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<div class="headertitle"><div class="title">stooge_sort.cpp</div></div>
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<a href="../../d4/d4f/stooge__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="l00015" name="l00015"></a><span class="lineno"> 15</span> </div>
<div class="line"><a id="l00016" name="l00016"></a><span class="lineno"> 16</span><span class="preprocessor">#include &lt;vector&gt;</span> </div>
<div class="line"><a id="l00017" name="l00017"></a><span class="lineno"> 17</span><span class="preprocessor">#include &lt;cassert&gt;</span> </div>
<div class="line"><a id="l00018" name="l00018"></a><span class="lineno"> 18</span><span class="preprocessor">#include &lt;algorithm&gt;</span> </div>
<div class="line"><a id="l00019" name="l00019"></a><span class="lineno"> 19</span><span class="preprocessor">#include &lt;iostream&gt;</span> </div>
<div class="line"><a id="l00020" name="l00020"></a><span class="lineno"> 20</span></div>
<div class="foldopen" id="foldopen00028" data-start="{" data-end="}">
<div class="line"><a id="l00028" name="l00028"></a><span class="lineno"><a class="line" href="../../d4/d4f/stooge__sort_8cpp.html#ac23852832437dc68327efe9b1da2d91b"> 28</a></span><span class="keywordtype">void</span> <a class="code hl_function" href="../../d4/d4f/stooge__sort_8cpp.html#ac23852832437dc68327efe9b1da2d91b">stoogeSort</a>(std::vector&lt;int&gt;* L, <span class="keywordtype">size_t</span> i, <span class="keywordtype">size_t</span> j) {</div>
<div class="line"><a id="l00029" name="l00029"></a><span class="lineno"> 29</span> <span class="keywordflow">if</span> (i &gt;= j) {</div>
<div class="line"><a id="l00030" name="l00030"></a><span class="lineno"> 30</span> <span class="keywordflow">return</span>;</div>
<div class="line"><a id="l00031" name="l00031"></a><span class="lineno"> 31</span> }</div>
<div class="line"><a id="l00032" name="l00032"></a><span class="lineno"> 32</span> <span class="keywordflow">if</span> ((*L)[i] &gt; (*L)[j]) {</div>
<div class="line"><a id="l00033" name="l00033"></a><span class="lineno"> 33</span> std::swap((*L)[i], (*L)[j]);</div>
<div class="line"><a id="l00034" name="l00034"></a><span class="lineno"> 34</span> }</div>
<div class="line"><a id="l00035" name="l00035"></a><span class="lineno"> 35</span> <span class="keywordflow">if</span> (j - i &gt; 1) {</div>
<div class="line"><a id="l00036" name="l00036"></a><span class="lineno"> 36</span> <span class="keywordtype">size_t</span> third = (j - i + 1) / 3;</div>
<div class="line"><a id="l00037" name="l00037"></a><span class="lineno"> 37</span> <a class="code hl_function" href="../../d4/d4f/stooge__sort_8cpp.html#ac23852832437dc68327efe9b1da2d91b">stoogeSort</a>(L, i, j - third);</div>
<div class="line"><a id="l00038" name="l00038"></a><span class="lineno"> 38</span> <a class="code hl_function" href="../../d4/d4f/stooge__sort_8cpp.html#ac23852832437dc68327efe9b1da2d91b">stoogeSort</a>(L, i + third, j);</div>
<div class="line"><a id="l00039" name="l00039"></a><span class="lineno"> 39</span> <a class="code hl_function" href="../../d4/d4f/stooge__sort_8cpp.html#ac23852832437dc68327efe9b1da2d91b">stoogeSort</a>(L, i, j - third);</div>
<div class="line"><a id="l00040" name="l00040"></a><span class="lineno"> 40</span> }</div>
<div class="line"><a id="l00041" name="l00041"></a><span class="lineno"> 41</span>}</div>
</div>
<div class="line"><a id="l00042" name="l00042"></a><span class="lineno"> 42</span></div>
<div class="foldopen" id="foldopen00047" data-start="{" data-end="}">
<div class="line"><a id="l00047" name="l00047"></a><span class="lineno"><a class="line" href="../../d4/d4f/stooge__sort_8cpp.html#a1440a7779ac56f47a3f355ce4a8c7da0"> 47</a></span><span class="keywordtype">void</span> <a class="code hl_function" href="../../d4/d4f/stooge__sort_8cpp.html#a1440a7779ac56f47a3f355ce4a8c7da0">test1</a>() {</div>
<div class="line"><a id="l00048" name="l00048"></a><span class="lineno"> 48</span> std::vector&lt;int&gt; L = { 8, 9, 10, 4, 3, 5, 1 };</div>
<div class="line"><a id="l00049" name="l00049"></a><span class="lineno"> 49</span> <a class="code hl_function" href="../../d4/d4f/stooge__sort_8cpp.html#ac23852832437dc68327efe9b1da2d91b">stoogeSort</a>(&amp;L, 0, L.size() - 1);</div>
<div class="line"><a id="l00050" name="l00050"></a><span class="lineno"> 50</span> assert(std::is_sorted(std::begin(L), std::end(L)));</div>
<div class="line"><a id="l00051" name="l00051"></a><span class="lineno"> 51</span>}</div>
</div>
<div class="line"><a id="l00052" name="l00052"></a><span class="lineno"> 52</span></div>
<div class="foldopen" id="foldopen00057" data-start="{" data-end="}">
<div class="line"><a id="l00057" name="l00057"></a><span class="lineno"><a class="line" href="../../d4/d4f/stooge__sort_8cpp.html#a0283886819c7c140a023582b7269e2d0"> 57</a></span><span class="keywordtype">void</span> <a class="code hl_function" href="../../d4/d4f/stooge__sort_8cpp.html#a0283886819c7c140a023582b7269e2d0">test2</a>() {</div>
<div class="line"><a id="l00058" name="l00058"></a><span class="lineno"> 58</span> std::vector&lt;int&gt; L = { -1 };</div>
<div class="line"><a id="l00059" name="l00059"></a><span class="lineno"> 59</span> <a class="code hl_function" href="../../d4/d4f/stooge__sort_8cpp.html#ac23852832437dc68327efe9b1da2d91b">stoogeSort</a>(&amp;L, 0, L.size() - 1);</div>
<div class="line"><a id="l00060" name="l00060"></a><span class="lineno"> 60</span> assert(std::is_sorted(std::begin(L), std::end(L)));</div>
<div class="line"><a id="l00061" name="l00061"></a><span class="lineno"> 61</span>}</div>
</div>
<div class="line"><a id="l00062" name="l00062"></a><span class="lineno"> 62</span></div>
<div class="foldopen" id="foldopen00067" data-start="{" data-end="}">
<div class="line"><a id="l00067" name="l00067"></a><span class="lineno"><a class="line" href="../../d4/d4f/stooge__sort_8cpp.html#a6d0455dd5c30adda100e95f0423c786e"> 67</a></span><span class="keywordtype">void</span> <a class="code hl_function" href="../../d4/d4f/stooge__sort_8cpp.html#a6d0455dd5c30adda100e95f0423c786e">test3</a>() {</div>
<div class="line"><a id="l00068" name="l00068"></a><span class="lineno"> 68</span> std::vector&lt;int&gt; L = { 1, 2, 5, 4, 1, 5 };</div>
<div class="line"><a id="l00069" name="l00069"></a><span class="lineno"> 69</span> <a class="code hl_function" href="../../d4/d4f/stooge__sort_8cpp.html#ac23852832437dc68327efe9b1da2d91b">stoogeSort</a>(&amp;L, 0, L.size() - 1);</div>
<div class="line"><a id="l00070" name="l00070"></a><span class="lineno"> 70</span> assert(std::is_sorted(std::begin(L), std::end(L)));</div>
<div class="line"><a id="l00071" name="l00071"></a><span class="lineno"> 71</span>}</div>
</div>
<div class="line"><a id="l00072" name="l00072"></a><span class="lineno"> 72</span></div>
<div class="foldopen" id="foldopen00079" data-start="{" data-end="}">
<div class="line"><a id="l00079" name="l00079"></a><span class="lineno"><a class="line" href="../../d4/d4f/stooge__sort_8cpp.html#ae66f6b31b5ad750f1fe042a706a4e3d4"> 79</a></span><span class="keywordtype">int</span> <a class="code hl_function" href="../../d4/d4f/stooge__sort_8cpp.html#ae66f6b31b5ad750f1fe042a706a4e3d4">main</a>() {</div>
<div class="line"><a id="l00080" name="l00080"></a><span class="lineno"> 80</span> <a class="code hl_function" href="../../d4/d4f/stooge__sort_8cpp.html#a1440a7779ac56f47a3f355ce4a8c7da0">test1</a>();</div>
<div class="line"><a id="l00081" name="l00081"></a><span class="lineno"> 81</span> <a class="code hl_function" href="../../d4/d4f/stooge__sort_8cpp.html#a0283886819c7c140a023582b7269e2d0">test2</a>();</div>
<div class="line"><a id="l00082" name="l00082"></a><span class="lineno"> 82</span> <a class="code hl_function" href="../../d4/d4f/stooge__sort_8cpp.html#a6d0455dd5c30adda100e95f0423c786e">test3</a>();</div>
<div class="line"><a id="l00083" name="l00083"></a><span class="lineno"> 83</span> </div>
<div class="line"><a id="l00084" name="l00084"></a><span class="lineno"> 84</span> std::cout &lt;&lt; <span class="stringliteral">&quot;All tests have successfully passed!\n&quot;</span>;</div>
<div class="line"><a id="l00085" name="l00085"></a><span class="lineno"> 85</span> <span class="keywordflow">return</span> 0;</div>
<div class="line"><a id="l00086" name="l00086"></a><span class="lineno"> 86</span>}</div>
</div>
<div class="ttc" id="astooge__sort_8cpp_html_a0283886819c7c140a023582b7269e2d0"><div class="ttname"><a href="../../d4/d4f/stooge__sort_8cpp.html#a0283886819c7c140a023582b7269e2d0">test2</a></div><div class="ttdeci">void test2()</div><div class="ttdoc">Function to test sorting algorithm, one element.</div><div class="ttdef"><b>Definition</b> <a href="#l00057">stooge_sort.cpp:57</a></div></div>
<div class="ttc" id="astooge__sort_8cpp_html_a1440a7779ac56f47a3f355ce4a8c7da0"><div class="ttname"><a href="../../d4/d4f/stooge__sort_8cpp.html#a1440a7779ac56f47a3f355ce4a8c7da0">test1</a></div><div class="ttdeci">void test1()</div><div class="ttdoc">Function to test sorting algorithm.</div><div class="ttdef"><b>Definition</b> <a href="#l00047">stooge_sort.cpp:47</a></div></div>
<div class="ttc" id="astooge__sort_8cpp_html_a6d0455dd5c30adda100e95f0423c786e"><div class="ttname"><a href="../../d4/d4f/stooge__sort_8cpp.html#a6d0455dd5c30adda100e95f0423c786e">test3</a></div><div class="ttdeci">void test3()</div><div class="ttdoc">Function to test sorting algorithm, repeating elements.</div><div class="ttdef"><b>Definition</b> <a href="#l00067">stooge_sort.cpp:67</a></div></div>
<div class="ttc" id="astooge__sort_8cpp_html_ac23852832437dc68327efe9b1da2d91b"><div class="ttname"><a href="../../d4/d4f/stooge__sort_8cpp.html#ac23852832437dc68327efe9b1da2d91b">stoogeSort</a></div><div class="ttdeci">void stoogeSort(std::vector&lt; int &gt; *L, size_t i, size_t j)</div><div class="ttdoc">for IO operations</div><div class="ttdef"><b>Definition</b> <a href="#l00028">stooge_sort.cpp:28</a></div></div>
<div class="ttc" id="astooge__sort_8cpp_html_ae66f6b31b5ad750f1fe042a706a4e3d4"><div class="ttname"><a href="../../d4/d4f/stooge__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="#l00079">stooge_sort.cpp:79</a></div></div>
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