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<div id="projectname">TheAlgorithms/C++<span id="projectnumber">&#160;1.0.0</span>
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<div id="projectbrief">Set of algorithms implemented in C++.</div>
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@@ -122,7 +139,9 @@ Include dependency graph for connected_components.cpp:</div>
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<p><a href="../../df/ddd/connected__components_8cpp_source.html">Go to the source code of this file.</a></p>
<table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 class="groupheader"><a id="namespaces" name="namespaces"></a>
Namespaces</h2></td></tr>
<tr class="memitem:"><td class="memItemLeft" align="right" valign="top">namespace &#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="../../df/dce/namespacegraph.html">graph</a></td></tr>
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</table><table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 class="groupheader"><a id="func-members" name="func-members"></a>
Functions</h2></td></tr>
<tr class="memitem:a9125ceb66bfbec3093bba64c2c1e99e2" id="r_a9125ceb66bfbec3093bba64c2c1e99e2"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="../../df/dce/namespacegraph.html#a9125ceb66bfbec3093bba64c2c1e99e2">graph::addEdge</a> (<a class="elRef" target="_blank" href="http://en.cppreference.com/w/cpp/container/vector.html">std::vector</a>&lt; <a class="elRef" target="_blank" href="http://en.cppreference.com/w/cpp/container/vector.html">std::vector</a>&lt; int &gt; &gt; *adj, int u, int v)</td></tr>
<tr class="memitem:a9125ceb66bfbec3093bba64c2c1e99e2" id="r_a9125ceb66bfbec3093bba64c2c1e99e2"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="../../df/dce/namespacegraph.html#a9125ceb66bfbec3093bba64c2c1e99e2">graph::addEdge</a> (std::vector&lt; std::vector&lt; int &gt; &gt; *adj, int u, int v)</td></tr>
<tr class="memdesc:a9125ceb66bfbec3093bba64c2c1e99e2"><td class="mdescLeft">&#160;</td><td class="mdescRight">Function that add edge between two nodes or vertices of graph. <br /></td></tr>
<tr class="separator:a9125ceb66bfbec3093bba64c2c1e99e2"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a3ae80bc4c6a79d041b4f3a6589eb7fb8" id="r_a3ae80bc4c6a79d041b4f3a6589eb7fb8"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="../../df/dce/namespacegraph.html#a3ae80bc4c6a79d041b4f3a6589eb7fb8">graph::explore</a> (const <a class="elRef" target="_blank" href="http://en.cppreference.com/w/cpp/container/vector.html">std::vector</a>&lt; <a class="elRef" target="_blank" href="http://en.cppreference.com/w/cpp/container/vector.html">std::vector</a>&lt; int &gt; &gt; *adj, int u, <a class="elRef" target="_blank" href="http://en.cppreference.com/w/cpp/container/vector.html">std::vector</a>&lt; bool &gt; *visited)</td></tr>
<tr class="memitem:a3ae80bc4c6a79d041b4f3a6589eb7fb8" id="r_a3ae80bc4c6a79d041b4f3a6589eb7fb8"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="../../df/dce/namespacegraph.html#a3ae80bc4c6a79d041b4f3a6589eb7fb8">graph::explore</a> (const std::vector&lt; std::vector&lt; int &gt; &gt; *adj, int u, std::vector&lt; bool &gt; *visited)</td></tr>
<tr class="memdesc:a3ae80bc4c6a79d041b4f3a6589eb7fb8"><td class="mdescLeft">&#160;</td><td class="mdescRight">Utility function for depth first seach algorithm this function explores the vertex which is passed into. <br /></td></tr>
<tr class="separator:a3ae80bc4c6a79d041b4f3a6589eb7fb8"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a83ab16e96cec644109a58dfc9329bc2b" id="r_a83ab16e96cec644109a58dfc9329bc2b"><td class="memItemLeft" align="right" valign="top">int&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="../../df/dce/namespacegraph.html#a83ab16e96cec644109a58dfc9329bc2b">graph::getConnectedComponents</a> (const <a class="elRef" target="_blank" href="http://en.cppreference.com/w/cpp/container/vector.html">std::vector</a>&lt; <a class="elRef" target="_blank" href="http://en.cppreference.com/w/cpp/container/vector.html">std::vector</a>&lt; int &gt; &gt; *adj)</td></tr>
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<tr class="memdesc:a83ab16e96cec644109a58dfc9329bc2b"><td class="mdescLeft">&#160;</td><td class="mdescRight">Function that perfoms depth first search algorithm on graph and calculated the number of connected components. <br /></td></tr>
<tr class="separator:a83ab16e96cec644109a58dfc9329bc2b"><td class="memSeparator" colspan="2">&#160;</td></tr>
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@@ -158,7 +177,9 @@ Example - Here is graph with 3 connected components
first second third
component component component
</pre> </div><h2 class="groupheader">Function Documentation</h2>
</pre>
<p class="definition">Definition in file <a class="el" href="../../df/ddd/connected__components_8cpp_source.html">connected_components.cpp</a>.</p>
</div><h2 class="groupheader">Function Documentation</h2>
<a id="ae66f6b31b5ad750f1fe042a706a4e3d4" name="ae66f6b31b5ad750f1fe042a706a4e3d4"></a>
<h2 class="memtitle"><span class="permalink"><a href="#ae66f6b31b5ad750f1fe042a706a4e3d4">&#9670;&#160;</a></span>main()</h2>
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</div><div class="memdoc">
<p>Main function </p>
<p>running predefined tests</p>
<div class="fragment"><div class="line"><span class="lineno"> 127</span> {<span class="comment"></span></div>
<div class="line"><span class="lineno"> 128</span><span class="comment"> /// running predefined tests</span></div>
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<p class="definition">Definition at line <a class="el" href="../../df/ddd/connected__components_8cpp_source.html#l00127">127</a> of file <a class="el" href="../../df/ddd/connected__components_8cpp_source.html">connected_components.cpp</a>.</p>
<div class="fragment"><div class="line"><span class="lineno"> 127</span> {</div>
<div class="line"><span class="lineno"> 129</span> <a class="code hl_function" href="#a88ec9ad42717780d6caaff9d3d6977f9">tests</a>();</div>
<div class="line"><span class="lineno"> 130</span> </div>
<div class="line"><span class="lineno"> 131</span> <span class="keywordtype">int</span> vertices = int(), edges = int();</div>
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<div class="line"><span class="lineno"> 133</span> <a class="code hl_classRef" target="_blank" href="http://en.cppreference.com/w/cpp/io/basic_istream.html">std::cin</a> &gt;&gt; vertices;</div>
<div class="line"><span class="lineno"> 134</span> <a class="code hl_classRef" target="_blank" href="http://en.cppreference.com/w/cpp/io/basic_ostream.html">std::cout</a> &lt;&lt; <span class="stringliteral">&quot;Enter the number of edges : &quot;</span>;</div>
<div class="line"><span class="lineno"> 135</span> <a class="code hl_classRef" target="_blank" href="http://en.cppreference.com/w/cpp/io/basic_istream.html">std::cin</a> &gt;&gt; edges;</div>
<div class="line"><span class="lineno"> 132</span> std::cout &lt;&lt; <span class="stringliteral">&quot;Enter the number of vertices : &quot;</span>;</div>
<div class="line"><span class="lineno"> 133</span> std::cin &gt;&gt; vertices;</div>
<div class="line"><span class="lineno"> 134</span> std::cout &lt;&lt; <span class="stringliteral">&quot;Enter the number of edges : &quot;</span>;</div>
<div class="line"><span class="lineno"> 135</span> std::cin &gt;&gt; edges;</div>
<div class="line"><span class="lineno"> 136</span> </div>
<div class="line"><span class="lineno"> 137</span> <a class="code hl_classRef" target="_blank" href="http://en.cppreference.com/w/cpp/container/vector.html">std::vector&lt;std::vector&lt;int&gt;</a>&gt; adj(vertices, <a class="code hl_classRef" target="_blank" href="http://en.cppreference.com/w/cpp/container/vector.html">std::vector&lt;int&gt;</a>());</div>
<div class="line"><span class="lineno"> 137</span> std::vector&lt;std::vector&lt;int&gt;&gt; adj(vertices, std::vector&lt;int&gt;());</div>
<div class="line"><span class="lineno"> 138</span> </div>
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<div class="line"><span class="lineno"> 141</span> <a class="code hl_classRef" target="_blank" href="http://en.cppreference.com/w/cpp/io/basic_istream.html">std::cin</a> &gt;&gt; u &gt;&gt; v;</div>
<div class="line"><span class="lineno"> 141</span> std::cin &gt;&gt; u &gt;&gt; v;</div>
<div class="line"><span class="lineno"> 142</span> <a class="code hl_function" href="../../df/dce/namespacegraph.html#a9125ceb66bfbec3093bba64c2c1e99e2">graph::addEdge</a>(&amp;adj, u, v);</div>
<div class="line"><span class="lineno"> 143</span> }</div>
<div class="line"><span class="lineno"> 144</span> </div>
<div class="line"><span class="lineno"> 145</span> <span class="keywordtype">int</span> cc = <a class="code hl_function" href="../../df/dce/namespacegraph.html#a83ab16e96cec644109a58dfc9329bc2b">graph::getConnectedComponents</a>(&amp;adj);</div>
<div class="line"><span class="lineno"> 146</span> <a class="code hl_classRef" target="_blank" href="http://en.cppreference.com/w/cpp/io/basic_ostream.html">std::cout</a> &lt;&lt; cc &lt;&lt; <a class="code hl_functionRef" target="_blank" href="http://en.cppreference.com/w/cpp/io/manip/endl.html">std::endl</a>;</div>
<div class="line"><span class="lineno"> 146</span> std::cout &lt;&lt; cc &lt;&lt; std::endl;</div>
<div class="line"><span class="lineno"> 147</span> <span class="keywordflow">return</span> 0;</div>
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<div class="ttc" id="abasic_istream_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/io/basic_istream.html">std::cin</a></div></div>
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<div class="ttc" id="aendl_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/io/manip/endl.html">std::endl</a></div><div class="ttdeci">T endl(T... args)</div></div>
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<div class="ttc" id="anamespacegraph_html_a9125ceb66bfbec3093bba64c2c1e99e2"><div class="ttname"><a href="../../df/dce/namespacegraph.html#a9125ceb66bfbec3093bba64c2c1e99e2">graph::addEdge</a></div><div class="ttdeci">void addEdge(std::vector&lt; std::vector&lt; int &gt; &gt; *adj, int u, int v)</div><div class="ttdoc">Function that add edge between two nodes or vertices of graph.</div><div class="ttdef"><b>Definition</b> connected_components.cpp:46</div></div>
<div class="ttc" id="avector_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/container/vector.html">std::vector</a></div></div>
</div><!-- fragment --><div class="dynheader">
Here is the call graph for this function:</div>
<div class="dyncontent">
<div class="center"><iframe scrolling="no" frameborder="0" src="../../df/ddd/connected__components_8cpp_ae66f6b31b5ad750f1fe042a706a4e3d4_cgraph.svg" width="587" height="186"><p><b>This browser is not able to show SVG: try Firefox, Chrome, Safari, or Opera instead.</b></p></iframe></div>
</div>
<div class="ttc" id="aconnected__components_8cpp_html_a88ec9ad42717780d6caaff9d3d6977f9"><div class="ttname"><a href="#a88ec9ad42717780d6caaff9d3d6977f9">tests</a></div><div class="ttdeci">void tests()</div><div class="ttdef"><b>Definition</b> <a href="../../df/ddd/connected__components_8cpp_source.html#l00093">connected_components.cpp:93</a></div></div>
<div class="ttc" id="anamespacegraph_html_a83ab16e96cec644109a58dfc9329bc2b"><div class="ttname"><a href="../../df/dce/namespacegraph.html#a83ab16e96cec644109a58dfc9329bc2b">graph::getConnectedComponents</a></div><div class="ttdeci">int getConnectedComponents(const std::vector&lt; std::vector&lt; int &gt; &gt; *adj)</div><div class="ttdoc">Function that perfoms depth first search algorithm on graph and calculated the number of connected co...</div><div class="ttdef"><b>Definition</b> <a href="../../df/ddd/connected__components_8cpp_source.html#l00077">connected_components.cpp:77</a></div></div>
<div class="ttc" id="anamespacegraph_html_a9125ceb66bfbec3093bba64c2c1e99e2"><div class="ttname"><a href="../../df/dce/namespacegraph.html#a9125ceb66bfbec3093bba64c2c1e99e2">graph::addEdge</a></div><div class="ttdeci">void addEdge(std::vector&lt; std::vector&lt; int &gt; &gt; *adj, int u, int v)</div><div class="ttdoc">Function that add edge between two nodes or vertices of graph.</div><div class="ttdef"><b>Definition</b> <a href="../../df/ddd/connected__components_8cpp_source.html#l00046">connected_components.cpp:46</a></div></div>
</div><!-- fragment -->
</div>
</div>
<a id="a88ec9ad42717780d6caaff9d3d6977f9" name="a88ec9ad42717780d6caaff9d3d6977f9"></a>
@@ -227,10 +240,12 @@ Here is the call graph for this function:</div>
</table>
</div><div class="memdoc">
<p>Function to test the algorithm </p>
<p class="definition">Definition at line <a class="el" href="../../df/ddd/connected__components_8cpp_source.html#l00093">93</a> of file <a class="el" href="../../df/ddd/connected__components_8cpp_source.html">connected_components.cpp</a>.</p>
<div class="fragment"><div class="line"><span class="lineno"> 93</span> {</div>
<div class="line"><span class="lineno"> 94</span> <a class="code hl_classRef" target="_blank" href="http://en.cppreference.com/w/cpp/io/basic_ostream.html">std::cout</a> &lt;&lt; <span class="stringliteral">&quot;Running predefined tests...&quot;</span> &lt;&lt; <a class="code hl_functionRef" target="_blank" href="http://en.cppreference.com/w/cpp/io/manip/endl.html">std::endl</a>;</div>
<div class="line"><span class="lineno"> 95</span> <a class="code hl_classRef" target="_blank" href="http://en.cppreference.com/w/cpp/io/basic_ostream.html">std::cout</a> &lt;&lt; <span class="stringliteral">&quot;Initiating Test 1...&quot;</span> &lt;&lt; <a class="code hl_functionRef" target="_blank" href="http://en.cppreference.com/w/cpp/io/manip/endl.html">std::endl</a>;</div>
<div class="line"><span class="lineno"> 96</span> <a class="code hl_classRef" target="_blank" href="http://en.cppreference.com/w/cpp/container/vector.html">std::vector&lt;std::vector&lt;int&gt;</a>&gt; adj1(9, <a class="code hl_classRef" target="_blank" href="http://en.cppreference.com/w/cpp/container/vector.html">std::vector&lt;int&gt;</a>());</div>
<div class="line"><span class="lineno"> 94</span> std::cout &lt;&lt; <span class="stringliteral">&quot;Running predefined tests...&quot;</span> &lt;&lt; std::endl;</div>
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<div class="line"><span class="lineno"> 105</span> std::cout &lt;&lt; <span class="stringliteral">&quot;Test 1 Passed...&quot;</span> &lt;&lt; std::endl;</div>
<div class="line"><span class="lineno"> 106</span> </div>
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<div class="line"><span class="lineno"> 108</span> <a class="code hl_classRef" target="_blank" href="http://en.cppreference.com/w/cpp/container/vector.html">std::vector&lt;std::vector&lt;int&gt;</a>&gt; adj2(10, <a class="code hl_classRef" target="_blank" href="http://en.cppreference.com/w/cpp/container/vector.html">std::vector&lt;int&gt;</a>());</div>
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<div class="headertitle"><div class="title">connected_components.cpp</div></div>
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<div class="contents">
<a href="../../df/ddd/connected__components_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="l00028" name="l00028"></a><span class="lineno"> 28</span><span class="preprocessor">#include &lt;algorithm&gt;</span></div>
<div class="line"><a id="l00029" name="l00029"></a><span class="lineno"> 29</span><span class="preprocessor">#include &lt;cassert&gt;</span></div>
<div class="line"><a id="l00030" name="l00030"></a><span class="lineno"> 30</span><span class="preprocessor">#include &lt;iostream&gt;</span></div>
<div class="line"><a id="l00031" name="l00031"></a><span class="lineno"> 31</span><span class="preprocessor">#include &lt;vector&gt;</span></div>
<div class="line"><a id="l00032" name="l00032"></a><span class="lineno"> 32</span> </div>
<div class="line"><a id="l00038" name="l00038"></a><span class="lineno"> 38</span><span class="keyword">namespace </span><a class="code hl_namespace" href="../../df/dce/namespacegraph.html">graph</a> {</div>
<div class="foldopen" id="foldopen00046" data-start="{" data-end="}">
<div class="line"><a id="l00046" name="l00046"></a><span class="lineno"><a class="line" href="../../df/dce/namespacegraph.html#a9125ceb66bfbec3093bba64c2c1e99e2"> 46</a></span><span class="keywordtype">void</span> <a class="code hl_function" href="../../df/dce/namespacegraph.html#a9125ceb66bfbec3093bba64c2c1e99e2">addEdge</a>(std::vector&lt;std::vector&lt;int&gt;&gt; *adj, <span class="keywordtype">int</span> u, <span class="keywordtype">int</span> v) {</div>
<div class="line"><a id="l00047" name="l00047"></a><span class="lineno"> 47</span> (*adj)[u - 1].push_back(v - 1);</div>
<div class="line"><a id="l00048" name="l00048"></a><span class="lineno"> 48</span> (*adj)[v - 1].push_back(u - 1);</div>
<div class="line"><a id="l00049" name="l00049"></a><span class="lineno"> 49</span>}</div>
</div>
<div class="line"><a id="l00050" name="l00050"></a><span class="lineno"> 50</span> </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="../../df/dce/namespacegraph.html#a3ae80bc4c6a79d041b4f3a6589eb7fb8"> 59</a></span><span class="keywordtype">void</span> <a class="code hl_function" href="../../df/dce/namespacegraph.html#a3ae80bc4c6a79d041b4f3a6589eb7fb8">explore</a>(<span class="keyword">const</span> std::vector&lt;std::vector&lt;int&gt;&gt; *adj, <span class="keywordtype">int</span> u,</div>
<div class="line"><a id="l00060" name="l00060"></a><span class="lineno"> 60</span> std::vector&lt;bool&gt; *visited) {</div>
<div class="line"><a id="l00061" name="l00061"></a><span class="lineno"> 61</span> (*visited)[u] = <span class="keyword">true</span>;</div>
<div class="line"><a id="l00062" name="l00062"></a><span class="lineno"> 62</span> <span class="keywordflow">for</span> (<span class="keyword">auto</span> v : (*adj)[u]) {</div>
<div class="line"><a id="l00063" name="l00063"></a><span class="lineno"> 63</span> <span class="keywordflow">if</span> (!(*visited)[v]) {</div>
<div class="line"><a id="l00064" name="l00064"></a><span class="lineno"> 64</span> <a class="code hl_function" href="../../df/dce/namespacegraph.html#a3ae80bc4c6a79d041b4f3a6589eb7fb8">explore</a>(adj, v, visited);</div>
<div class="line"><a id="l00065" name="l00065"></a><span class="lineno"> 65</span> }</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>}</div>
</div>
<div class="line"><a id="l00068" name="l00068"></a><span class="lineno"> 68</span> </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="../../df/dce/namespacegraph.html#a83ab16e96cec644109a58dfc9329bc2b"> 77</a></span><span class="keywordtype">int</span> <a class="code hl_function" href="../../df/dce/namespacegraph.html#a83ab16e96cec644109a58dfc9329bc2b">getConnectedComponents</a>(<span class="keyword">const</span> std::vector&lt;std::vector&lt;int&gt;&gt; *adj) {</div>
<div class="line"><a id="l00078" name="l00078"></a><span class="lineno"> 78</span> <span class="keywordtype">int</span> n = adj-&gt;size();</div>
<div class="line"><a id="l00079" name="l00079"></a><span class="lineno"> 79</span> <span class="keywordtype">int</span> connected_components = 0;</div>
<div class="line"><a id="l00080" name="l00080"></a><span class="lineno"> 80</span> std::vector&lt;bool&gt; visited(n, <span class="keyword">false</span>);</div>
<div class="line"><a id="l00081" name="l00081"></a><span class="lineno"> 81</span> </div>
<div class="line"><a id="l00082" name="l00082"></a><span class="lineno"> 82</span> <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i &lt; n; i++) {</div>
<div class="line"><a id="l00083" name="l00083"></a><span class="lineno"> 83</span> <span class="keywordflow">if</span> (!visited[i]) {</div>
<div class="line"><a id="l00084" name="l00084"></a><span class="lineno"> 84</span> <a class="code hl_function" href="../../df/dce/namespacegraph.html#a3ae80bc4c6a79d041b4f3a6589eb7fb8">explore</a>(adj, i, &amp;visited);</div>
<div class="line"><a id="l00085" name="l00085"></a><span class="lineno"> 85</span> connected_components++;</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> }</div>
<div class="line"><a id="l00088" name="l00088"></a><span class="lineno"> 88</span> <span class="keywordflow">return</span> connected_components;</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>} <span class="comment">// namespace graph</span></div>
<div class="line"><a id="l00091" name="l00091"></a><span class="lineno"> 91</span> </div>
<div class="foldopen" id="foldopen00093" data-start="{" data-end="}">
<div class="line"><a id="l00093" name="l00093"></a><span class="lineno"><a class="line" href="../../df/ddd/connected__components_8cpp.html#a88ec9ad42717780d6caaff9d3d6977f9"> 93</a></span><span class="keywordtype">void</span> <a class="code hl_function" href="../../df/ddd/connected__components_8cpp.html#a88ec9ad42717780d6caaff9d3d6977f9">tests</a>() {</div>
<div class="line"><a id="l00094" name="l00094"></a><span class="lineno"> 94</span> std::cout &lt;&lt; <span class="stringliteral">&quot;Running predefined tests...&quot;</span> &lt;&lt; std::endl;</div>
<div class="line"><a id="l00095" name="l00095"></a><span class="lineno"> 95</span> std::cout &lt;&lt; <span class="stringliteral">&quot;Initiating Test 1...&quot;</span> &lt;&lt; std::endl;</div>
<div class="line"><a id="l00096" name="l00096"></a><span class="lineno"> 96</span> std::vector&lt;std::vector&lt;int&gt;&gt; adj1(9, std::vector&lt;int&gt;());</div>
<div class="line"><a id="l00097" name="l00097"></a><span class="lineno"> 97</span> <a class="code hl_function" href="../../df/dce/namespacegraph.html#a9125ceb66bfbec3093bba64c2c1e99e2">graph::addEdge</a>(&amp;adj1, 1, 2);</div>
<div class="line"><a id="l00098" name="l00098"></a><span class="lineno"> 98</span> <a class="code hl_function" href="../../df/dce/namespacegraph.html#a9125ceb66bfbec3093bba64c2c1e99e2">graph::addEdge</a>(&amp;adj1, 1, 3);</div>
<div class="line"><a id="l00099" name="l00099"></a><span class="lineno"> 99</span> <a class="code hl_function" href="../../df/dce/namespacegraph.html#a9125ceb66bfbec3093bba64c2c1e99e2">graph::addEdge</a>(&amp;adj1, 3, 4);</div>
<div class="line"><a id="l00100" name="l00100"></a><span class="lineno"> 100</span> <a class="code hl_function" href="../../df/dce/namespacegraph.html#a9125ceb66bfbec3093bba64c2c1e99e2">graph::addEdge</a>(&amp;adj1, 5, 7);</div>
<div class="line"><a id="l00101" name="l00101"></a><span class="lineno"> 101</span> <a class="code hl_function" href="../../df/dce/namespacegraph.html#a9125ceb66bfbec3093bba64c2c1e99e2">graph::addEdge</a>(&amp;adj1, 5, 6);</div>
<div class="line"><a id="l00102" name="l00102"></a><span class="lineno"> 102</span> <a class="code hl_function" href="../../df/dce/namespacegraph.html#a9125ceb66bfbec3093bba64c2c1e99e2">graph::addEdge</a>(&amp;adj1, 8, 9);</div>
<div class="line"><a id="l00103" name="l00103"></a><span class="lineno"> 103</span> </div>
<div class="line"><a id="l00104" name="l00104"></a><span class="lineno"> 104</span> assert(<a class="code hl_function" href="../../df/dce/namespacegraph.html#a83ab16e96cec644109a58dfc9329bc2b">graph::getConnectedComponents</a>(&amp;adj1) == 3);</div>
<div class="line"><a id="l00105" name="l00105"></a><span class="lineno"> 105</span> std::cout &lt;&lt; <span class="stringliteral">&quot;Test 1 Passed...&quot;</span> &lt;&lt; std::endl;</div>
<div class="line"><a id="l00106" name="l00106"></a><span class="lineno"> 106</span> </div>
<div class="line"><a id="l00107" name="l00107"></a><span class="lineno"> 107</span> std::cout &lt;&lt; <span class="stringliteral">&quot;Innitiating Test 2...&quot;</span> &lt;&lt; std::endl;</div>
<div class="line"><a id="l00108" name="l00108"></a><span class="lineno"> 108</span> std::vector&lt;std::vector&lt;int&gt;&gt; adj2(10, std::vector&lt;int&gt;());</div>
<div class="line"><a id="l00109" name="l00109"></a><span class="lineno"> 109</span> <a class="code hl_function" href="../../df/dce/namespacegraph.html#a9125ceb66bfbec3093bba64c2c1e99e2">graph::addEdge</a>(&amp;adj2, 1, 2);</div>
<div class="line"><a id="l00110" name="l00110"></a><span class="lineno"> 110</span> <a class="code hl_function" href="../../df/dce/namespacegraph.html#a9125ceb66bfbec3093bba64c2c1e99e2">graph::addEdge</a>(&amp;adj2, 1, 3);</div>
<div class="line"><a id="l00111" name="l00111"></a><span class="lineno"> 111</span> <a class="code hl_function" href="../../df/dce/namespacegraph.html#a9125ceb66bfbec3093bba64c2c1e99e2">graph::addEdge</a>(&amp;adj2, 1, 4);</div>
<div class="line"><a id="l00112" name="l00112"></a><span class="lineno"> 112</span> <a class="code hl_function" href="../../df/dce/namespacegraph.html#a9125ceb66bfbec3093bba64c2c1e99e2">graph::addEdge</a>(&amp;adj2, 2, 3);</div>
<div class="line"><a id="l00113" name="l00113"></a><span class="lineno"> 113</span> <a class="code hl_function" href="../../df/dce/namespacegraph.html#a9125ceb66bfbec3093bba64c2c1e99e2">graph::addEdge</a>(&amp;adj2, 3, 4);</div>
<div class="line"><a id="l00114" name="l00114"></a><span class="lineno"> 114</span> <a class="code hl_function" href="../../df/dce/namespacegraph.html#a9125ceb66bfbec3093bba64c2c1e99e2">graph::addEdge</a>(&amp;adj2, 4, 8);</div>
<div class="line"><a id="l00115" name="l00115"></a><span class="lineno"> 115</span> <a class="code hl_function" href="../../df/dce/namespacegraph.html#a9125ceb66bfbec3093bba64c2c1e99e2">graph::addEdge</a>(&amp;adj2, 4, 10);</div>
<div class="line"><a id="l00116" name="l00116"></a><span class="lineno"> 116</span> <a class="code hl_function" href="../../df/dce/namespacegraph.html#a9125ceb66bfbec3093bba64c2c1e99e2">graph::addEdge</a>(&amp;adj2, 8, 10);</div>
<div class="line"><a id="l00117" name="l00117"></a><span class="lineno"> 117</span> <a class="code hl_function" href="../../df/dce/namespacegraph.html#a9125ceb66bfbec3093bba64c2c1e99e2">graph::addEdge</a>(&amp;adj2, 8, 9);</div>
<div class="line"><a id="l00118" name="l00118"></a><span class="lineno"> 118</span> <a class="code hl_function" href="../../df/dce/namespacegraph.html#a9125ceb66bfbec3093bba64c2c1e99e2">graph::addEdge</a>(&amp;adj2, 5, 7);</div>
<div class="line"><a id="l00119" name="l00119"></a><span class="lineno"> 119</span> <a class="code hl_function" href="../../df/dce/namespacegraph.html#a9125ceb66bfbec3093bba64c2c1e99e2">graph::addEdge</a>(&amp;adj2, 5, 6);</div>
<div class="line"><a id="l00120" name="l00120"></a><span class="lineno"> 120</span> <a class="code hl_function" href="../../df/dce/namespacegraph.html#a9125ceb66bfbec3093bba64c2c1e99e2">graph::addEdge</a>(&amp;adj2, 6, 7);</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> assert(<a class="code hl_function" href="../../df/dce/namespacegraph.html#a83ab16e96cec644109a58dfc9329bc2b">graph::getConnectedComponents</a>(&amp;adj2) == 2);</div>
<div class="line"><a id="l00123" name="l00123"></a><span class="lineno"> 123</span> std::cout &lt;&lt; <span class="stringliteral">&quot;Test 2 Passed...&quot;</span> &lt;&lt; std::endl;</div>
<div class="line"><a id="l00124" name="l00124"></a><span class="lineno"> 124</span>}</div>
</div>
<div class="line"><a id="l00125" name="l00125"></a><span class="lineno"> 125</span> </div>
<div class="foldopen" id="foldopen00127" data-start="{" data-end="}">
<div class="line"><a id="l00127" name="l00127"></a><span class="lineno"><a class="line" href="../../df/ddd/connected__components_8cpp.html#ae66f6b31b5ad750f1fe042a706a4e3d4"> 127</a></span><span class="keywordtype">int</span> <a class="code hl_function" href="../../df/ddd/connected__components_8cpp.html#ae66f6b31b5ad750f1fe042a706a4e3d4">main</a>() {</div>
<div class="line"><a id="l00129" name="l00129"></a><span class="lineno"> 129</span> <a class="code hl_function" href="../../df/ddd/connected__components_8cpp.html#a88ec9ad42717780d6caaff9d3d6977f9">tests</a>();</div>
<div class="line"><a id="l00130" name="l00130"></a><span class="lineno"> 130</span> </div>
<div class="line"><a id="l00131" name="l00131"></a><span class="lineno"> 131</span> <span class="keywordtype">int</span> vertices = int(), edges = int();</div>
<div class="line"><a id="l00132" name="l00132"></a><span class="lineno"> 132</span> std::cout &lt;&lt; <span class="stringliteral">&quot;Enter the number of vertices : &quot;</span>;</div>
<div class="line"><a id="l00133" name="l00133"></a><span class="lineno"> 133</span> std::cin &gt;&gt; vertices;</div>
<div class="line"><a id="l00134" name="l00134"></a><span class="lineno"> 134</span> std::cout &lt;&lt; <span class="stringliteral">&quot;Enter the number of edges : &quot;</span>;</div>
<div class="line"><a id="l00135" name="l00135"></a><span class="lineno"> 135</span> std::cin &gt;&gt; edges;</div>
<div class="line"><a id="l00136" name="l00136"></a><span class="lineno"> 136</span> </div>
<div class="line"><a id="l00137" name="l00137"></a><span class="lineno"> 137</span> std::vector&lt;std::vector&lt;int&gt;&gt; adj(vertices, std::vector&lt;int&gt;());</div>
<div class="line"><a id="l00138" name="l00138"></a><span class="lineno"> 138</span> </div>
<div class="line"><a id="l00139" name="l00139"></a><span class="lineno"> 139</span> <span class="keywordtype">int</span> u = int(), v = int();</div>
<div class="line"><a id="l00140" name="l00140"></a><span class="lineno"> 140</span> <span class="keywordflow">while</span> (edges--) {</div>
<div class="line"><a id="l00141" name="l00141"></a><span class="lineno"> 141</span> std::cin &gt;&gt; u &gt;&gt; v;</div>
<div class="line"><a id="l00142" name="l00142"></a><span class="lineno"> 142</span> <a class="code hl_function" href="../../df/dce/namespacegraph.html#a9125ceb66bfbec3093bba64c2c1e99e2">graph::addEdge</a>(&amp;adj, u, v);</div>
<div class="line"><a id="l00143" name="l00143"></a><span class="lineno"> 143</span> }</div>
<div class="line"><a id="l00144" name="l00144"></a><span class="lineno"> 144</span> </div>
<div class="line"><a id="l00145" name="l00145"></a><span class="lineno"> 145</span> <span class="keywordtype">int</span> cc = <a class="code hl_function" href="../../df/dce/namespacegraph.html#a83ab16e96cec644109a58dfc9329bc2b">graph::getConnectedComponents</a>(&amp;adj);</div>
<div class="line"><a id="l00146" name="l00146"></a><span class="lineno"> 146</span> std::cout &lt;&lt; cc &lt;&lt; std::endl;</div>
<div class="line"><a id="l00147" name="l00147"></a><span class="lineno"> 147</span> <span class="keywordflow">return</span> 0;</div>
<div class="line"><a id="l00148" name="l00148"></a><span class="lineno"> 148</span>}</div>
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<div class="ttc" id="aconnected__components_8cpp_html_a88ec9ad42717780d6caaff9d3d6977f9"><div class="ttname"><a href="../../df/ddd/connected__components_8cpp.html#a88ec9ad42717780d6caaff9d3d6977f9">tests</a></div><div class="ttdeci">void tests()</div><div class="ttdef"><b>Definition</b> <a href="#l00093">connected_components.cpp:93</a></div></div>
<div class="ttc" id="aconnected__components_8cpp_html_ae66f6b31b5ad750f1fe042a706a4e3d4"><div class="ttname"><a href="../../df/ddd/connected__components_8cpp.html#ae66f6b31b5ad750f1fe042a706a4e3d4">main</a></div><div class="ttdeci">int main()</div><div class="ttdef"><b>Definition</b> <a href="#l00127">connected_components.cpp:127</a></div></div>
<div class="ttc" id="anamespacegraph_html"><div class="ttname"><a href="../../df/dce/namespacegraph.html">graph</a></div><div class="ttdoc">Graph Algorithms.</div></div>
<div class="ttc" id="anamespacegraph_html_a3ae80bc4c6a79d041b4f3a6589eb7fb8"><div class="ttname"><a href="../../df/dce/namespacegraph.html#a3ae80bc4c6a79d041b4f3a6589eb7fb8">graph::explore</a></div><div class="ttdeci">void explore(const std::vector&lt; std::vector&lt; int &gt; &gt; *adj, int u, std::vector&lt; bool &gt; *visited)</div><div class="ttdoc">Utility function for depth first seach algorithm this function explores the vertex which is passed in...</div><div class="ttdef"><b>Definition</b> <a href="#l00059">connected_components.cpp:59</a></div></div>
<div class="ttc" id="anamespacegraph_html_a83ab16e96cec644109a58dfc9329bc2b"><div class="ttname"><a href="../../df/dce/namespacegraph.html#a83ab16e96cec644109a58dfc9329bc2b">graph::getConnectedComponents</a></div><div class="ttdeci">int getConnectedComponents(const std::vector&lt; std::vector&lt; int &gt; &gt; *adj)</div><div class="ttdoc">Function that perfoms depth first search algorithm on graph and calculated the number of connected co...</div><div class="ttdef"><b>Definition</b> <a href="#l00077">connected_components.cpp:77</a></div></div>
<div class="ttc" id="anamespacegraph_html_a9125ceb66bfbec3093bba64c2c1e99e2"><div class="ttname"><a href="../../df/dce/namespacegraph.html#a9125ceb66bfbec3093bba64c2c1e99e2">graph::addEdge</a></div><div class="ttdeci">void addEdge(std::vector&lt; std::vector&lt; int &gt; &gt; *adj, int u, int v)</div><div class="ttdoc">Function that add edge between two nodes or vertices of graph.</div><div class="ttdef"><b>Definition</b> <a href="#l00046">connected_components.cpp:46</a></div></div>
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