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<div class="headertitle"><div class="title">dsu_path_compression.cpp File Reference</div></div>
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<p><a href="../../d3/dae/dsu__path__compression_8cpp_source.html">Go to the source code of this file.</a></p>
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Classes</h2></td></tr>
<tr class="memitem:"><td class="memItemLeft" align="right" valign="top">class &#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="../../dd/d1f/classdsu.html">dsu</a></td></tr>
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<tr class="memdesc:"><td class="mdescLeft">&#160;</td><td class="mdescRight">Disjoint sets union data structure, class based representation. <a href="../../dd/d1f/classdsu.html#details">More...</a><br /></td></tr>
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<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
<a name="details" id="details"></a><h2 id="header-details" class="groupheader">Detailed Description</h2>
<div class="textblock"><p><a href="https://en.wikipedia.org/wiki/Disjoint-set-data_structure" target="_blank">DSU (Disjoint sets)</a> </p>
<p>It is a very powerful data structure that keeps track of different clusters(sets) of elements, these sets are disjoint(doesnot have a common
element). Disjoint sets uses cases : for finding connected components in a graph, used in Kruskal's algorithm for finding <a class="el" href="../../d4/d12/namespace_minimum.html" title="Implementation of Minimum Edit Distance algorithm.">Minimum</a> Spanning tree. Operations that can be performed: 1) UnionSet(i,j): add(element i and j to the set) 2) findSet(i): returns the representative of the set to which i belogngs to. 3) get_max(i),get_min(i) : returns the maximum and minimum Below is the class-based approach which uses the heuristic of path compression. Using path compression in findSet(i),we are able to get to the representative of i in O(1) time. </p><dl class="section author"><dt>Author</dt><dd><a href="https://github.com/AayushVyasKIIT" target="_blank">AayushVyasKIIT</a> </dd></dl>
<dl class="section see"><dt>See also</dt><dd><a class="el" href="../../df/d28/dsu__union__rank_8cpp.html" title="DSU (Disjoint sets)">dsu_union_rank.cpp</a> </dd></dl>
<p class="definition">Definition in file <a class="el" href="../../d3/dae/dsu__path__compression_8cpp_source.html">dsu_path_compression.cpp</a>.</p>
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<h2 class="memtitle"><span class="permalink"><a href="#ae66f6b31b5ad750f1fe042a706a4e3d4">&#9670;&#160;</a></span>main()</h2>
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