backup/C-Plus-Plus
1
0
Fork 0
mirror of https://github.com/TheAlgorithms/C-Plus-Plus.git synced 2026-03-21 04:18:34 +08:00
Code Issues Projects Releases Wiki Activity
Files
e7edde96abf000def3eb0618a4f9687e9037cc80
C-Plus-Plus/dc/d61/classgraph_1_1_graph.html
realstealthninja e7edde96ab Documentation for 93a700c7e9
2025-05-25 14:24:42 +00:00

431 lines
30 KiB
HTML
Raw Blame History

<!-- HTML header for doxygen 1.12.0-->
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "https://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" lang="en-US">
<head>
<meta http-equiv="Content-Type" content="text/xhtml;charset=UTF-8"/>
<meta http-equiv="X-UA-Compatible" content="IE=11"/>
<meta name="generator" content="Doxygen 1.13.2"/>
<meta name="viewport" content="width=device-width, initial-scale=1"/>
<title>TheAlgorithms/C++: graph::Graph&lt; T &gt; Class Template Reference</title>
<link rel="icon" href="../../favicon.svg" type="image/x-icon" />
<link href="../../tabs.css" rel="stylesheet" type="text/css"/>
<script type="text/javascript" src="../../jquery.js"></script>
<script type="text/javascript" src="../../dynsections.js"></script>
<script type="text/javascript" src="https://cdn.jsdelivr.net/npm/@xpack-3rd-party/doxygen-awesome-css@2.2.0-1/doxygen-awesome-darkmode-toggle.js"></script>
<script type="text/javascript">
DoxygenAwesomeDarkModeToggle.init()
</script>
<script type="text/javascript" src="../../clipboard.js"></script>
<link href="../../navtree.css" rel="stylesheet" type="text/css"/>
<script type="text/javascript" src="../../navtreedata.js"></script>
<script type="text/javascript" src="../../navtree.js"></script>
<script type="text/javascript" src="../../resize.js"></script>
<script type="text/javascript" src="../../cookie.js"></script>
<link href="../../search/search.css" rel="stylesheet" type="text/css"/>
<script type="text/javascript" src="../../search/searchdata.js"></script>
<script type="text/javascript" src="../../search/search.js"></script>
<script type="text/javascript">
window.MathJax = {
options: {
ignoreHtmlClass: 'tex2jax_ignore',
processHtmlClass: 'tex2jax_process'
},
loader: {
load: ['[tex]/ams']
},
tex: {
macros: {},
packages: ['base','configmacros','ams']
}
};
</script>
<script type="text/javascript" id="MathJax-script" async="async" src="https://cdn.jsdelivr.net/npm/mathjax@3/es5/tex-chtml.js"></script>
<link href="../../doxygen.css" rel="stylesheet" type="text/css" />
<link href="../../doxygen-awesome.css" rel="stylesheet" type="text/css"/>
</head>
<body>
<div id="top"><!-- do not remove this div, it is closed by doxygen! -->
<div id="titlearea">
<table cellspacing="0" cellpadding="0">
<tbody>
<tr id="projectrow">
<td id="projectlogo"><img alt="Logo" src="../../project_logo.png"/></td>
<td id="projectalign">
<div id="projectname">TheAlgorithms/C++<span id="projectnumber">&#160;1.0.0</span>
</div>
<div id="projectbrief">All the algorithms implemented in C++</div>
</td>
</tr>
</tbody>
</table>
</div>
<!-- end header part -->
<!-- Generated by Doxygen 1.13.2 -->
<script type="text/javascript">
/* @license magnet:?xt=urn:btih:d3d9a9a6595521f9666a5e94cc830dab83b65699&amp;dn=expat.txt MIT */
var searchBox = new SearchBox("searchBox", "../../search/",'.html');
/* @license-end */
</script>
<script type="text/javascript">
/* @license magnet:?xt=urn:btih:d3d9a9a6595521f9666a5e94cc830dab83b65699&amp;dn=expat.txt MIT */
$(function() { codefold.init(1); });
/* @license-end */
</script>
<script type="text/javascript" src="../../menudata.js"></script>
<script type="text/javascript" src="../../menu.js"></script>
<script type="text/javascript">
/* @license magnet:?xt=urn:btih:d3d9a9a6595521f9666a5e94cc830dab83b65699&amp;dn=expat.txt MIT */
$(function() {
initMenu('../../',true,false,'search.php','Search',true);
$(function() { init_search(); });
});
/* @license-end */
</script>
<div id="main-nav"></div>
</div><!-- top -->
<div id="side-nav" class="ui-resizable side-nav-resizable">
<div id="nav-tree">
<div id="nav-tree-contents">
<div id="nav-sync" class="sync"></div>
</div>
</div>
<div id="splitbar" style="-moz-user-select:none;"
class="ui-resizable-handle">
</div>
</div>
<script type="text/javascript">
/* @license magnet:?xt=urn:btih:d3d9a9a6595521f9666a5e94cc830dab83b65699&amp;dn=expat.txt MIT */
$(function(){initNavTree('dc/d61/classgraph_1_1_graph.html','../../'); initResizable(true); });
/* @license-end */
</script>
<div id="doc-content">
<!-- window showing the filter options -->
<div id="MSearchSelectWindow"
onmouseover="return searchBox.OnSearchSelectShow()"
onmouseout="return searchBox.OnSearchSelectHide()"
onkeydown="return searchBox.OnSearchSelectKey(event)">
</div>
<!-- iframe showing the search results (closed by default) -->
<div id="MSearchResultsWindow">
<div id="MSearchResults">
<div class="SRPage">
<div id="SRIndex">
<div id="SRResults"></div>
<div class="SRStatus" id="Loading">Loading...</div>
<div class="SRStatus" id="Searching">Searching...</div>
<div class="SRStatus" id="NoMatches">No Matches</div>
</div>
</div>
</div>
</div>
<div class="header">
<div class="summary">
<a href="#pub-methods">Public Member Functions</a> &#124;
<a href="#pub-attribs">Public Attributes</a> &#124;
<a href="#pri-attribs">Private Attributes</a> &#124;
<a href="../../db/d1e/classgraph_1_1_graph-members.html">List of all members</a> </div>
<div class="headertitle"><div class="title">graph::Graph&lt; T &gt; Class Template Reference</div></div>
</div><!--header-->
<div class="contents">
<div class="dynheader">
Inheritance diagram for graph::Graph&lt; T &gt;:</div>
<div class="dyncontent">
<div class="center"><iframe scrolling="no" frameborder="0" src="../../d7/dc1/classgraph_1_1_graph__inherit__graph.svg" width="140" height="111"><p><b>This browser is not able to show SVG: try Firefox, Chrome, Safari, or Opera instead.</b></p></iframe></div>
<center><span class="legend">[<a target="top" href="../../graph_legend.html">legend</a>]</span></center></div>
<div class="dynheader">
Collaboration diagram for graph::Graph&lt; T &gt;:</div>
<div class="dyncontent">
<div class="center"><iframe scrolling="no" frameborder="0" src="../../d5/d08/classgraph_1_1_graph__coll__graph.svg" width="334" height="244"><p><b>This browser is not able to show SVG: try Firefox, Chrome, Safari, or Opera instead.</b></p></iframe></div>
<center><span class="legend">[<a target="top" href="../../graph_legend.html">legend</a>]</span></center></div>
<table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 class="groupheader"><a id="pub-methods" name="pub-methods"></a>
Public Member Functions</h2></td></tr>
<tr class="memitem:a877b2cba40d8d46dde6fb4209effed19" id="r_a877b2cba40d8d46dde6fb4209effed19"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="#a877b2cba40d8d46dde6fb4209effed19">add_edge</a> (T u, T v, bool bidir=true)</td></tr>
<tr class="separator:a877b2cba40d8d46dde6fb4209effed19"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a3755ec9e6a842238c7f4aac10b661981" id="r_a3755ec9e6a842238c7f4aac10b661981"><td class="memItemLeft" align="right" valign="top">std::map&lt; T, bool &gt;&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="#a3755ec9e6a842238c7f4aac10b661981">breadth_first_search</a> (T src)</td></tr>
<tr class="separator:a3755ec9e6a842238c7f4aac10b661981"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a8839fa14bff19d2deab4a618447c13e5" id="r_a8839fa14bff19d2deab4a618447c13e5"><td class="memItemLeft" align="right" valign="top">&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="#a8839fa14bff19d2deab4a618447c13e5">Graph</a> (size_t N, const std::vector&lt; std::pair&lt; int, int &gt; &gt; &amp;undirected_edges)</td></tr>
<tr class="memdesc:a8839fa14bff19d2deab4a618447c13e5"><td class="mdescLeft">&#160;</td><td class="mdescRight">Populate the adjacency list for each vertex in the graph. Assumes that evey edge is a pair of valid vertex indices. <br /></td></tr>
<tr class="separator:a8839fa14bff19d2deab4a618447c13e5"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a8930d1470d132b19e430d1c71f94c904" id="r_a8930d1470d132b19e430d1c71f94c904"><td class="memItemLeft" align="right" valign="top">int&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="#a8930d1470d132b19e430d1c71f94c904">number_of_vertices</a> () const</td></tr>
<tr class="separator:a8930d1470d132b19e430d1c71f94c904"><td class="memSeparator" colspan="2">&#160;</td></tr>
</table><table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 class="groupheader"><a id="pub-attribs" name="pub-attribs"></a>
Public Attributes</h2></td></tr>
<tr class="memitem:a59940c462861f2fcf4951d1b6c084e6a" id="r_a59940c462861f2fcf4951d1b6c084e6a"><td class="memItemLeft" align="right" valign="top">std::vector&lt; std::vector&lt; int &gt; &gt;&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="#a59940c462861f2fcf4951d1b6c084e6a">neighbors</a></td></tr>
<tr class="memdesc:a59940c462861f2fcf4951d1b6c084e6a"><td class="mdescLeft">&#160;</td><td class="mdescRight">for each vertex it stores a list indicies of its neighbors <br /></td></tr>
<tr class="separator:a59940c462861f2fcf4951d1b6c084e6a"><td class="memSeparator" colspan="2">&#160;</td></tr>
</table><table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 class="groupheader"><a id="pri-attribs" name="pri-attribs"></a>
Private Attributes</h2></td></tr>
<tr class="memitem:acebf0505d625b043bb9c8c27c7a8def0" id="r_acebf0505d625b043bb9c8c27c7a8def0"><td class="memItemLeft" align="right" valign="top">std::map&lt; T, std::list&lt; T &gt; &gt;&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="#acebf0505d625b043bb9c8c27c7a8def0">adjacency_list</a></td></tr>
<tr class="separator:acebf0505d625b043bb9c8c27c7a8def0"><td class="memSeparator" colspan="2">&#160;</td></tr>
</table>
<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
<div class="textblock"><div class="compoundTemplParams">template&lt;typename T&gt;<br />
class graph::Graph&lt; T &gt;</div><p>Class for representing a graph as an adjacency list. Its vertices are indexed 0, 1, ..., N - 1. </p>
<p class="definition">Definition at line <a class="el" href="../../df/d82/breadth__first__search_8cpp_source.html#l00063">63</a> of file <a class="el" href="../../df/d82/breadth__first__search_8cpp_source.html">breadth_first_search.cpp</a>.</p>
</div><h2 class="groupheader">Constructor &amp; Destructor Documentation</h2>
<a id="a8839fa14bff19d2deab4a618447c13e5" name="a8839fa14bff19d2deab4a618447c13e5"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a8839fa14bff19d2deab4a618447c13e5">&#9670;&#160;</a></span>Graph()</h2>
<div class="memitem">
<div class="memproto">
<div class="memtemplate">
template&lt;typename T&gt; </div>
<table class="mlabels">
<tr>
<td class="mlabels-left">
<table class="memname">
<tr>
<td class="memname"><a class="el" href="../../dc/d61/classgraph_1_1_graph.html">graph::Graph</a>&lt; T &gt;<a class="el" href="../../da/d9a/class_graph.html">::Graph</a> </td>
<td>(</td>
<td class="paramtype">size_t</td> <td class="paramname"><span class="paramname"><em>N</em></span>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">const std::vector&lt; std::pair&lt; int, int &gt; &gt; &amp;</td> <td class="paramname"><span class="paramname"><em>undirected_edges</em></span>&#160;)</td>
</tr>
</table>
</td>
<td class="mlabels-right">
<span class="mlabels"><span class="mlabel inline">inline</span></span> </td>
</tr>
</table>
</div><div class="memdoc">
<p>Populate the adjacency list for each vertex in the graph. Assumes that evey edge is a pair of valid vertex indices. </p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">N</td><td>number of vertices in the graph </td></tr>
<tr><td class="paramname">undirected_edges</td><td>list of graph's undirected edges </td></tr>
</table>
</dd>
</dl>
<p class="definition">Definition at line <a class="el" href="../../de/dde/lowest__common__ancestor_8cpp_source.html#l00062">62</a> of file <a class="el" href="../../de/dde/lowest__common__ancestor_8cpp_source.html">lowest_common_ancestor.cpp</a>.</p>
<div class="fragment"><div class="line"><span class="lineno"> 62</span> {</div>
<div class="line"><span class="lineno"> 63</span> <a class="code hl_variable" href="#a59940c462861f2fcf4951d1b6c084e6a">neighbors</a>.resize(<a class="code hl_class" href="../../dc/d61/classgraph_1_1_graph.html">N</a>);</div>
<div class="line"><span class="lineno"> 64</span> <span class="keywordflow">for</span> (<span class="keyword">auto</span> &amp;<a class="code hl_class" href="../../dc/d61/classgraph_1_1_graph.html">edge</a> : <a class="code hl_class" href="../../dc/d61/classgraph_1_1_graph.html">undirected_edges</a>) {</div>
<div class="line"><span class="lineno"> 65</span> <a class="code hl_variable" href="#a59940c462861f2fcf4951d1b6c084e6a">neighbors</a>[<a class="code hl_class" href="../../dc/d61/classgraph_1_1_graph.html">edge</a>.first].push_back(<a class="code hl_class" href="../../dc/d61/classgraph_1_1_graph.html">edge</a>.second);</div>
<div class="line"><span class="lineno"> 66</span> <a class="code hl_variable" href="#a59940c462861f2fcf4951d1b6c084e6a">neighbors</a>[<a class="code hl_class" href="../../dc/d61/classgraph_1_1_graph.html">edge</a>.second].push_back(<a class="code hl_class" href="../../dc/d61/classgraph_1_1_graph.html">edge</a>.first);</div>
<div class="line"><span class="lineno"> 67</span> }</div>
<div class="line"><span class="lineno"> 68</span> }</div>
<div class="ttc" id="aclassgraph_1_1_graph_html"><div class="ttname"><a href="../../dc/d61/classgraph_1_1_graph.html">graph::Graph</a></div><div class="ttdef"><b>Definition</b> <a href="../../df/d82/breadth__first__search_8cpp_source.html#l00063">breadth_first_search.cpp:63</a></div></div>
<div class="ttc" id="aclassgraph_1_1_graph_html_a59940c462861f2fcf4951d1b6c084e6a"><div class="ttname"><a href="#a59940c462861f2fcf4951d1b6c084e6a">graph::Graph::neighbors</a></div><div class="ttdeci">std::vector&lt; std::vector&lt; int &gt; &gt; neighbors</div><div class="ttdoc">for each vertex it stores a list indicies of its neighbors</div><div class="ttdef"><b>Definition</b> <a href="../../de/dde/lowest__common__ancestor_8cpp_source.html#l00077">lowest_common_ancestor.cpp:77</a></div></div>
</div><!-- fragment -->
</div>
</div>
<h2 class="groupheader">Member Function Documentation</h2>
<a id="a877b2cba40d8d46dde6fb4209effed19" name="a877b2cba40d8d46dde6fb4209effed19"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a877b2cba40d8d46dde6fb4209effed19">&#9670;&#160;</a></span>add_edge()</h2>
<div class="memitem">
<div class="memproto">
<div class="memtemplate">
template&lt;typename T&gt; </div>
<table class="mlabels">
<tr>
<td class="mlabels-left">
<table class="memname">
<tr>
<td class="memname">void <a class="el" href="../../dc/d61/classgraph_1_1_graph.html">graph::Graph</a>&lt; T &gt;::add_edge </td>
<td>(</td>
<td class="paramtype">T</td> <td class="paramname"><span class="paramname"><em>u</em></span>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">T</td> <td class="paramname"><span class="paramname"><em>v</em></span>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">bool</td> <td class="paramname"><span class="paramname"><em>bidir</em></span><span class="paramdefsep"> = </span><span class="paramdefval">true</span>&#160;)</td>
</tr>
</table>
</td>
<td class="mlabels-right">
<span class="mlabels"><span class="mlabel inline">inline</span></span> </td>
</tr>
</table>
</div><div class="memdoc">
<p>add_edge(u,v,bidir) is used to add an edge between node u and node v by default , bidir is made true , i.e graph is bidirectional . It means if edge(u,v) is added then u--&gt;v and v--&gt;u both edges exist.</p>
<p>to make the graph unidirectional pass the third parameter of add_edge as false which will</p>
<p class="definition">Definition at line <a class="el" href="../../df/d82/breadth__first__search_8cpp_source.html#l00073">73</a> of file <a class="el" href="../../df/d82/breadth__first__search_8cpp_source.html">breadth_first_search.cpp</a>.</p>
<div class="fragment"><div class="line"><span class="lineno"> 73</span> {</div>
<div class="line"><span class="lineno"> 83</span> <a class="code hl_variable" href="#acebf0505d625b043bb9c8c27c7a8def0">adjacency_list</a>[<a class="code hl_class" href="../../dc/d61/classgraph_1_1_graph.html">u</a>].push_back(<a class="code hl_class" href="../../dc/d61/classgraph_1_1_graph.html">v</a>); <span class="comment">// u--&gt;v edge added</span></div>
<div class="line"><span class="lineno"> 84</span> <span class="keywordflow">if</span> (<a class="code hl_class" href="../../dc/d61/classgraph_1_1_graph.html">bidir</a> == <span class="keyword">true</span>) {</div>
<div class="line"><span class="lineno"> 85</span> <span class="comment">// if graph is bidirectional</span></div>
<div class="line"><span class="lineno"> 86</span> <a class="code hl_variable" href="#acebf0505d625b043bb9c8c27c7a8def0">adjacency_list</a>[<a class="code hl_class" href="../../dc/d61/classgraph_1_1_graph.html">v</a>].push_back(<a class="code hl_class" href="../../dc/d61/classgraph_1_1_graph.html">u</a>); <span class="comment">// v--&gt;u edge added</span></div>
<div class="line"><span class="lineno"> 87</span> }</div>
<div class="line"><span class="lineno"> 88</span> }</div>
<div class="ttc" id="aclassgraph_1_1_graph_html_acebf0505d625b043bb9c8c27c7a8def0"><div class="ttname"><a href="#acebf0505d625b043bb9c8c27c7a8def0">graph::Graph::adjacency_list</a></div><div class="ttdeci">std::map&lt; T, std::list&lt; T &gt; &gt; adjacency_list</div><div class="ttdef"><b>Definition</b> <a href="../../df/d82/breadth__first__search_8cpp_source.html#l00068">breadth_first_search.cpp:68</a></div></div>
</div><!-- fragment -->
</div>
</div>
<a id="a3755ec9e6a842238c7f4aac10b661981" name="a3755ec9e6a842238c7f4aac10b661981"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a3755ec9e6a842238c7f4aac10b661981">&#9670;&#160;</a></span>breadth_first_search()</h2>
<div class="memitem">
<div class="memproto">
<div class="memtemplate">
template&lt;typename T&gt; </div>
<table class="mlabels">
<tr>
<td class="mlabels-left">
<table class="memname">
<tr>
<td class="memname">std::map&lt; T, bool &gt; <a class="el" href="../../dc/d61/classgraph_1_1_graph.html">graph::Graph</a>&lt; T &gt;::breadth_first_search </td>
<td>(</td>
<td class="paramtype">T</td> <td class="paramname"><span class="paramname"><em>src</em></span></td><td>)</td>
<td></td>
</tr>
</table>
</td>
<td class="mlabels-right">
<span class="mlabels"><span class="mlabel inline">inline</span></span> </td>
</tr>
</table>
</div><div class="memdoc">
<p>this function performs the breadth first search on graph and return a mapping which maps the nodes to a boolean value representing whether the node was traversed or not. </p>
<p>mapping to keep track of all visited nodes</p>
<p>initialise every possible vertex to map to false initially none of the vertices are unvisited</p>
<p>queue to store the nodes which are yet to be traversed</p>
<p>push the source vertex to queue to begin traversing</p>
<p>mark the source vertex as visited</p>
<p>traverse the graph till no connected vertex are left extract a node from queue for further traversal</p>
<p>remove the node from the queue</p>
<p>check every vertex connected to the node which are still unvisited</p>
<p>if the neighbour is unvisited , push it into the queue</p>
<p>mark the neighbour as visited</p>
<p class="definition">Definition at line <a class="el" href="../../df/d82/breadth__first__search_8cpp_source.html#l00095">95</a> of file <a class="el" href="../../df/d82/breadth__first__search_8cpp_source.html">breadth_first_search.cpp</a>.</p>
<div class="fragment"><div class="line"><span class="lineno"> 95</span> {</div>
<div class="line"><span class="lineno"> 97</span> <a class="code hl_class" href="../../dc/d61/classgraph_1_1_graph.html">std::map&lt;T, bool&gt;</a> <a class="code hl_class" href="../../dc/d61/classgraph_1_1_graph.html">visited</a>;</div>
<div class="line"><span class="lineno"> 100</span> <span class="keywordflow">for</span> (<span class="keyword">auto</span> <span class="keyword">const</span> &amp;<a class="code hl_class" href="../../dc/d61/classgraph_1_1_graph.html">adjlist</a> : <a class="code hl_variable" href="#acebf0505d625b043bb9c8c27c7a8def0">adjacency_list</a>) {</div>
<div class="line"><span class="lineno"> 101</span> <a class="code hl_class" href="../../dc/d61/classgraph_1_1_graph.html">visited</a>[<a class="code hl_class" href="../../dc/d61/classgraph_1_1_graph.html">adjlist</a>.first] = <span class="keyword">false</span>;</div>
<div class="line"><span class="lineno"> 102</span> <span class="keywordflow">for</span> (<span class="keyword">auto</span> <span class="keyword">const</span> &amp;<a class="code hl_class" href="../../dc/d61/classgraph_1_1_graph.html">node</a> : <a class="code hl_variable" href="#acebf0505d625b043bb9c8c27c7a8def0">adjacency_list</a>[<a class="code hl_class" href="../../dc/d61/classgraph_1_1_graph.html">adjlist</a>.first]) {</div>
<div class="line"><span class="lineno"> 103</span> <a class="code hl_class" href="../../dc/d61/classgraph_1_1_graph.html">visited</a>[<a class="code hl_class" href="../../dc/d61/classgraph_1_1_graph.html">node</a>] = <span class="keyword">false</span>;</div>
<div class="line"><span class="lineno"> 104</span> }</div>
<div class="line"><span class="lineno"> 105</span> }</div>
<div class="line"><span class="lineno"> 106</span></div>
<div class="line"><span class="lineno"> 108</span> <a class="code hl_class" href="../../dc/d61/classgraph_1_1_graph.html">std::queue&lt;T&gt;</a> <a class="code hl_class" href="../../dc/d61/classgraph_1_1_graph.html">tracker</a>;</div>
<div class="line"><span class="lineno"> 109</span></div>
<div class="line"><span class="lineno"> 111</span> <a class="code hl_class" href="../../dc/d61/classgraph_1_1_graph.html">tracker</a>.push(<a class="code hl_class" href="../../dc/d61/classgraph_1_1_graph.html">src</a>);</div>
<div class="line"><span class="lineno"> 113</span> <a class="code hl_class" href="../../dc/d61/classgraph_1_1_graph.html">visited</a>[<a class="code hl_class" href="../../dc/d61/classgraph_1_1_graph.html">src</a>] = <span class="keyword">true</span>;</div>
<div class="line"><span class="lineno"> 114</span> <span class="keywordflow">while</span> (!<a class="code hl_class" href="../../dc/d61/classgraph_1_1_graph.html">tracker</a>.empty()) {</div>
<div class="line"><span class="lineno"> 117</span> <a class="code hl_class" href="../../dc/d61/classgraph_1_1_graph.html">T</a> <a class="code hl_class" href="../../dc/d61/classgraph_1_1_graph.html">node</a> = <a class="code hl_class" href="../../dc/d61/classgraph_1_1_graph.html">tracker</a>.front();</div>
<div class="line"><span class="lineno"> 119</span> <a class="code hl_class" href="../../dc/d61/classgraph_1_1_graph.html">tracker</a>.pop();</div>
<div class="line"><span class="lineno"> 120</span> <span class="keywordflow">for</span> (<a class="code hl_class" href="../../dc/d61/classgraph_1_1_graph.html">T</a> <span class="keyword">const</span> &amp;<a class="code hl_class" href="../../dc/d61/classgraph_1_1_graph.html">neighbour</a> : <a class="code hl_variable" href="#acebf0505d625b043bb9c8c27c7a8def0">adjacency_list</a>[<a class="code hl_class" href="../../dc/d61/classgraph_1_1_graph.html">node</a>]) {</div>
<div class="line"><span class="lineno"> 123</span> <span class="keywordflow">if</span> (!<a class="code hl_class" href="../../dc/d61/classgraph_1_1_graph.html">visited</a>[<a class="code hl_class" href="../../dc/d61/classgraph_1_1_graph.html">neighbour</a>]) {</div>
<div class="line"><span class="lineno"> 125</span> <a class="code hl_class" href="../../dc/d61/classgraph_1_1_graph.html">tracker</a>.push(<a class="code hl_class" href="../../dc/d61/classgraph_1_1_graph.html">neighbour</a>);</div>
<div class="line"><span class="lineno"> 127</span> <a class="code hl_class" href="../../dc/d61/classgraph_1_1_graph.html">visited</a>[<a class="code hl_class" href="../../dc/d61/classgraph_1_1_graph.html">neighbour</a>] = <span class="keyword">true</span>;</div>
<div class="line"><span class="lineno"> 128</span> }</div>
<div class="line"><span class="lineno"> 129</span> }</div>
<div class="line"><span class="lineno"> 130</span> }</div>
<div class="line"><span class="lineno"> 131</span> <span class="keywordflow">return</span> <a class="code hl_class" href="../../dc/d61/classgraph_1_1_graph.html">visited</a>;</div>
<div class="line"><span class="lineno"> 132</span> }</div>
</div><!-- fragment -->
</div>
</div>
<a id="a8930d1470d132b19e430d1c71f94c904" name="a8930d1470d132b19e430d1c71f94c904"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a8930d1470d132b19e430d1c71f94c904">&#9670;&#160;</a></span>number_of_vertices()</h2>
<div class="memitem">
<div class="memproto">
<div class="memtemplate">
template&lt;typename T&gt; </div>
<table class="mlabels">
<tr>
<td class="mlabels-left">
<table class="memname">
<tr>
<td class="memname">int <a class="el" href="../../dc/d61/classgraph_1_1_graph.html">graph::Graph</a>&lt; T &gt;::number_of_vertices </td>
<td>(</td>
<td class="paramname"><span class="paramname"><em></em></span></td><td>)</td>
<td> const</td>
</tr>
</table>
</td>
<td class="mlabels-right">
<span class="mlabels"><span class="mlabel inline">inline</span></span> </td>
</tr>
</table>
</div><div class="memdoc">
<p>Function to get the number of vertices in the graph </p><dl class="section return"><dt>Returns</dt><dd>the number of vertices in the graph. </dd></dl>
<p class="definition">Definition at line <a class="el" href="../../de/dde/lowest__common__ancestor_8cpp_source.html#l00074">74</a> of file <a class="el" href="../../de/dde/lowest__common__ancestor_8cpp_source.html">lowest_common_ancestor.cpp</a>.</p>
<div class="fragment"><div class="line"><span class="lineno"> 74</span>{ <span class="keywordflow">return</span> <a class="code hl_variable" href="#a59940c462861f2fcf4951d1b6c084e6a">neighbors</a>.size(); }</div>
</div><!-- fragment -->
</div>
</div>
<h2 class="groupheader">Member Data Documentation</h2>
<a id="acebf0505d625b043bb9c8c27c7a8def0" name="acebf0505d625b043bb9c8c27c7a8def0"></a>
<h2 class="memtitle"><span class="permalink"><a href="#acebf0505d625b043bb9c8c27c7a8def0">&#9670;&#160;</a></span>adjacency_list</h2>
<div class="memitem">
<div class="memproto">
<div class="memtemplate">
template&lt;typename T&gt; </div>
<table class="mlabels">
<tr>
<td class="mlabels-left">
<table class="memname">
<tr>
<td class="memname">std::map&lt;T, std::list&lt;T&gt; &gt; <a class="el" href="../../dc/d61/classgraph_1_1_graph.html">graph::Graph</a>&lt; T &gt;::adjacency_list</td>
</tr>
</table>
</td>
<td class="mlabels-right">
<span class="mlabels"><span class="mlabel private">private</span></span> </td>
</tr>
</table>
</div><div class="memdoc">
<p>adjacency_list maps every vertex to the list of its neighbours in the order in which they are added. </p>
<p class="definition">Definition at line <a class="el" href="../../df/d82/breadth__first__search_8cpp_source.html#l00068">68</a> of file <a class="el" href="../../df/d82/breadth__first__search_8cpp_source.html">breadth_first_search.cpp</a>.</p>
</div>
</div>
<a id="a59940c462861f2fcf4951d1b6c084e6a" name="a59940c462861f2fcf4951d1b6c084e6a"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a59940c462861f2fcf4951d1b6c084e6a">&#9670;&#160;</a></span>neighbors</h2>
<div class="memitem">
<div class="memproto">
<div class="memtemplate">
template&lt;typename T&gt; </div>
<table class="memname">
<tr>
<td class="memname">std::vector&lt;std::vector&lt;int&gt; &gt; <a class="el" href="../../dc/d61/classgraph_1_1_graph.html">graph::Graph</a>&lt; T &gt;::neighbors</td>
</tr>
</table>
</div><div class="memdoc">
<p>for each vertex it stores a list indicies of its neighbors </p>
<p class="definition">Definition at line <a class="el" href="../../de/dde/lowest__common__ancestor_8cpp_source.html#l00077">77</a> of file <a class="el" href="../../de/dde/lowest__common__ancestor_8cpp_source.html">lowest_common_ancestor.cpp</a>.</p>
</div>
</div>
<hr/>The documentation for this class was generated from the following files:<ul>
<li>graph/<a class="el" href="../../df/d82/breadth__first__search_8cpp_source.html">breadth_first_search.cpp</a></li>
<li>graph/<a class="el" href="../../de/dde/lowest__common__ancestor_8cpp_source.html">lowest_common_ancestor.cpp</a></li>
</ul>
</div><!-- contents -->
</div><!-- doc-content -->
<!-- start footer part -->
<div id="nav-path" class="navpath"><!-- id is needed for treeview function! -->
<ul>
<li class="navelem"><a class="el" href="../../df/dce/namespacegraph.html">graph</a></li><li class="navelem"><a class="el" href="../../dc/d61/classgraph_1_1_graph.html">Graph</a></li>
<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>
</ul>
</div>
</body>
</html>
Reference in New Issue View Git Blame Copy Permalink