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<a href="#pri-attribs">Private Attributes</a> &#124;
<a href="#friends">Friends</a> &#124;
<a href="../../d9/d4e/classrange__queries_1_1heavy__light__decomposition_1_1_tree-members.html">List of all members</a> </div>
<div class="headertitle">
<div class="title">range_queries::heavy_light_decomposition::Tree&lt; X &gt; Class Template Reference</div> </div>
<div class="headertitle"><div class="title">range_queries::heavy_light_decomposition::Tree&lt; X &gt; Class Template Reference</div></div>
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<div class="contents">
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Collaboration diagram for range_queries::heavy_light_decomposition::Tree&lt; X &gt;:</div>
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template&lt;typename T &gt; </td></tr>
<tr class="memitem:afcdadbdea1e2391cebbb17d2c1ae2f0b"><td class="memTemplItemLeft" align="right" valign="top">class&#160;</td><td class="memTemplItemRight" valign="bottom"><b>HLD</b></td></tr>
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<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
<div class="textblock"><h3>template&lt;typename X&gt;<br />
class range_queries::heavy_light_decomposition::Tree&lt; X &gt;</h3>
<p>A Basic <a class="el" href="../../d1/d51/classrange__queries_1_1heavy__light__decomposition_1_1_tree.html" title="A Basic Tree, which supports binary lifting.">Tree</a>, which supports binary lifting. </p>
<div class="textblock"><div class="compoundTemplParams">template&lt;typename X&gt;<br />
class range_queries::heavy_light_decomposition::Tree&lt; X &gt;</div><p >A Basic <a class="el" href="../../d1/d51/classrange__queries_1_1heavy__light__decomposition_1_1_tree.html" title="A Basic Tree, which supports binary lifting.">Tree</a>, which supports binary lifting. </p>
<dl class="tparams"><dt>Template Parameters</dt><dd>
<table class="tparams">
<tr><td class="paramname">the</td><td>data type of the values stored in the tree nodes</td></tr>
@@ -207,7 +198,7 @@ class range_queries::heavy_light_decomposition::Tree&lt; X &gt;</h3>
</dl>
<p>Deleting the default constructor An instance can only be created with the number of nodes Defaults: t_node indexing are zero based t_root is 0 depth of root_node is 0 Supports: lift :- lift a node k units up the tree kth_ancestor :- returns the kth ancestor lca :- returns the least common ancestor </p>
</div><h2 class="groupheader">Constructor &amp; Destructor Documentation</h2>
<a id="a835fb2bbb27307b8cacad9b287968bc1"></a>
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<h2 class="memtitle"><span class="permalink"><a href="#a835fb2bbb27307b8cacad9b287968bc1">&#9670;&nbsp;</a></span>Tree()</h2>
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</dd>
</dl>
<div class="fragment"><div class="line"><a name="l00141"></a><span class="lineno"> 141</span>&#160; : <a class="code" href="../../d1/d51/classrange__queries_1_1heavy__light__decomposition_1_1_tree.html#ae4630fa70a80a1dc65a875488a67178a">t_nodes</a>(nodes), <a class="code" href="../../d1/d51/classrange__queries_1_1heavy__light__decomposition_1_1_tree.html#ab2ab020f798d00be2613ecf63074b7c1">t_maxlift</a>(<span class="keyword">static_cast&lt;</span><span class="keywordtype">int</span><span class="keyword">&gt;</span>(<a class="codeRef" target="_blank" href="http://en.cppreference.com/w/cpp/numeric/math/floor.html">floor</a>(log2(nodes))) + 1) {</div>
<div class="line"><a name="l00142"></a><span class="lineno"> 142</span>&#160; <span class="comment">/* Initialize and resize all the vectors */</span></div>
<div class="line"><a name="l00143"></a><span class="lineno"> 143</span>&#160; <a class="code" href="../../d1/d51/classrange__queries_1_1heavy__light__decomposition_1_1_tree.html#aa6c37e840355b9fb2105181c578694e8">t_root</a> = 0; <span class="comment">/* Default */</span></div>
<div class="line"><a name="l00144"></a><span class="lineno"> 144</span>&#160; <a class="code" href="../../d1/d51/classrange__queries_1_1heavy__light__decomposition_1_1_tree.html#ab1aeaefa1bd97b867c652ba916fbdb43">t_adj</a>.<a class="codeRef" target="_blank" href="http://en.cppreference.com/w/cpp/container/vector/resize.html">resize</a>(<a class="code" href="../../d1/d51/classrange__queries_1_1heavy__light__decomposition_1_1_tree.html#ae4630fa70a80a1dc65a875488a67178a">t_nodes</a>);</div>
<div class="line"><a name="l00145"></a><span class="lineno"> 145</span>&#160; <a class="code" href="../../d1/d51/classrange__queries_1_1heavy__light__decomposition_1_1_tree.html#a350157a5fb79f76fceae33fc84171203">t_par</a>.<a class="codeRef" target="_blank" href="http://en.cppreference.com/w/cpp/container/vector/assign.html">assign</a>(<a class="code" href="../../d1/d51/classrange__queries_1_1heavy__light__decomposition_1_1_tree.html#ae4630fa70a80a1dc65a875488a67178a">t_nodes</a>, <a class="codeRef" target="_blank" href="http://en.cppreference.com/w/cpp/container/vector.html">std::vector&lt;int&gt;</a>(<a class="code" href="../../d1/d51/classrange__queries_1_1heavy__light__decomposition_1_1_tree.html#ab2ab020f798d00be2613ecf63074b7c1">t_maxlift</a>, -1));</div>
<div class="line"><a name="l00146"></a><span class="lineno"> 146</span>&#160; <a class="code" href="../../d1/d51/classrange__queries_1_1heavy__light__decomposition_1_1_tree.html#a0efd0b9c564092f443ca97030d866ef1">t_depth</a>.<a class="codeRef" target="_blank" href="http://en.cppreference.com/w/cpp/container/vector/assign.html">assign</a>(<a class="code" href="../../d1/d51/classrange__queries_1_1heavy__light__decomposition_1_1_tree.html#ae4630fa70a80a1dc65a875488a67178a">t_nodes</a>, 0);</div>
<div class="line"><a name="l00147"></a><span class="lineno"> 147</span>&#160; <a class="code" href="../../d1/d51/classrange__queries_1_1heavy__light__decomposition_1_1_tree.html#ada1494fccbc7f1f07b2f9be9f7e07ad5">t_size</a>.<a class="codeRef" target="_blank" href="http://en.cppreference.com/w/cpp/container/vector/assign.html">assign</a>(<a class="code" href="../../d1/d51/classrange__queries_1_1heavy__light__decomposition_1_1_tree.html#ae4630fa70a80a1dc65a875488a67178a">t_nodes</a>, 1);</div>
<div class="line"><a name="l00148"></a><span class="lineno"> 148</span>&#160; <a class="code" href="../../d1/d51/classrange__queries_1_1heavy__light__decomposition_1_1_tree.html#a135b7952593c9b1aae38fcaf1cc1abf7">t_val</a>.<a class="codeRef" target="_blank" href="http://en.cppreference.com/w/cpp/container/vector/resize.html">resize</a>(<a class="code" href="../../d1/d51/classrange__queries_1_1heavy__light__decomposition_1_1_tree.html#ae4630fa70a80a1dc65a875488a67178a">t_nodes</a>);</div>
<div class="line"><a name="l00149"></a><span class="lineno"> 149</span>&#160; }</div>
<div class="ttc" id="aassign_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/container/vector/assign.html">std::vector::assign</a></div><div class="ttdeci">T assign(T... args)</div></div>
<div class="fragment"><div class="line"><a id="l00141" name="l00141"></a><span class="lineno"> 141</span> : <a class="code hl_variable" href="../../d1/d51/classrange__queries_1_1heavy__light__decomposition_1_1_tree.html#ae4630fa70a80a1dc65a875488a67178a">t_nodes</a>(nodes), <a class="code hl_variable" href="../../d1/d51/classrange__queries_1_1heavy__light__decomposition_1_1_tree.html#ab2ab020f798d00be2613ecf63074b7c1">t_maxlift</a>(<span class="keyword">static_cast&lt;</span><span class="keywordtype">int</span><span class="keyword">&gt;</span>(<a class="code hl_functionRef" target="_blank" href="http://en.cppreference.com/w/cpp/numeric/math/floor.html">floor</a>(log2(nodes))) + 1) {</div>
<div class="line"><a id="l00142" name="l00142"></a><span class="lineno"> 142</span> <span class="comment">/* Initialize and resize all the vectors */</span></div>
<div class="line"><a id="l00143" name="l00143"></a><span class="lineno"> 143</span> <a class="code hl_variable" href="../../d1/d51/classrange__queries_1_1heavy__light__decomposition_1_1_tree.html#aa6c37e840355b9fb2105181c578694e8">t_root</a> = 0; <span class="comment">/* Default */</span></div>
<div class="line"><a id="l00144" name="l00144"></a><span class="lineno"> 144</span> <a class="code hl_variable" href="../../d1/d51/classrange__queries_1_1heavy__light__decomposition_1_1_tree.html#ab1aeaefa1bd97b867c652ba916fbdb43">t_adj</a>.resize(<a class="code hl_variable" href="../../d1/d51/classrange__queries_1_1heavy__light__decomposition_1_1_tree.html#ae4630fa70a80a1dc65a875488a67178a">t_nodes</a>);</div>
<div class="line"><a id="l00145" name="l00145"></a><span class="lineno"> 145</span> <a class="code hl_variable" href="../../d1/d51/classrange__queries_1_1heavy__light__decomposition_1_1_tree.html#a350157a5fb79f76fceae33fc84171203">t_par</a>.assign(<a class="code hl_variable" href="../../d1/d51/classrange__queries_1_1heavy__light__decomposition_1_1_tree.html#ae4630fa70a80a1dc65a875488a67178a">t_nodes</a>, <a class="code hl_classRef" target="_blank" href="http://en.cppreference.com/w/cpp/container/vector.html">std::vector&lt;int&gt;</a>(<a class="code hl_variable" href="../../d1/d51/classrange__queries_1_1heavy__light__decomposition_1_1_tree.html#ab2ab020f798d00be2613ecf63074b7c1">t_maxlift</a>, -1));</div>
<div class="line"><a id="l00146" name="l00146"></a><span class="lineno"> 146</span> <a class="code hl_variable" href="../../d1/d51/classrange__queries_1_1heavy__light__decomposition_1_1_tree.html#a0efd0b9c564092f443ca97030d866ef1">t_depth</a>.assign(<a class="code hl_variable" href="../../d1/d51/classrange__queries_1_1heavy__light__decomposition_1_1_tree.html#ae4630fa70a80a1dc65a875488a67178a">t_nodes</a>, 0);</div>
<div class="line"><a id="l00147" name="l00147"></a><span class="lineno"> 147</span> <a class="code hl_variable" href="../../d1/d51/classrange__queries_1_1heavy__light__decomposition_1_1_tree.html#ada1494fccbc7f1f07b2f9be9f7e07ad5">t_size</a>.assign(<a class="code hl_variable" href="../../d1/d51/classrange__queries_1_1heavy__light__decomposition_1_1_tree.html#ae4630fa70a80a1dc65a875488a67178a">t_nodes</a>, 1);</div>
<div class="line"><a id="l00148" name="l00148"></a><span class="lineno"> 148</span> <a class="code hl_variable" href="../../d1/d51/classrange__queries_1_1heavy__light__decomposition_1_1_tree.html#a135b7952593c9b1aae38fcaf1cc1abf7">t_val</a>.resize(<a class="code hl_variable" href="../../d1/d51/classrange__queries_1_1heavy__light__decomposition_1_1_tree.html#ae4630fa70a80a1dc65a875488a67178a">t_nodes</a>);</div>
<div class="line"><a id="l00149" name="l00149"></a><span class="lineno"> 149</span> }</div>
<div class="ttc" id="aclassrange__queries_1_1heavy__light__decomposition_1_1_tree_html_a0efd0b9c564092f443ca97030d866ef1"><div class="ttname"><a href="../../d1/d51/classrange__queries_1_1heavy__light__decomposition_1_1_tree.html#a0efd0b9c564092f443ca97030d866ef1">range_queries::heavy_light_decomposition::Tree::t_depth</a></div><div class="ttdeci">std::vector&lt; int &gt; t_depth</div><div class="ttdoc">a vector to store the depth of a node,</div><div class="ttdef"><b>Definition:</b> heavy_light_decomposition.cpp:88</div></div>
<div class="ttc" id="aclassrange__queries_1_1heavy__light__decomposition_1_1_tree_html_a135b7952593c9b1aae38fcaf1cc1abf7"><div class="ttname"><a href="../../d1/d51/classrange__queries_1_1heavy__light__decomposition_1_1_tree.html#a135b7952593c9b1aae38fcaf1cc1abf7">range_queries::heavy_light_decomposition::Tree::t_val</a></div><div class="ttdeci">std::vector&lt; X &gt; t_val</div><div class="ttdoc">values of nodes</div><div class="ttdef"><b>Definition:</b> heavy_light_decomposition.cpp:92</div></div>
<div class="ttc" id="aclassrange__queries_1_1heavy__light__decomposition_1_1_tree_html_a350157a5fb79f76fceae33fc84171203"><div class="ttname"><a href="../../d1/d51/classrange__queries_1_1heavy__light__decomposition_1_1_tree.html#a350157a5fb79f76fceae33fc84171203">range_queries::heavy_light_decomposition::Tree::t_par</a></div><div class="ttdeci">std::vector&lt; std::vector&lt; int &gt; &gt; t_par</div><div class="ttdoc">a matrix to store every node's 2^kth parent</div><div class="ttdef"><b>Definition:</b> heavy_light_decomposition.cpp:87</div></div>
@@ -259,19 +249,12 @@ template&lt;typename X &gt; </div>
<div class="ttc" id="aclassrange__queries_1_1heavy__light__decomposition_1_1_tree_html_ada1494fccbc7f1f07b2f9be9f7e07ad5"><div class="ttname"><a href="../../d1/d51/classrange__queries_1_1heavy__light__decomposition_1_1_tree.html#ada1494fccbc7f1f07b2f9be9f7e07ad5">range_queries::heavy_light_decomposition::Tree::t_size</a></div><div class="ttdeci">std::vector&lt; int &gt; t_size</div><div class="ttdoc">a vector to store the subtree size rooted at node</div><div class="ttdef"><b>Definition:</b> heavy_light_decomposition.cpp:89</div></div>
<div class="ttc" id="aclassrange__queries_1_1heavy__light__decomposition_1_1_tree_html_ae4630fa70a80a1dc65a875488a67178a"><div class="ttname"><a href="../../d1/d51/classrange__queries_1_1heavy__light__decomposition_1_1_tree.html#ae4630fa70a80a1dc65a875488a67178a">range_queries::heavy_light_decomposition::Tree::t_nodes</a></div><div class="ttdeci">const int t_nodes</div><div class="ttdoc">number of nodes</div><div class="ttdef"><b>Definition:</b> heavy_light_decomposition.cpp:84</div></div>
<div class="ttc" id="afloor_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/numeric/math/floor.html">std::floor</a></div><div class="ttdeci">T floor(T... args)</div></div>
<div class="ttc" id="aresize_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/container/vector/resize.html">std::vector::resize</a></div><div class="ttdeci">T resize(T... args)</div></div>
<div class="ttc" id="avector_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/container/vector.html">std::vector&lt; int &gt;</a></div></div>
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Here is the call graph for this function:</div>
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<div class="center"><iframe scrolling="no" frameborder="0" src="../../d1/d51/classrange__queries_1_1heavy__light__decomposition_1_1_tree_a835fb2bbb27307b8cacad9b287968bc1_cgraph.svg" width="339" height="88"><p><b>This browser is not able to show SVG: try Firefox, Chrome, Safari, or Opera instead.</b></p></iframe>
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<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>
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</div>
<h2 class="groupheader">Member Function Documentation</h2>
<a id="a79ab4601c4a95c0902ac04e779e5f54d"></a>
<a id="a79ab4601c4a95c0902ac04e779e5f54d" name="a79ab4601c4a95c0902ac04e779e5f54d"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a79ab4601c4a95c0902ac04e779e5f54d">&#9670;&nbsp;</a></span>add_edge()</h2>
<div class="memitem">
@@ -316,21 +299,14 @@ template&lt;typename X &gt; </div>
</dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>void </dd></dl>
<div class="fragment"><div class="line"><a name="l00157"></a><span class="lineno"> 157</span>&#160; {</div>
<div class="line"><a name="l00158"></a><span class="lineno"> 158</span>&#160; <a class="code" href="../../d1/d51/classrange__queries_1_1heavy__light__decomposition_1_1_tree.html#ab1aeaefa1bd97b867c652ba916fbdb43">t_adj</a>[u].<a class="codeRef" target="_blank" href="http://en.cppreference.com/w/cpp/container/vector/push_back.html">push_back</a>(v);</div>
<div class="line"><a name="l00159"></a><span class="lineno"> 159</span>&#160; <a class="code" href="../../d1/d51/classrange__queries_1_1heavy__light__decomposition_1_1_tree.html#ab1aeaefa1bd97b867c652ba916fbdb43">t_adj</a>[v].<a class="codeRef" target="_blank" href="http://en.cppreference.com/w/cpp/container/vector/push_back.html">push_back</a>(u);</div>
<div class="line"><a name="l00160"></a><span class="lineno"> 160</span>&#160; }</div>
<div class="ttc" id="apush_back_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/container/vector/push_back.html">std::vector::push_back</a></div><div class="ttdeci">T push_back(T... args)</div></div>
</div><!-- fragment --><div class="dynheader">
Here is the call graph for this function:</div>
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<div class="center"><iframe scrolling="no" frameborder="0" src="../../d1/d51/classrange__queries_1_1heavy__light__decomposition_1_1_tree_a79ab4601c4a95c0902ac04e779e5f54d_cgraph.svg" width="366" height="67"><p><b>This browser is not able to show SVG: try Firefox, Chrome, Safari, or Opera instead.</b></p></iframe>
<div class="fragment"><div class="line"><a id="l00157" name="l00157"></a><span class="lineno"> 157</span> {</div>
<div class="line"><a id="l00158" name="l00158"></a><span class="lineno"> 158</span> <a class="code hl_variable" href="../../d1/d51/classrange__queries_1_1heavy__light__decomposition_1_1_tree.html#ab1aeaefa1bd97b867c652ba916fbdb43">t_adj</a>[u].push_back(v);</div>
<div class="line"><a id="l00159" name="l00159"></a><span class="lineno"> 159</span> <a class="code hl_variable" href="../../d1/d51/classrange__queries_1_1heavy__light__decomposition_1_1_tree.html#ab1aeaefa1bd97b867c652ba916fbdb43">t_adj</a>[v].push_back(u);</div>
<div class="line"><a id="l00160" name="l00160"></a><span class="lineno"> 160</span> }</div>
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<a id="ab916d554afa8ca5230b4310c2c69fae0"></a>
<a id="ab916d554afa8ca5230b4310c2c69fae0" name="ab916d554afa8ca5230b4310c2c69fae0"></a>
<h2 class="memtitle"><span class="permalink"><a href="#ab916d554afa8ca5230b4310c2c69fae0">&#9670;&nbsp;</a></span>change_root()</h2>
<div class="memitem">
@@ -364,11 +340,11 @@ template&lt;typename X &gt; </div>
</dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>void </dd></dl>
<div class="fragment"><div class="line"><a name="l00167"></a><span class="lineno"> 167</span>&#160;{ <a class="code" href="../../d1/d51/classrange__queries_1_1heavy__light__decomposition_1_1_tree.html#aa6c37e840355b9fb2105181c578694e8">t_root</a> = new_root; }</div>
<div class="fragment"><div class="line"><a id="l00167" name="l00167"></a><span class="lineno"> 167</span>{ <a class="code hl_variable" href="../../d1/d51/classrange__queries_1_1heavy__light__decomposition_1_1_tree.html#aa6c37e840355b9fb2105181c578694e8">t_root</a> = new_root; }</div>
</div><!-- fragment -->
</div>
</div>
<a id="ae8de7aefcb6635d3dacdd174cd4890c4"></a>
<a id="ae8de7aefcb6635d3dacdd174cd4890c4" name="ae8de7aefcb6635d3dacdd174cd4890c4"></a>
<h2 class="memtitle"><span class="permalink"><a href="#ae8de7aefcb6635d3dacdd174cd4890c4">&#9670;&nbsp;</a></span>dfs_lca()</h2>
<div class="memitem">
@@ -413,28 +389,34 @@ template&lt;typename X &gt; </div>
</dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>void </dd></dl>
<div class="fragment"><div class="line"><a name="l00116"></a><span class="lineno"> 116</span>&#160; {</div>
<div class="line"><a name="l00117"></a><span class="lineno"> 117</span>&#160; <a class="code" href="../../d1/d51/classrange__queries_1_1heavy__light__decomposition_1_1_tree.html#a350157a5fb79f76fceae33fc84171203">t_par</a>[u][0] = p;</div>
<div class="line"><a name="l00118"></a><span class="lineno"> 118</span>&#160; <span class="keywordflow">if</span> (p != -1) {</div>
<div class="line"><a name="l00119"></a><span class="lineno"> 119</span>&#160; <a class="code" href="../../d1/d51/classrange__queries_1_1heavy__light__decomposition_1_1_tree.html#a0efd0b9c564092f443ca97030d866ef1">t_depth</a>[u] = 1 + <a class="code" href="../../d1/d51/classrange__queries_1_1heavy__light__decomposition_1_1_tree.html#a0efd0b9c564092f443ca97030d866ef1">t_depth</a>[p];</div>
<div class="line"><a name="l00120"></a><span class="lineno"> 120</span>&#160; }</div>
<div class="line"><a name="l00121"></a><span class="lineno"> 121</span>&#160; <span class="keywordflow">for</span> (<span class="keywordtype">int</span> k = 1; k &lt; <a class="code" href="../../d1/d51/classrange__queries_1_1heavy__light__decomposition_1_1_tree.html#ab2ab020f798d00be2613ecf63074b7c1">t_maxlift</a>; k++) {</div>
<div class="line"><a name="l00122"></a><span class="lineno"> 122</span>&#160; <span class="keywordflow">if</span> (<a class="code" href="../../d1/d51/classrange__queries_1_1heavy__light__decomposition_1_1_tree.html#a350157a5fb79f76fceae33fc84171203">t_par</a>[u][k - 1] != -1) {</div>
<div class="line"><a name="l00123"></a><span class="lineno"> 123</span>&#160; <a class="code" href="../../d1/d51/classrange__queries_1_1heavy__light__decomposition_1_1_tree.html#a350157a5fb79f76fceae33fc84171203">t_par</a>[u][k] = <a class="code" href="../../d1/d51/classrange__queries_1_1heavy__light__decomposition_1_1_tree.html#a350157a5fb79f76fceae33fc84171203">t_par</a>[<a class="code" href="../../d1/d51/classrange__queries_1_1heavy__light__decomposition_1_1_tree.html#a350157a5fb79f76fceae33fc84171203">t_par</a>[u][k - 1]][k - 1];</div>
<div class="line"><a name="l00124"></a><span class="lineno"> 124</span>&#160; }</div>
<div class="line"><a name="l00125"></a><span class="lineno"> 125</span>&#160; }</div>
<div class="line"><a name="l00126"></a><span class="lineno"> 126</span>&#160; </div>
<div class="line"><a name="l00127"></a><span class="lineno"> 127</span>&#160; <span class="keywordflow">for</span> (<span class="keyword">const</span> <span class="keywordtype">int</span> &amp;v : <a class="code" href="../../d1/d51/classrange__queries_1_1heavy__light__decomposition_1_1_tree.html#ab1aeaefa1bd97b867c652ba916fbdb43">t_adj</a>[u]) {</div>
<div class="line"><a name="l00128"></a><span class="lineno"> 128</span>&#160; <span class="keywordflow">if</span> (v ^ p) {</div>
<div class="line"><a name="l00129"></a><span class="lineno"> 129</span>&#160; <a class="code" href="../../d1/d51/classrange__queries_1_1heavy__light__decomposition_1_1_tree.html#ae8de7aefcb6635d3dacdd174cd4890c4">dfs_lca</a>(v, u);</div>
<div class="line"><a name="l00130"></a><span class="lineno"> 130</span>&#160; }</div>
<div class="line"><a name="l00131"></a><span class="lineno"> 131</span>&#160; }</div>
<div class="line"><a name="l00132"></a><span class="lineno"> 132</span>&#160; }</div>
<div class="fragment"><div class="line"><a id="l00116" name="l00116"></a><span class="lineno"> 116</span> {</div>
<div class="line"><a id="l00117" name="l00117"></a><span class="lineno"> 117</span> <a class="code hl_variable" href="../../d1/d51/classrange__queries_1_1heavy__light__decomposition_1_1_tree.html#a350157a5fb79f76fceae33fc84171203">t_par</a>[u][0] = p;</div>
<div class="line"><a id="l00118" name="l00118"></a><span class="lineno"> 118</span> <span class="keywordflow">if</span> (p != -1) {</div>
<div class="line"><a id="l00119" name="l00119"></a><span class="lineno"> 119</span> <a class="code hl_variable" href="../../d1/d51/classrange__queries_1_1heavy__light__decomposition_1_1_tree.html#a0efd0b9c564092f443ca97030d866ef1">t_depth</a>[u] = 1 + <a class="code hl_variable" href="../../d1/d51/classrange__queries_1_1heavy__light__decomposition_1_1_tree.html#a0efd0b9c564092f443ca97030d866ef1">t_depth</a>[p];</div>
<div class="line"><a id="l00120" name="l00120"></a><span class="lineno"> 120</span> }</div>
<div class="line"><a id="l00121" name="l00121"></a><span class="lineno"> 121</span> <span class="keywordflow">for</span> (<span class="keywordtype">int</span> k = 1; k &lt; <a class="code hl_variable" href="../../d1/d51/classrange__queries_1_1heavy__light__decomposition_1_1_tree.html#ab2ab020f798d00be2613ecf63074b7c1">t_maxlift</a>; k++) {</div>
<div class="line"><a id="l00122" name="l00122"></a><span class="lineno"> 122</span> <span class="keywordflow">if</span> (<a class="code hl_variable" href="../../d1/d51/classrange__queries_1_1heavy__light__decomposition_1_1_tree.html#a350157a5fb79f76fceae33fc84171203">t_par</a>[u][k - 1] != -1) {</div>
<div class="line"><a id="l00123" name="l00123"></a><span class="lineno"> 123</span> <a class="code hl_variable" href="../../d1/d51/classrange__queries_1_1heavy__light__decomposition_1_1_tree.html#a350157a5fb79f76fceae33fc84171203">t_par</a>[u][k] = <a class="code hl_variable" href="../../d1/d51/classrange__queries_1_1heavy__light__decomposition_1_1_tree.html#a350157a5fb79f76fceae33fc84171203">t_par</a>[<a class="code hl_variable" href="../../d1/d51/classrange__queries_1_1heavy__light__decomposition_1_1_tree.html#a350157a5fb79f76fceae33fc84171203">t_par</a>[u][k - 1]][k - 1];</div>
<div class="line"><a id="l00124" name="l00124"></a><span class="lineno"> 124</span> }</div>
<div class="line"><a id="l00125" name="l00125"></a><span class="lineno"> 125</span> }</div>
<div class="line"><a id="l00126" name="l00126"></a><span class="lineno"> 126</span> </div>
<div class="line"><a id="l00127" name="l00127"></a><span class="lineno"> 127</span> <span class="keywordflow">for</span> (<span class="keyword">const</span> <span class="keywordtype">int</span> &amp;v : <a class="code hl_variable" href="../../d1/d51/classrange__queries_1_1heavy__light__decomposition_1_1_tree.html#ab1aeaefa1bd97b867c652ba916fbdb43">t_adj</a>[u]) {</div>
<div class="line"><a id="l00128" name="l00128"></a><span class="lineno"> 128</span> <span class="keywordflow">if</span> (v ^ p) {</div>
<div class="line"><a id="l00129" name="l00129"></a><span class="lineno"> 129</span> <a class="code hl_function" href="../../d1/d51/classrange__queries_1_1heavy__light__decomposition_1_1_tree.html#ae8de7aefcb6635d3dacdd174cd4890c4">dfs_lca</a>(v, u);</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> }</div>
<div class="line"><a id="l00132" name="l00132"></a><span class="lineno"> 132</span> }</div>
<div class="ttc" id="aclassrange__queries_1_1heavy__light__decomposition_1_1_tree_html_ae8de7aefcb6635d3dacdd174cd4890c4"><div class="ttname"><a href="../../d1/d51/classrange__queries_1_1heavy__light__decomposition_1_1_tree.html#ae8de7aefcb6635d3dacdd174cd4890c4">range_queries::heavy_light_decomposition::Tree::dfs_lca</a></div><div class="ttdeci">void dfs_lca(int u, int p=-1)</div><div class="ttdoc">Utility function to populate the t_par vector.</div><div class="ttdef"><b>Definition:</b> heavy_light_decomposition.cpp:116</div></div>
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<h2 class="memtitle"><span class="permalink"><a href="#aa339c31ec74cd86a4842a8b09653d460">&#9670;&nbsp;</a></span>dfs_size()</h2>
<div class="memitem">
@@ -480,19 +462,25 @@ template&lt;typename X &gt; </div>
</dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>void </dd></dl>
<div class="fragment"><div class="line"><a name="l00101"></a><span class="lineno"> 101</span>&#160; {</div>
<div class="line"><a name="l00102"></a><span class="lineno"> 102</span>&#160; <span class="keywordflow">for</span> (<span class="keyword">const</span> <span class="keywordtype">int</span> &amp;v : <a class="code" href="../../d1/d51/classrange__queries_1_1heavy__light__decomposition_1_1_tree.html#ab1aeaefa1bd97b867c652ba916fbdb43">t_adj</a>[u]) {</div>
<div class="line"><a name="l00103"></a><span class="lineno"> 103</span>&#160; <span class="keywordflow">if</span> (v ^ p) {</div>
<div class="line"><a name="l00104"></a><span class="lineno"> 104</span>&#160; <a class="code" href="../../d1/d51/classrange__queries_1_1heavy__light__decomposition_1_1_tree.html#aa339c31ec74cd86a4842a8b09653d460">dfs_size</a>(v, u);</div>
<div class="line"><a name="l00105"></a><span class="lineno"> 105</span>&#160; <a class="code" href="../../d1/d51/classrange__queries_1_1heavy__light__decomposition_1_1_tree.html#ada1494fccbc7f1f07b2f9be9f7e07ad5">t_size</a>[u] += <a class="code" href="../../d1/d51/classrange__queries_1_1heavy__light__decomposition_1_1_tree.html#ada1494fccbc7f1f07b2f9be9f7e07ad5">t_size</a>[v];</div>
<div class="line"><a name="l00106"></a><span class="lineno"> 106</span>&#160; }</div>
<div class="line"><a name="l00107"></a><span class="lineno"> 107</span>&#160; }</div>
<div class="line"><a name="l00108"></a><span class="lineno"> 108</span>&#160; }</div>
<div class="fragment"><div class="line"><a id="l00101" name="l00101"></a><span class="lineno"> 101</span> {</div>
<div class="line"><a id="l00102" name="l00102"></a><span class="lineno"> 102</span> <span class="keywordflow">for</span> (<span class="keyword">const</span> <span class="keywordtype">int</span> &amp;v : <a class="code hl_variable" href="../../d1/d51/classrange__queries_1_1heavy__light__decomposition_1_1_tree.html#ab1aeaefa1bd97b867c652ba916fbdb43">t_adj</a>[u]) {</div>
<div class="line"><a id="l00103" name="l00103"></a><span class="lineno"> 103</span> <span class="keywordflow">if</span> (v ^ p) {</div>
<div class="line"><a id="l00104" name="l00104"></a><span class="lineno"> 104</span> <a class="code hl_function" href="../../d1/d51/classrange__queries_1_1heavy__light__decomposition_1_1_tree.html#aa339c31ec74cd86a4842a8b09653d460">dfs_size</a>(v, u);</div>
<div class="line"><a id="l00105" name="l00105"></a><span class="lineno"> 105</span> <a class="code hl_variable" href="../../d1/d51/classrange__queries_1_1heavy__light__decomposition_1_1_tree.html#ada1494fccbc7f1f07b2f9be9f7e07ad5">t_size</a>[u] += <a class="code hl_variable" href="../../d1/d51/classrange__queries_1_1heavy__light__decomposition_1_1_tree.html#ada1494fccbc7f1f07b2f9be9f7e07ad5">t_size</a>[v];</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> }</div>
<div class="line"><a id="l00108" name="l00108"></a><span class="lineno"> 108</span> }</div>
<div class="ttc" id="aclassrange__queries_1_1heavy__light__decomposition_1_1_tree_html_aa339c31ec74cd86a4842a8b09653d460"><div class="ttname"><a href="../../d1/d51/classrange__queries_1_1heavy__light__decomposition_1_1_tree.html#aa339c31ec74cd86a4842a8b09653d460">range_queries::heavy_light_decomposition::Tree::dfs_size</a></div><div class="ttdeci">void dfs_size(int u, int p=-1)</div><div class="ttdoc">Utility function to compute sub-tree sizes.</div><div class="ttdef"><b>Definition:</b> heavy_light_decomposition.cpp:101</div></div>
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<h2 class="memtitle"><span class="permalink"><a href="#ad22d760a5a33545a70e7ea5e1786c8dc">&#9670;&nbsp;</a></span>init()</h2>
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@@ -519,21 +507,21 @@ template&lt;typename X &gt; </div>
<p>This function must be called after the tree adjacency list and node values are populated The function initializes the required parameters, and populates the segment tree. </p>
<dl class="section return"><dt>Returns</dt><dd>void </dd></dl>
<div class="fragment"><div class="line"><a name="l00186"></a><span class="lineno"> 186</span>&#160; {</div>
<div class="line"><a name="l00187"></a><span class="lineno"> 187</span>&#160; assert(<a class="code" href="../../d1/d51/classrange__queries_1_1heavy__light__decomposition_1_1_tree.html#ae4630fa70a80a1dc65a875488a67178a">t_nodes</a> &gt; 0);</div>
<div class="line"><a name="l00188"></a><span class="lineno"> 188</span>&#160; <a class="code" href="../../d1/d51/classrange__queries_1_1heavy__light__decomposition_1_1_tree.html#aa339c31ec74cd86a4842a8b09653d460">dfs_size</a>(<a class="code" href="../../d1/d51/classrange__queries_1_1heavy__light__decomposition_1_1_tree.html#aa6c37e840355b9fb2105181c578694e8">t_root</a>);</div>
<div class="line"><a name="l00189"></a><span class="lineno"> 189</span>&#160; <a class="code" href="../../d1/d51/classrange__queries_1_1heavy__light__decomposition_1_1_tree.html#ae8de7aefcb6635d3dacdd174cd4890c4">dfs_lca</a>(<a class="code" href="../../d1/d51/classrange__queries_1_1heavy__light__decomposition_1_1_tree.html#aa6c37e840355b9fb2105181c578694e8">t_root</a>);</div>
<div class="line"><a name="l00190"></a><span class="lineno"> 190</span>&#160; }</div>
<div class="fragment"><div class="line"><a id="l00186" name="l00186"></a><span class="lineno"> 186</span> {</div>
<div class="line"><a id="l00187" name="l00187"></a><span class="lineno"> 187</span> assert(<a class="code hl_variable" href="../../d1/d51/classrange__queries_1_1heavy__light__decomposition_1_1_tree.html#ae4630fa70a80a1dc65a875488a67178a">t_nodes</a> &gt; 0);</div>
<div class="line"><a id="l00188" name="l00188"></a><span class="lineno"> 188</span> <a class="code hl_function" href="../../d1/d51/classrange__queries_1_1heavy__light__decomposition_1_1_tree.html#aa339c31ec74cd86a4842a8b09653d460">dfs_size</a>(<a class="code hl_variable" href="../../d1/d51/classrange__queries_1_1heavy__light__decomposition_1_1_tree.html#aa6c37e840355b9fb2105181c578694e8">t_root</a>);</div>
<div class="line"><a id="l00189" name="l00189"></a><span class="lineno"> 189</span> <a class="code hl_function" href="../../d1/d51/classrange__queries_1_1heavy__light__decomposition_1_1_tree.html#ae8de7aefcb6635d3dacdd174cd4890c4">dfs_lca</a>(<a class="code hl_variable" href="../../d1/d51/classrange__queries_1_1heavy__light__decomposition_1_1_tree.html#aa6c37e840355b9fb2105181c578694e8">t_root</a>);</div>
<div class="line"><a id="l00190" name="l00190"></a><span class="lineno"> 190</span> }</div>
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<h2 class="memtitle"><span class="permalink"><a href="#a8f7bca1746d40f21ad832fcea59aa6c6">&#9670;&nbsp;</a></span>kth_ancestor()</h2>
<div class="memitem">
@@ -578,10 +566,10 @@ template&lt;typename X &gt; </div>
</dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>the kth ancestor of node </dd></dl>
<div class="fragment"><div class="line"><a name="l00218"></a><span class="lineno"> 218</span>&#160; {</div>
<div class="line"><a name="l00219"></a><span class="lineno"> 219</span>&#160; <a class="code" href="../../d1/d51/classrange__queries_1_1heavy__light__decomposition_1_1_tree.html#ac7761255f2ba06b398b9aae5e4dce5f3">lift</a>(&amp;p, dist);</div>
<div class="line"><a name="l00220"></a><span class="lineno"> 220</span>&#160; <span class="keywordflow">return</span> p;</div>
<div class="line"><a name="l00221"></a><span class="lineno"> 221</span>&#160; }</div>
<div class="fragment"><div class="line"><a id="l00218" name="l00218"></a><span class="lineno"> 218</span> {</div>
<div class="line"><a id="l00219" name="l00219"></a><span class="lineno"> 219</span> <a class="code hl_function" href="../../d1/d51/classrange__queries_1_1heavy__light__decomposition_1_1_tree.html#ac7761255f2ba06b398b9aae5e4dce5f3">lift</a>(&amp;p, dist);</div>
<div class="line"><a id="l00220" name="l00220"></a><span class="lineno"> 220</span> <span class="keywordflow">return</span> p;</div>
<div class="line"><a id="l00221" name="l00221"></a><span class="lineno"> 221</span> }</div>
<div class="ttc" id="aclassrange__queries_1_1heavy__light__decomposition_1_1_tree_html_ac7761255f2ba06b398b9aae5e4dce5f3"><div class="ttname"><a href="../../d1/d51/classrange__queries_1_1heavy__light__decomposition_1_1_tree.html#ac7761255f2ba06b398b9aae5e4dce5f3">range_queries::heavy_light_decomposition::Tree::lift</a></div><div class="ttdeci">void lift(int *const p, int dist)</div><div class="ttdoc">The function lifts a node, k units up the tree. The lifting is done in place, and the result is store...</div><div class="ttdef"><b>Definition:</b> heavy_light_decomposition.cpp:200</div></div>
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@@ -592,7 +580,7 @@ Here is the call graph for this function:</div>
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<h2 class="memtitle"><span class="permalink"><a href="#ae2b407e64aaf9878fbee7ee6efe9c7d4">&#9670;&nbsp;</a></span>lca()</h2>
<div class="memitem">
@@ -637,25 +625,25 @@ template&lt;typename X &gt; </div>
</dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>the least common ancestor of node a, and node b </dd></dl>
<div class="fragment"><div class="line"><a name="l00229"></a><span class="lineno"> 229</span>&#160; {</div>
<div class="line"><a name="l00230"></a><span class="lineno"> 230</span>&#160; assert(a &gt;= 0 and b &gt;= 0 and a &lt; <a class="code" href="../../d1/d51/classrange__queries_1_1heavy__light__decomposition_1_1_tree.html#ae4630fa70a80a1dc65a875488a67178a">t_nodes</a> and b &lt; <a class="code" href="../../d1/d51/classrange__queries_1_1heavy__light__decomposition_1_1_tree.html#ae4630fa70a80a1dc65a875488a67178a">t_nodes</a>);</div>
<div class="line"><a name="l00231"></a><span class="lineno"> 231</span>&#160; <span class="keywordflow">if</span> (<a class="code" href="../../d1/d51/classrange__queries_1_1heavy__light__decomposition_1_1_tree.html#a0efd0b9c564092f443ca97030d866ef1">t_depth</a>[a] &gt; <a class="code" href="../../d1/d51/classrange__queries_1_1heavy__light__decomposition_1_1_tree.html#a0efd0b9c564092f443ca97030d866ef1">t_depth</a>[b]) {</div>
<div class="line"><a name="l00232"></a><span class="lineno"> 232</span>&#160; <a class="code" href="../../d1/d51/classrange__queries_1_1heavy__light__decomposition_1_1_tree.html#ac7761255f2ba06b398b9aae5e4dce5f3">lift</a>(&amp;a, <a class="code" href="../../d1/d51/classrange__queries_1_1heavy__light__decomposition_1_1_tree.html#a0efd0b9c564092f443ca97030d866ef1">t_depth</a>[a] - <a class="code" href="../../d1/d51/classrange__queries_1_1heavy__light__decomposition_1_1_tree.html#a0efd0b9c564092f443ca97030d866ef1">t_depth</a>[b]);</div>
<div class="line"><a name="l00233"></a><span class="lineno"> 233</span>&#160; }</div>
<div class="line"><a name="l00234"></a><span class="lineno"> 234</span>&#160; <span class="keywordflow">if</span> (<a class="code" href="../../d1/d51/classrange__queries_1_1heavy__light__decomposition_1_1_tree.html#a0efd0b9c564092f443ca97030d866ef1">t_depth</a>[b] &gt; <a class="code" href="../../d1/d51/classrange__queries_1_1heavy__light__decomposition_1_1_tree.html#a0efd0b9c564092f443ca97030d866ef1">t_depth</a>[a]) {</div>
<div class="line"><a name="l00235"></a><span class="lineno"> 235</span>&#160; <a class="code" href="../../d1/d51/classrange__queries_1_1heavy__light__decomposition_1_1_tree.html#ac7761255f2ba06b398b9aae5e4dce5f3">lift</a>(&amp;b, <a class="code" href="../../d1/d51/classrange__queries_1_1heavy__light__decomposition_1_1_tree.html#a0efd0b9c564092f443ca97030d866ef1">t_depth</a>[b] - <a class="code" href="../../d1/d51/classrange__queries_1_1heavy__light__decomposition_1_1_tree.html#a0efd0b9c564092f443ca97030d866ef1">t_depth</a>[a]);</div>
<div class="line"><a name="l00236"></a><span class="lineno"> 236</span>&#160; }</div>
<div class="line"><a name="l00237"></a><span class="lineno"> 237</span>&#160; <span class="keywordflow">if</span> (a == b) {</div>
<div class="line"><a name="l00238"></a><span class="lineno"> 238</span>&#160; <span class="keywordflow">return</span> a;</div>
<div class="line"><a name="l00239"></a><span class="lineno"> 239</span>&#160; }</div>
<div class="line"><a name="l00240"></a><span class="lineno"> 240</span>&#160; <span class="keywordflow">for</span> (<span class="keywordtype">int</span> k = <a class="code" href="../../d1/d51/classrange__queries_1_1heavy__light__decomposition_1_1_tree.html#ab2ab020f798d00be2613ecf63074b7c1">t_maxlift</a> - 1; k &gt;= 0; k--) {</div>
<div class="line"><a name="l00241"></a><span class="lineno"> 241</span>&#160; <span class="keywordflow">if</span> (<a class="code" href="../../d1/d51/classrange__queries_1_1heavy__light__decomposition_1_1_tree.html#a350157a5fb79f76fceae33fc84171203">t_par</a>[a][k] != <a class="code" href="../../d1/d51/classrange__queries_1_1heavy__light__decomposition_1_1_tree.html#a350157a5fb79f76fceae33fc84171203">t_par</a>[b][k]) {</div>
<div class="line"><a name="l00242"></a><span class="lineno"> 242</span>&#160; a = <a class="code" href="../../d1/d51/classrange__queries_1_1heavy__light__decomposition_1_1_tree.html#a350157a5fb79f76fceae33fc84171203">t_par</a>[a][k];</div>
<div class="line"><a name="l00243"></a><span class="lineno"> 243</span>&#160; b = <a class="code" href="../../d1/d51/classrange__queries_1_1heavy__light__decomposition_1_1_tree.html#a350157a5fb79f76fceae33fc84171203">t_par</a>[b][k];</div>
<div class="line"><a name="l00244"></a><span class="lineno"> 244</span>&#160; }</div>
<div class="line"><a name="l00245"></a><span class="lineno"> 245</span>&#160; }</div>
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<div class="line"><a id="l00233" name="l00233"></a><span class="lineno"> 233</span> }</div>
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<a id="ac7761255f2ba06b398b9aae5e4dce5f3"></a>
<a id="ac7761255f2ba06b398b9aae5e4dce5f3" name="ac7761255f2ba06b398b9aae5e4dce5f3"></a>
<h2 class="memtitle"><span class="permalink"><a href="#ac7761255f2ba06b398b9aae5e4dce5f3">&#9670;&nbsp;</a></span>lift()</h2>
<div class="memitem">
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</dd>
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<h2 class="memtitle"><span class="permalink"><a href="#a04cd96efaba147b19d3afc769b90ff70">&#9670;&nbsp;</a></span>set_node_val()</h2>
<div class="memitem">
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