mirror of
https://github.com/TheAlgorithms/C-Plus-Plus.git
synced 2026-03-20 20:07:45 +08:00
Documentation for 93c64b558a
This commit is contained in:
realstealthninja
@@ -139,16 +139,18 @@ Namespaces</h2></td></tr>
|
||||
</table><table class="memberdecls">
|
||||
<tr class="heading"><td colspan="2"><h2 id="header-func-members" class="groupheader"><a id="func-members" name="func-members"></a>
|
||||
Functions</h2></td></tr>
|
||||
<tr class="memitem:adae5ede93421c239b4a15a3689320ac1" id="r_adae5ede93421c239b4a15a3689320ac1"><td class="memItemLeft" align="right" valign="top"><a id="adae5ede93421c239b4a15a3689320ac1" name="adae5ede93421c239b4a15a3689320ac1"></a>
|
||||
std::vector< int64_t > </td><td class="memItemRight" valign="bottom"><b>range_queries::prefix_sum_array::PSA</b> (1, 0)</td></tr>
|
||||
<tr class="memitem:ab36151479ad37d53ef9fcb60a274b1d9" id="r_ab36151479ad37d53ef9fcb60a274b1d9"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="#ab36151479ad37d53ef9fcb60a274b1d9">range_queries::prefix_sum_array::build</a> (std::vector< int64_t > original_array)</td></tr>
|
||||
<tr class="memdesc:ab36151479ad37d53ef9fcb60a274b1d9"><td class="mdescLeft"> </td><td class="mdescRight">function that builds the PSA <br /></td></tr>
|
||||
<tr class="memitem:a98e118ed64ba95a8198e1a915459c177" id="r_a98e118ed64ba95a8198e1a915459c177"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="#a98e118ed64ba95a8198e1a915459c177">range_queries::prefix_sum_array::build</a> (const std::vector< int64_t > &original_array)</td></tr>
|
||||
<tr class="memdesc:a98e118ed64ba95a8198e1a915459c177"><td class="mdescLeft"> </td><td class="mdescRight">function that builds the PSA <br /></td></tr>
|
||||
<tr class="memitem:a7c8fd967c36dbba5fdf9c71faed604cf" id="r_a7c8fd967c36dbba5fdf9c71faed604cf"><td class="memItemLeft" align="right" valign="top">int64_t </td><td class="memItemRight" valign="bottom"><a class="el" href="#a7c8fd967c36dbba5fdf9c71faed604cf">range_queries::prefix_sum_array::query</a> (int64_t beg, int64_t end)</td></tr>
|
||||
<tr class="memdesc:a7c8fd967c36dbba5fdf9c71faed604cf"><td class="mdescLeft"> </td><td class="mdescRight">query function <br /></td></tr>
|
||||
<tr class="memitem:aa8dca7b867074164d5f45b0f3851269d" id="r_aa8dca7b867074164d5f45b0f3851269d"><td class="memItemLeft" align="right" valign="top">static void </td><td class="memItemRight" valign="bottom"><a class="el" href="#aa8dca7b867074164d5f45b0f3851269d">test</a> ()</td></tr>
|
||||
<tr class="memdesc:aa8dca7b867074164d5f45b0f3851269d"><td class="mdescLeft"> </td><td class="mdescRight">Self-test implementations. <br /></td></tr>
|
||||
<tr class="memitem:ae66f6b31b5ad750f1fe042a706a4e3d4" id="r_ae66f6b31b5ad750f1fe042a706a4e3d4"><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="#ae66f6b31b5ad750f1fe042a706a4e3d4">main</a> ()</td></tr>
|
||||
<tr class="memdesc:ae66f6b31b5ad750f1fe042a706a4e3d4"><td class="mdescLeft"> </td><td class="mdescRight">Main function. <br /></td></tr>
|
||||
</table><table class="memberdecls">
|
||||
<tr class="heading"><td colspan="2"><h2 id="header-var-members" class="groupheader"><a id="var-members" name="var-members"></a>
|
||||
Variables</h2></td></tr>
|
||||
<tr class="memitem:a4051fe9652babad269ce08239eb493f1" id="r_a4051fe9652babad269ce08239eb493f1"><td class="memItemLeft" align="right" valign="top">std::vector< int64_t > </td><td class="memItemRight" valign="bottom"><a class="el" href="#a4051fe9652babad269ce08239eb493f1">range_queries::prefix_sum_array::PSA</a> {}</td></tr>
|
||||
</table>
|
||||
<a name="details" id="details"></a><h2 id="header-details" class="groupheader">Detailed Description</h2>
|
||||
<div class="textblock"><p><a href="https://en.wikipedia.org/wiki/Prefix_sum" target="_blank">Prefix Sum Array</a> data structure implementation. </p>
|
||||
@@ -165,8 +167,8 @@ std::vector< int64_t > </td><td class="memItemRight" valign="bottom">
|
||||
|
||||
<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><a name="doc-func-members" id="doc-func-members"></a><h2 id="header-doc-func-members" class="groupheader">Function Documentation</h2>
|
||||
<a id="ab36151479ad37d53ef9fcb60a274b1d9" name="ab36151479ad37d53ef9fcb60a274b1d9"></a>
|
||||
<h2 class="memtitle"><span class="permalink"><a href="#ab36151479ad37d53ef9fcb60a274b1d9">◆ </a></span>build()</h2>
|
||||
<a id="a98e118ed64ba95a8198e1a915459c177" name="a98e118ed64ba95a8198e1a915459c177"></a>
|
||||
<h2 class="memtitle"><span class="permalink"><a href="#a98e118ed64ba95a8198e1a915459c177">◆ </a></span>build()</h2>
|
||||
|
||||
<div class="memitem">
|
||||
<div class="memproto">
|
||||
@@ -174,7 +176,7 @@ std::vector< int64_t > </td><td class="memItemRight" valign="bottom">
|
||||
<tr>
|
||||
<td class="memname">void range_queries::prefix_sum_array::build </td>
|
||||
<td>(</td>
|
||||
<td class="paramtype">std::vector< int64_t ></td> <td class="paramname"><span class="paramname"><em>original_array</em></span></td><td>)</td>
|
||||
<td class="paramtype">const std::vector< int64_t > &</td> <td class="paramname"><span class="paramname"><em>original_array</em></span></td><td>)</td>
|
||||
<td></td>
|
||||
</tr>
|
||||
</table>
|
||||
@@ -190,11 +192,13 @@ std::vector< int64_t > </td><td class="memItemRight" valign="bottom">
|
||||
<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 <= static_cast<int>(original_array.size()); i++) {</div>
|
||||
<div class="line"><span class="lineno"> 43</span> PSA.push_back(PSA[i - 1] + original_array[i]);</div>
|
||||
<div class="line"><span class="lineno"> 44</span> }</div>
|
||||
<div class="line"><span class="lineno"> 45</span>}</div>
|
||||
<div class="fragment"><div class="line"><span class="lineno"> 41</span> {</div>
|
||||
<div class="line"><span class="lineno"> 42</span> PSA.clear();</div>
|
||||
<div class="line"><span class="lineno"> 43</span> PSA.push_back(0);</div>
|
||||
<div class="line"><span class="lineno"> 44</span> <span class="keywordflow">for</span> (std::size_t i = 1; i < original_array.size(); ++i) {</div>
|
||||
<div class="line"><span class="lineno"> 45</span> PSA.push_back(PSA.back() + original_array[i]);</div>
|
||||
<div class="line"><span class="lineno"> 46</span> }</div>
|
||||
<div class="line"><span class="lineno"> 47</span>}</div>
|
||||
</div><!-- fragment -->
|
||||
</div>
|
||||
</div>
|
||||
@@ -216,12 +220,12 @@ std::vector< int64_t > </td><td class="memItemRight" valign="bottom">
|
||||
<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>
|
||||
<div class="line"><span class="lineno"> 83</span>}</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>
|
||||
<p class="definition">Definition at line <a class="el" href="../../d1/d9e/prefix__sum__array_8cpp_source.html#l00082">82</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"> 82</span> {</div>
|
||||
<div class="line"><span class="lineno"> 83</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"> 84</span> <span class="keywordflow">return</span> 0;</div>
|
||||
<div class="line"><span class="lineno"> 85</span>}</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#l00063">prefix_sum_array.cpp:63</a></div></div>
|
||||
</div><!-- fragment -->
|
||||
</div>
|
||||
</div>
|
||||
@@ -254,8 +258,8 @@ std::vector< int64_t > </td><td class="memItemRight" valign="bottom">
|
||||
</dl>
|
||||
<dl class="section return"><dt>Returns</dt><dd>sum of the range [beg, end] </dd></dl>
|
||||
|
||||
<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>
|
||||
<p class="definition">Definition at line <a class="el" href="../../d1/d9e/prefix__sum__array_8cpp_source.html#l00054">54</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"> 54</span>{ <span class="keywordflow">return</span> PSA[end] - PSA[beg - 1]; }</div>
|
||||
</div><!-- fragment -->
|
||||
</div>
|
||||
</div>
|
||||
@@ -285,23 +289,41 @@ std::vector< int64_t > </td><td class="memItemRight" valign="bottom">
|
||||
<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> std::vector<int64_t> 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>
|
||||
<div class="line"><span class="lineno"> 66</span> <span class="comment">// queries are of the type: sum of the range [a, b] = psa[b] - psa[a-1]</span></div>
|
||||
<div class="line"><span class="lineno"> 67</span> </div>
|
||||
<div class="line"><span class="lineno"> 68</span> assert(<a class="code hl_function" href="#a7c8fd967c36dbba5fdf9c71faed604cf">range_queries::prefix_sum_array::query</a>(1, 10) ==</div>
|
||||
<div class="line"><span class="lineno"> 69</span> 173); <span class="comment">// sum of the entire array</span></div>
|
||||
<div class="line"><span class="lineno"> 70</span> assert(<a class="code hl_function" href="#a7c8fd967c36dbba5fdf9c71faed604cf">range_queries::prefix_sum_array::query</a>(4, 6) ==</div>
|
||||
<div class="line"><span class="lineno"> 71</span> 27); <span class="comment">// the sum of the interval [4, 6]</span></div>
|
||||
<div class="line"><span class="lineno"> 72</span> assert(<a class="code hl_function" href="#a7c8fd967c36dbba5fdf9c71faed604cf">range_queries::prefix_sum_array::query</a>(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>
|
||||
<div class="ttc" id="aprefix__sum__array_8cpp_html_a7c8fd967c36dbba5fdf9c71faed604cf"><div class="ttname"><a href="#a7c8fd967c36dbba5fdf9c71faed604cf">range_queries::prefix_sum_array::query</a></div><div class="ttdeci">int64_t query(int64_t beg, int64_t end)</div><div class="ttdoc">query function</div><div class="ttdef"><b>Definition</b> <a href="../../d1/d9e/prefix__sum__array_8cpp_source.html#l00052">prefix_sum_array.cpp:52</a></div></div>
|
||||
<div class="ttc" id="aprefix__sum__array_8cpp_html_ab36151479ad37d53ef9fcb60a274b1d9"><div class="ttname"><a href="#ab36151479ad37d53ef9fcb60a274b1d9">range_queries::prefix_sum_array::build</a></div><div class="ttdeci">void build(std::vector< int64_t > original_array)</div><div class="ttdoc">function that builds the PSA</div><div class="ttdef"><b>Definition</b> <a href="../../d1/d9e/prefix__sum__array_8cpp_source.html#l00041">prefix_sum_array.cpp:41</a></div></div>
|
||||
<p class="definition">Definition at line <a class="el" href="../../d1/d9e/prefix__sum__array_8cpp_source.html#l00063">63</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"> 63</span> {</div>
|
||||
<div class="line"><span class="lineno"> 64</span> std::vector<int64_t> values{0, 123, 0, 2, -2, 5,</div>
|
||||
<div class="line"><span class="lineno"> 65</span> 24, 0, 23, -1, -1}; <span class="comment">// original array</span></div>
|
||||
<div class="line"><span class="lineno"> 66</span> </div>
|
||||
<div class="line"><span class="lineno"> 67</span> <a class="code hl_function" href="#a98e118ed64ba95a8198e1a915459c177">range_queries::prefix_sum_array::build</a>(values);</div>
|
||||
<div class="line"><span class="lineno"> 68</span> <span class="comment">// queries are of the type: sum of the range [a, b] = psa[b] - psa[a-1]</span></div>
|
||||
<div class="line"><span class="lineno"> 69</span> </div>
|
||||
<div class="line"><span class="lineno"> 70</span> assert(<a class="code hl_function" href="#a7c8fd967c36dbba5fdf9c71faed604cf">range_queries::prefix_sum_array::query</a>(1, 10) ==</div>
|
||||
<div class="line"><span class="lineno"> 71</span> 173); <span class="comment">// sum of the entire array</span></div>
|
||||
<div class="line"><span class="lineno"> 72</span> assert(<a class="code hl_function" href="#a7c8fd967c36dbba5fdf9c71faed604cf">range_queries::prefix_sum_array::query</a>(4, 6) ==</div>
|
||||
<div class="line"><span class="lineno"> 73</span> 27); <span class="comment">// the sum of the interval [4, 6]</span></div>
|
||||
<div class="line"><span class="lineno"> 74</span> assert(<a class="code hl_function" href="#a7c8fd967c36dbba5fdf9c71faed604cf">range_queries::prefix_sum_array::query</a>(5, 9) ==</div>
|
||||
<div class="line"><span class="lineno"> 75</span> 51); <span class="comment">// the sum of the interval [5, 9]</span></div>
|
||||
<div class="line"><span class="lineno"> 76</span>}</div>
|
||||
<div class="ttc" id="aprefix__sum__array_8cpp_html_a7c8fd967c36dbba5fdf9c71faed604cf"><div class="ttname"><a href="#a7c8fd967c36dbba5fdf9c71faed604cf">range_queries::prefix_sum_array::query</a></div><div class="ttdeci">int64_t query(int64_t beg, int64_t end)</div><div class="ttdoc">query function</div><div class="ttdef"><b>Definition</b> <a href="../../d1/d9e/prefix__sum__array_8cpp_source.html#l00054">prefix_sum_array.cpp:54</a></div></div>
|
||||
<div class="ttc" id="aprefix__sum__array_8cpp_html_a98e118ed64ba95a8198e1a915459c177"><div class="ttname"><a href="#a98e118ed64ba95a8198e1a915459c177">range_queries::prefix_sum_array::build</a></div><div class="ttdeci">void build(const std::vector< int64_t > &original_array)</div><div class="ttdoc">function that builds the PSA</div><div class="ttdef"><b>Definition</b> <a href="../../d1/d9e/prefix__sum__array_8cpp_source.html#l00041">prefix_sum_array.cpp:41</a></div></div>
|
||||
</div><!-- fragment -->
|
||||
</div>
|
||||
</div>
|
||||
<a name="doc-var-members" id="doc-var-members"></a><h2 id="header-doc-var-members" class="groupheader">Variable Documentation</h2>
|
||||
<a id="a4051fe9652babad269ce08239eb493f1" name="a4051fe9652babad269ce08239eb493f1"></a>
|
||||
<h2 class="memtitle"><span class="permalink"><a href="#a4051fe9652babad269ce08239eb493f1">◆ </a></span>PSA</h2>
|
||||
|
||||
<div class="memitem">
|
||||
<div class="memproto">
|
||||
<table class="memname">
|
||||
<tr>
|
||||
<td class="memname">std::vector<int64_t> range_queries::prefix_sum_array::PSA {}</td>
|
||||
</tr>
|
||||
</table>
|
||||
</div><div class="memdoc">
|
||||
|
||||
<p class="definition">Definition at line <a class="el" href="../../d1/d9e/prefix__sum__array_8cpp_source.html#l00034">34</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"> 34</span>{};</div>
|
||||
</div><!-- fragment -->
|
||||
</div>
|
||||
</div>
|
||||
|
||||
@@ -1,6 +1,6 @@
|
||||
var prefix__sum__array_8cpp =
|
||||
[
|
||||
[ "range_queries::prefix_sum_array::build", "d1/d9e/prefix__sum__array_8cpp.html#ab36151479ad37d53ef9fcb60a274b1d9", null ],
|
||||
[ "range_queries::prefix_sum_array::build", "d1/d9e/prefix__sum__array_8cpp.html#a98e118ed64ba95a8198e1a915459c177", null ],
|
||||
[ "main", "d1/d9e/prefix__sum__array_8cpp.html#ae66f6b31b5ad750f1fe042a706a4e3d4", null ],
|
||||
[ "range_queries::prefix_sum_array::query", "d1/d9e/prefix__sum__array_8cpp.html#a7c8fd967c36dbba5fdf9c71faed604cf", null ],
|
||||
[ "test", "d1/d9e/prefix__sum__array_8cpp.html#aa8dca7b867074164d5f45b0f3851269d", null ]
|
||||
|
||||
@@ -125,50 +125,52 @@ $(function(){initNavTree('d1/d9e/prefix__sum__array_8cpp_source.html','../../','
|
||||
<div class="line"><a id="l00027" name="l00027"></a><span class="lineno"> 27</span><span class="keyword">namespace </span><a class="code hl_namespace" href="../../dd/d69/namespacerange__queries.html">range_queries</a> {</div>
|
||||
<div class="line"><a id="l00032" name="l00032"></a><span class="lineno"> 32</span><span class="keyword">namespace </span><a class="code hl_namespace" href="../../d7/d88/namespaceprefix__sum__array.html">prefix_sum_array</a> {</div>
|
||||
<div class="line"><a id="l00033" name="l00033"></a><span class="lineno"> 33</span> </div>
|
||||
<div class="line"><a id="l00034" name="l00034"></a><span class="lineno"> 34</span>std::vector<int64_t> PSA(1, 0);</div>
|
||||
<div class="line"><a id="l00034" name="l00034"></a><span class="lineno"> 34</span>std::vector<int64_t> PSA{};</div>
|
||||
<div class="line"><a id="l00035" name="l00035"></a><span class="lineno"> 35</span></div>
|
||||
<div class="foldopen" id="foldopen00041" data-start="{" data-end="}">
|
||||
<div class="line"><a id="l00041" name="l00041"></a><span class="lineno"><a class="line" href="../../d1/d9e/prefix__sum__array_8cpp.html#ab36151479ad37d53ef9fcb60a274b1d9"> 41</a></span><span class="keywordtype">void</span> <a class="code hl_function" href="../../d1/d9e/prefix__sum__array_8cpp.html#ab36151479ad37d53ef9fcb60a274b1d9">build</a>(std::vector<int64_t> original_array) {</div>
|
||||
<div class="line"><a id="l00042" name="l00042"></a><span class="lineno"> 42</span> <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 1; i <= static_cast<int>(original_array.size()); i++) {</div>
|
||||
<div class="line"><a id="l00043" name="l00043"></a><span class="lineno"> 43</span> PSA.push_back(PSA[i - 1] + original_array[i]);</div>
|
||||
<div class="line"><a id="l00044" name="l00044"></a><span class="lineno"> 44</span> }</div>
|
||||
<div class="line"><a id="l00045" name="l00045"></a><span class="lineno"> 45</span>}</div>
|
||||
<div class="line"><a id="l00041" name="l00041"></a><span class="lineno"><a class="line" href="../../d1/d9e/prefix__sum__array_8cpp.html#a98e118ed64ba95a8198e1a915459c177"> 41</a></span><span class="keywordtype">void</span> <a class="code hl_function" href="../../d1/d9e/prefix__sum__array_8cpp.html#a98e118ed64ba95a8198e1a915459c177">build</a>(<span class="keyword">const</span> std::vector<int64_t>& original_array) {</div>
|
||||
<div class="line"><a id="l00042" name="l00042"></a><span class="lineno"> 42</span> PSA.clear();</div>
|
||||
<div class="line"><a id="l00043" name="l00043"></a><span class="lineno"> 43</span> PSA.push_back(0);</div>
|
||||
<div class="line"><a id="l00044" name="l00044"></a><span class="lineno"> 44</span> <span class="keywordflow">for</span> (std::size_t i = 1; i < original_array.size(); ++i) {</div>
|
||||
<div class="line"><a id="l00045" name="l00045"></a><span class="lineno"> 45</span> PSA.push_back(PSA.back() + original_array[i]);</div>
|
||||
<div class="line"><a id="l00046" name="l00046"></a><span class="lineno"> 46</span> }</div>
|
||||
<div class="line"><a id="l00047" name="l00047"></a><span class="lineno"> 47</span>}</div>
|
||||
</div>
|
||||
<div class="line"><a id="l00046" name="l00046"></a><span class="lineno"> 46</span></div>
|
||||
<div class="line"><a id="l00052" name="l00052"></a><span class="lineno"><a class="line" href="../../d1/d9e/prefix__sum__array_8cpp.html#a7c8fd967c36dbba5fdf9c71faed604cf"> 52</a></span>int64_t <a class="code hl_function" href="../../d1/d9e/prefix__sum__array_8cpp.html#a7c8fd967c36dbba5fdf9c71faed604cf">query</a>(int64_t beg, int64_t end) { <span class="keywordflow">return</span> PSA[end] - PSA[beg - 1]; }</div>
|
||||
<div class="line"><a id="l00053" name="l00053"></a><span class="lineno"> 53</span> </div>
|
||||
<div class="line"><a id="l00054" name="l00054"></a><span class="lineno"> 54</span>} <span class="comment">// namespace prefix_sum_array</span></div>
|
||||
<div class="line"><a id="l00055" name="l00055"></a><span class="lineno"> 55</span>} <span class="comment">// namespace range_queries</span></div>
|
||||
<div class="line"><a id="l00056" name="l00056"></a><span class="lineno"> 56</span></div>
|
||||
<div class="foldopen" id="foldopen00061" data-start="{" data-end="}">
|
||||
<div class="line"><a id="l00061" name="l00061"></a><span class="lineno"><a class="line" href="../../d1/d9e/prefix__sum__array_8cpp.html#aa8dca7b867074164d5f45b0f3851269d"> 61</a></span><span class="keyword">static</span> <span class="keywordtype">void</span> <a class="code hl_function" href="../../d1/d9e/prefix__sum__array_8cpp.html#aa8dca7b867074164d5f45b0f3851269d">test</a>() {</div>
|
||||
<div class="line"><a id="l00062" name="l00062"></a><span class="lineno"> 62</span> std::vector<int64_t> values{0, 123, 0, 2, -2, 5,</div>
|
||||
<div class="line"><a id="l00063" name="l00063"></a><span class="lineno"> 63</span> 24, 0, 23, -1, -1}; <span class="comment">// original array</span></div>
|
||||
<div class="line"><a id="l00064" name="l00064"></a><span class="lineno"> 64</span> </div>
|
||||
<div class="line"><a id="l00065" name="l00065"></a><span class="lineno"> 65</span> <a class="code hl_function" href="../../d1/d9e/prefix__sum__array_8cpp.html#ab36151479ad37d53ef9fcb60a274b1d9">range_queries::prefix_sum_array::build</a>(values);</div>
|
||||
<div class="line"><a id="l00066" name="l00066"></a><span class="lineno"> 66</span> <span class="comment">// queries are of the type: sum of the range [a, b] = psa[b] - psa[a-1]</span></div>
|
||||
<div class="line"><a id="l00067" name="l00067"></a><span class="lineno"> 67</span> </div>
|
||||
<div class="line"><a id="l00068" name="l00068"></a><span class="lineno"> 68</span> assert(<a class="code hl_function" href="../../d1/d9e/prefix__sum__array_8cpp.html#a7c8fd967c36dbba5fdf9c71faed604cf">range_queries::prefix_sum_array::query</a>(1, 10) ==</div>
|
||||
<div class="line"><a id="l00069" name="l00069"></a><span class="lineno"> 69</span> 173); <span class="comment">// sum of the entire array</span></div>
|
||||
<div class="line"><a id="l00070" name="l00070"></a><span class="lineno"> 70</span> assert(<a class="code hl_function" href="../../d1/d9e/prefix__sum__array_8cpp.html#a7c8fd967c36dbba5fdf9c71faed604cf">range_queries::prefix_sum_array::query</a>(4, 6) ==</div>
|
||||
<div class="line"><a id="l00071" name="l00071"></a><span class="lineno"> 71</span> 27); <span class="comment">// the sum of the interval [4, 6]</span></div>
|
||||
<div class="line"><a id="l00072" name="l00072"></a><span class="lineno"> 72</span> assert(<a class="code hl_function" href="../../d1/d9e/prefix__sum__array_8cpp.html#a7c8fd967c36dbba5fdf9c71faed604cf">range_queries::prefix_sum_array::query</a>(5, 9) ==</div>
|
||||
<div class="line"><a id="l00073" name="l00073"></a><span class="lineno"> 73</span> 51); <span class="comment">// the sum of the interval [5, 9]</span></div>
|
||||
<div class="line"><a id="l00074" name="l00074"></a><span class="lineno"> 74</span>}</div>
|
||||
<div class="line"><a id="l00048" name="l00048"></a><span class="lineno"> 48</span></div>
|
||||
<div class="line"><a id="l00054" name="l00054"></a><span class="lineno"><a class="line" href="../../d1/d9e/prefix__sum__array_8cpp.html#a7c8fd967c36dbba5fdf9c71faed604cf"> 54</a></span>int64_t <a class="code hl_function" href="../../d1/d9e/prefix__sum__array_8cpp.html#a7c8fd967c36dbba5fdf9c71faed604cf">query</a>(int64_t beg, int64_t end) { <span class="keywordflow">return</span> PSA[end] - PSA[beg - 1]; }</div>
|
||||
<div class="line"><a id="l00055" name="l00055"></a><span class="lineno"> 55</span> </div>
|
||||
<div class="line"><a id="l00056" name="l00056"></a><span class="lineno"> 56</span>} <span class="comment">// namespace prefix_sum_array</span></div>
|
||||
<div class="line"><a id="l00057" name="l00057"></a><span class="lineno"> 57</span>} <span class="comment">// namespace range_queries</span></div>
|
||||
<div class="line"><a id="l00058" name="l00058"></a><span class="lineno"> 58</span></div>
|
||||
<div class="foldopen" id="foldopen00063" data-start="{" data-end="}">
|
||||
<div class="line"><a id="l00063" name="l00063"></a><span class="lineno"><a class="line" href="../../d1/d9e/prefix__sum__array_8cpp.html#aa8dca7b867074164d5f45b0f3851269d"> 63</a></span><span class="keyword">static</span> <span class="keywordtype">void</span> <a class="code hl_function" href="../../d1/d9e/prefix__sum__array_8cpp.html#aa8dca7b867074164d5f45b0f3851269d">test</a>() {</div>
|
||||
<div class="line"><a id="l00064" name="l00064"></a><span class="lineno"> 64</span> std::vector<int64_t> values{0, 123, 0, 2, -2, 5,</div>
|
||||
<div class="line"><a id="l00065" name="l00065"></a><span class="lineno"> 65</span> 24, 0, 23, -1, -1}; <span class="comment">// original array</span></div>
|
||||
<div class="line"><a id="l00066" name="l00066"></a><span class="lineno"> 66</span> </div>
|
||||
<div class="line"><a id="l00067" name="l00067"></a><span class="lineno"> 67</span> <a class="code hl_function" href="../../d1/d9e/prefix__sum__array_8cpp.html#a98e118ed64ba95a8198e1a915459c177">range_queries::prefix_sum_array::build</a>(values);</div>
|
||||
<div class="line"><a id="l00068" name="l00068"></a><span class="lineno"> 68</span> <span class="comment">// queries are of the type: sum of the range [a, b] = psa[b] - psa[a-1]</span></div>
|
||||
<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> assert(<a class="code hl_function" href="../../d1/d9e/prefix__sum__array_8cpp.html#a7c8fd967c36dbba5fdf9c71faed604cf">range_queries::prefix_sum_array::query</a>(1, 10) ==</div>
|
||||
<div class="line"><a id="l00071" name="l00071"></a><span class="lineno"> 71</span> 173); <span class="comment">// sum of the entire array</span></div>
|
||||
<div class="line"><a id="l00072" name="l00072"></a><span class="lineno"> 72</span> assert(<a class="code hl_function" href="../../d1/d9e/prefix__sum__array_8cpp.html#a7c8fd967c36dbba5fdf9c71faed604cf">range_queries::prefix_sum_array::query</a>(4, 6) ==</div>
|
||||
<div class="line"><a id="l00073" name="l00073"></a><span class="lineno"> 73</span> 27); <span class="comment">// the sum of the interval [4, 6]</span></div>
|
||||
<div class="line"><a id="l00074" name="l00074"></a><span class="lineno"> 74</span> assert(<a class="code hl_function" href="../../d1/d9e/prefix__sum__array_8cpp.html#a7c8fd967c36dbba5fdf9c71faed604cf">range_queries::prefix_sum_array::query</a>(5, 9) ==</div>
|
||||
<div class="line"><a id="l00075" name="l00075"></a><span class="lineno"> 75</span> 51); <span class="comment">// the sum of the interval [5, 9]</span></div>
|
||||
<div class="line"><a id="l00076" name="l00076"></a><span class="lineno"> 76</span>}</div>
|
||||
</div>
|
||||
<div class="line"><a id="l00075" name="l00075"></a><span class="lineno"> 75</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="../../d1/d9e/prefix__sum__array_8cpp.html#ae66f6b31b5ad750f1fe042a706a4e3d4"> 80</a></span><span class="keywordtype">int</span> <a class="code hl_function" href="../../d1/d9e/prefix__sum__array_8cpp.html#ae66f6b31b5ad750f1fe042a706a4e3d4">main</a>() {</div>
|
||||
<div class="line"><a id="l00081" name="l00081"></a><span class="lineno"> 81</span> <a class="code hl_function" href="../../d1/d9e/prefix__sum__array_8cpp.html#aa8dca7b867074164d5f45b0f3851269d">test</a>(); <span class="comment">// run self-test implementations</span></div>
|
||||
<div class="line"><a id="l00082" name="l00082"></a><span class="lineno"> 82</span> <span class="keywordflow">return</span> 0;</div>
|
||||
<div class="line"><a id="l00083" name="l00083"></a><span class="lineno"> 83</span>}</div>
|
||||
<div class="line"><a id="l00077" name="l00077"></a><span class="lineno"> 77</span></div>
|
||||
<div class="foldopen" id="foldopen00082" data-start="{" data-end="}">
|
||||
<div class="line"><a id="l00082" name="l00082"></a><span class="lineno"><a class="line" href="../../d1/d9e/prefix__sum__array_8cpp.html#ae66f6b31b5ad750f1fe042a706a4e3d4"> 82</a></span><span class="keywordtype">int</span> <a class="code hl_function" href="../../d1/d9e/prefix__sum__array_8cpp.html#ae66f6b31b5ad750f1fe042a706a4e3d4">main</a>() {</div>
|
||||
<div class="line"><a id="l00083" name="l00083"></a><span class="lineno"> 83</span> <a class="code hl_function" href="../../d1/d9e/prefix__sum__array_8cpp.html#aa8dca7b867074164d5f45b0f3851269d">test</a>(); <span class="comment">// run self-test implementations</span></div>
|
||||
<div class="line"><a id="l00084" name="l00084"></a><span class="lineno"> 84</span> <span class="keywordflow">return</span> 0;</div>
|
||||
<div class="line"><a id="l00085" name="l00085"></a><span class="lineno"> 85</span>}</div>
|
||||
</div>
|
||||
<div class="ttc" id="anamespaceprefix__sum__array_html"><div class="ttname"><a href="../../d7/d88/namespaceprefix__sum__array.html">prefix_sum_array</a></div><div class="ttdoc">Range sum queries using prefix-sum-array.</div></div>
|
||||
<div class="ttc" id="anamespacerange__queries_html"><div class="ttname"><a href="../../dd/d69/namespacerange__queries.html">range_queries</a></div><div class="ttdoc">for std::vector</div><div class="ttdef"><b>Definition</b> <a href="../../d6/d2e/fenwick__tree_8cpp_source.html#l00028">fenwick_tree.cpp:28</a></div></div>
|
||||
<div class="ttc" id="aprefix__sum__array_8cpp_html_a7c8fd967c36dbba5fdf9c71faed604cf"><div class="ttname"><a href="../../d1/d9e/prefix__sum__array_8cpp.html#a7c8fd967c36dbba5fdf9c71faed604cf">range_queries::prefix_sum_array::query</a></div><div class="ttdeci">int64_t query(int64_t beg, int64_t end)</div><div class="ttdoc">query function</div><div class="ttdef"><b>Definition</b> <a href="#l00052">prefix_sum_array.cpp:52</a></div></div>
|
||||
<div class="ttc" id="aprefix__sum__array_8cpp_html_aa8dca7b867074164d5f45b0f3851269d"><div class="ttname"><a href="../../d1/d9e/prefix__sum__array_8cpp.html#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="#l00061">prefix_sum_array.cpp:61</a></div></div>
|
||||
<div class="ttc" id="aprefix__sum__array_8cpp_html_ab36151479ad37d53ef9fcb60a274b1d9"><div class="ttname"><a href="../../d1/d9e/prefix__sum__array_8cpp.html#ab36151479ad37d53ef9fcb60a274b1d9">range_queries::prefix_sum_array::build</a></div><div class="ttdeci">void build(std::vector< int64_t > original_array)</div><div class="ttdoc">function that builds the PSA</div><div class="ttdef"><b>Definition</b> <a href="#l00041">prefix_sum_array.cpp:41</a></div></div>
|
||||
<div class="ttc" id="aprefix__sum__array_8cpp_html_ae66f6b31b5ad750f1fe042a706a4e3d4"><div class="ttname"><a href="../../d1/d9e/prefix__sum__array_8cpp.html#ae66f6b31b5ad750f1fe042a706a4e3d4">main</a></div><div class="ttdeci">int main()</div><div class="ttdoc">Main function.</div><div class="ttdef"><b>Definition</b> <a href="#l00080">prefix_sum_array.cpp:80</a></div></div>
|
||||
<div class="ttc" id="aprefix__sum__array_8cpp_html_a7c8fd967c36dbba5fdf9c71faed604cf"><div class="ttname"><a href="../../d1/d9e/prefix__sum__array_8cpp.html#a7c8fd967c36dbba5fdf9c71faed604cf">range_queries::prefix_sum_array::query</a></div><div class="ttdeci">int64_t query(int64_t beg, int64_t end)</div><div class="ttdoc">query function</div><div class="ttdef"><b>Definition</b> <a href="#l00054">prefix_sum_array.cpp:54</a></div></div>
|
||||
<div class="ttc" id="aprefix__sum__array_8cpp_html_a98e118ed64ba95a8198e1a915459c177"><div class="ttname"><a href="../../d1/d9e/prefix__sum__array_8cpp.html#a98e118ed64ba95a8198e1a915459c177">range_queries::prefix_sum_array::build</a></div><div class="ttdeci">void build(const std::vector< int64_t > &original_array)</div><div class="ttdoc">function that builds the PSA</div><div class="ttdef"><b>Definition</b> <a href="#l00041">prefix_sum_array.cpp:41</a></div></div>
|
||||
<div class="ttc" id="aprefix__sum__array_8cpp_html_aa8dca7b867074164d5f45b0f3851269d"><div class="ttname"><a href="../../d1/d9e/prefix__sum__array_8cpp.html#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="#l00063">prefix_sum_array.cpp:63</a></div></div>
|
||||
<div class="ttc" id="aprefix__sum__array_8cpp_html_ae66f6b31b5ad750f1fe042a706a4e3d4"><div class="ttname"><a href="../../d1/d9e/prefix__sum__array_8cpp.html#ae66f6b31b5ad750f1fe042a706a4e3d4">main</a></div><div class="ttdeci">int main()</div><div class="ttdoc">Main function.</div><div class="ttdef"><b>Definition</b> <a href="#l00082">prefix_sum_array.cpp:82</a></div></div>
|
||||
</div><!-- fragment --></div><!-- contents -->
|
||||
</div><!-- doc-content -->
|
||||
</div><!-- container -->
|
||||
|
||||
@@ -279,8 +279,8 @@
|
||||
<a href="d1/d9a/hopcroft__karp_8cpp_source.html"/>
|
||||
<a href="d1/d9e/prefix__sum__array_8cpp.html"/>
|
||||
<a href="d1/d9e/prefix__sum__array_8cpp.html#a7c8fd967c36dbba5fdf9c71faed604cf"/>
|
||||
<a href="d1/d9e/prefix__sum__array_8cpp.html#a98e118ed64ba95a8198e1a915459c177"/>
|
||||
<a href="d1/d9e/prefix__sum__array_8cpp.html#aa8dca7b867074164d5f45b0f3851269d"/>
|
||||
<a href="d1/d9e/prefix__sum__array_8cpp.html#ab36151479ad37d53ef9fcb60a274b1d9"/>
|
||||
<a href="d1/d9e/prefix__sum__array_8cpp.html#ae66f6b31b5ad750f1fe042a706a4e3d4"/>
|
||||
<a href="d1/d9e/prefix__sum__array_8cpp_source.html"/>
|
||||
<a href="d1/da6/rungekutta_8cpp.html"/>
|
||||
|
||||
@@ -69,7 +69,7 @@ var searchData=
|
||||
['bubble_20sort_20algorithm_20analysis_20best_20case_20worst_20case_20average_20case_66',['Bubble Sort Algorithm Analysis (Best Case - Worst Case - Average Case)',['../d8/d13/bubble__sort_8cpp.html#autotoc_md111',1,'']]],
|
||||
['bubble_5fsort_67',['bubble_sort',['../d0/dd5/namespacebubble__sort.html',1,'bubble_sort'],['../d8/d13/bubble__sort_8cpp.html#af3b12930a83915712461d53fe9659686',1,'sorting::bubble_sort::bubble_sort()']]],
|
||||
['bubble_5fsort_2ecpp_68',['bubble_sort.cpp',['../d8/d13/bubble__sort_8cpp.html',1,'']]],
|
||||
['build_69',['build',['../d1/d9e/prefix__sum__array_8cpp.html#ab36151479ad37d53ef9fcb60a274b1d9',1,'range_queries::prefix_sum_array']]],
|
||||
['build_69',['build',['../d1/d9e/prefix__sum__array_8cpp.html#a98e118ed64ba95a8198e1a915459c177',1,'range_queries::prefix_sum_array']]],
|
||||
['building_20locally_70',['Building Locally',['../d6/dcd/md__c_o_n_t_r_i_b_u_t_i_n_g.html#autotoc_md37',1,'']]],
|
||||
['buzz_5fnumber_2ecpp_71',['buzz_number.cpp',['../d1/d76/buzz__number_8cpp.html',1,'']]]
|
||||
];
|
||||
|
||||
@@ -28,5 +28,5 @@ var searchData=
|
||||
['brute_5fforce_25',['brute_force',['../d9/d03/namespacestring__search.html#aeb2cd81064717aedd62bfb096b1a73d8',1,'string_search::brute_force()'],['../d3/d7d/brute__force__string__searching_8cpp.html#aeb2cd81064717aedd62bfb096b1a73d8',1,'brute_force(): brute_force_string_searching.cpp']]],
|
||||
['bst_5fnode_26',['bst_node',['../dd/db6/structbinary__search__tree_1_1bst__node.html#a51dd9bd6dd32bce3b74dd64557306778',1,'binary_search_tree::bst_node']]],
|
||||
['bubble_5fsort_27',['bubble_sort',['../d8/d13/bubble__sort_8cpp.html#af3b12930a83915712461d53fe9659686',1,'sorting::bubble_sort']]],
|
||||
['build_28',['build',['../d1/d9e/prefix__sum__array_8cpp.html#ab36151479ad37d53ef9fcb60a274b1d9',1,'range_queries::prefix_sum_array']]]
|
||||
['build_28',['build',['../d1/d9e/prefix__sum__array_8cpp.html#a98e118ed64ba95a8198e1a915459c177',1,'range_queries::prefix_sum_array']]]
|
||||
];
|
||||
|
||||
Reference in New Issue
Block a user