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<div id="projectbrief">Set of algorithms implemented in C++.</div>
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<a href="#namespaces">Namespaces</a> &#124;
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<div class="headertitle"><div class="title">prefix_sum_array.cpp File Reference</div></div>
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@@ -122,11 +138,13 @@ Include dependency graph for prefix_sum_array.cpp:</div>
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<table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 class="groupheader"><a id="namespaces" name="namespaces"></a>
Namespaces</h2></td></tr>
<tr class="memitem:"><td class="memItemLeft" align="right" valign="top">namespace &#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="../../dd/d69/namespacerange__queries.html">range_queries</a></td></tr>
<tr class="memdesc:dd/d69/namespacerange__queries"><td class="mdescLeft">&#160;</td><td class="mdescRight">for <a class="elRef" target="_blank" href="http://en.cppreference.com/w/cpp/container/vector.html">std::vector</a> <br /></td></tr>
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<tr class="memitem:"><td class="memItemLeft" align="right" valign="top">namespace &#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="../../d7/d88/namespaceprefix__sum__array.html">prefix_sum_array</a></td></tr>
<tr class="memdesc:d7/d88/namespaceprefix__sum__array"><td class="mdescLeft">&#160;</td><td class="mdescRight">Range sum queries using prefix-sum-array. <br /></td></tr>
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std::vector&lt; int64_t &gt;&#160;</td><td class="memItemRight" valign="bottom"><b>range_queries::prefix_sum_array::PSA</b> (1, 0)</td></tr>
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<tr class="memdesc:ab36151479ad37d53ef9fcb60a274b1d9"><td class="mdescLeft">&#160;</td><td class="mdescRight">function that builds the PSA <br /></td></tr>
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<tr class="memdesc:ae66f6b31b5ad750f1fe042a706a4e3d4"><td class="mdescLeft">&#160;</td><td class="mdescRight">Main function. <br /></td></tr>
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<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
<div class="textblock"><p><a href="https://en.wikipedia.org/wiki/Prefix_sum" target="_blank">Prefix Sum Array</a> data structure implementation. </p>
@@ -165,6 +180,8 @@ Variables</h2></td></tr>
<dl class="section author"><dt>Author</dt><dd><a href="https://github.com/PauloVLB" target="_blank">Paulo Vitor Lima Borges</a> </dd></dl>
</li>
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<p class="definition">Definition in file <a class="el" href="../../d1/d9e/prefix__sum__array_8cpp_source.html">prefix_sum_array.cpp</a>.</p>
</div><h2 class="groupheader">Function Documentation</h2>
<a id="ab36151479ad37d53ef9fcb60a274b1d9" name="ab36151479ad37d53ef9fcb60a274b1d9"></a>
<h2 class="memtitle"><span class="permalink"><a href="#ab36151479ad37d53ef9fcb60a274b1d9">&#9670;&#160;</a></span>build()</h2>
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<td class="memname">void range_queries::prefix_sum_array::build </td>
<td>(</td>
<td class="paramtype"><a class="elRef" target="_blank" href="http://en.cppreference.com/w/cpp/container/vector.html">std::vector</a>&lt; int64_t &gt;</td> <td class="paramname"><span class="paramname"><em>original_array</em></span></td><td>)</td>
<td class="paramtype">std::vector&lt; int64_t &gt;</td> <td class="paramname"><span class="paramname"><em>original_array</em></span></td><td>)</td>
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@@ -189,19 +206,14 @@ Variables</h2></td></tr>
</dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>void </dd></dl>
<p class="definition">Definition at line <a class="el" href="../../d1/d9e/prefix__sum__array_8cpp_source.html#l00041">41</a> of file <a class="el" href="../../d1/d9e/prefix__sum__array_8cpp_source.html">prefix_sum_array.cpp</a>.</p>
<div class="fragment"><div class="line"><span class="lineno"> 41</span> {</div>
<div class="line"><span class="lineno"> 42</span> <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 1; i &lt;= static_cast&lt;int&gt;(original_array.<a class="code hl_functionRef" target="_blank" href="http://en.cppreference.com/w/cpp/container/vector/size.html">size</a>()); i++) {</div>
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<div class="line"><span class="lineno"> 42</span> <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 1; i &lt;= static_cast&lt;int&gt;(original_array.size()); i++) {</div>
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<div class="dyncontent">
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<p>Main function. </p>
<dl class="section return"><dt>Returns</dt><dd>0 on exit </dd></dl>
<p class="definition">Definition at line <a class="el" href="../../d1/d9e/prefix__sum__array_8cpp_source.html#l00080">80</a> of file <a class="el" href="../../d1/d9e/prefix__sum__array_8cpp_source.html">prefix_sum_array.cpp</a>.</p>
<div class="fragment"><div class="line"><span class="lineno"> 80</span> {</div>
<div class="line"><span class="lineno"> 81</span> <a class="code hl_function" href="#aa8dca7b867074164d5f45b0f3851269d">test</a>(); <span class="comment">// run self-test implementations</span></div>
<div class="line"><span class="lineno"> 82</span> <span class="keywordflow">return</span> 0;</div>
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<div class="dyncontent">
<div class="center"><iframe scrolling="no" frameborder="0" src="../../d1/d9e/prefix__sum__array_8cpp_ae66f6b31b5ad750f1fe042a706a4e3d4_cgraph.svg" width="152" height="36"><p><b>This browser is not able to show SVG: try Firefox, Chrome, Safari, or Opera instead.</b></p></iframe></div>
</div>
<div class="ttc" id="aprefix__sum__array_8cpp_html_aa8dca7b867074164d5f45b0f3851269d"><div class="ttname"><a href="#aa8dca7b867074164d5f45b0f3851269d">test</a></div><div class="ttdeci">static void test()</div><div class="ttdoc">Self-test implementations.</div><div class="ttdef"><b>Definition</b> <a href="../../d1/d9e/prefix__sum__array_8cpp_source.html#l00061">prefix_sum_array.cpp:61</a></div></div>
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</dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>sum of the range [beg, end] </dd></dl>
<div class="fragment"><div class="line"><span class="lineno"> 52</span>{ <span class="keywordflow">return</span> PSA[<a class="code hl_functionRef" target="_blank" href="http://en.cppreference.com/w/cpp/iterator/end.html">end</a>] - PSA[beg - 1]; }</div>
<div class="ttc" id="aend_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/iterator/end.html">std::end</a></div><div class="ttdeci">T end(T... args)</div></div>
<p class="definition">Definition at line <a class="el" href="../../d1/d9e/prefix__sum__array_8cpp_source.html#l00052">52</a> of file <a class="el" href="../../d1/d9e/prefix__sum__array_8cpp_source.html">prefix_sum_array.cpp</a>.</p>
<div class="fragment"><div class="line"><span class="lineno"> 52</span>{ <span class="keywordflow">return</span> PSA[end] - PSA[beg - 1]; }</div>
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<p>Self-test implementations. </p>
<dl class="section return"><dt>Returns</dt><dd>void </dd></dl>
<p class="definition">Definition at line <a class="el" href="../../d1/d9e/prefix__sum__array_8cpp_source.html#l00061">61</a> of file <a class="el" href="../../d1/d9e/prefix__sum__array_8cpp_source.html">prefix_sum_array.cpp</a>.</p>
<div class="fragment"><div class="line"><span class="lineno"> 61</span> {</div>
<div class="line"><span class="lineno"> 62</span> <a class="code hl_classRef" target="_blank" href="http://en.cppreference.com/w/cpp/container/vector.html">std::vector&lt;int64_t&gt;</a> values{0, 123, 0, 2, -2, 5,</div>
<div class="line"><span class="lineno"> 62</span> std::vector&lt;int64_t&gt; values{0, 123, 0, 2, -2, 5,</div>
<div class="line"><span class="lineno"> 63</span> 24, 0, 23, -1, -1}; <span class="comment">// original array</span></div>
<div class="line"><span class="lineno"> 64</span> </div>
<div class="line"><span class="lineno"> 65</span> <a class="code hl_function" href="#ab36151479ad37d53ef9fcb60a274b1d9">range_queries::prefix_sum_array::build</a>(values);</div>
@@ -306,8 +318,7 @@ Here is the call graph for this function:</div>
<div class="line"><span class="lineno"> 72</span> assert(range_queries::prefix_sum_array::query(5, 9) ==</div>
<div class="line"><span class="lineno"> 73</span> 51); <span class="comment">// the sum of the interval [5, 9]</span></div>
<div class="line"><span class="lineno"> 74</span>}</div>
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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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