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@@ -717,6 +717,8 @@
@@ -911,6 +913,34 @@
<li class="md-nav__item">
<a href="../../chapter_computational_complexity/exercises/" class="md-nav__link">
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@@ -938,6 +968,8 @@
@@ -1132,6 +1164,34 @@
<li class="md-nav__item">
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@@ -1159,6 +1219,8 @@
@@ -1353,6 +1415,34 @@
<li class="md-nav__item">
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@@ -1378,6 +1468,8 @@
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<li class="md-nav__item">
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@@ -1569,6 +1689,8 @@
@@ -1735,6 +1857,34 @@
<li class="md-nav__item">
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@@ -1764,6 +1914,8 @@
@@ -1986,6 +2138,34 @@
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@@ -2011,6 +2191,8 @@
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@@ -2202,6 +2412,8 @@
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@@ -3047,6 +3347,8 @@
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@@ -3886,6 +4276,8 @@
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@@ -4469,7 +4889,7 @@
<div class="tabbed-block">
<div class="highlight"><span class="filename">preorder_traversal_i_compact.cpp</span><pre><span></span><code><a id="__codelineno-1-1" name="__codelineno-1-1" href="#__codelineno-1-1"></a><span class="cm">/* Preorder traversal: Example 1 */</span>
<a id="__codelineno-1-2" name="__codelineno-1-2" href="#__codelineno-1-2"></a><span class="kt">void</span><span class="w"> </span><span class="nf">preOrder</span><span class="p">(</span><span class="n">TreeNode</span><span class="w"> </span><span class="o">*</span><span class="n">root</span><span class="p">)</span><span class="w"> </span><span class="p">{</span>
<a id="__codelineno-1-3" name="__codelineno-1-3" href="#__codelineno-1-3"></a><span class="w"> </span><span class="k">if</span><span class="w"> </span><span class="p">(</span><span class="n">root</span><span class="w"> </span><span class="o">==</span><span class="w"> </span><span class="k">nullptr</span><span class="p">)</span><span class="w"> </span><span class="p">{</span>
<a id="__codelineno-1-3" name="__codelineno-1-3" href="#__codelineno-1-3"></a><span class="w"> </span><span class="k">if</span><span class="w"> </span><span class="p">(</span><span class="n">root</span><span class="w"> </span><span class="o">==</span><span class="w"> </span><span class="nb">nullptr</span><span class="p">)</span><span class="w"> </span><span class="p">{</span>
<a id="__codelineno-1-4" name="__codelineno-1-4" href="#__codelineno-1-4"></a><span class="w"> </span><span class="k">return</span><span class="p">;</span>
<a id="__codelineno-1-5" name="__codelineno-1-5" href="#__codelineno-1-5"></a><span class="w"> </span><span class="p">}</span>
<a id="__codelineno-1-6" name="__codelineno-1-6" href="#__codelineno-1-6"></a><span class="w"> </span><span class="k">if</span><span class="w"> </span><span class="p">(</span><span class="n">root</span><span class="o">-&gt;</span><span class="n">val</span><span class="w"> </span><span class="o">==</span><span class="w"> </span><span class="mi">7</span><span class="p">)</span><span class="w"> </span><span class="p">{</span>
@@ -4681,7 +5101,7 @@
<div class="tabbed-block">
<div class="highlight"><span class="filename">preorder_traversal_ii_compact.cpp</span><pre><span></span><code><a id="__codelineno-14-1" name="__codelineno-14-1" href="#__codelineno-14-1"></a><span class="cm">/* Preorder traversal: Example 2 */</span>
<a id="__codelineno-14-2" name="__codelineno-14-2" href="#__codelineno-14-2"></a><span class="kt">void</span><span class="w"> </span><span class="nf">preOrder</span><span class="p">(</span><span class="n">TreeNode</span><span class="w"> </span><span class="o">*</span><span class="n">root</span><span class="p">)</span><span class="w"> </span><span class="p">{</span>
<a id="__codelineno-14-3" name="__codelineno-14-3" href="#__codelineno-14-3"></a><span class="w"> </span><span class="k">if</span><span class="w"> </span><span class="p">(</span><span class="n">root</span><span class="w"> </span><span class="o">==</span><span class="w"> </span><span class="k">nullptr</span><span class="p">)</span><span class="w"> </span><span class="p">{</span>
<a id="__codelineno-14-3" name="__codelineno-14-3" href="#__codelineno-14-3"></a><span class="w"> </span><span class="k">if</span><span class="w"> </span><span class="p">(</span><span class="n">root</span><span class="w"> </span><span class="o">==</span><span class="w"> </span><span class="nb">nullptr</span><span class="p">)</span><span class="w"> </span><span class="p">{</span>
<a id="__codelineno-14-4" name="__codelineno-14-4" href="#__codelineno-14-4"></a><span class="w"> </span><span class="k">return</span><span class="p">;</span>
<a id="__codelineno-14-5" name="__codelineno-14-5" href="#__codelineno-14-5"></a><span class="w"> </span><span class="p">}</span>
<a id="__codelineno-14-6" name="__codelineno-14-6" href="#__codelineno-14-6"></a><span class="w"> </span><span class="c1">// Attempt</span>
@@ -4997,7 +5417,7 @@
<div class="highlight"><span class="filename">preorder_traversal_iii_compact.cpp</span><pre><span></span><code><a id="__codelineno-27-1" name="__codelineno-27-1" href="#__codelineno-27-1"></a><span class="cm">/* Preorder traversal: Example 3 */</span>
<a id="__codelineno-27-2" name="__codelineno-27-2" href="#__codelineno-27-2"></a><span class="kt">void</span><span class="w"> </span><span class="nf">preOrder</span><span class="p">(</span><span class="n">TreeNode</span><span class="w"> </span><span class="o">*</span><span class="n">root</span><span class="p">)</span><span class="w"> </span><span class="p">{</span>
<a id="__codelineno-27-3" name="__codelineno-27-3" href="#__codelineno-27-3"></a><span class="w"> </span><span class="c1">// Pruning</span>
<a id="__codelineno-27-4" name="__codelineno-27-4" href="#__codelineno-27-4"></a><span class="w"> </span><span class="k">if</span><span class="w"> </span><span class="p">(</span><span class="n">root</span><span class="w"> </span><span class="o">==</span><span class="w"> </span><span class="k">nullptr</span><span class="w"> </span><span class="o">||</span><span class="w"> </span><span class="n">root</span><span class="o">-&gt;</span><span class="n">val</span><span class="w"> </span><span class="o">==</span><span class="w"> </span><span class="mi">3</span><span class="p">)</span><span class="w"> </span><span class="p">{</span>
<a id="__codelineno-27-4" name="__codelineno-27-4" href="#__codelineno-27-4"></a><span class="w"> </span><span class="k">if</span><span class="w"> </span><span class="p">(</span><span class="n">root</span><span class="w"> </span><span class="o">==</span><span class="w"> </span><span class="nb">nullptr</span><span class="w"> </span><span class="o">||</span><span class="w"> </span><span class="n">root</span><span class="o">-&gt;</span><span class="n">val</span><span class="w"> </span><span class="o">==</span><span class="w"> </span><span class="mi">3</span><span class="p">)</span><span class="w"> </span><span class="p">{</span>
<a id="__codelineno-27-5" name="__codelineno-27-5" href="#__codelineno-27-5"></a><span class="w"> </span><span class="k">return</span><span class="p">;</span>
<a id="__codelineno-27-6" name="__codelineno-27-6" href="#__codelineno-27-6"></a><span class="w"> </span><span class="p">}</span>
<a id="__codelineno-27-7" name="__codelineno-27-7" href="#__codelineno-27-7"></a><span class="w"> </span><span class="c1">// Attempt</span>
@@ -5628,7 +6048,7 @@
<a id="__codelineno-53-10" name="__codelineno-53-10" href="#__codelineno-53-10"></a>
<a id="__codelineno-53-11" name="__codelineno-53-11" href="#__codelineno-53-11"></a><span class="cm">/* Check if the choice is valid under the current state */</span>
<a id="__codelineno-53-12" name="__codelineno-53-12" href="#__codelineno-53-12"></a><span class="kt">bool</span><span class="w"> </span><span class="nf">isValid</span><span class="p">(</span><span class="n">vector</span><span class="o">&lt;</span><span class="n">TreeNode</span><span class="w"> </span><span class="o">*&gt;</span><span class="w"> </span><span class="o">&amp;</span><span class="n">state</span><span class="p">,</span><span class="w"> </span><span class="n">TreeNode</span><span class="w"> </span><span class="o">*</span><span class="n">choice</span><span class="p">)</span><span class="w"> </span><span class="p">{</span>
<a id="__codelineno-53-13" name="__codelineno-53-13" href="#__codelineno-53-13"></a><span class="w"> </span><span class="k">return</span><span class="w"> </span><span class="n">choice</span><span class="w"> </span><span class="o">!=</span><span class="w"> </span><span class="k">nullptr</span><span class="w"> </span><span class="o">&amp;&amp;</span><span class="w"> </span><span class="n">choice</span><span class="o">-&gt;</span><span class="n">val</span><span class="w"> </span><span class="o">!=</span><span class="w"> </span><span class="mi">3</span><span class="p">;</span>
<a id="__codelineno-53-13" name="__codelineno-53-13" href="#__codelineno-53-13"></a><span class="w"> </span><span class="k">return</span><span class="w"> </span><span class="n">choice</span><span class="w"> </span><span class="o">!=</span><span class="w"> </span><span class="nb">nullptr</span><span class="w"> </span><span class="o">&amp;&amp;</span><span class="w"> </span><span class="n">choice</span><span class="o">-&gt;</span><span class="n">val</span><span class="w"> </span><span class="o">!=</span><span class="w"> </span><span class="mi">3</span><span class="p">;</span>
<a id="__codelineno-53-14" name="__codelineno-53-14" href="#__codelineno-53-14"></a><span class="p">}</span>
<a id="__codelineno-53-15" name="__codelineno-53-15" href="#__codelineno-53-15"></a>
<a id="__codelineno-53-16" name="__codelineno-53-16" href="#__codelineno-53-16"></a><span class="cm">/* Update state */</span>
en/chapter_backtracking/exercises/index.html
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en/chapter_backtracking/index.html
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@@ -15,7 +15,7 @@
<link rel="canonical" href="https://www.hello-algo.com/en/chapter_backtracking/">
<link rel="prev" href="../chapter_divide_and_conquer/summary/">
<link rel="prev" href="../chapter_divide_and_conquer/exercises/">
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@@ -717,6 +717,8 @@
@@ -911,6 +913,34 @@
<li class="md-nav__item">
<a href="../chapter_computational_complexity/exercises/" class="md-nav__link">
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@@ -938,6 +968,8 @@
@@ -1132,6 +1164,34 @@
<li class="md-nav__item">
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@@ -1159,6 +1219,8 @@
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<li class="md-nav__item">
<a href="../chapter_array_and_linkedlist/exercises/" class="md-nav__link">
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4.6 Exercises
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@@ -1378,6 +1468,8 @@
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<li class="md-nav__item">
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@@ -1569,6 +1689,8 @@
@@ -1735,6 +1857,34 @@
<li class="md-nav__item">
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@@ -1764,6 +1914,8 @@
@@ -1986,6 +2138,34 @@
<li class="md-nav__item">
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@@ -2011,6 +2191,8 @@
@@ -2177,6 +2359,34 @@
<li class="md-nav__item">
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@@ -2202,6 +2412,8 @@
@@ -2368,6 +2580,34 @@
<li class="md-nav__item">
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@@ -2397,6 +2637,8 @@
@@ -2619,6 +2861,34 @@
<li class="md-nav__item">
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10.7 Exercises
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@@ -2658,6 +2928,8 @@
@@ -3020,6 +3292,34 @@
<li class="md-nav__item">
<a href="../chapter_sorting/exercises/" class="md-nav__link">
<span class="md-ellipsis">
11.12 Exercises
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@@ -3047,6 +3347,8 @@
@@ -3241,6 +3543,34 @@
<li class="md-nav__item">
<a href="../chapter_divide_and_conquer/exercises/" class="md-nav__link">
<span class="md-ellipsis">
12.6 Exercises
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@@ -3270,6 +3600,8 @@
@@ -3464,6 +3796,34 @@
<li class="md-nav__item">
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13.6 Exercises
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@@ -3495,6 +3855,8 @@
@@ -3745,6 +4107,34 @@
<li class="md-nav__item">
<a href="../chapter_dynamic_programming/exercises/" class="md-nav__link">
<span class="md-ellipsis">
14.8 Exercises
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@@ -3772,6 +4162,8 @@
@@ -3966,6 +4358,34 @@
<li class="md-nav__item">
<a href="../chapter_greedy/exercises/" class="md-nav__link">
<span class="md-ellipsis">
15.6 Exercises
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@@ -4289,6 +4709,7 @@
<li><a href="subset_sum_problem/">13.3 &nbsp; Subset-Sum Problem</a></li>
<li><a href="n_queens_problem/">13.4 &nbsp; N-Queens Problem</a></li>
<li><a href="summary/">13.5 &nbsp; Summary</a></li>
<li><a href="exercises/">13.6 &nbsp; Exercises</a></li>
</ul>
<!-- Source file information -->
@@ -4310,9 +4731,9 @@ aria-label="Footer"
<a
href="../chapter_divide_and_conquer/summary/"
href="../chapter_divide_and_conquer/exercises/"
class="md-footer__link md-footer__link--prev"
aria-label="Previous: 12.5 Summary"
aria-label="Previous: 12.6 Exercises"
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@@ -4324,7 +4745,7 @@ aria-label="Footer"
Previous
</span>
<div class="md-ellipsis">
12.5 Summary
12.6 Exercises
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</div>
</a>
en/chapter_backtracking/n_queens_problem/index.html
+420
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@@ -717,6 +717,8 @@
@@ -911,6 +913,34 @@
<li class="md-nav__item">
<a href="../../chapter_computational_complexity/exercises/" class="md-nav__link">
<span class="md-ellipsis">
2.6 Exercises
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@@ -938,6 +968,8 @@
@@ -1132,6 +1164,34 @@
<li class="md-nav__item">
<a href="../../chapter_data_structure/exercises/" class="md-nav__link">
<span class="md-ellipsis">
3.6 Exercises
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@@ -1159,6 +1219,8 @@
@@ -1353,6 +1415,34 @@
<li class="md-nav__item">
<a href="../../chapter_array_and_linkedlist/exercises/" class="md-nav__link">
<span class="md-ellipsis">
4.6 Exercises
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@@ -1378,6 +1468,8 @@
@@ -1544,6 +1636,34 @@
<li class="md-nav__item">
<a href="../../chapter_stack_and_queue/exercises/" class="md-nav__link">
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5.5 Exercises
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@@ -1569,6 +1689,8 @@
@@ -1735,6 +1857,34 @@
<li class="md-nav__item">
<a href="../../chapter_hashing/exercises/" class="md-nav__link">
<span class="md-ellipsis">
6.5 Exercises
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@@ -1764,6 +1914,8 @@
@@ -1986,6 +2138,34 @@
<li class="md-nav__item">
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7.7 Exercises
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@@ -2011,6 +2191,8 @@
@@ -2177,6 +2359,34 @@
<li class="md-nav__item">
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8.5 Exercises
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@@ -2202,6 +2412,8 @@
@@ -2368,6 +2580,34 @@
<li class="md-nav__item">
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9.5 Exercises
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@@ -2397,6 +2637,8 @@
@@ -2619,6 +2861,34 @@
<li class="md-nav__item">
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10.7 Exercises
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@@ -2658,6 +2928,8 @@
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