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Documentation for c26eea874d
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realstealthninja
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<title>TheAlgorithms/C++: sorting/pancake_sort.cpp Source File</title>
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@@ -60,7 +60,7 @@ window.MathJax = {
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@@ -124,17 +124,18 @@ $(function(){initNavTree('d3/d92/pancake__sort_8cpp_source.html','../../'); init
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<div class="headertitle"><div class="title">pancake_sort.cpp</div></div>
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</div><!--header-->
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<div class="contents">
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<a href="../../d3/d92/pancake__sort_8cpp.html">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a id="l00001" name="l00001"></a><span class="lineno"> 1</span> </div>
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<a href="../../d3/d92/pancake__sort_8cpp.html">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a id="l00001" name="l00001"></a><span class="lineno"> 1</span></div>
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<div class="line"><a id="l00018" name="l00018"></a><span class="lineno"> 18</span> </div>
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<div class="line"><a id="l00019" name="l00019"></a><span class="lineno"> 19</span><span class="preprocessor">#include <algorithm></span> <span class="comment">// for std::is_sorted</span></div>
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<div class="line"><a id="l00020" name="l00020"></a><span class="lineno"> 20</span><span class="preprocessor">#include <cassert></span> <span class="comment">// for std::assert</span></div>
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<div class="line"><a id="l00021" name="l00021"></a><span class="lineno"> 21</span><span class="preprocessor">#include <iostream></span> <span class="comment">// for io operations</span></div>
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<div class="line"><a id="l00022" name="l00022"></a><span class="lineno"> 22</span><span class="preprocessor">#include <vector></span> <span class="comment">// for std::vector</span></div>
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<div class="line"><a id="l00023" name="l00023"></a><span class="lineno"> 23</span> </div>
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<div class="line"><a id="l00023" name="l00023"></a><span class="lineno"> 23</span></div>
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<div class="line"><a id="l00028" name="l00028"></a><span class="lineno"> 28</span><span class="keyword">namespace </span><a class="code hl_namespace" href="../../d5/d91/namespacesorting.html">sorting</a> {</div>
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<div class="line"><a id="l00034" name="l00034"></a><span class="lineno"> 34</span><span class="keyword">namespace </span><a class="code hl_namespace" href="../../df/d10/namespacepancake__sort.html">pancake_sort</a> {</div>
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<div class="line"><a id="l00042" name="l00042"></a><span class="lineno"> 42</span><span class="keyword">template</span> <<span class="keyword">typename</span> T></div>
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<div class="foldopen" id="foldopen00043" data-start="{" data-end="}">
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<div class="line"><a id="l00043" name="l00043"></a><span class="lineno"><a class="line" href="../../d3/d92/pancake__sort_8cpp.html#a99e27ad84ad43df9977776b1a8d5416e"> 43</a></span><span class="keywordtype">void</span> reverse(std::vector<T> &arr, <span class="keywordtype">int</span> start, <span class="keywordtype">int</span> end) {</div>
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<div class="line"><a id="l00043" name="l00043"></a><span class="lineno"><a class="line" href="../../d3/d92/pancake__sort_8cpp.html#a99e27ad84ad43df9977776b1a8d5416e"> 43</a></span><span class="keywordtype">void</span> <a class="code hl_function" href="../../d3/d92/pancake__sort_8cpp.html#a99e27ad84ad43df9977776b1a8d5416e">reverse</a>(std::vector<T> &arr, <span class="keywordtype">int</span> start, <span class="keywordtype">int</span> end) {</div>
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<div class="line"><a id="l00044" name="l00044"></a><span class="lineno"> 44</span> T temp; <span class="comment">// Temporary variable</span></div>
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<div class="line"><a id="l00045" name="l00045"></a><span class="lineno"> 45</span> <span class="keywordflow">while</span> (start <= end) {</div>
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<div class="line"><a id="l00046" name="l00046"></a><span class="lineno"> 46</span> temp = arr[start];</div>
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@@ -145,6 +146,7 @@ $(function(){initNavTree('d3/d92/pancake__sort_8cpp_source.html','../../'); init
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<div class="line"><a id="l00051" name="l00051"></a><span class="lineno"> 51</span> }</div>
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<div class="line"><a id="l00052" name="l00052"></a><span class="lineno"> 52</span>}</div>
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</div>
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<div class="line"><a id="l00053" name="l00053"></a><span class="lineno"> 53</span></div>
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<div class="line"><a id="l00060" name="l00060"></a><span class="lineno"> 60</span><span class="keyword">template</span> <<span class="keyword">typename</span> T></div>
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<div class="foldopen" id="foldopen00061" data-start="{" data-end="}">
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<div class="line"><a id="l00061" name="l00061"></a><span class="lineno"><a class="line" href="../../d3/d92/pancake__sort_8cpp.html#abff90bc0f54e4f8ea5f0330471781bd5"> 61</a></span><span class="keywordtype">int</span> <a class="code hl_function" href="../../d3/d92/pancake__sort_8cpp.html#abff90bc0f54e4f8ea5f0330471781bd5">pancakeSort</a>(std::vector<T> &arr, <span class="keywordtype">int</span> size) {</div>
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@@ -159,8 +161,8 @@ $(function(){initNavTree('d3/d92/pancake__sort_8cpp_source.html','../../'); init
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<div class="line"><a id="l00070" name="l00070"></a><span class="lineno"> 70</span> }</div>
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<div class="line"><a id="l00071" name="l00071"></a><span class="lineno"> 71</span> <span class="keywordflow">if</span> (max_index != i - 1) <span class="comment">// check for reversing</span></div>
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<div class="line"><a id="l00072" name="l00072"></a><span class="lineno"> 72</span> {</div>
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<div class="line"><a id="l00073" name="l00073"></a><span class="lineno"> 73</span> reverse(arr, 0, max_index);</div>
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<div class="line"><a id="l00074" name="l00074"></a><span class="lineno"> 74</span> reverse(arr, 0, i - 1);</div>
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<div class="line"><a id="l00073" name="l00073"></a><span class="lineno"> 73</span> <a class="code hl_function" href="../../d3/d92/pancake__sort_8cpp.html#a99e27ad84ad43df9977776b1a8d5416e">reverse</a>(arr, 0, max_index);</div>
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<div class="line"><a id="l00074" name="l00074"></a><span class="lineno"> 74</span> <a class="code hl_function" href="../../d3/d92/pancake__sort_8cpp.html#a99e27ad84ad43df9977776b1a8d5416e">reverse</a>(arr, 0, i - 1);</div>
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<div class="line"><a id="l00075" name="l00075"></a><span class="lineno"> 75</span> }</div>
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<div class="line"><a id="l00076" name="l00076"></a><span class="lineno"> 76</span> }</div>
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<div class="line"><a id="l00077" name="l00077"></a><span class="lineno"> 77</span> <span class="keywordflow">return</span> 0;</div>
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@@ -168,14 +170,14 @@ $(function(){initNavTree('d3/d92/pancake__sort_8cpp_source.html','../../'); init
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</div>
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<div class="line"><a id="l00079" name="l00079"></a><span class="lineno"> 79</span>} <span class="comment">// namespace pancake_sort</span></div>
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<div class="line"><a id="l00080" name="l00080"></a><span class="lineno"> 80</span>} <span class="comment">// namespace sorting</span></div>
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<div class="line"><a id="l00081" name="l00081"></a><span class="lineno"> 81</span> </div>
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<div class="line"><a id="l00081" name="l00081"></a><span class="lineno"> 81</span></div>
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<div class="foldopen" id="foldopen00086" data-start="{" data-end="}">
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<div class="line"><a id="l00086" name="l00086"></a><span class="lineno"><a class="line" href="../../d3/d92/pancake__sort_8cpp.html#aa8dca7b867074164d5f45b0f3851269d"> 86</a></span><span class="keyword">static</span> <span class="keywordtype">void</span> <a class="code hl_function" href="../../d3/d92/pancake__sort_8cpp.html#aa8dca7b867074164d5f45b0f3851269d">test</a>() {</div>
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<div class="line"><a id="l00087" name="l00087"></a><span class="lineno"> 87</span> <span class="comment">// example 1: vector of int</span></div>
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<div class="line"><a id="l00088" name="l00088"></a><span class="lineno"> 88</span> <span class="keyword">const</span> <span class="keywordtype">int</span> size1 = 7;</div>
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<div class="line"><a id="l00089" name="l00089"></a><span class="lineno"> 89</span> std::cout << <span class="stringliteral">"\nTest 1- as std::vector<int>..."</span>;</div>
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<div class="line"><a id="l00090" name="l00090"></a><span class="lineno"> 90</span> std::vector<int> arr1 = {23, 10, 20, 11, 12, 6, 7};</div>
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<div class="line"><a id="l00091" name="l00091"></a><span class="lineno"> 91</span> sorting::pancake_sort::pancakeSort(arr1, size1);</div>
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<div class="line"><a id="l00091" name="l00091"></a><span class="lineno"> 91</span> <a class="code hl_function" href="../../d3/d92/pancake__sort_8cpp.html#abff90bc0f54e4f8ea5f0330471781bd5">sorting::pancake_sort::pancakeSort</a>(arr1, size1);</div>
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<div class="line"><a id="l00092" name="l00092"></a><span class="lineno"> 92</span> assert(std::is_sorted(arr1.begin(), arr1.end()));</div>
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<div class="line"><a id="l00093" name="l00093"></a><span class="lineno"> 93</span> std::cout << <span class="stringliteral">"Passed\n"</span>;</div>
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<div class="line"><a id="l00094" name="l00094"></a><span class="lineno"> 94</span> <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i < size1; i++) {</div>
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@@ -188,7 +190,7 @@ $(function(){initNavTree('d3/d92/pancake__sort_8cpp_source.html','../../'); init
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<div class="line"><a id="l00101" name="l00101"></a><span class="lineno"> 101</span> std::cout << <span class="stringliteral">"\nTest 2- as std::vector<double>..."</span>;</div>
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<div class="line"><a id="l00102" name="l00102"></a><span class="lineno"> 102</span> std::vector<double> arr2 = {23.56, 10.62, 200.78, 111.484,</div>
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<div class="line"><a id="l00103" name="l00103"></a><span class="lineno"> 103</span> 3.9, 1.2, 61.77, 79.6};</div>
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<div class="line"><a id="l00104" name="l00104"></a><span class="lineno"> 104</span> sorting::pancake_sort::pancakeSort(arr2, size2);</div>
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<div class="line"><a id="l00104" name="l00104"></a><span class="lineno"> 104</span> <a class="code hl_function" href="../../d3/d92/pancake__sort_8cpp.html#abff90bc0f54e4f8ea5f0330471781bd5">sorting::pancake_sort::pancakeSort</a>(arr2, size2);</div>
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<div class="line"><a id="l00105" name="l00105"></a><span class="lineno"> 105</span> assert(std::is_sorted(arr2.begin(), arr2.end()));</div>
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<div class="line"><a id="l00106" name="l00106"></a><span class="lineno"> 106</span> std::cout << <span class="stringliteral">"Passed\n"</span>;</div>
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<div class="line"><a id="l00107" name="l00107"></a><span class="lineno"> 107</span> <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i < size2; i++) {</div>
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@@ -200,7 +202,7 @@ $(function(){initNavTree('d3/d92/pancake__sort_8cpp_source.html','../../'); init
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<div class="line"><a id="l00113" name="l00113"></a><span class="lineno"> 113</span> <span class="keyword">const</span> <span class="keywordtype">int</span> size3 = 7;</div>
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<div class="line"><a id="l00114" name="l00114"></a><span class="lineno"> 114</span> std::cout << <span class="stringliteral">"\nTest 3- as std::vector<float>..."</span>;</div>
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<div class="line"><a id="l00115" name="l00115"></a><span class="lineno"> 115</span> std::vector<float> arr3 = {6.56, 12.62, 200.78, 768.484, 19.27, 68.87, 9.6};</div>
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<div class="line"><a id="l00116" name="l00116"></a><span class="lineno"> 116</span> sorting::pancake_sort::pancakeSort(arr3, size3);</div>
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<div class="line"><a id="l00116" name="l00116"></a><span class="lineno"> 116</span> <a class="code hl_function" href="../../d3/d92/pancake__sort_8cpp.html#abff90bc0f54e4f8ea5f0330471781bd5">sorting::pancake_sort::pancakeSort</a>(arr3, size3);</div>
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<div class="line"><a id="l00117" name="l00117"></a><span class="lineno"> 117</span> assert(std::is_sorted(arr3.begin(), arr3.end()));</div>
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<div class="line"><a id="l00118" name="l00118"></a><span class="lineno"> 118</span> std::cout << <span class="stringliteral">"Passed\n"</span>;</div>
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<div class="line"><a id="l00119" name="l00119"></a><span class="lineno"> 119</span> <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i < size3; i++) {</div>
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@@ -209,6 +211,7 @@ $(function(){initNavTree('d3/d92/pancake__sort_8cpp_source.html','../../'); init
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<div class="line"><a id="l00122" name="l00122"></a><span class="lineno"> 122</span> std::cout << std::endl;</div>
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<div class="line"><a id="l00123" name="l00123"></a><span class="lineno"> 123</span>}</div>
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</div>
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<div class="line"><a id="l00124" name="l00124"></a><span class="lineno"> 124</span></div>
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<div class="foldopen" id="foldopen00128" data-start="{" data-end="}">
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<div class="line"><a id="l00128" name="l00128"></a><span class="lineno"><a class="line" href="../../d3/d92/pancake__sort_8cpp.html#ae66f6b31b5ad750f1fe042a706a4e3d4"> 128</a></span><span class="keywordtype">int</span> <a class="code hl_function" href="../../d3/d92/pancake__sort_8cpp.html#ae66f6b31b5ad750f1fe042a706a4e3d4">main</a>() {</div>
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<div class="line"><a id="l00129" name="l00129"></a><span class="lineno"> 129</span> <a class="code hl_function" href="../../d3/d92/pancake__sort_8cpp.html#aa8dca7b867074164d5f45b0f3851269d">test</a>();</div>
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@@ -217,6 +220,7 @@ $(function(){initNavTree('d3/d92/pancake__sort_8cpp_source.html','../../'); init
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</div>
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<div class="ttc" id="anamespacepancake__sort_html"><div class="ttname"><a href="../../df/d10/namespacepancake__sort.html">pancake_sort</a></div><div class="ttdoc">Functions for Pancake sort algorithm.</div></div>
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<div class="ttc" id="anamespacesorting_html"><div class="ttname"><a href="../../d5/d91/namespacesorting.html">sorting</a></div><div class="ttdoc">for working with vectors</div></div>
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<div class="ttc" id="apancake__sort_8cpp_html_a99e27ad84ad43df9977776b1a8d5416e"><div class="ttname"><a href="../../d3/d92/pancake__sort_8cpp.html#a99e27ad84ad43df9977776b1a8d5416e">sorting::pancake_sort::reverse</a></div><div class="ttdeci">void reverse(std::vector< T > &arr, int start, int end)</div><div class="ttdoc">This implementation is for reversing elements in a a C-style array .</div><div class="ttdef"><b>Definition</b> <a href="#l00043">pancake_sort.cpp:43</a></div></div>
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<div class="ttc" id="apancake__sort_8cpp_html_aa8dca7b867074164d5f45b0f3851269d"><div class="ttname"><a href="../../d3/d92/pancake__sort_8cpp.html#aa8dca7b867074164d5f45b0f3851269d">test</a></div><div class="ttdeci">static void test()</div><div class="ttdoc">Test implementations.</div><div class="ttdef"><b>Definition</b> <a href="#l00086">pancake_sort.cpp:86</a></div></div>
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<div class="ttc" id="apancake__sort_8cpp_html_abff90bc0f54e4f8ea5f0330471781bd5"><div class="ttname"><a href="../../d3/d92/pancake__sort_8cpp.html#abff90bc0f54e4f8ea5f0330471781bd5">sorting::pancake_sort::pancakeSort</a></div><div class="ttdeci">int pancakeSort(std::vector< T > &arr, int size)</div><div class="ttdoc">This implementation is for a C-style array input that gets modified in place.</div><div class="ttdef"><b>Definition</b> <a href="#l00061">pancake_sort.cpp:61</a></div></div>
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<div class="ttc" id="apancake__sort_8cpp_html_ae66f6b31b5ad750f1fe042a706a4e3d4"><div class="ttname"><a href="../../d3/d92/pancake__sort_8cpp.html#ae66f6b31b5ad750f1fe042a706a4e3d4">main</a></div><div class="ttdeci">int main()</div><div class="ttdoc">Main function.</div><div class="ttdef"><b>Definition</b> <a href="#l00128">pancake_sort.cpp:128</a></div></div>
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@@ -226,7 +230,7 @@ $(function(){initNavTree('d3/d92/pancake__sort_8cpp_source.html','../../'); init
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<div id="nav-path" class="navpath"><!-- id is needed for treeview function! -->
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<ul>
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<li class="navelem"><a class="el" href="../../dir_bb1b521853a9c46347182a9d10420771.html">sorting</a></li><li class="navelem"><a class="el" href="../../d3/d92/pancake__sort_8cpp.html">pancake_sort.cpp</a></li>
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<li class="footer">Generated by <a href="https://www.doxygen.org/index.html"><img class="footer" src="../../doxygen.svg" width="104" height="31" alt="doxygen"/></a> 1.12.0 </li>
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<li class="footer">Generated by <a href="https://www.doxygen.org/index.html"><img class="footer" src="../../doxygen.svg" width="104" height="31" alt="doxygen"/></a> 1.13.2 </li>
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