="w"> </span><span class="vi">@size</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="mi">0</span>
<a id="__codelineno-25-8" name="__codelineno-25-8" href="#__codelineno-25-8"></a><span class="w"> </span><span class="k">end</span>
<a id="__codelineno-25-9" name="__codelineno-25-9" href="#__codelineno-25-9"></a>
<a id="__codelineno-25-10" name="__codelineno-25-10" href="#__codelineno-25-10"></a><span class="w"> </span><span class="c1">### Проверка, пуст ли стек ###</span>
<a id="__codelineno-25-11" name="__codelineno-25-11" href="#__codelineno-25-11"></a><span class="w"> </span><span class="k">def</span><span class="w"> </span><span class="nf">is_empty?</span>
<a id="__codelineno-25-12" name="__codelineno-25-12" href="#__codelineno-25-12"></a><span class="w"> </span><span class="vi">@peek</span><span class="o">.</span><span class="n">nil?</span>
<a id="__codelineno-25-13" name="__codelineno-25-13" href="#__codelineno-25-13"></a><span class="w"> </span><span class="k">end</span>
<a id="__codelineno-25-14" name="__codelineno-25-14" href="#__codelineno-25-14"></a>
<a id="__codelineno-25-15" name="__codelineno-25-15" href="#__codelineno-25-15"></a><span class="w"> </span><span class="c1">### Помещение в стек ###</span>
<a id="__codelineno-25-16" name="__codelineno-25-16" href="#__codelineno-25-16"></a><span class="w"> </span><span class="k">def</span><span class="w"> </span><span class="nf">push</span><span class="p">(</span><span class="n">val</span><span class="p">)</span>
<a id="__codelineno-25-17" name="__codelineno-25-17" href="#__codelineno-25-17"></a><span class="w"> </span><span class="n">node</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="no">ListNode</span><span class="o">.</span><span class="n">new</span><span class="p">(</span><span class="n">val</span><span class="p">)</span>
<a id="__codelineno-25-18" name="__codelineno-25-18" href="#__codelineno-25-18"></a><span class="w"> </span><span class="n">node</span><span class="o">.</span><span class="n">next</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="vi">@peek</span>
<a id="__codelineno-25-19" name="__codelineno-25-19" href="#__codelineno-25-19"></a><span class="w"> </span><span class="vi">@peek</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="n">node</span>
<a id="__codelineno-25-20" name="__codelineno-25-20" href="#__codelineno-25-20"></a><span class="w"> </span><span class="vi">@size</span><span class="w"> </span><span class="o">+=</span><span class="w"> </span><span class="mi">1</span>
<a id="__codelineno-25-21" name="__codelineno-25-21" href="#__codelineno-25-21"></a><span class="w"> </span><span class="k">end</span>
<a id="__codelineno-25-22" name="__codelineno-25-22" href="#__codelineno-25-22"></a>
<a id="__codelineno-25-23" name="__codelineno-25-23" href="#__codelineno-25-23"></a><span class="w"> </span><span class="c1"># ## Помещение в стек ###</span>
<a id="__codelineno-25-24" name="__codelineno-25-24" href="#__codelineno-25-24"></a><span class="w"> </span><span class="k">def</span><span class="w"> </span><span class="nf">push</span><span class="p">(</span><span class="n">val</span><span class="p">)</span>
<a id="__codelineno-25-25" name="__codelineno-25-25" href="#__codelineno-25-25"></a><span class="w"> </span><span class="n">node</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="no">ListNode</span><span class="o">.</span><span class="n">new</span><span class="p">(</span><span class="n">val</span><span class="p">)</span>
<a id="__codelineno-25-26" name="__codelineno-25-26" href="#__codelineno-25-26"></a><span class="w"> </span><span class="n">node</span><span class="o">.</span><span class="n">next</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="vi">@peek</span>
<a id="__codelineno-25-27" name="__codelineno-25-27" href="#__codelineno-25-27"></a><span class="w"> </span><span class="vi">@peek</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="n">node</span>
<a id="__codelineno-25-28" name="__codelineno-25-28" href="#__codelineno-25-28"></a><span class="w"> </span><span class="vi">@size</span><span class="w"> </span><span class="o">+=</span><span class="w"> </span><span class="mi">1</span>
<a id="__codelineno-25-23" name="__codelineno-25-23" href="#__codelineno-25-23"></a><span class="w"> </span><span class="c1">### Извлечение из стека ###</span>
<a id="__codelineno-25-24" name="__codelineno-25-24" href="#__codelineno-25-24"></a><span class="w"> </span><span class="k">def</span><span class="w"> </span><span class="nf">pop</span>
<a id="__codelineno-25-25" name="__codelineno-25-25" href="#__codelineno-25-25"></a><span class="w"> </span><span class="n">num</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="n">peek</span>
<a id="__codelineno-25-26" name="__codelineno-25-26" href="#__codelineno-25-26"></a><span class="w"> </span><span class="vi">@peek</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="vi">@peek</span><span class="o">.</span><span class="n">next</span>
<a id="__codelineno-25-27" name="__codelineno-25-27" href="#__codelineno-25-27"></a><span class="w"> </span><span class="vi">@size</span><span class="w"> </span><span class="o">-=</span><span class="w"> </span><span class="mi">1</span>
<a id="__codelineno-25-28" name="__codelineno-25-28" href="#__codelineno-25-28"></a><span class="w"> </span><span class="n">num</span>
<a id="__codelineno-25-29" name="__codelineno-25-29" href="#__codelineno-25-29"></a><span class="w"> </span><span class="k">end</span>
<a id="__codelineno-25-30" name="__codelineno-25-30" href="#__codelineno-25-30"></a>
<a id="__codelineno-25-31" name="__codelineno-25-31" href="#__codelineno-25-31"></a><span class="w"> </span><span class="c1"># ## Извлечение из стека ###</span>
<a id="__codelineno-25-32" name="__codelineno-25-32" href="#__codelineno-25-32"></a><span class="w"> </span><span class="k">def</span><span class="w"> </span><span class="nf">pop</span>
<a id="__codelineno-25-33" name="__codelineno-25-33" href="#__codelineno-25-33"></a><span class="w"> </span><span class="n">num</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="n">peek</span>
<a id="__codelineno-25-34" name="__codelineno-25-34" href="#__codelineno-25-34"></a><span class="w"> </span><span class="vi">@peek</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="vi">@peek</span><span class="o">.</span><span class="n">next</span>
<a id="__codelineno-25-35" name="__codelineno-25-35" href="#__codelineno-25-35"></a><span class="w"> </span><span class="vi">@size</span><span class="w"> </span><span class="o">-=</span><span class="w"> </span><span class="mi">1</span>
<a id="__codelineno-25-36" name="__codelineno-25-36" href="#__codelineno-25-36"></a><span class="w"> </span><span class="n">num</span>
<a id="__codelineno-25-37" name="__codelineno-25-37" href="#__codelineno-25-37"></a><span class="w"> </span><span class="k">end</span>
<a id="__codelineno-25-38" name="__codelineno-25-38" href="#__codelineno-25-38"></a>
<a id="__codelineno-25-39" name="__codelineno-25-39" href="#__codelineno-25-39"></a><span class="w"> </span><span class="c1"># ## Доступ к верхнему элементу стека ###</span>
<a id="__codelineno-25-40" name="__codelineno-25-40" href="#__codelineno-25-40"></a><span class="w"> </span><span class="k">def</span><span class="w"> </span><span class="nf">peek</span>
<a id="__codelineno-25-41" name="__codelineno-25-41" href="#__codelineno-25-41"></a><span class="w"> </span><span class="k">raise</span><span class="w"> </span><span class="no">IndexError</span><span class="p">,</span><span class="w"> </span><span class="s1">&#39;стек пуст&#39;</span><span class="w"> </span><span class="k">if</span><span class="w"> </span><span class="n">is_empty?</span>
<a id="__codelineno-25-42" name="__codelineno-25-42" href="#__codelineno-25-42"></a>
<a id="__codelineno-25-43" name="__codelineno-25-43" href="#__codelineno-25-43"></a><span class="w"> </span><span class="vi">@peek</span><span class="o">.</span><span class="n">val</span>
<a id="__codelineno-25-44" name="__codelineno-25-44" href="#__codelineno-25-44"></a><span class="w"> </span><span class="k">end</span>
<a id="__codelineno-25-45" name="__codelineno-25-45" href="#__codelineno-25-45"></a>
<a id="__codelineno-25-46" name="__codelineno-25-46" href="#__codelineno-25-46"></a><span class="w"> </span><span class="c1"># ## Преобразовать связный список в Array и вернуть ###</span>
<a id="__codelineno-25-47" name="__codelineno-25-47" href="#__codelineno-25-47"></a><span class="w"> </span><span class="k">def</span><span class="w"> </span><span class="nf">to_array</span>
<a id="__codelineno-25-48" name="__codelineno-25-48" href="#__codelineno-25-48"></a><span class="w"> </span><span class="n">arr</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="o">[]</span>
<a id="__codelineno-25-49" name="__codelineno-25-49" href="#__codelineno-25-49"></a><span class="w"> </span><span class="n">node</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="vi">@peek</span>
<a id="__codelineno-25-50" name="__codelineno-25-50" href="#__codelineno-25-50"></a><span class="w"> </span><span class="k">while</span><span class="w"> </span><span class="n">node</span>
<a id="__codelineno-25-51" name="__codelineno-25-51" href="#__codelineno-25-51"></a><span class="w"> </span><span class="n">arr</span><span class="w"> </span><span class="o">&lt;&lt;</span><span class="w"> </span><span class="n">node</span><span class="o">.</span><span class="n">val</span>
<a id="__codelineno-25-52" name="__codelineno-25-52" href="#__codelineno-25-52"></a><span class="w"> </span><span class="n">node</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="n">node</span><span class="o">.</span><span class="n">next</span>
<a id="__codelineno-25-53" name="__codelineno-25-53" href="#__codelineno-25-53"></a><span class="w"> </span><span class="k">end</span>
<a id="__codelineno-25-54" name="__codelineno-25-54" href="#__codelineno-25-54"></a><span class="w"> </span><span class="n">arr</span><span class="o">.</span><span class="n">reverse</span>
<a id="__codelineno-25-55" name="__codelineno-25-55" href="#__codelineno-25-55"></a><span class="w"> </span><span class="k">end</span>
<a id="__codelineno-25-56" name="__codelineno-25-56" href="#__codelineno-25-56"></a><span class="k">end</span>
<a id="__codelineno-25-31" name="__codelineno-25-31" href="#__codelineno-25-31"></a><span class="w"> </span><span class="c1">### Доступ к верхнему элементу стека ###</span>
<a id="__codelineno-25-32" name="__codelineno-25-32" href="#__codelineno-25-32"></a><span class="w"> </span><span class="k">def</span><span class="w"> </span><span class="nf">peek</span>
<a id="__codelineno-25-33" name="__codelineno-25-33" href="#__codelineno-25-33"></a><span class="w"> </span><span class="k">raise</span><span class="w"> </span><span class="no">IndexError</span><span class="p">,</span><span class="w"> </span><span class="s1">&#39;стек пуст&#39;</span><span class="w"> </span><span class="k">if</span><span class="w"> </span><span class="n">is_empty?</span>
<a id="__codelineno-25-34" name="__codelineno-25-34" href="#__codelineno-25-34"></a>
<a id="__codelineno-25-35" name="__codelineno-25-35" href="#__codelineno-25-35"></a><span class="w"> </span><span class="vi">@peek</span><span class="o">.</span><span class="n">val</span>
<a id="__codelineno-25-36" name="__codelineno-25-36" href="#__codelineno-25-36"></a><span class="w"> </span><span class="k">end</span>
<a id="__codelineno-25-37" name="__codelineno-25-37" href="#__codelineno-25-37"></a>
<a id="__codelineno-25-38" name="__codelineno-25-38" href="#__codelineno-25-38"></a><span class="w"> </span><span class="c1">### Преобразовать связный список в Array и вернуть ###</span>
<a id="__codelineno-25-39" name="__codelineno-25-39" href="#__codelineno-25-39"></a><span class="w"> </span><span class="k">def</span><span class="w"> </span><span class="nf">to_array</span>
<a id="__codelineno-25-40" name="__codelineno-25-40" href="#__codelineno-25-40"></a><span class="w"> </span><span class="n">arr</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="o">[]</span>
<a id="__codelineno-25-41" name="__codelineno-25-41" href="#__codelineno-25-41"></a><span class="w"> </span><span class="n">node</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="vi">@peek</span>
<a id="__codelineno-25-42" name="__codelineno-25-42" href="#__codelineno-25-42"></a><span class="w"> </span><span class="k">while</span><span class="w"> </span><span class="n">node</span>
<a id="__codelineno-25-43" name="__codelineno-25-43" href="#__codelineno-25-43"></a><span class="w"> </span><span class="n">arr</span><span class="w"> </span><span class="o">&lt;&lt;</span><span class="w"> </span><span class="n">node</span><span class="o">.</span><span class="n">val</span>
<a id="__codelineno-25-44" name="__codelineno-25-44" href="#__codelineno-25-44"></a><span class="w"> </span><span class="n">node</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="n">node</span><span class="o">.</span><span class="n">next</span>
<a id="__codelineno-25-45" name="__codelineno-25-45" href="#__codelineno-25-45"></a><span class="w"> </span><span class="k">end</span>
<a id="__codelineno-25-46" name="__codelineno-25-46" href="#__codelineno-25-46"></a><span class="w"> </span><span class="n">arr</span><span class="o">.</span><span class="n">reverse</span>
<a id="__codelineno-25-47" name="__codelineno-25-47" href="#__codelineno-25-47"></a><span class="w"> </span><span class="k">end</span>
<a id="__codelineno-25-48" name="__codelineno-25-48" href="#__codelineno-25-48"></a><span class="k">end</span>
</code></pre></div>
</div>
</div>
@@ -5626,13 +5582,13 @@
<div class="tabbed-set tabbed-alternate" data-tabs="4:3"><input checked="checked" id="__tabbed_4_1" name="__tabbed_4" type="radio" /><input id="__tabbed_4_2" name="__tabbed_4" type="radio" /><input id="__tabbed_4_3" name="__tabbed_4" type="radio" /><div class="tabbed-labels"><label for="__tabbed_4_1">ArrayStack</label><label for="__tabbed_4_2">push()</label><label for="__tabbed_4_3">pop()</label></div>
<div class="tabbed-content">
<div class="tabbed-block">
<p><a class="glightbox" href="../stack.assets/array_stack_step1.png" data-type="image" data-width="100%" data-height="auto" data-desc-position="bottom"><img alt="Операции push и pop в реализации стека на массиве" class="animation-figure" src="../stack.assets/array_stack_step1.png" /></a></p>
<p><img alt="Операции push и pop в реализации стека на массиве" class="animation-figure" src="../stack.assets/array_stack_step1.png" /></p>
</div>
<div class="tabbed-block">
<p><a class="glightbox" href="../stack.assets/array_stack_step2_push.png" data-type="image" data-width="100%" data-height="auto" data-desc-position="bottom"><img alt="array_stack_push" class="animation-figure" src="../stack.assets/array_stack_step2_push.png" /></a></p>
<p><img alt="array_stack_push" class="animation-figure" src="../stack.assets/array_stack_step2_push.png" /></p>
</div>
<div class="tabbed-block">
<p><a class="glightbox" href="../stack.assets/array_stack_step3_pop.png" data-type="image" data-width="100%" data-height="auto" data-desc-position="bottom"><img alt="array_stack_pop" class="animation-figure" src="../stack.assets/array_stack_step3_pop.png" /></a></p>
<p><img alt="array_stack_pop" class="animation-figure" src="../stack.assets/array_stack_step3_pop.png" /></p>
</div>
</div>
</div>
@@ -6192,53 +6148,47 @@
</code></pre></div>
</div>
<div class="tabbed-block">
<div class="highlight"><span class="filename">array_stack.rb</span><pre><span></span><code><a id="__codelineno-38-1" name="__codelineno-38-1" href="#__codelineno-38-1"></a><span class="cm">=begin</span>
<a id="__codelineno-38-2" name="__codelineno-38-2" href="#__codelineno-38-2"></a><span class="cm">File: array_stack.rb</span>
<a id="__codelineno-38-3" name="__codelineno-38-3" href="#__codelineno-38-3"></a><span class="cm">Created Time: 2024-04-06</span>
<a id="__codelineno-38-4" name="__codelineno-38-4" href="#__codelineno-38-4"></a><span class="cm">Author: Xuan Khoa Tu Nguyen (ngxktuzkai2000@gmail.com)</span>
<a id="__codelineno-38-5" name="__codelineno-38-5" href="#__codelineno-38-5"></a><span class="cm">=end</span>
<a id="__codelineno-38-6" name="__codelineno-38-6" href="#__codelineno-38-6"></a>
<a id="__codelineno-38-7" name="__codelineno-38-7" href="#__codelineno-38-7"></a><span class="c1"># ## Стек на основе массива ###</span>
<a id="__codelineno-38-8" name="__codelineno-38-8" href="#__codelineno-38-8"></a><span class="k">class</span><span class="w"> </span><span class="nc">ArrayStack</span>
<a id="__codelineno-38-9" name="__codelineno-38-9" href="#__codelineno-38-9"></a><span class="w"> </span><span class="c1"># ## Конструктор ###</span>
<a id="__codelineno-38-10" name="__codelineno-38-10" href="#__codelineno-38-10"></a><span class="w"> </span><span class="k">def</span><span class="w"> </span><span class="nf">initialize</span>
<a id="__codelineno-38-11" name="__codelineno-38-11" href="#__codelineno-38-11"></a><span class="w"> </span><span class="vi">@stack</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="o">[]</span>
<a id="__codelineno-38-12" name="__codelineno-38-12" href="#__codelineno-38-12"></a><span class="w"> </span><span class="k">end</span>
<a id="__codelineno-38-13" name="__codelineno-38-13" href="#__codelineno-38-13"></a>
<a id="__codelineno-38-14" name="__codelineno-38-14" href="#__codelineno-38-14"></a><span class="w"> </span><span class="c1"># ## Получить длину стека ###</span>
<a id="__codelineno-38-15" name="__codelineno-38-15" href="#__codelineno-38-15"></a><span class="w"> </span><span class="k">def</span><span class="w"> </span><span class="nf">size</span>
<a id="__codelineno-38-16" name="__codelineno-38-16" href="#__codelineno-38-16"></a><span class="w"> </span><span class="vi">@stack</span><span class="o">.</span><span class="n">length</span>
<a id="__codelineno-38-17" name="__codelineno-38-17" href="#__codelineno-38-17"></a><span class="w"> </span><span class="k">end</span>
<a id="__codelineno-38-18" name="__codelineno-38-18" href="#__codelineno-38-18"></a>
<a id="__codelineno-38-19" name="__codelineno-38-19" href="#__codelineno-38-19"></a><span class="w"> </span><span class="c1"># ## Проверка, пуст ли стек ###</span>
<a id="__codelineno-38-20" name="__codelineno-38-20" href="#__codelineno-38-20"></a><span class="w"> </span><span class="k">def</span><span class="w"> </span><span class="nf">is_empty?</span>
<a id="__codelineno-38-21" name="__codelineno-38-21" href="#__codelineno-38-21"></a><span class="w"> </span><span class="vi">@stack</span><span class="o">.</span><span class="n">empty?</span>
<a id="__codelineno-38-22" name="__codelineno-38-22" href="#__codelineno-38-22"></a><span class="w"> </span><span class="k">end</span>
<a id="__codelineno-38-23" name="__codelineno-38-23" href="#__codelineno-38-23"></a>
<a id="__codelineno-38-24" name="__codelineno-38-24" href="#__codelineno-38-24"></a><span class="w"> </span><span class="c1"># ## Помещение в стек ###</span>
<a id="__codelineno-38-25" name="__codelineno-38-25" href="#__codelineno-38-25"></a><span class="w"> </span><span class="k">def</span><span class="w"> </span><span class="nf">push</span><span class="p">(</span><span class="n">item</span><span class="p">)</span>
<a id="__codelineno-38-26" name="__codelineno-38-26" href="#__codelineno-38-26"></a><span class="w"> </span><span class="vi">@stack</span><span class="w"> </span><span class="o">&lt;&lt;</span><span class="w"> </span><span class="n">item</span>
<a id="__codelineno-38-27" name="__codelineno-38-27" href="#__codelineno-38-27"></a><span class="w"> </span><span class="k">end</span>
<a id="__codelineno-38-28" name="__codelineno-38-28" href="#__codelineno-38-28"></a>
<a id="__codelineno-38-29" name="__codelineno-38-29" href="#__codelineno-38-29"></a><span class="w"> </span><span class="c1"># ## Извлечение из стека ###</span>
<a id="__codelineno-38-30" name="__codelineno-38-30" href="#__codelineno-38-30"></a><span class="w"> </span><span class="k">def</span><span class="w"> </span><span class="nf">pop</span>
<a id="__codelineno-38-31" name="__codelineno-38-31" href="#__codelineno-38-31"></a><span class="w"> </span><span class="k">raise</span><span class="w"> </span><span class="no">IndexError</span><span class="p">,</span><span class="w"> </span><span class="s1">&#39;стек пуст&#39;</span><span class="w"> </span><span class="k">if</span><span class="w"> </span><span class="n">is_empty?</span>
<a id="__codelineno-38-32" name="__codelineno-38-32" href="#__codelineno-38-32"></a>
<a id="__codelineno-38-33" name="__codelineno-38-33" href="#__codelineno-38-33"></a><span class="w"> </span><span class="vi">@stack</span><span class="o">.</span><span class="n">pop</span>
<a id="__codelineno-38-34" name="__codelineno-38-34" href="#__codelineno-38-34"></a><span class="w"> </span><span class="k">end</span>
<a id="__codelineno-38-35" name="__codelineno-38-35" href="#__codelineno-38-35"></a>
<a id="__codelineno-38-36" name="__codelineno-38-36" href="#__codelineno-38-36"></a><span class="w"> </span><span class="c1"># ## Доступ к верхнему элементу стека ###</span>
<a id="__codelineno-38-37" name="__codelineno-38-37" href="#__codelineno-38-37"></a><span class="w"> </span><span class="k">def</span><span class="w"> </span><span class="nf">peek</span>
<a id="__codelineno-38-38" name="__codelineno-38-38" href="#__codelineno-38-38"></a><span class="w"> </span><span class="k">raise</span><span class="w"> </span><span class="no">IndexError</span><span class="p">,</span><span class="w"> </span><span class="s1">&#39;стек пуст&#39;</span><span class="w"> </span><span class="k">if</span><span class="w"> </span><span class="n">is_empty?</span>
<a id="__codelineno-38-39" name="__codelineno-38-39" href="#__codelineno-38-39"></a>
<a id="__codelineno-38-40" name="__codelineno-38-40" href="#__codelineno-38-40"></a><span class="w"> </span><span class="vi">@stack</span><span class="o">.</span><span class="n">last</span>
<a id="__codelineno-38-41" name="__codelineno-38-41" href="#__codelineno-38-41"></a><span class="w"> </span><span class="k">end</span>
<a id="__codelineno-38-42" name="__codelineno-38-42" href="#__codelineno-38-42"></a>
<a id="__codelineno-38-43" name="__codelineno-38-43" href="#__codelineno-38-43"></a><span class="w"> </span><span class="c1"># ## Вернуть список для вывода ###</span>
<a id="__codelineno-38-44" name="__codelineno-38-44" href="#__codelineno-38-44"></a><span class="w"> </span><span class="k">def</span><span class="w"> </span><span class="nf">to_array</span>
<a id="__codelineno-38-45" name="__codelineno-38-45" href="#__codelineno-38-45"></a><span class="w"> </span><span class="vi">@stack</span>
<a id="__codelineno-38-46" name="__codelineno-38-46" href="#__codelineno-38-46"></a><span class="w"> </span><span class="k">end</span>
<a id="__codelineno-38-47" name="__codelineno-38-47" href="#__codelineno-38-47"></a><span class="k">end</span>
<div class="highlight"><span class="filename">array_stack.rb</span><pre><span></span><code><a id="__codelineno-38-1" name="__codelineno-38-1" href="#__codelineno-38-1"></a><span class="c1">### Стек на основе массива ###</span>
<a id="__codelineno-38-2" name="__codelineno-38-2" href="#__codelineno-38-2"></a><span class="k">class</span><span class="w"> </span><span class="nc">ArrayStack</span>
<a id="__codelineno-38-3" name="__codelineno-38-3" href="#__codelineno-38-3"></a><span class="w"> </span><span class="c1">### Конструктор ###</span>
<a id="__codelineno-38-4" name="__codelineno-38-4" href="#__codelineno-38-4"></a><span class="w"> </span><span class="k">def</span><span class="w"> </span><span class="nf">initialize</span>
<a id="__codelineno-38-5" name="__codelineno-38-5" href="#__codelineno-38-5"></a><span class="w"> </span><span class="vi">@stack</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="o">[]</span>
<a id="__codelineno-38-6" name="__codelineno-38-6" href="#__codelineno-38-6"></a><span class="w"> </span><span class="k">end</span>
<a id="__codelineno-38-7" name="__codelineno-38-7" href="#__codelineno-38-7"></a>
<a id="__codelineno-38-8" name="__codelineno-38-8" href="#__codelineno-38-8"></a><span class="w"> </span><span class="c1">### Получить длину стека ###</span>
<a id="__codelineno-38-9" name="__codelineno-38-9" href="#__codelineno-38-9"></a><span class="w"> </span><span class="k">def</span><span class="w"> </span><span class="nf">size</span>
<a id="__codelineno-38-10" name="__codelineno-38-10" href="#__codelineno-38-10"></a><span class="w"> </span><span class="vi">@stack</span><span class="o">.</span><span class="n">length</span>
<a id="__codelineno-38-11" name="__codelineno-38-11" href="#__codelineno-38-11"></a><span class="w"> </span><span class="k">end</span>
<a id="__codelineno-38-12" name="__codelineno-38-12" href="#__codelineno-38-12"></a>
<a id="__codelineno-38-13" name="__codelineno-38-13" href="#__codelineno-38-13"></a><span class="w"> </span><span class="c1">### Проверка, пуст ли стек ###</span>
<a id="__codelineno-38-14" name="__codelineno-38-14" href="#__codelineno-38-14"></a><span class="w"> </span><span class="k">def</span><span class="w"> </span><span class="nf">is_empty?</span>
<a id="__codelineno-38-15" name="__codelineno-38-15" href="#__codelineno-38-15"></a><span class="w"> </span><span class="vi">@stack</span><span class="o">.</span><span class="n">empty?</span>
<a id="__codelineno-38-16" name="__codelineno-38-16" href="#__codelineno-38-16"></a><span class="w"> </span><span class="k">end</span>
<a id="__codelineno-38-17" name="__codelineno-38-17" href="#__codelineno-38-17"></a>
<a id="__codelineno-38-18" name="__codelineno-38-18" href="#__codelineno-38-18"></a><span class="w"> </span><span class="c1">### Помещение в стек ###</span>
<a id="__codelineno-38-19" name="__codelineno-38-19" href="#__codelineno-38-19"></a><span class="w"> </span><span class="k">def</span><span class="w"> </span><span class="nf">push</span><span class="p">(</span><span class="n">item</span><span class="p">)</span>
<a id="__codelineno-38-20" name="__codelineno-38-20" href="#__codelineno-38-20"></a><span class="w"> </span><span class="vi">@stack</span><span class="w"> </span><span class="o">&lt;&lt;</span><span class="w"> </span><span class="n">item</span>
<a id="__codelineno-38-21" name="__codelineno-38-21" href="#__codelineno-38-21"></a><span class="w"> </span><span class="k">end</span>
<a id="__codelineno-38-22" name="__codelineno-38-22" href="#__codelineno-38-22"></a>
<a id="__codelineno-38-23" name="__codelineno-38-23" href="#__codelineno-38-23"></a><span class="w"> </span><span class="c1">### Извлечение из стека ###</span>
<a id="__codelineno-38-24" name="__codelineno-38-24" href="#__codelineno-38-24"></a><span class="w"> </span><span class="k">def</span><span class="w"> </span><span class="nf">pop</span>
<a id="__codelineno-38-25" name="__codelineno-38-25" href="#__codelineno-38-25"></a><span class="w"> </span><span class="k">raise</span><span class="w"> </span><span class="no">IndexError</span><span class="p">,</span><span class="w"> </span><span class="s1">&#39;стек пуст&#39;</span><span class="w"> </span><span class="k">if</span><span class="w"> </span><span class="n">is_empty?</span>
<a id="__codelineno-38-26" name="__codelineno-38-26" href="#__codelineno-38-26"></a>
<a id="__codelineno-38-27" name="__codelineno-38-27" href="#__codelineno-38-27"></a><span class="w"> </span><span class="vi">@stack</span><span class="o">.</span><span class="n">pop</span>
<a id="__codelineno-38-28" name="__codelineno-38-28" href="#__codelineno-38-28"></a><span class="w"> </span><span class="k">end</span>
<a id="__codelineno-38-29" name="__codelineno-38-29" href="#__codelineno-38-29"></a>
<a id="__codelineno-38-30" name="__codelineno-38-30" href="#__codelineno-38-30"></a><span class="w"> </span><span class="c1">### Доступ к верхнему элементу стека ###</span>
<a id="__codelineno-38-31" name="__codelineno-38-31" href="#__codelineno-38-31"></a><span class="w"> </span><span class="k">def</span><span class="w"> </span><span class="nf">peek</span>
<a id="__codelineno-38-32" name="__codelineno-38-32" href="#__codelineno-38-32"></a><span class="w"> </span><span class="k">raise</span><span class="w"> </span><span class="no">IndexError</span><span class="p">,</span><span class="w"> </span><span class="s1">&#39;стек пуст&#39;</span><span class="w"> </span><span class="k">if</span><span class="w"> </span><span class="n">is_empty?</span>
<a id="__codelineno-38-33" name="__codelineno-38-33" href="#__codelineno-38-33"></a>
<a id="__codelineno-38-34" name="__codelineno-38-34" href="#__codelineno-38-34"></a><span class="w"> </span><span class="vi">@stack</span><span class="o">.</span><span class="n">last</span>
<a id="__codelineno-38-35" name="__codelineno-38-35" href="#__codelineno-38-35"></a><span class="w"> </span><span class="k">end</span>
<a id="__codelineno-38-36" name="__codelineno-38-36" href="#__codelineno-38-36"></a>
<a id="__codelineno-38-37" name="__codelineno-38-37" href="#__codelineno-38-37"></a><span class="w"> </span><span class="c1">### Вернуть список для вывода ###</span>
<a id="__codelineno-38-38" name="__codelineno-38-38" href="#__codelineno-38-38"></a><span class="w"> </span><span class="k">def</span><span class="w"> </span><span class="nf">to_array</span>
<a id="__codelineno-38-39" name="__codelineno-38-39" href="#__codelineno-38-39"></a><span class="w"> </span><span class="vi">@stack</span>
<a id="__codelineno-38-40" name="__codelineno-38-40" href="#__codelineno-38-40"></a><span class="w"> </span><span class="k">end</span>
<a id="__codelineno-38-41" name="__codelineno-38-41" href="#__codelineno-38-41"></a><span class="k">end</span>
</code></pre></div>
</div>
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@@ -6295,7 +6245,7 @@ aria-label="Нижний колонтитул"
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ru/chapter_stack_and_queue/summary/index.html
+46 -124
View File
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<link rel="icon" href="../../assets/images/favicon.png">
<meta name="generator" content="mkdocs-1.6.1, mkdocs-material-9.7.1">
<meta name="generator" content="zensical-0.0.29">
<title>5.4 Резюме - Hello Algo</title>
<title>5.4 Краткие итоги - Hello Algo</title>
<link rel="stylesheet" href="../../assets/stylesheets/main.484c7ddc.min.css">
<link rel="stylesheet" href="../../assets/stylesheets/palette.ab4e12ef.min.css">
<link rel="stylesheet" href="../../assets/stylesheets/modern/main.6f2fbb28.min.css">
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<label class="md-overlay" for="__drawer"></label>
<label class="md-overlay" for="__drawer" aria-label="Навигация"></label>
<div data-md-component="skip">
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<nav class="md-header__inner md-grid" aria-label="Верхний колонтитул">
<a href="../.." title="Hello Algo" class="md-header__button md-logo" aria-label="Hello Algo" data-md-component="logo">
<img src="../../assets/images/logo.svg" alt="logo">
<img src="../../assets/images/logo.svg" alt="Hello Algo">
</a>
<label class="md-header__button md-icon" for="__drawer">
<label class="md-header__button md-icon" for="__drawer" aria-label="Навигация">
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<div class="md-header__title" data-md-component="header-title">
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<span class="md-ellipsis">
5.4 Резюме
5.4 &nbsp; Краткие итоги
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<ul class="md-select__list">
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<label class="md-header__button md-icon" for="__search" aria-label="Поиск">
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<div class="md-search__inner" role="search">
<form class="md-search__form" name="search">
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<nav class="md-search__options" aria-label="Поиск">
<a href="javascript:void(0)" class="md-search__icon md-icon" title="Поделиться" aria-label="Поделиться" data-clipboard data-clipboard-text="" data-md-component="search-share" tabindex="-1">
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<div class="md-search-result" data-md-component="search-result">
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Инициализация поиска
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<div class="md-search" data-md-component="search" role="dialog" aria-label="Поиск">
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<div class="md-header__source">
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<a href="https://github.com/krahets/hello-algo" title="Перейти к репозиторию" class="md-source" data-md-component="source">
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<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 512 512"><!--! Font Awesome Free 7.1.0 by @fontawesome - https://fontawesome.com License - https://fontawesome.com/license/free (Icons: CC BY 4.0, Fonts: SIL OFL 1.1, Code: MIT License) Copyright 2025 Fonticons, Inc.--><path fill="currentColor" d="M173.9 397.4c0 2-2.3 3.6-5.2 3.6-3.3.3-5.6-1.3-5.6-3.6 0-2 2.3-3.6 5.2-3.6 3-.3 5.6 1.3 5.6 3.6m-31.1-4.5c-.7 2 1.3 4.3 4.3 4.9 2.6 1 5.6 0 6.2-2s-1.3-4.3-4.3-5.2c-2.6-.7-5.5.3-6.2 2.3m44.2-1.7c-2.9.7-4.9 2.6-4.6 4.9.3 2 2.9 3.3 5.9 2.6 2.9-.7 4.9-2.6 4.6-4.6-.3-1.9-3-3.2-5.9-2.9M252.8 8C114.1 8 8 113.3 8 252c0 110.9 69.8 205.8 169.5 239.2 12.8 2.3 17.3-5.6 17.3-12.1 0-6.2-.3-40.4-.3-61.4 0 0-70 15-84.7-29.8 0 0-11.4-29.1-27.8-36.6 0 0-22.9-15.7 1.6-15.4 0 0 24.9 2 38.6 25.8 21.9 38.6 58.6 27.5 72.9 20.9 2.3-16 8.8-27.1 16-33.7-55.9-6.2-112.3-14.3-112.3-110.5 0-27.5 7.6-41.3 23.6-58.9-2.6-6.5-11.1-33.3 2.6-67.9 20.9-6.5 69 27 69 27 20-5.6 41.5-8.5 62.8-8.5s42.8 2.9 62.8 8.5c0 0 48.1-33.6 69-27 13.7 34.7 5.2 61.4 2.6 67.9 16 17.7 25.8 31.5 25.8 58.9 0 96.5-58.9 104.2-114.8 110.5 9.2 7.9 17 22.9 17 46.4 0 33.7-.3 75.4-.3 83.6 0 6.5 4.6 14.4 17.3 12.1C436.2 457.8 504 362.9 504 252 504 113.3 391.5 8 252.8 8M105.2 352.9c-1.3 1-1 3.3.7 5.2 1.6 1.6 3.9 2.3 5.2 1 1.3-1 1-3.3-.7-5.2-1.6-1.6-3.9-2.3-5.2-1m-10.8-8.1c-.7 1.3.3 2.9 2.3 3.9 1.6 1 3.6.7 4.3-.7.7-1.3-.3-2.9-2.3-3.9-2-.6-3.6-.3-4.3.7m32.4 35.6c-1.6 1.3-1 4.3 1.3 6.2 2.3 2.3 5.2 2.6 6.5 1 1.3-1.3.7-4.3-1.3-6.2-2.2-2.3-5.2-2.6-6.5-1m-11.4-14.7c-1.6 1-1.6 3.6 0 5.9s4.3 3.3 5.6 2.3c1.6-1.3 1.6-3.9 0-6.2-1.4-2.3-4-3.3-5.6-2"/></svg>
</div>
<div class="md-source__repository">
krahets/hello-algo
</div>
</a>
</div>
</div>
</nav>
</header>
@@ -323,7 +285,7 @@
<label class="md-nav__title" for="__drawer">
<a href="../.." title="Hello Algo" class="md-nav__button md-logo" aria-label="Hello Algo" data-md-component="logo">
<img src="../../assets/images/logo.svg" alt="logo">
<img src="../../assets/images/logo.svg" alt="Hello Algo">
</a>
Hello Algo
@@ -333,7 +295,7 @@
<a href="https://github.com/krahets/hello-algo" title="Перейти к репозиторию" class="md-source" data-md-component="source">
<div class="md-source__icon md-icon">
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<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 512 512"><!--! Font Awesome Free 7.1.0 by @fontawesome - https://fontawesome.com License - https://fontawesome.com/license/free (Icons: CC BY 4.0, Fonts: SIL OFL 1.1, Code: MIT License) Copyright 2025 Fonticons, Inc.--><path fill="currentColor" d="M173.9 397.4c0 2-2.3 3.6-5.2 3.6-3.3.3-5.6-1.3-5.6-3.6 0-2 2.3-3.6 5.2-3.6 3-.3 5.6 1.3 5.6 3.6m-31.1-4.5c-.7 2 1.3 4.3 4.3 4.9 2.6 1 5.6 0 6.2-2s-1.3-4.3-4.3-5.2c-2.6-.7-5.5.3-6.2 2.3m44.2-1.7c-2.9.7-4.9 2.6-4.6 4.9.3 2 2.9 3.3 5.9 2.6 2.9-.7 4.9-2.6 4.6-4.6-.3-1.9-3-3.2-5.9-2.9M252.8 8C114.1 8 8 113.3 8 252c0 110.9 69.8 205.8 169.5 239.2 12.8 2.3 17.3-5.6 17.3-12.1 0-6.2-.3-40.4-.3-61.4 0 0-70 15-84.7-29.8 0 0-11.4-29.1-27.8-36.6 0 0-22.9-15.7 1.6-15.4 0 0 24.9 2 38.6 25.8 21.9 38.6 58.6 27.5 72.9 20.9 2.3-16 8.8-27.1 16-33.7-55.9-6.2-112.3-14.3-112.3-110.5 0-27.5 7.6-41.3 23.6-58.9-2.6-6.5-11.1-33.3 2.6-67.9 20.9-6.5 69 27 69 27 20-5.6 41.5-8.5 62.8-8.5s42.8 2.9 62.8 8.5c0 0 48.1-33.6 69-27 13.7 34.7 5.2 61.4 2.6 67.9 16 17.7 25.8 31.5 25.8 58.9 0 96.5-58.9 104.2-114.8 110.5 9.2 7.9 17 22.9 17 46.4 0 33.7-.3 75.4-.3 83.6 0 6.5 4.6 14.4 17.3 12.1C436.2 457.8 504 362.9 504 252 504 113.3 391.5 8 252.8 8M105.2 352.9c-1.3 1-1 3.3.7 5.2 1.6 1.6 3.9 2.3 5.2 1 1.3-1 1-3.3-.7-5.2-1.6-1.6-3.9-2.3-5.2-1m-10.8-8.1c-.7 1.3.3 2.9 2.3 3.9 1.6 1 3.6.7 4.3-.7.7-1.3-.3-2.9-2.3-3.9-2-.6-3.6-.3-4.3.7m32.4 35.6c-1.6 1.3-1 4.3 1.3 6.2 2.3 2.3 5.2 2.6 6.5 1 1.3-1.3.7-4.3-1.3-6.2-2.2-2.3-5.2-2.6-6.5-1m-11.4-14.7c-1.6 1-1.6 3.6 0 5.9s4.3 3.3 5.6 2.3c1.6-1.3 1.6-3.9 0-6.2-1.4-2.3-4-3.3-5.6-2"/></svg>
</div>
<div class="md-source__repository">
krahets/hello-algo
@@ -1586,7 +1548,7 @@
<span class="md-nav__icon md-icon"></span>
</label>
<a href="./" class="md-nav__link md-nav__link--active">
<a href="././" class="md-nav__link md-nav__link--active">
@@ -1605,6 +1567,7 @@
<nav class="md-nav md-nav--secondary" aria-label="Содержание">
@@ -4316,6 +4279,7 @@
<div class="md-sidebar__inner">
<nav class="md-nav md-nav--secondary" aria-label="Содержание">
@@ -4379,7 +4343,7 @@
class="md-content__button md-icon"
>
<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 512 512"><!--! Font Awesome Free 7.1.0 by @fontawesome - https://fontawesome.com License - https://fontawesome.com/license/free (Icons: CC BY 4.0, Fonts: SIL OFL 1.1, Code: MIT License) Copyright 2025 Fonticons, Inc.--><path d="M441 58.9 453.1 71c9.4 9.4 9.4 24.6 0 33.9L424 134.1 377.9 88 407 58.9c9.4-9.4 24.6-9.4 33.9 0zM209.8 256.2 344 121.9l46.1 46.1-134.3 134.2c-2.9 2.9-6.5 5-10.4 6.1L186.9 325l16.7-58.5c1.1-3.9 3.2-7.5 6.1-10.4zM373.1 25 175.8 222.2c-8.7 8.7-15 19.4-18.3 31.1l-28.6 100c-2.4 8.4-.1 17.4 6.1 23.6s15.2 8.5 23.6 6.1l100-28.6c11.8-3.4 22.5-9.7 31.1-18.3L487 138.9c28.1-28.1 28.1-73.7 0-101.8L474.9 25c-28.1-28.1-73.7-28.1-101.8 0M88 64c-48.6 0-88 39.4-88 88v272c0 48.6 39.4 88 88 88h272c48.6 0 88-39.4 88-88V312c0-13.3-10.7-24-24-24s-24 10.7-24 24v112c0 22.1-17.9 40-40 40H88c-22.1 0-40-17.9-40-40V152c0-22.1 17.9-40 40-40h112c13.3 0 24-10.7 24-24s-10.7-24-24-24z"/></svg>
<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 512 512"><!--! Font Awesome Free 7.1.0 by @fontawesome - https://fontawesome.com License - https://fontawesome.com/license/free (Icons: CC BY 4.0, Fonts: SIL OFL 1.1, Code: MIT License) Copyright 2025 Fonticons, Inc.--><path fill="currentColor" d="M441 58.9 453.1 71c9.4 9.4 9.4 24.6 0 33.9L424 134.1 377.9 88 407 58.9c9.4-9.4 24.6-9.4 33.9 0zM209.8 256.2 344 121.9l46.1 46.1-134.3 134.2c-2.9 2.9-6.5 5-10.4 6.1L186.9 325l16.7-58.5c1.1-3.9 3.2-7.5 6.1-10.4zM373.1 25 175.8 222.2c-8.7 8.7-15 19.4-18.3 31.1l-28.6 100c-2.4 8.4-.1 17.4 6.1 23.6s15.2 8.5 23.6 6.1l100-28.6c11.8-3.4 22.5-9.7 31.1-18.3L487 138.9c28.1-28.1 28.1-73.7 0-101.8L474.9 25c-28.1-28.1-73.7-28.1-101.8 0M88 64c-48.6 0-88 39.4-88 88v272c0 48.6 39.4 88 88 88h272c48.6 0 88-39.4 88-88V312c0-13.3-10.7-24-24-24s-24 10.7-24 24v112c0 22.1-17.9 40-40 40H88c-22.1 0-40-17.9-40-40V152c0-22.1 17.9-40 40-40h112c13.3 0 24-10.7 24-24s-10.7-24-24-24z"/></svg>
</a>
@@ -4438,7 +4402,7 @@ aria-label="Нижний колонтитул"
>
<div class="md-footer__button md-icon">
<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24"><path d="M20 11v2H8l5.5 5.5-1.42 1.42L4.16 12l7.92-7.92L13.5 5.5 8 11z"/></svg>
<svg xmlns="http://www.w3.org/2000/svg" fill="none" stroke="currentColor" stroke-linecap="round" stroke-linejoin="round" stroke-width="2" class="lucide lucide-arrow-left" viewBox="0 0 24 24"><path d="m12 19-7-7 7-7M19 12H5"/></svg>
</div>
<div class="md-footer__title">
<span class="md-footer__direction">
@@ -4470,7 +4434,7 @@ aria-label="Нижний колонтитул"
</div>
<div class="md-footer__button md-icon">
<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24"><path d="M4 11v2h12l-5.5 5.5 1.42 1.42L19.84 12l-7.92-7.92L10.5 5.5 16 11z"/></svg>
<svg xmlns="http://www.w3.org/2000/svg" fill="none" stroke="currentColor" stroke-linecap="round" stroke-linejoin="round" stroke-width="2" class="lucide lucide-arrow-right" viewBox="0 0 24 24"><path d="M5 12h14M12 5l7 7-7 7"/></svg>
</div>
</a>
@@ -4548,7 +4512,7 @@ aria-label="Нижний колонтитул"
<button type="button" class="md-top md-icon" data-md-component="top" hidden>
<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24"><path d="M13 20h-2V8l-5.5 5.5-1.42-1.42L12 4.16l7.92 7.92-1.42 1.42L13 8z"/></svg>
<svg xmlns="http://www.w3.org/2000/svg" fill="none" stroke="currentColor" stroke-linecap="round" stroke-linejoin="round" stroke-width="2" class="lucide lucide-circle-arrow-up" viewBox="0 0 24 24"><circle cx="12" cy="12" r="10"/><path d="m16 12-4-4-4 4M12 16V8"/></svg>
К началу
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@@ -4556,46 +4520,6 @@ aria-label="Нижний колонтитул"
<footer class="md-footer">
<nav class="md-footer__inner md-grid" aria-label="Нижний колонтитул" >
<a href="../deque/" class="md-footer__link md-footer__link--prev" aria-label="Назад: 5.3 Двусторонняя очередь">
<div class="md-footer__button md-icon">
<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24"><path d="M20 11v2H8l5.5 5.5-1.42 1.42L4.16 12l7.92-7.92L13.5 5.5 8 11z"/></svg>
</div>
<div class="md-footer__title">
<span class="md-footer__direction">
Назад
</span>
<div class="md-ellipsis">
5.3 Двусторонняя очередь
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</div>
</a>
<a href="../../chapter_hashing/" class="md-footer__link md-footer__link--next" aria-label="Вперед: Глава 6. &amp;nbsp; Хеш-таблицы">
<div class="md-footer__title">
<span class="md-footer__direction">
Вперед
</span>
<div class="md-ellipsis">
Глава 6. &nbsp; Хеш-таблицы
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<div class="md-footer__button md-icon">
<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24"><path d="M4 11v2h12l-5.5 5.5 1.42 1.42L19.84 12l-7.92-7.92L10.5 5.5 16 11z"/></svg>
</div>
</a>
</nav>
<div class="md-footer-meta md-typeset">
<div class="md-footer-meta__inner md-grid">
<div class="md-copyright">
@@ -4618,7 +4542,7 @@ aria-label="Нижний колонтитул"
<a href="https://github.com/krahets" target="_blank" rel="noopener" title="github.com" class="md-social__link">
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@@ -4629,7 +4553,7 @@ aria-label="Нижний колонтитул"
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@@ -4640,7 +4564,7 @@ aria-label="Нижний колонтитул"
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