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<a href="../../dd/d0d/insertion__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>
<div class="line"><a id="l00041" name="l00041"></a><span class="lineno"> 41</span> </div>
<div class="line"><a id="l00042" name="l00042"></a><span class="lineno"> 42</span><span class="preprocessor">#include &lt;algorithm&gt;</span></div>
<div class="line"><a id="l00043" name="l00043"></a><span class="lineno"> 43</span><span class="preprocessor">#include &lt;cassert&gt;</span></div>
<div class="line"><a id="l00044" name="l00044"></a><span class="lineno"> 44</span><span class="preprocessor">#include &lt;iostream&gt;</span></div>
<div class="line"><a id="l00045" name="l00045"></a><span class="lineno"> 45</span><span class="preprocessor">#include &lt;vector&gt;</span></div>
<div class="line"><a id="l00046" name="l00046"></a><span class="lineno"> 46</span></div>
<div class="line"><a id="l00050" name="l00050"></a><span class="lineno"> 50</span><span class="keyword">namespace </span><a class="code hl_namespace" href="../../d5/d91/namespacesorting.html">sorting</a> {</div>
<div class="line"><a id="l00058" name="l00058"></a><span class="lineno"> 58</span><span class="keyword">template</span> &lt;<span class="keyword">typename</span> T&gt;</div>
<div class="foldopen" id="foldopen00059" data-start="{" data-end="}">
<div class="line"><a id="l00059" name="l00059"></a><span class="lineno"><a class="line" href="../../d5/d91/namespacesorting.html#a78cb2f3b97b6db2c062b2a1df05c9ea9"> 59</a></span><span class="keywordtype">void</span> <a class="code hl_function" href="../../d5/d91/namespacesorting.html#a78cb2f3b97b6db2c062b2a1df05c9ea9">insertionSort</a>(T *arr, <span class="keywordtype">int</span> n) {</div>
<div class="line"><a id="l00060" name="l00060"></a><span class="lineno"> 60</span> <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 1; i &lt; n; i++) {</div>
<div class="line"><a id="l00061" name="l00061"></a><span class="lineno"> 61</span> T temp = arr[i];</div>
<div class="line"><a id="l00062" name="l00062"></a><span class="lineno"> 62</span> <span class="keywordtype">int</span> j = i - 1;</div>
<div class="line"><a id="l00063" name="l00063"></a><span class="lineno"> 63</span> <span class="keywordflow">while</span> (j &gt;= 0 &amp;&amp; temp &lt; arr[j]) {</div>
<div class="line"><a id="l00064" name="l00064"></a><span class="lineno"> 64</span> arr[j + 1] = arr[j];</div>
<div class="line"><a id="l00065" name="l00065"></a><span class="lineno"> 65</span> j--;</div>
<div class="line"><a id="l00066" name="l00066"></a><span class="lineno"> 66</span> }</div>
<div class="line"><a id="l00067" name="l00067"></a><span class="lineno"> 67</span> arr[j + 1] = temp;</div>
<div class="line"><a id="l00068" name="l00068"></a><span class="lineno"> 68</span> }</div>
<div class="line"><a id="l00069" name="l00069"></a><span class="lineno"> 69</span>}</div>
</div>
<div class="line"><a id="l00070" name="l00070"></a><span class="lineno"> 70</span></div>
<div class="line"><a id="l00076" name="l00076"></a><span class="lineno"> 76</span><span class="keyword">template</span> &lt;<span class="keyword">typename</span> T&gt;</div>
<div class="foldopen" id="foldopen00077" data-start="{" data-end="}">
<div class="line"><a id="l00077" name="l00077"></a><span class="lineno"><a class="line" href="../../d5/d91/namespacesorting.html#a8fe6bac9e03f58abcc2ce26ef3de1b5f"> 77</a></span><span class="keywordtype">void</span> <a class="code hl_function" href="../../d5/d91/namespacesorting.html#a78cb2f3b97b6db2c062b2a1df05c9ea9">insertionSort</a>(std::vector&lt;T&gt; *arr) {</div>
<div class="line"><a id="l00078" name="l00078"></a><span class="lineno"> 78</span> <span class="keywordtype">size_t</span> n = arr-&gt;size();</div>
<div class="line"><a id="l00079" name="l00079"></a><span class="lineno"> 79</span> </div>
<div class="line"><a id="l00080" name="l00080"></a><span class="lineno"> 80</span> <span class="keywordflow">for</span> (<span class="keywordtype">size_t</span> i = 1; i &lt; n; i++) {</div>
<div class="line"><a id="l00081" name="l00081"></a><span class="lineno"> 81</span> T temp = arr[0][i];</div>
<div class="line"><a id="l00082" name="l00082"></a><span class="lineno"> 82</span> int32_t j = i - 1;</div>
<div class="line"><a id="l00083" name="l00083"></a><span class="lineno"> 83</span> <span class="keywordflow">while</span> (j &gt;= 0 &amp;&amp; temp &lt; arr[0][j]) {</div>
<div class="line"><a id="l00084" name="l00084"></a><span class="lineno"> 84</span> arr[0][j + 1] = arr[0][j];</div>
<div class="line"><a id="l00085" name="l00085"></a><span class="lineno"> 85</span> j--;</div>
<div class="line"><a id="l00086" name="l00086"></a><span class="lineno"> 86</span> }</div>
<div class="line"><a id="l00087" name="l00087"></a><span class="lineno"> 87</span> arr[0][j + 1] = temp;</div>
<div class="line"><a id="l00088" name="l00088"></a><span class="lineno"> 88</span> }</div>
<div class="line"><a id="l00089" name="l00089"></a><span class="lineno"> 89</span>}</div>
</div>
<div class="line"><a id="l00090" name="l00090"></a><span class="lineno"> 90</span> </div>
<div class="line"><a id="l00091" name="l00091"></a><span class="lineno"> 91</span>} <span class="comment">// namespace sorting</span></div>
<div class="line"><a id="l00092" name="l00092"></a><span class="lineno"> 92</span></div>
<div class="line"><a id="l00100" name="l00100"></a><span class="lineno"> 100</span><span class="keyword">template</span> &lt;<span class="keyword">typename</span> T&gt;</div>
<div class="foldopen" id="foldopen00101" data-start="{" data-end="}">
<div class="line"><a id="l00101" name="l00101"></a><span class="lineno"><a class="line" href="../../dd/d0d/insertion__sort_8cpp.html#a59914553f24088342c139645a02a8a49"> 101</a></span><span class="keyword">static</span> <span class="keywordtype">void</span> <a class="code hl_function" href="../../dd/d0d/insertion__sort_8cpp.html#a59914553f24088342c139645a02a8a49">create_random_array</a>(T *arr, <span class="keywordtype">int</span> N) {</div>
<div class="line"><a id="l00102" name="l00102"></a><span class="lineno"> 102</span> <span class="keywordflow">while</span> (N--) {</div>
<div class="line"><a id="l00103" name="l00103"></a><span class="lineno"> 103</span> <span class="keywordtype">double</span> r = (std::rand() % 10000 - 5000) / 100.f;</div>
<div class="line"><a id="l00104" name="l00104"></a><span class="lineno"> 104</span> arr[N] = <span class="keyword">static_cast&lt;</span>T<span class="keyword">&gt;</span>(r);</div>
<div class="line"><a id="l00105" name="l00105"></a><span class="lineno"> 105</span> }</div>
<div class="line"><a id="l00106" name="l00106"></a><span class="lineno"> 106</span>}</div>
</div>
<div class="line"><a id="l00107" name="l00107"></a><span class="lineno"> 107</span></div>
<div class="foldopen" id="foldopen00109" data-start="{" data-end="}">
<div class="line"><a id="l00109" name="l00109"></a><span class="lineno"><a class="line" href="../../dd/d0d/insertion__sort_8cpp.html#a88ec9ad42717780d6caaff9d3d6977f9"> 109</a></span><span class="keywordtype">void</span> <a class="code hl_function" href="../../dd/d0d/insertion__sort_8cpp.html#a88ec9ad42717780d6caaff9d3d6977f9">tests</a>() {</div>
<div class="line"><a id="l00110" name="l00110"></a><span class="lineno"> 110</span> <span class="keywordtype">int</span> arr1[10] = {78, 34, 35, 6, 34, 56, 3, 56, 2, 4};</div>
<div class="line"><a id="l00111" name="l00111"></a><span class="lineno"> 111</span> std::cout &lt;&lt; <span class="stringliteral">&quot;Test 1... &quot;</span>;</div>
<div class="line"><a id="l00112" name="l00112"></a><span class="lineno"> 112</span> <a class="code hl_function" href="../../d5/d91/namespacesorting.html#a78cb2f3b97b6db2c062b2a1df05c9ea9">sorting::insertionSort</a>(arr1, 10);</div>
<div class="line"><a id="l00113" name="l00113"></a><span class="lineno"> 113</span> assert(std::is_sorted(arr1, arr1 + 10));</div>
<div class="line"><a id="l00114" name="l00114"></a><span class="lineno"> 114</span> std::cout &lt;&lt; <span class="stringliteral">&quot;passed&quot;</span> &lt;&lt; std::endl;</div>
<div class="line"><a id="l00115" name="l00115"></a><span class="lineno"> 115</span> </div>
<div class="line"><a id="l00116" name="l00116"></a><span class="lineno"> 116</span> <span class="keywordtype">int</span> arr2[5] = {5, -3, 7, -2, 1};</div>
<div class="line"><a id="l00117" name="l00117"></a><span class="lineno"> 117</span> std::cout &lt;&lt; <span class="stringliteral">&quot;Test 2... &quot;</span>;</div>
<div class="line"><a id="l00118" name="l00118"></a><span class="lineno"> 118</span> <a class="code hl_function" href="../../d5/d91/namespacesorting.html#a78cb2f3b97b6db2c062b2a1df05c9ea9">sorting::insertionSort</a>(arr2, 5);</div>
<div class="line"><a id="l00119" name="l00119"></a><span class="lineno"> 119</span> assert(std::is_sorted(arr2, arr2 + 5));</div>
<div class="line"><a id="l00120" name="l00120"></a><span class="lineno"> 120</span> std::cout &lt;&lt; <span class="stringliteral">&quot;passed&quot;</span> &lt;&lt; std::endl;</div>
<div class="line"><a id="l00121" name="l00121"></a><span class="lineno"> 121</span> </div>
<div class="line"><a id="l00122" name="l00122"></a><span class="lineno"> 122</span> <span class="keywordtype">float</span> arr3[5] = {5.6, -3.1, -3.0, -2.1, 1.8};</div>
<div class="line"><a id="l00123" name="l00123"></a><span class="lineno"> 123</span> std::cout &lt;&lt; <span class="stringliteral">&quot;Test 3... &quot;</span>;</div>
<div class="line"><a id="l00124" name="l00124"></a><span class="lineno"> 124</span> <a class="code hl_function" href="../../d5/d91/namespacesorting.html#a78cb2f3b97b6db2c062b2a1df05c9ea9">sorting::insertionSort</a>(arr3, 5);</div>
<div class="line"><a id="l00125" name="l00125"></a><span class="lineno"> 125</span> assert(std::is_sorted(arr3, arr3 + 5));</div>
<div class="line"><a id="l00126" name="l00126"></a><span class="lineno"> 126</span> std::cout &lt;&lt; <span class="stringliteral">&quot;passed&quot;</span> &lt;&lt; std::endl;</div>
<div class="line"><a id="l00127" name="l00127"></a><span class="lineno"> 127</span> </div>
<div class="line"><a id="l00128" name="l00128"></a><span class="lineno"> 128</span> std::vector&lt;float&gt; arr4({5.6, -3.1, -3.0, -2.1, 1.8});</div>
<div class="line"><a id="l00129" name="l00129"></a><span class="lineno"> 129</span> std::cout &lt;&lt; <span class="stringliteral">&quot;Test 4... &quot;</span>;</div>
<div class="line"><a id="l00130" name="l00130"></a><span class="lineno"> 130</span> <a class="code hl_function" href="../../d5/d91/namespacesorting.html#a78cb2f3b97b6db2c062b2a1df05c9ea9">sorting::insertionSort</a>(&amp;arr4);</div>
<div class="line"><a id="l00131" name="l00131"></a><span class="lineno"> 131</span> assert(std::is_sorted(std::begin(arr4), std::end(arr4)));</div>
<div class="line"><a id="l00132" name="l00132"></a><span class="lineno"> 132</span> std::cout &lt;&lt; <span class="stringliteral">&quot;passed&quot;</span> &lt;&lt; std::endl;</div>
<div class="line"><a id="l00133" name="l00133"></a><span class="lineno"> 133</span> </div>
<div class="line"><a id="l00134" name="l00134"></a><span class="lineno"> 134</span> <span class="keywordtype">int</span> arr5[50];</div>
<div class="line"><a id="l00135" name="l00135"></a><span class="lineno"> 135</span> std::cout &lt;&lt; <span class="stringliteral">&quot;Test 5... &quot;</span>;</div>
<div class="line"><a id="l00136" name="l00136"></a><span class="lineno"> 136</span> <a class="code hl_function" href="../../dd/d0d/insertion__sort_8cpp.html#a59914553f24088342c139645a02a8a49">create_random_array</a>(arr5, 50);</div>
<div class="line"><a id="l00137" name="l00137"></a><span class="lineno"> 137</span> <a class="code hl_function" href="../../d5/d91/namespacesorting.html#a78cb2f3b97b6db2c062b2a1df05c9ea9">sorting::insertionSort</a>(arr5, 50);</div>
<div class="line"><a id="l00138" name="l00138"></a><span class="lineno"> 138</span> assert(std::is_sorted(arr5, arr5 + 50));</div>
<div class="line"><a id="l00139" name="l00139"></a><span class="lineno"> 139</span> std::cout &lt;&lt; <span class="stringliteral">&quot;passed&quot;</span> &lt;&lt; std::endl;</div>
<div class="line"><a id="l00140" name="l00140"></a><span class="lineno"> 140</span> </div>
<div class="line"><a id="l00141" name="l00141"></a><span class="lineno"> 141</span> <span class="keywordtype">float</span> arr6[50];</div>
<div class="line"><a id="l00142" name="l00142"></a><span class="lineno"> 142</span> std::cout &lt;&lt; <span class="stringliteral">&quot;Test 6... &quot;</span>;</div>
<div class="line"><a id="l00143" name="l00143"></a><span class="lineno"> 143</span> <a class="code hl_function" href="../../dd/d0d/insertion__sort_8cpp.html#a59914553f24088342c139645a02a8a49">create_random_array</a>(arr6, 50);</div>
<div class="line"><a id="l00144" name="l00144"></a><span class="lineno"> 144</span> <a class="code hl_function" href="../../d5/d91/namespacesorting.html#a78cb2f3b97b6db2c062b2a1df05c9ea9">sorting::insertionSort</a>(arr6, 50);</div>
<div class="line"><a id="l00145" name="l00145"></a><span class="lineno"> 145</span> assert(std::is_sorted(arr6, arr6 + 50));</div>
<div class="line"><a id="l00146" name="l00146"></a><span class="lineno"> 146</span> std::cout &lt;&lt; <span class="stringliteral">&quot;passed&quot;</span> &lt;&lt; std::endl;</div>
<div class="line"><a id="l00147" name="l00147"></a><span class="lineno"> 147</span>}</div>
</div>
<div class="line"><a id="l00148" name="l00148"></a><span class="lineno"> 148</span></div>
<div class="foldopen" id="foldopen00150" data-start="{" data-end="}">
<div class="line"><a id="l00150" name="l00150"></a><span class="lineno"><a class="line" href="../../dd/d0d/insertion__sort_8cpp.html#ae66f6b31b5ad750f1fe042a706a4e3d4"> 150</a></span><span class="keywordtype">int</span> <a class="code hl_function" href="../../dd/d0d/insertion__sort_8cpp.html#ae66f6b31b5ad750f1fe042a706a4e3d4">main</a>() {</div>
<div class="line"><a id="l00152" name="l00152"></a><span class="lineno"> 152</span> <a class="code hl_function" href="../../dd/d0d/insertion__sort_8cpp.html#a88ec9ad42717780d6caaff9d3d6977f9">tests</a>();</div>
<div class="line"><a id="l00153" name="l00153"></a><span class="lineno"> 153</span></div>
<div class="line"><a id="l00155" name="l00155"></a><span class="lineno"> 155</span> <span class="keywordtype">size_t</span> n;</div>
<div class="line"><a id="l00156" name="l00156"></a><span class="lineno"> 156</span> std::cout &lt;&lt; <span class="stringliteral">&quot;Enter the length of your array (0 to exit): &quot;</span>;</div>
<div class="line"><a id="l00157" name="l00157"></a><span class="lineno"> 157</span> std::cin &gt;&gt; n;</div>
<div class="line"><a id="l00158" name="l00158"></a><span class="lineno"> 158</span> <span class="keywordflow">if</span> (n == 0) {</div>
<div class="line"><a id="l00159" name="l00159"></a><span class="lineno"> 159</span> <span class="keywordflow">return</span> 0;</div>
<div class="line"><a id="l00160" name="l00160"></a><span class="lineno"> 160</span> }</div>
<div class="line"><a id="l00161" name="l00161"></a><span class="lineno"> 161</span> </div>
<div class="line"><a id="l00162" name="l00162"></a><span class="lineno"> 162</span> <span class="keywordtype">int</span> *arr = <span class="keyword">new</span> <span class="keywordtype">int</span>[n];</div>
<div class="line"><a id="l00163" name="l00163"></a><span class="lineno"> 163</span> std::cout &lt;&lt; <span class="stringliteral">&quot;Enter any &quot;</span> &lt;&lt; n &lt;&lt; <span class="stringliteral">&quot; Numbers for Unsorted Array : &quot;</span>;</div>
<div class="line"><a id="l00164" name="l00164"></a><span class="lineno"> 164</span> </div>
<div class="line"><a id="l00165" name="l00165"></a><span class="lineno"> 165</span> <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i &lt; n; i++) {</div>
<div class="line"><a id="l00166" name="l00166"></a><span class="lineno"> 166</span> std::cin &gt;&gt; arr[i];</div>
<div class="line"><a id="l00167" name="l00167"></a><span class="lineno"> 167</span> }</div>
<div class="line"><a id="l00168" name="l00168"></a><span class="lineno"> 168</span> </div>
<div class="line"><a id="l00169" name="l00169"></a><span class="lineno"> 169</span> <a class="code hl_function" href="../../d5/d91/namespacesorting.html#a78cb2f3b97b6db2c062b2a1df05c9ea9">sorting::insertionSort</a>(arr, n);</div>
<div class="line"><a id="l00170" name="l00170"></a><span class="lineno"> 170</span> </div>
<div class="line"><a id="l00171" name="l00171"></a><span class="lineno"> 171</span> std::cout &lt;&lt; <span class="stringliteral">&quot;\nSorted Array : &quot;</span>;</div>
<div class="line"><a id="l00172" name="l00172"></a><span class="lineno"> 172</span> <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i &lt; n; i++) {</div>
<div class="line"><a id="l00173" name="l00173"></a><span class="lineno"> 173</span> std::cout &lt;&lt; arr[i] &lt;&lt; <span class="stringliteral">&quot; &quot;</span>;</div>
<div class="line"><a id="l00174" name="l00174"></a><span class="lineno"> 174</span> }</div>
<div class="line"><a id="l00175" name="l00175"></a><span class="lineno"> 175</span> </div>
<div class="line"><a id="l00176" name="l00176"></a><span class="lineno"> 176</span> std::cout &lt;&lt; std::endl;</div>
<div class="line"><a id="l00177" name="l00177"></a><span class="lineno"> 177</span> <span class="keyword">delete</span>[] arr;</div>
<div class="line"><a id="l00178" name="l00178"></a><span class="lineno"> 178</span> <span class="keywordflow">return</span> 0;</div>
<div class="line"><a id="l00179" name="l00179"></a><span class="lineno"> 179</span>}</div>
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<div class="ttc" id="ainsertion__sort_8cpp_html_a59914553f24088342c139645a02a8a49"><div class="ttname"><a href="../../dd/d0d/insertion__sort_8cpp.html#a59914553f24088342c139645a02a8a49">create_random_array</a></div><div class="ttdeci">static void create_random_array(T *arr, int N)</div><div class="ttdoc">Create a random array objecthelper function to create a random array.</div><div class="ttdef"><b>Definition</b> <a href="#l00101">insertion_sort.cpp:101</a></div></div>
<div class="ttc" id="ainsertion__sort_8cpp_html_a88ec9ad42717780d6caaff9d3d6977f9"><div class="ttname"><a href="../../dd/d0d/insertion__sort_8cpp.html#a88ec9ad42717780d6caaff9d3d6977f9">tests</a></div><div class="ttdeci">void tests()</div><div class="ttdef"><b>Definition</b> <a href="#l00109">insertion_sort.cpp:109</a></div></div>
<div class="ttc" id="ainsertion__sort_8cpp_html_ae66f6b31b5ad750f1fe042a706a4e3d4"><div class="ttname"><a href="../../dd/d0d/insertion__sort_8cpp.html#ae66f6b31b5ad750f1fe042a706a4e3d4">main</a></div><div class="ttdeci">int main()</div><div class="ttdef"><b>Definition</b> <a href="#l00150">insertion_sort.cpp:150</a></div></div>
<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>
<div class="ttc" id="anamespacesorting_html_a78cb2f3b97b6db2c062b2a1df05c9ea9"><div class="ttname"><a href="../../d5/d91/namespacesorting.html#a78cb2f3b97b6db2c062b2a1df05c9ea9">sorting::insertionSort</a></div><div class="ttdeci">void insertionSort(T *arr, int n)</div><div class="ttdoc">Insertion Sort Function.</div><div class="ttdef"><b>Definition</b> <a href="#l00059">insertion_sort.cpp:59</a></div></div>
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