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realstealthninja
2025-05-19 11:38:33 +00:00
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@@ -4,7 +4,7 @@
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<meta name="generator" content="Doxygen 1.12.0"/>
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<title>TheAlgorithms/C++: data_structures/segment_tree.cpp Source File</title>
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@@ -60,7 +60,7 @@ window.MathJax = {
</table>
</div>
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/* @license magnet:?xt=urn:btih:d3d9a9a6595521f9666a5e94cc830dab83b65699&amp;dn=expat.txt MIT */
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@@ -124,7 +124,8 @@ $(function(){initNavTree('de/dd1/segment__tree_8cpp_source.html','../../'); init
<div class="headertitle"><div class="title">segment_tree.cpp</div></div>
</div><!--header-->
<div class="contents">
<a href="../../de/dd1/segment__tree_8cpp.html">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a id="l00001" name="l00001"></a><span class="lineno"> 1</span> </div>
<a href="../../de/dd1/segment__tree_8cpp.html">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a id="l00001" name="l00001"></a><span class="lineno"> 1</span></div>
<div class="line"><a id="l00014" name="l00014"></a><span class="lineno"> 14</span> </div>
<div class="line"><a id="l00015" name="l00015"></a><span class="lineno"> 15</span><span class="preprocessor">#include &lt;iostream&gt;</span> </div>
<div class="line"><a id="l00016" name="l00016"></a><span class="lineno"> 16</span><span class="preprocessor">#include &lt;vector&gt;</span> </div>
<div class="line"><a id="l00017" name="l00017"></a><span class="lineno"> 17</span><span class="preprocessor">#include &lt;algorithm&gt;</span> </div>
@@ -137,7 +138,7 @@ $(function(){initNavTree('de/dd1/segment__tree_8cpp_source.html','../../'); init
<div class="line"><a id="l00024" name="l00024"></a><span class="lineno"> 24</span><span class="keyword">namespace </span><a class="code hl_namespace" href="../../d5/d3c/namespacedata__structures.html">data_structures</a> {</div>
<div class="line"><a id="l00029" name="l00029"></a><span class="lineno"> 29</span><span class="keyword">template</span> &lt;<span class="keyword">class</span> T&gt;</div>
<div class="foldopen" id="foldopen00030" data-start="{" data-end="};">
<div class="line"><a id="l00030" name="l00030"></a><span class="lineno"><a class="line" href="../../dd/d95/classdata__structures_1_1_segment_tree.html"> 30</a></span><span class="keyword">class </span><a class="code hl_class" href="../../dd/d95/classdata__structures_1_1_segment_tree.html">SegmentTree</a> {</div>
<div class="line"><a id="l00030" name="l00030"></a><span class="lineno"><a class="line" href="../../dd/d95/classdata__structures_1_1_segment_tree.html"> 30</a></span><span class="keyword">class </span>SegmentTree {</div>
<div class="line"><a id="l00031" name="l00031"></a><span class="lineno"> 31</span><span class="keyword">private</span>:</div>
<div class="line"><a id="l00032" name="l00032"></a><span class="lineno"><a class="line" href="../../dd/d95/classdata__structures_1_1_segment_tree.html#a10ffa5fc03c66170f0bc2592b843baa3"> 32</a></span> <span class="keyword">const</span> T <a class="code hl_variable" href="../../dd/d95/classdata__structures_1_1_segment_tree.html#a10ffa5fc03c66170f0bc2592b843baa3">ID</a> = 0; </div>
<div class="line"><a id="l00033" name="l00033"></a><span class="lineno"><a class="line" href="../../dd/d95/classdata__structures_1_1_segment_tree.html#a735d072a603f3abb7c03818440575258"> 33</a></span> std::vector&lt;T&gt; <a class="code hl_variable" href="../../dd/d95/classdata__structures_1_1_segment_tree.html#a735d072a603f3abb7c03818440575258">t</a>; </div>
@@ -148,11 +149,13 @@ $(function(){initNavTree('de/dd1/segment__tree_8cpp_source.html','../../'); init
<div class="line"><a id="l00043" name="l00043"></a><span class="lineno"> 43</span> <span class="keywordflow">return</span> x + y;</div>
<div class="line"><a id="l00044" name="l00044"></a><span class="lineno"> 44</span> }</div>
</div>
<div class="line"><a id="l00045" name="l00045"></a><span class="lineno"> 45</span></div>
<div class="foldopen" id="foldopen00051" data-start="{" data-end="}">
<div class="line"><a id="l00051" name="l00051"></a><span class="lineno"><a class="line" href="../../dd/d95/classdata__structures_1_1_segment_tree.html#a6d3beccc936af2377c8eeb17067fd141"> 51</a></span> <span class="keywordtype">int</span> <a class="code hl_function" href="../../dd/d95/classdata__structures_1_1_segment_tree.html#a6d3beccc936af2377c8eeb17067fd141">mid</a>(<span class="keywordtype">int</span> l, <span class="keywordtype">int</span> r) {</div>
<div class="line"><a id="l00052" name="l00052"></a><span class="lineno"> 52</span> <span class="keywordflow">return</span> l + (r - l) / 2;</div>
<div class="line"><a id="l00053" name="l00053"></a><span class="lineno"> 53</span> }</div>
</div>
<div class="line"><a id="l00054" name="l00054"></a><span class="lineno"> 54</span></div>
<div class="foldopen" id="foldopen00062" data-start="{" data-end="}">
<div class="line"><a id="l00062" name="l00062"></a><span class="lineno"><a class="line" href="../../dd/d95/classdata__structures_1_1_segment_tree.html#a2a04f1832c5ce86def50c3021b2ab6b1"> 62</a></span> <span class="keywordtype">void</span> <a class="code hl_function" href="../../dd/d95/classdata__structures_1_1_segment_tree.html#a2a04f1832c5ce86def50c3021b2ab6b1">update</a>(<span class="keywordtype">int</span> i, <span class="keywordtype">int</span> l, <span class="keywordtype">int</span> r, <span class="keywordtype">int</span> pos, T val) {</div>
<div class="line"><a id="l00063" name="l00063"></a><span class="lineno"> 63</span> <span class="keywordflow">if</span>(l == r) <a class="code hl_variable" href="../../dd/d95/classdata__structures_1_1_segment_tree.html#a735d072a603f3abb7c03818440575258">t</a>[i] = val;</div>
@@ -164,6 +167,7 @@ $(function(){initNavTree('de/dd1/segment__tree_8cpp_source.html','../../'); init
<div class="line"><a id="l00069" name="l00069"></a><span class="lineno"> 69</span> }</div>
<div class="line"><a id="l00070" name="l00070"></a><span class="lineno"> 70</span> }</div>
</div>
<div class="line"><a id="l00071" name="l00071"></a><span class="lineno"> 71</span></div>
<div class="foldopen" id="foldopen00080" data-start="{" data-end="}">
<div class="line"><a id="l00080" name="l00080"></a><span class="lineno"><a class="line" href="../../dd/d95/classdata__structures_1_1_segment_tree.html#a8fecc48e8e3f6f5f6e728495a4282e52"> 80</a></span> T <a class="code hl_function" href="../../dd/d95/classdata__structures_1_1_segment_tree.html#a8fecc48e8e3f6f5f6e728495a4282e52">range_comb</a>(<span class="keywordtype">int</span> i, <span class="keywordtype">int</span> l, <span class="keywordtype">int</span> r, <span class="keywordtype">int</span> tl, <span class="keywordtype">int</span> tr) {</div>
<div class="line"><a id="l00081" name="l00081"></a><span class="lineno"> 81</span> <span class="keywordflow">if</span>(l == tl &amp;&amp; r == tr) <span class="keywordflow">return</span> <a class="code hl_variable" href="../../dd/d95/classdata__structures_1_1_segment_tree.html#a735d072a603f3abb7c03818440575258">t</a>[i];</div>
@@ -179,6 +183,7 @@ $(function(){initNavTree('de/dd1/segment__tree_8cpp_source.html','../../'); init
<div class="line"><a id="l00094" name="l00094"></a><span class="lineno"> 94</span> <a class="code hl_function" href="../../dd/d95/classdata__structures_1_1_segment_tree.html#a2a04f1832c5ce86def50c3021b2ab6b1">update</a>(1, 1, <a class="code hl_variable" href="../../dd/d95/classdata__structures_1_1_segment_tree.html#a167fd91b68048e49e97859a8947690f3">size</a>, pos, val);</div>
<div class="line"><a id="l00095" name="l00095"></a><span class="lineno"> 95</span> }</div>
</div>
<div class="line"><a id="l00096" name="l00096"></a><span class="lineno"> 96</span></div>
<div class="foldopen" id="foldopen00102" data-start="{" data-end="}">
<div class="line"><a id="l00102" name="l00102"></a><span class="lineno"><a class="line" href="../../dd/d95/classdata__structures_1_1_segment_tree.html#a1c5331b509d9b55bedfadf979b30dd5b"> 102</a></span> T <a class="code hl_function" href="../../dd/d95/classdata__structures_1_1_segment_tree.html#a1c5331b509d9b55bedfadf979b30dd5b">range_comb</a>(<span class="keywordtype">int</span> l, <span class="keywordtype">int</span> r) {</div>
<div class="line"><a id="l00103" name="l00103"></a><span class="lineno"> 103</span> <span class="keywordflow">return</span> <a class="code hl_function" href="../../dd/d95/classdata__structures_1_1_segment_tree.html#a8fecc48e8e3f6f5f6e728495a4282e52">range_comb</a>(1, 1, <a class="code hl_variable" href="../../dd/d95/classdata__structures_1_1_segment_tree.html#a167fd91b68048e49e97859a8947690f3">size</a>, l, r);</div>
@@ -187,7 +192,7 @@ $(function(){initNavTree('de/dd1/segment__tree_8cpp_source.html','../../'); init
<div class="line"><a id="l00105" name="l00105"></a><span class="lineno"> 105</span>};</div>
</div>
<div class="line"><a id="l00106" name="l00106"></a><span class="lineno"> 106</span>} <span class="comment">// namespace data_structures</span></div>
<div class="line"><a id="l00107" name="l00107"></a><span class="lineno"> 107</span> </div>
<div class="line"><a id="l00107" name="l00107"></a><span class="lineno"> 107</span></div>
<div class="foldopen" id="foldopen00112" data-start="{" data-end="}">
<div class="line"><a id="l00112" name="l00112"></a><span class="lineno"><a class="line" href="../../de/dd1/segment__tree_8cpp.html#aa8dca7b867074164d5f45b0f3851269d"> 112</a></span><span class="keyword">static</span> <span class="keywordtype">void</span> <a class="code hl_function" href="../../de/dd1/segment__tree_8cpp.html#aa8dca7b867074164d5f45b0f3851269d">test</a>() {</div>
<div class="line"><a id="l00113" name="l00113"></a><span class="lineno"> 113</span> <a class="code hl_class" href="../../dd/d95/classdata__structures_1_1_segment_tree.html">data_structures::SegmentTree&lt;int&gt;</a> t(5);</div>
@@ -203,7 +208,7 @@ $(function(){initNavTree('de/dd1/segment__tree_8cpp_source.html','../../'); init
<div class="line"><a id="l00123" name="l00123"></a><span class="lineno"> 123</span> std::cout &lt;&lt; <span class="stringliteral">&quot;All tests have successfully passed!\n&quot;</span>;</div>
<div class="line"><a id="l00124" name="l00124"></a><span class="lineno"> 124</span>}</div>
</div>
<div class="line"><a id="l00125" name="l00125"></a><span class="lineno"> 125</span> </div>
<div class="line"><a id="l00125" name="l00125"></a><span class="lineno"> 125</span></div>
<div class="foldopen" id="foldopen00130" data-start="{" data-end="}">
<div class="line"><a id="l00130" name="l00130"></a><span class="lineno"><a class="line" href="../../de/dd1/segment__tree_8cpp.html#ae66f6b31b5ad750f1fe042a706a4e3d4"> 130</a></span><span class="keywordtype">int</span> <a class="code hl_function" href="../../de/dd1/segment__tree_8cpp.html#ae66f6b31b5ad750f1fe042a706a4e3d4">main</a>() {</div>
<div class="line"><a id="l00131" name="l00131"></a><span class="lineno"> 131</span> <a class="code hl_function" href="../../de/dd1/segment__tree_8cpp.html#aa8dca7b867074164d5f45b0f3851269d">test</a>(); <span class="comment">// run self-test implementations</span></div>
@@ -229,7 +234,7 @@ $(function(){initNavTree('de/dd1/segment__tree_8cpp_source.html','../../'); init
<div id="nav-path" class="navpath"><!-- id is needed for treeview function! -->
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<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> 1.12.0 </li>
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