This commit is contained in:
krahets
2023-08-17 05:12:16 +08:00
parent 2014338a92
commit 5884de5246
70 changed files with 1890 additions and 1219 deletions
+3 -3
View File
@@ -3476,7 +3476,7 @@
<h2 id="621">6.2.1. &nbsp; 链式地址<a class="headerlink" href="#621" title="Permanent link">&para;</a></h2>
<p>在原始哈希表中,每个桶仅能存储一个键值对。「链式地址 Separate Chaining」将单个元素转换为链表,将键值对作为链表节点,将所有发生冲突的键值对都存储在同一链表中。</p>
<p><img alt="链式地址哈希表" src="../hash_collision.assets/hash_table_chaining.png" /></p>
<p align="center"> Fig. 链式地址哈希表 </p>
<p align="center"> 图:链式地址哈希表 </p>
<p>链式地址下,哈希表的操作方法包括:</p>
<ul>
@@ -3991,7 +3991,7 @@
<a id="__codelineno-4-68" name="__codelineno-4-68" href="#__codelineno-4-68"></a><span class="w"> </span><span class="k">for</span><span class="w"> </span><span class="p">(</span><span class="kd">let</span><span class="w"> </span><span class="nx">i</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="mf">0</span><span class="p">;</span><span class="w"> </span><span class="nx">i</span><span class="w"> </span><span class="o">&lt;</span><span class="w"> </span><span class="nx">bucket</span><span class="p">.</span><span class="nx">length</span><span class="p">;</span><span class="w"> </span><span class="nx">i</span><span class="o">++</span><span class="p">)</span><span class="w"> </span><span class="p">{</span>
<a id="__codelineno-4-69" name="__codelineno-4-69" href="#__codelineno-4-69"></a><span class="w"> </span><span class="k">if</span><span class="w"> </span><span class="p">(</span><span class="nx">bucket</span><span class="p">[</span><span class="nx">i</span><span class="p">].</span><span class="nx">key</span><span class="w"> </span><span class="o">===</span><span class="w"> </span><span class="nx">key</span><span class="p">)</span><span class="w"> </span><span class="p">{</span>
<a id="__codelineno-4-70" name="__codelineno-4-70" href="#__codelineno-4-70"></a><span class="w"> </span><span class="nx">bucket</span><span class="p">.</span><span class="nx">splice</span><span class="p">(</span><span class="nx">i</span><span class="p">,</span><span class="w"> </span><span class="mf">1</span><span class="p">);</span>
<a id="__codelineno-4-71" name="__codelineno-4-71" href="#__codelineno-4-71"></a><span class="w"> </span><span class="k">this</span><span class="p">.</span><span class="nx">size</span><span class="o">--</span><span class="p">;</span>
<a id="__codelineno-4-71" name="__codelineno-4-71" href="#__codelineno-4-71"></a><span class="w"> </span><span class="k">this</span><span class="p">.</span><span class="err">#</span><span class="nx">size</span><span class="o">--</span><span class="p">;</span>
<a id="__codelineno-4-72" name="__codelineno-4-72" href="#__codelineno-4-72"></a><span class="w"> </span><span class="k">break</span><span class="p">;</span>
<a id="__codelineno-4-73" name="__codelineno-4-73" href="#__codelineno-4-73"></a><span class="w"> </span><span class="p">}</span>
<a id="__codelineno-4-74" name="__codelineno-4-74" href="#__codelineno-4-74"></a><span class="w"> </span><span class="p">}</span>
@@ -4598,7 +4598,7 @@
<li><strong>查找元素</strong>:若发现哈希冲突,则使用相同步长向后线性遍历,直到找到对应元素,返回 <code>value</code> 即可;如果遇到空位,说明目标键值对不在哈希表中,返回 <span class="arithmatex">\(\text{None}\)</span></li>
</ul>
<p><img alt="线性探测" src="../hash_collision.assets/hash_table_linear_probing.png" /></p>
<p align="center"> Fig. 线性探测 </p>
<p align="center"> 图:线性探测 </p>
<p>然而,线性探测存在以下缺陷:</p>
<ul>