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<div class="headertitle"><div class="title">data_structures::SegmentTree&lt; T &gt; Class Template Reference</div></div>
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<p>class representation of the segment tree
<a href="#details">More...</a></p>
<table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 id="header-pub-methods" class="groupheader"><a id="pub-methods" name="pub-methods"></a>
Public Member Functions</h2></td></tr>
<tr class="memitem:a330724f79c5d1bdb745c29474ff3eac2" id="r_a330724f79c5d1bdb745c29474ff3eac2"><td class="memItemLeft" align="right" valign="top">&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="#a330724f79c5d1bdb745c29474ff3eac2">SegmentTree</a> (int n)</td></tr>
<tr class="memitem:ad0e78179ab979ae2bc4304bdc181db17" id="r_ad0e78179ab979ae2bc4304bdc181db17"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="#ad0e78179ab979ae2bc4304bdc181db17">update</a> (int pos, T val)</td></tr>
<tr class="memdesc:ad0e78179ab979ae2bc4304bdc181db17"><td class="mdescLeft">&#160;</td><td class="mdescRight">Updates a value at a certain position. <br /></td></tr>
<tr class="memitem:a1c5331b509d9b55bedfadf979b30dd5b" id="r_a1c5331b509d9b55bedfadf979b30dd5b"><td class="memItemLeft" align="right" valign="top">T&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="#a1c5331b509d9b55bedfadf979b30dd5b">range_comb</a> (int l, int r)</td></tr>
<tr class="memdesc:a1c5331b509d9b55bedfadf979b30dd5b"><td class="mdescLeft">&#160;</td><td class="mdescRight">Returns comb across all values between l and r. <br /></td></tr>
</table><table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 id="header-pri-methods" class="groupheader"><a id="pri-methods" name="pri-methods"></a>
Private Member Functions</h2></td></tr>
<tr class="memitem:a8d22286b7be3dcbb701ac5c7d9c79841" id="r_a8d22286b7be3dcbb701ac5c7d9c79841"><td class="memItemLeft" align="right" valign="top">T&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="#a8d22286b7be3dcbb701ac5c7d9c79841">comb</a> (T x, T y)</td></tr>
<tr class="memdesc:a8d22286b7be3dcbb701ac5c7d9c79841"><td class="mdescLeft">&#160;</td><td class="mdescRight">Any associative function that combines x and y. <br /></td></tr>
<tr class="memitem:a6d3beccc936af2377c8eeb17067fd141" id="r_a6d3beccc936af2377c8eeb17067fd141"><td class="memItemLeft" align="right" valign="top">int&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="#a6d3beccc936af2377c8eeb17067fd141">mid</a> (int l, int r)</td></tr>
<tr class="memdesc:a6d3beccc936af2377c8eeb17067fd141"><td class="mdescLeft">&#160;</td><td class="mdescRight">Gives the midpoint between two integers. <br /></td></tr>
<tr class="memitem:a2a04f1832c5ce86def50c3021b2ab6b1" id="r_a2a04f1832c5ce86def50c3021b2ab6b1"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="#a2a04f1832c5ce86def50c3021b2ab6b1">update</a> (int i, int l, int r, int pos, T val)</td></tr>
<tr class="memdesc:a2a04f1832c5ce86def50c3021b2ab6b1"><td class="mdescLeft">&#160;</td><td class="mdescRight">Helper method for update method below. <br /></td></tr>
<tr class="memitem:a8fecc48e8e3f6f5f6e728495a4282e52" id="r_a8fecc48e8e3f6f5f6e728495a4282e52"><td class="memItemLeft" align="right" valign="top">T&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="#a8fecc48e8e3f6f5f6e728495a4282e52">range_comb</a> (int i, int l, int r, int tl, int tr)</td></tr>
<tr class="memdesc:a8fecc48e8e3f6f5f6e728495a4282e52"><td class="mdescLeft">&#160;</td><td class="mdescRight">Helper method for range_comb method below. <br /></td></tr>
</table><table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 id="header-pri-attribs" class="groupheader"><a id="pri-attribs" name="pri-attribs"></a>
Private Attributes</h2></td></tr>
<tr class="memitem:a10ffa5fc03c66170f0bc2592b843baa3" id="r_a10ffa5fc03c66170f0bc2592b843baa3"><td class="memItemLeft" align="right" valign="top">const T&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="#a10ffa5fc03c66170f0bc2592b843baa3">ID</a> = 0</td></tr>
<tr class="memdesc:a10ffa5fc03c66170f0bc2592b843baa3"><td class="mdescLeft">&#160;</td><td class="mdescRight">Comb(ID, x) = x. <br /></td></tr>
<tr class="memitem:a735d072a603f3abb7c03818440575258" id="r_a735d072a603f3abb7c03818440575258"><td class="memItemLeft" align="right" valign="top">std::vector&lt; T &gt;&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="#a735d072a603f3abb7c03818440575258">t</a></td></tr>
<tr class="memdesc:a735d072a603f3abb7c03818440575258"><td class="mdescLeft">&#160;</td><td class="mdescRight">Vector to represent the tree. <br /></td></tr>
<tr class="memitem:a167fd91b68048e49e97859a8947690f3" id="r_a167fd91b68048e49e97859a8947690f3"><td class="memItemLeft" align="right" valign="top">int&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="#a167fd91b68048e49e97859a8947690f3">size</a> = 0</td></tr>
<tr class="memdesc:a167fd91b68048e49e97859a8947690f3"><td class="mdescLeft">&#160;</td><td class="mdescRight">Number of elements available for querying in the tree. <br /></td></tr>
</table>
<a name="details" id="details"></a><h2 id="header-details" class="groupheader">Detailed Description</h2>
<div class="textblock"><div class="compoundTemplParams">template&lt;class T&gt;<br />
class data_structures::SegmentTree&lt; T &gt;</div><p>class representation of the segment tree </p>
<dl class="tparams"><dt>Template Parameters</dt><dd>
<table class="tparams">
<tr><td class="paramname">T</td><td>The type of the class that goes in the datastructure </td></tr>
</table>
</dd>
</dl>
<p class="definition">Definition at line <a class="el" href="../../de/dd1/segment__tree_8cpp_source.html#l00030">30</a> of file <a class="el" href="../../de/dd1/segment__tree_8cpp_source.html">segment_tree.cpp</a>.</p>
</div><a name="doc-constructors" id="doc-constructors"></a><h2 id="header-doc-constructors" class="groupheader">Constructor &amp; Destructor Documentation</h2>
<a id="a330724f79c5d1bdb745c29474ff3eac2" name="a330724f79c5d1bdb745c29474ff3eac2"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a330724f79c5d1bdb745c29474ff3eac2">&#9670;&#160;</a></span>SegmentTree()</h2>
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<div class="memtemplate">
template&lt;class T&gt; </div>
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<td class="memname"><a class="el" href="../../dd/d95/classdata__structures_1_1_segment_tree.html">data_structures::SegmentTree</a>&lt; T &gt;::SegmentTree </td>
<td>(</td>
<td class="paramtype">int</td> <td class="paramname"><span class="paramname"><em>n</em></span></td><td>)</td>
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<p class="definition">Definition at line <a class="el" href="../../de/dd1/segment__tree_8cpp_source.html#l00087">87</a> of file <a class="el" href="../../de/dd1/segment__tree_8cpp_source.html">segment_tree.cpp</a>.</p>
<div class="fragment"><div class="line"><span class="lineno"> 87</span>: <a class="code hl_variable" href="#a735d072a603f3abb7c03818440575258">t</a>(<a class="code hl_class" href="../../dd/d95/classdata__structures_1_1_segment_tree.html">n</a> * 4, <a class="code hl_variable" href="#a10ffa5fc03c66170f0bc2592b843baa3">ID</a>), <a class="code hl_variable" href="#a167fd91b68048e49e97859a8947690f3">size</a>(<a class="code hl_class" href="../../dd/d95/classdata__structures_1_1_segment_tree.html">n</a>) {}</div>
<div class="ttc" id="aclassdata__structures_1_1_segment_tree_html"><div class="ttname"><a href="../../dd/d95/classdata__structures_1_1_segment_tree.html">data_structures::SegmentTree</a></div><div class="ttdoc">class representation of the segment tree</div><div class="ttdef"><b>Definition</b> <a href="../../de/dd1/segment__tree_8cpp_source.html#l00030">segment_tree.cpp:30</a></div></div>
<div class="ttc" id="aclassdata__structures_1_1_segment_tree_html_a10ffa5fc03c66170f0bc2592b843baa3"><div class="ttname"><a href="#a10ffa5fc03c66170f0bc2592b843baa3">data_structures::SegmentTree::ID</a></div><div class="ttdeci">const T ID</div><div class="ttdoc">Comb(ID, x) = x.</div><div class="ttdef"><b>Definition</b> <a href="../../de/dd1/segment__tree_8cpp_source.html#l00032">segment_tree.cpp:32</a></div></div>
<div class="ttc" id="aclassdata__structures_1_1_segment_tree_html_a167fd91b68048e49e97859a8947690f3"><div class="ttname"><a href="#a167fd91b68048e49e97859a8947690f3">data_structures::SegmentTree::size</a></div><div class="ttdeci">int size</div><div class="ttdoc">Number of elements available for querying in the tree.</div><div class="ttdef"><b>Definition</b> <a href="../../de/dd1/segment__tree_8cpp_source.html#l00034">segment_tree.cpp:34</a></div></div>
<div class="ttc" id="aclassdata__structures_1_1_segment_tree_html_a735d072a603f3abb7c03818440575258"><div class="ttname"><a href="#a735d072a603f3abb7c03818440575258">data_structures::SegmentTree::t</a></div><div class="ttdeci">std::vector&lt; T &gt; t</div><div class="ttdoc">Vector to represent the tree.</div><div class="ttdef"><b>Definition</b> <a href="../../de/dd1/segment__tree_8cpp_source.html#l00033">segment_tree.cpp:33</a></div></div>
</div><!-- fragment -->
</div>
</div>
<a name="doc-func-members" id="doc-func-members"></a><h2 id="header-doc-func-members" class="groupheader">Member Function Documentation</h2>
<a id="a8d22286b7be3dcbb701ac5c7d9c79841" name="a8d22286b7be3dcbb701ac5c7d9c79841"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a8d22286b7be3dcbb701ac5c7d9c79841">&#9670;&#160;</a></span>comb()</h2>
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template&lt;class T&gt; </div>
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<td class="memname">T <a class="el" href="../../dd/d95/classdata__structures_1_1_segment_tree.html">data_structures::SegmentTree</a>&lt; T &gt;::comb </td>
<td>(</td>
<td class="paramtype">T</td> <td class="paramname"><span class="paramname"><em>x</em></span>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">T</td> <td class="paramname"><span class="paramname"><em>y</em></span>&#160;)</td>
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<span class="mlabels"><span class="mlabel inline">inline</span><span class="mlabel private">private</span></span> </td>
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<p>Any associative function that combines x and y. </p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">x</td><td>The first operand </td></tr>
<tr><td class="paramname">y</td><td>The second operand </td></tr>
</table>
</dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>Some associative operation applied to these two values. In this case, I used addition </dd></dl>
<p class="definition">Definition at line <a class="el" href="../../de/dd1/segment__tree_8cpp_source.html#l00042">42</a> of file <a class="el" href="../../de/dd1/segment__tree_8cpp_source.html">segment_tree.cpp</a>.</p>
<div class="fragment"><div class="line"><span class="lineno"> 42</span> {</div>
<div class="line"><span class="lineno"> 43</span> <span class="keywordflow">return</span> <a class="code hl_class" href="../../dd/d95/classdata__structures_1_1_segment_tree.html">x</a> + <a class="code hl_class" href="../../dd/d95/classdata__structures_1_1_segment_tree.html">y</a>;</div>
<div class="line"><span class="lineno"> 44</span> }</div>
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<a id="a6d3beccc936af2377c8eeb17067fd141" name="a6d3beccc936af2377c8eeb17067fd141"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a6d3beccc936af2377c8eeb17067fd141">&#9670;&#160;</a></span>mid()</h2>
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<td class="memname">int <a class="el" href="../../dd/d95/classdata__structures_1_1_segment_tree.html">data_structures::SegmentTree</a>&lt; T &gt;::mid </td>
<td>(</td>
<td class="paramtype">int</td> <td class="paramname"><span class="paramname"><em>l</em></span>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">int</td> <td class="paramname"><span class="paramname"><em>r</em></span>&#160;)</td>
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</td>
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<span class="mlabels"><span class="mlabel inline">inline</span><span class="mlabel private">private</span></span> </td>
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<p>Gives the midpoint between two integers. </p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">l</td><td>The left endpoint </td></tr>
<tr><td class="paramname">r</td><td>The right endpoint </td></tr>
</table>
</dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>the middle point between them </dd></dl>
<p class="definition">Definition at line <a class="el" href="../../de/dd1/segment__tree_8cpp_source.html#l00051">51</a> of file <a class="el" href="../../de/dd1/segment__tree_8cpp_source.html">segment_tree.cpp</a>.</p>
<div class="fragment"><div class="line"><span class="lineno"> 51</span> {</div>
<div class="line"><span class="lineno"> 52</span> <span class="keywordflow">return</span> <a class="code hl_class" href="../../dd/d95/classdata__structures_1_1_segment_tree.html">l</a> + (<a class="code hl_class" href="../../dd/d95/classdata__structures_1_1_segment_tree.html">r</a> - <a class="code hl_class" href="../../dd/d95/classdata__structures_1_1_segment_tree.html">l</a>) / 2;</div>
<div class="line"><span class="lineno"> 53</span> }</div>
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<a id="a8fecc48e8e3f6f5f6e728495a4282e52" name="a8fecc48e8e3f6f5f6e728495a4282e52"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a8fecc48e8e3f6f5f6e728495a4282e52">&#9670;&#160;</a></span>range_comb() <span class="overload">[1/2]</span></h2>
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<td class="memname">T <a class="el" href="../../dd/d95/classdata__structures_1_1_segment_tree.html">data_structures::SegmentTree</a>&lt; T &gt;::range_comb </td>
<td>(</td>
<td class="paramtype">int</td> <td class="paramname"><span class="paramname"><em>i</em></span>, </td>
</tr>
<tr>
<td class="paramkey"></td>
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<td class="paramtype">int</td> <td class="paramname"><span class="paramname"><em>tr</em></span>&#160;)</td>
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<p>Helper method for range_comb method below. </p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">i</td><td>The current node </td></tr>
<tr><td class="paramname">l</td><td>The leftmost node of the current node </td></tr>
<tr><td class="paramname">r</td><td>The rightmost node of the current node </td></tr>
<tr><td class="paramname">tl</td><td>The left endpoint of the range </td></tr>
<tr><td class="paramname">tr</td><td>The right endpoint of the range </td></tr>
</table>
</dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>The comb operation applied to all values between tl and tr </dd></dl>
<p class="definition">Definition at line <a class="el" href="../../de/dd1/segment__tree_8cpp_source.html#l00080">80</a> of file <a class="el" href="../../de/dd1/segment__tree_8cpp_source.html">segment_tree.cpp</a>.</p>
<div class="fragment"><div class="line"><span class="lineno"> 80</span> {</div>
<div class="line"><span class="lineno"> 81</span> <span class="keywordflow">if</span>(<a class="code hl_class" href="../../dd/d95/classdata__structures_1_1_segment_tree.html">l</a> == <a class="code hl_class" href="../../dd/d95/classdata__structures_1_1_segment_tree.html">tl</a> &amp;&amp; <a class="code hl_class" href="../../dd/d95/classdata__structures_1_1_segment_tree.html">r</a> == <a class="code hl_class" href="../../dd/d95/classdata__structures_1_1_segment_tree.html">tr</a>) <span class="keywordflow">return</span> <a class="code hl_variable" href="#a735d072a603f3abb7c03818440575258">t</a>[<a class="code hl_class" href="../../dd/d95/classdata__structures_1_1_segment_tree.html">i</a>];</div>
<div class="line"><span class="lineno"> 82</span> <span class="keywordflow">if</span>(<a class="code hl_class" href="../../dd/d95/classdata__structures_1_1_segment_tree.html">tl</a> &gt; <a class="code hl_class" href="../../dd/d95/classdata__structures_1_1_segment_tree.html">tr</a>) <span class="keywordflow">return</span> 0;</div>
<div class="line"><span class="lineno"> 83</span> <span class="keywordtype">int</span> <a class="code hl_class" href="../../dd/d95/classdata__structures_1_1_segment_tree.html">m</a> = <a class="code hl_function" href="#a6d3beccc936af2377c8eeb17067fd141">mid</a>(<a class="code hl_class" href="../../dd/d95/classdata__structures_1_1_segment_tree.html">l</a>, <a class="code hl_class" href="../../dd/d95/classdata__structures_1_1_segment_tree.html">r</a>);</div>
<div class="line"><span class="lineno"> 84</span> <span class="keywordflow">return</span> <a class="code hl_function" href="#a8d22286b7be3dcbb701ac5c7d9c79841">comb</a>(<a class="code hl_function" href="#a8fecc48e8e3f6f5f6e728495a4282e52">range_comb</a>(<a class="code hl_class" href="../../dd/d95/classdata__structures_1_1_segment_tree.html">i</a> * 2, <a class="code hl_class" href="../../dd/d95/classdata__structures_1_1_segment_tree.html">l</a>, <a class="code hl_class" href="../../dd/d95/classdata__structures_1_1_segment_tree.html">m</a>, <a class="code hl_class" href="../../dd/d95/classdata__structures_1_1_segment_tree.html">tl</a>, <a class="code hl_class" href="../../dd/d95/classdata__structures_1_1_segment_tree.html">std::min</a>(<a class="code hl_class" href="../../dd/d95/classdata__structures_1_1_segment_tree.html">tr</a>, <a class="code hl_class" href="../../dd/d95/classdata__structures_1_1_segment_tree.html">m</a>)), <a class="code hl_function" href="#a8fecc48e8e3f6f5f6e728495a4282e52">range_comb</a>(<a class="code hl_class" href="../../dd/d95/classdata__structures_1_1_segment_tree.html">i</a> * 2 + 1, <a class="code hl_class" href="../../dd/d95/classdata__structures_1_1_segment_tree.html">m</a> + 1, <a class="code hl_class" href="../../dd/d95/classdata__structures_1_1_segment_tree.html">r</a>, <a class="code hl_class" href="../../dd/d95/classdata__structures_1_1_segment_tree.html">std::max</a>(<a class="code hl_class" href="../../dd/d95/classdata__structures_1_1_segment_tree.html">tl</a>, <a class="code hl_class" href="../../dd/d95/classdata__structures_1_1_segment_tree.html">m</a> + 1), <a class="code hl_class" href="../../dd/d95/classdata__structures_1_1_segment_tree.html">tr</a>));</div>
<div class="line"><span class="lineno"> 85</span> }</div>
<div class="ttc" id="aclassdata__structures_1_1_segment_tree_html_a6d3beccc936af2377c8eeb17067fd141"><div class="ttname"><a href="#a6d3beccc936af2377c8eeb17067fd141">data_structures::SegmentTree::mid</a></div><div class="ttdeci">int mid(int l, int r)</div><div class="ttdoc">Gives the midpoint between two integers.</div><div class="ttdef"><b>Definition</b> <a href="../../de/dd1/segment__tree_8cpp_source.html#l00051">segment_tree.cpp:51</a></div></div>
<div class="ttc" id="aclassdata__structures_1_1_segment_tree_html_a8d22286b7be3dcbb701ac5c7d9c79841"><div class="ttname"><a href="#a8d22286b7be3dcbb701ac5c7d9c79841">data_structures::SegmentTree::comb</a></div><div class="ttdeci">T comb(T x, T y)</div><div class="ttdoc">Any associative function that combines x and y.</div><div class="ttdef"><b>Definition</b> <a href="../../de/dd1/segment__tree_8cpp_source.html#l00042">segment_tree.cpp:42</a></div></div>
<div class="ttc" id="aclassdata__structures_1_1_segment_tree_html_a8fecc48e8e3f6f5f6e728495a4282e52"><div class="ttname"><a href="#a8fecc48e8e3f6f5f6e728495a4282e52">data_structures::SegmentTree::range_comb</a></div><div class="ttdeci">T range_comb(int i, int l, int r, int tl, int tr)</div><div class="ttdoc">Helper method for range_comb method below.</div><div class="ttdef"><b>Definition</b> <a href="../../de/dd1/segment__tree_8cpp_source.html#l00080">segment_tree.cpp:80</a></div></div>
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<h2 class="memtitle"><span class="permalink"><a href="#a1c5331b509d9b55bedfadf979b30dd5b">&#9670;&#160;</a></span>range_comb() <span class="overload">[2/2]</span></h2>
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<td class="memname">T <a class="el" href="../../dd/d95/classdata__structures_1_1_segment_tree.html">data_structures::SegmentTree</a>&lt; T &gt;::range_comb </td>
<td>(</td>
<td class="paramtype">int</td> <td class="paramname"><span class="paramname"><em>l</em></span>, </td>
</tr>
<tr>
<td class="paramkey"></td>
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<td class="paramtype">int</td> <td class="paramname"><span class="paramname"><em>r</em></span>&#160;)</td>
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<p>Returns comb across all values between l and r. </p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">l</td><td>The left endpoint of the range </td></tr>
<tr><td class="paramname">r</td><td>The right endpoint of the range </td></tr>
</table>
</dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>The value of the comb operations </dd></dl>
<p class="definition">Definition at line <a class="el" href="../../de/dd1/segment__tree_8cpp_source.html#l00102">102</a> of file <a class="el" href="../../de/dd1/segment__tree_8cpp_source.html">segment_tree.cpp</a>.</p>
<div class="fragment"><div class="line"><span class="lineno"> 102</span> {</div>
<div class="line"><span class="lineno"> 103</span> <span class="keywordflow">return</span> <a class="code hl_function" href="#a8fecc48e8e3f6f5f6e728495a4282e52">range_comb</a>(1, 1, <a class="code hl_variable" href="#a167fd91b68048e49e97859a8947690f3">size</a>, <a class="code hl_class" href="../../dd/d95/classdata__structures_1_1_segment_tree.html">l</a>, <a class="code hl_class" href="../../dd/d95/classdata__structures_1_1_segment_tree.html">r</a>);</div>
<div class="line"><span class="lineno"> 104</span> }</div>
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<h2 class="memtitle"><span class="permalink"><a href="#a2a04f1832c5ce86def50c3021b2ab6b1">&#9670;&#160;</a></span>update() <span class="overload">[1/2]</span></h2>
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<td class="memname">void <a class="el" href="../../dd/d95/classdata__structures_1_1_segment_tree.html">data_structures::SegmentTree</a>&lt; T &gt;::update </td>
<td>(</td>
<td class="paramtype">int</td> <td class="paramname"><span class="paramname"><em>i</em></span>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">int</td> <td class="paramname"><span class="paramname"><em>l</em></span>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">int</td> <td class="paramname"><span class="paramname"><em>r</em></span>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">int</td> <td class="paramname"><span class="paramname"><em>pos</em></span>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">T</td> <td class="paramname"><span class="paramname"><em>val</em></span>&#160;)</td>
</tr>
</table>
</td>
<td class="mlabels-right">
<span class="mlabels"><span class="mlabel inline">inline</span><span class="mlabel private">private</span></span> </td>
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<p>Helper method for update method below. </p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">i</td><td>The index of the current node </td></tr>
<tr><td class="paramname">l</td><td>The leftmost node of the current node </td></tr>
<tr><td class="paramname">r</td><td>The rightmost node of the current node </td></tr>
<tr><td class="paramname">pos</td><td>The position to update </td></tr>
<tr><td class="paramname">val</td><td>The value to update it to </td></tr>
</table>
</dd>
</dl>
<p class="definition">Definition at line <a class="el" href="../../de/dd1/segment__tree_8cpp_source.html#l00062">62</a> of file <a class="el" href="../../de/dd1/segment__tree_8cpp_source.html">segment_tree.cpp</a>.</p>
<div class="fragment"><div class="line"><span class="lineno"> 62</span> {</div>
<div class="line"><span class="lineno"> 63</span> <span class="keywordflow">if</span>(<a class="code hl_class" href="../../dd/d95/classdata__structures_1_1_segment_tree.html">l</a> == <a class="code hl_class" href="../../dd/d95/classdata__structures_1_1_segment_tree.html">r</a>) <a class="code hl_variable" href="#a735d072a603f3abb7c03818440575258">t</a>[<a class="code hl_class" href="../../dd/d95/classdata__structures_1_1_segment_tree.html">i</a>] = <a class="code hl_class" href="../../dd/d95/classdata__structures_1_1_segment_tree.html">val</a>;</div>
<div class="line"><span class="lineno"> 64</span> <span class="keywordflow">else</span> {</div>
<div class="line"><span class="lineno"> 65</span> <span class="keywordtype">int</span> <a class="code hl_class" href="../../dd/d95/classdata__structures_1_1_segment_tree.html">m</a> = <a class="code hl_function" href="#a6d3beccc936af2377c8eeb17067fd141">mid</a>(<a class="code hl_class" href="../../dd/d95/classdata__structures_1_1_segment_tree.html">l</a>, <a class="code hl_class" href="../../dd/d95/classdata__structures_1_1_segment_tree.html">r</a>);</div>
<div class="line"><span class="lineno"> 66</span> <span class="keywordflow">if</span>(<a class="code hl_class" href="../../dd/d95/classdata__structures_1_1_segment_tree.html">pos</a> &lt;= <a class="code hl_class" href="../../dd/d95/classdata__structures_1_1_segment_tree.html">m</a>) <a class="code hl_function" href="#a2a04f1832c5ce86def50c3021b2ab6b1">update</a>(<a class="code hl_class" href="../../dd/d95/classdata__structures_1_1_segment_tree.html">i</a> * 2, <a class="code hl_class" href="../../dd/d95/classdata__structures_1_1_segment_tree.html">l</a>, <a class="code hl_class" href="../../dd/d95/classdata__structures_1_1_segment_tree.html">m</a>, <a class="code hl_class" href="../../dd/d95/classdata__structures_1_1_segment_tree.html">pos</a>, <a class="code hl_class" href="../../dd/d95/classdata__structures_1_1_segment_tree.html">val</a>);</div>
<div class="line"><span class="lineno"> 67</span> <span class="keywordflow">else</span> <a class="code hl_function" href="#a2a04f1832c5ce86def50c3021b2ab6b1">update</a>(<a class="code hl_class" href="../../dd/d95/classdata__structures_1_1_segment_tree.html">i</a> * 2 + 1, <a class="code hl_class" href="../../dd/d95/classdata__structures_1_1_segment_tree.html">m</a> + 1, <a class="code hl_class" href="../../dd/d95/classdata__structures_1_1_segment_tree.html">r</a>, <a class="code hl_class" href="../../dd/d95/classdata__structures_1_1_segment_tree.html">pos</a>, <a class="code hl_class" href="../../dd/d95/classdata__structures_1_1_segment_tree.html">val</a>);</div>
<div class="line"><span class="lineno"> 68</span> <a class="code hl_variable" href="#a735d072a603f3abb7c03818440575258">t</a>[<a class="code hl_class" href="../../dd/d95/classdata__structures_1_1_segment_tree.html">i</a>] = <a class="code hl_function" href="#a8d22286b7be3dcbb701ac5c7d9c79841">comb</a>(<a class="code hl_variable" href="#a735d072a603f3abb7c03818440575258">t</a>[<a class="code hl_class" href="../../dd/d95/classdata__structures_1_1_segment_tree.html">i</a> * 2], <a class="code hl_variable" href="#a735d072a603f3abb7c03818440575258">t</a>[<a class="code hl_class" href="../../dd/d95/classdata__structures_1_1_segment_tree.html">i</a> * 2 + 1]);</div>
<div class="line"><span class="lineno"> 69</span> }</div>
<div class="line"><span class="lineno"> 70</span> }</div>
<div class="ttc" id="aclassdata__structures_1_1_segment_tree_html_a2a04f1832c5ce86def50c3021b2ab6b1"><div class="ttname"><a href="#a2a04f1832c5ce86def50c3021b2ab6b1">data_structures::SegmentTree::update</a></div><div class="ttdeci">void update(int i, int l, int r, int pos, T val)</div><div class="ttdoc">Helper method for update method below.</div><div class="ttdef"><b>Definition</b> <a href="../../de/dd1/segment__tree_8cpp_source.html#l00062">segment_tree.cpp:62</a></div></div>
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<h2 class="memtitle"><span class="permalink"><a href="#ad0e78179ab979ae2bc4304bdc181db17">&#9670;&#160;</a></span>update() <span class="overload">[2/2]</span></h2>
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<td class="memname">void <a class="el" href="../../dd/d95/classdata__structures_1_1_segment_tree.html">data_structures::SegmentTree</a>&lt; T &gt;::update </td>
<td>(</td>
<td class="paramtype">int</td> <td class="paramname"><span class="paramname"><em>pos</em></span>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">T</td> <td class="paramname"><span class="paramname"><em>val</em></span>&#160;)</td>
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<p>Updates a value at a certain position. </p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">pos</td><td>The position to update </td></tr>
<tr><td class="paramname">val</td><td>The value to update it to </td></tr>
</table>
</dd>
</dl>
<p class="definition">Definition at line <a class="el" href="../../de/dd1/segment__tree_8cpp_source.html#l00093">93</a> of file <a class="el" href="../../de/dd1/segment__tree_8cpp_source.html">segment_tree.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_function" href="#a2a04f1832c5ce86def50c3021b2ab6b1">update</a>(1, 1, <a class="code hl_variable" href="#a167fd91b68048e49e97859a8947690f3">size</a>, <a class="code hl_class" href="../../dd/d95/classdata__structures_1_1_segment_tree.html">pos</a>, <a class="code hl_class" href="../../dd/d95/classdata__structures_1_1_segment_tree.html">val</a>);</div>
<div class="line"><span class="lineno"> 95</span> }</div>
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<a name="doc-variable-members" id="doc-variable-members"></a><h2 id="header-doc-variable-members" class="groupheader">Member Data Documentation</h2>
<a id="a10ffa5fc03c66170f0bc2592b843baa3" name="a10ffa5fc03c66170f0bc2592b843baa3"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a10ffa5fc03c66170f0bc2592b843baa3">&#9670;&#160;</a></span>ID</h2>
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<td class="memname">const T <a class="el" href="../../dd/d95/classdata__structures_1_1_segment_tree.html">data_structures::SegmentTree</a>&lt; T &gt;::ID = 0</td>
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<p>Comb(ID, x) = x. </p>
<p class="definition">Definition at line <a class="el" href="../../de/dd1/segment__tree_8cpp_source.html#l00032">32</a> of file <a class="el" href="../../de/dd1/segment__tree_8cpp_source.html">segment_tree.cpp</a>.</p>
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<a id="a167fd91b68048e49e97859a8947690f3" name="a167fd91b68048e49e97859a8947690f3"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a167fd91b68048e49e97859a8947690f3">&#9670;&#160;</a></span>size</h2>
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template&lt;class T&gt; </div>
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<td class="memname">int <a class="el" href="../../dd/d95/classdata__structures_1_1_segment_tree.html">data_structures::SegmentTree</a>&lt; T &gt;::size = 0</td>
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<span class="mlabels"><span class="mlabel private">private</span></span> </td>
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<p>Number of elements available for querying in the tree. </p>
<p class="definition">Definition at line <a class="el" href="../../de/dd1/segment__tree_8cpp_source.html#l00034">34</a> of file <a class="el" href="../../de/dd1/segment__tree_8cpp_source.html">segment_tree.cpp</a>.</p>
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<a id="a735d072a603f3abb7c03818440575258" name="a735d072a603f3abb7c03818440575258"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a735d072a603f3abb7c03818440575258">&#9670;&#160;</a></span>t</h2>
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<td class="memname">std::vector&lt;T&gt; <a class="el" href="../../dd/d95/classdata__structures_1_1_segment_tree.html">data_structures::SegmentTree</a>&lt; T &gt;::t</td>
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<p>Vector to represent the tree. </p>
<p class="definition">Definition at line <a class="el" href="../../de/dd1/segment__tree_8cpp_source.html#l00033">33</a> of file <a class="el" href="../../de/dd1/segment__tree_8cpp_source.html">segment_tree.cpp</a>.</p>
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<hr/>The documentation for this class was generated from the following file:<ul>
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