mirror of
https://github.com/TheAlgorithms/C-Plus-Plus.git
synced 2026-03-22 04:42:10 +08:00
205 lines
16 KiB
HTML
205 lines
16 KiB
HTML
<!-- HTML header for doxygen 1.12.0-->
|
|
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "https://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
|
|
<html xmlns="http://www.w3.org/1999/xhtml" lang="en-US">
|
|
<head>
|
|
<meta http-equiv="Content-Type" content="text/xhtml;charset=UTF-8"/>
|
|
<meta http-equiv="X-UA-Compatible" content="IE=11"/>
|
|
<meta name="generator" content="Doxygen 1.13.2"/>
|
|
<meta name="viewport" content="width=device-width, initial-scale=1"/>
|
|
<title>TheAlgorithms/C++: others/pascal_triangle.cpp Source File</title>
|
|
<link rel="icon" href="../../favicon.svg" type="image/x-icon" />
|
|
<link href="../../tabs.css" rel="stylesheet" type="text/css"/>
|
|
<script type="text/javascript" src="../../jquery.js"></script>
|
|
<script type="text/javascript" src="../../dynsections.js"></script>
|
|
<script type="text/javascript" src="https://cdn.jsdelivr.net/npm/@xpack-3rd-party/doxygen-awesome-css@2.2.0-1/doxygen-awesome-darkmode-toggle.js"></script>
|
|
<script type="text/javascript">
|
|
DoxygenAwesomeDarkModeToggle.init()
|
|
</script>
|
|
<script type="text/javascript" src="../../clipboard.js"></script>
|
|
<link href="../../navtree.css" rel="stylesheet" type="text/css"/>
|
|
<script type="text/javascript" src="../../navtreedata.js"></script>
|
|
<script type="text/javascript" src="../../navtree.js"></script>
|
|
<script type="text/javascript" src="../../resize.js"></script>
|
|
<script type="text/javascript" src="../../cookie.js"></script>
|
|
<link href="../../search/search.css" rel="stylesheet" type="text/css"/>
|
|
<script type="text/javascript" src="../../search/searchdata.js"></script>
|
|
<script type="text/javascript" src="../../search/search.js"></script>
|
|
<script type="text/javascript">
|
|
window.MathJax = {
|
|
options: {
|
|
ignoreHtmlClass: 'tex2jax_ignore',
|
|
processHtmlClass: 'tex2jax_process'
|
|
},
|
|
loader: {
|
|
load: ['[tex]/ams']
|
|
},
|
|
tex: {
|
|
macros: {},
|
|
packages: ['base','configmacros','ams']
|
|
}
|
|
};
|
|
</script>
|
|
<script type="text/javascript" id="MathJax-script" async="async" src="https://cdn.jsdelivr.net/npm/mathjax@3/es5/tex-chtml.js"></script>
|
|
<link href="../../doxygen.css" rel="stylesheet" type="text/css" />
|
|
<link href="../../doxygen-awesome.css" rel="stylesheet" type="text/css"/>
|
|
</head>
|
|
<body>
|
|
<div id="top"><!-- do not remove this div, it is closed by doxygen! -->
|
|
<div id="titlearea">
|
|
<table cellspacing="0" cellpadding="0">
|
|
<tbody>
|
|
<tr id="projectrow">
|
|
<td id="projectlogo"><img alt="Logo" src="../../project_logo.png"/></td>
|
|
<td id="projectalign">
|
|
<div id="projectname">TheAlgorithms/C++<span id="projectnumber"> 1.0.0</span>
|
|
</div>
|
|
<div id="projectbrief">All the algorithms implemented in C++</div>
|
|
</td>
|
|
</tr>
|
|
</tbody>
|
|
</table>
|
|
</div>
|
|
<!-- end header part -->
|
|
<!-- Generated by Doxygen 1.13.2 -->
|
|
<script type="text/javascript">
|
|
/* @license magnet:?xt=urn:btih:d3d9a9a6595521f9666a5e94cc830dab83b65699&dn=expat.txt MIT */
|
|
var searchBox = new SearchBox("searchBox", "../../search/",'.html');
|
|
/* @license-end */
|
|
</script>
|
|
<script type="text/javascript">
|
|
/* @license magnet:?xt=urn:btih:d3d9a9a6595521f9666a5e94cc830dab83b65699&dn=expat.txt MIT */
|
|
$(function() { codefold.init(1); });
|
|
/* @license-end */
|
|
</script>
|
|
<script type="text/javascript" src="../../menudata.js"></script>
|
|
<script type="text/javascript" src="../../menu.js"></script>
|
|
<script type="text/javascript">
|
|
/* @license magnet:?xt=urn:btih:d3d9a9a6595521f9666a5e94cc830dab83b65699&dn=expat.txt MIT */
|
|
$(function() {
|
|
initMenu('../../',true,false,'search.php','Search',true);
|
|
$(function() { init_search(); });
|
|
});
|
|
/* @license-end */
|
|
</script>
|
|
<div id="main-nav"></div>
|
|
</div><!-- top -->
|
|
<div id="side-nav" class="ui-resizable side-nav-resizable">
|
|
<div id="nav-tree">
|
|
<div id="nav-tree-contents">
|
|
<div id="nav-sync" class="sync"></div>
|
|
</div>
|
|
</div>
|
|
<div id="splitbar" style="-moz-user-select:none;"
|
|
class="ui-resizable-handle">
|
|
</div>
|
|
</div>
|
|
<script type="text/javascript">
|
|
/* @license magnet:?xt=urn:btih:d3d9a9a6595521f9666a5e94cc830dab83b65699&dn=expat.txt MIT */
|
|
$(function(){initNavTree('dc/d1a/pascal__triangle_8cpp_source.html','../../'); initResizable(true); });
|
|
/* @license-end */
|
|
</script>
|
|
<div id="doc-content">
|
|
<!-- window showing the filter options -->
|
|
<div id="MSearchSelectWindow"
|
|
onmouseover="return searchBox.OnSearchSelectShow()"
|
|
onmouseout="return searchBox.OnSearchSelectHide()"
|
|
onkeydown="return searchBox.OnSearchSelectKey(event)">
|
|
</div>
|
|
|
|
<!-- iframe showing the search results (closed by default) -->
|
|
<div id="MSearchResultsWindow">
|
|
<div id="MSearchResults">
|
|
<div class="SRPage">
|
|
<div id="SRIndex">
|
|
<div id="SRResults"></div>
|
|
<div class="SRStatus" id="Loading">Loading...</div>
|
|
<div class="SRStatus" id="Searching">Searching...</div>
|
|
<div class="SRStatus" id="NoMatches">No Matches</div>
|
|
</div>
|
|
</div>
|
|
</div>
|
|
</div>
|
|
|
|
<div class="header">
|
|
<div class="headertitle"><div class="title">pascal_triangle.cpp</div></div>
|
|
</div><!--header-->
|
|
<div class="contents">
|
|
<a href="../../dc/d1a/pascal__triangle_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="l00005" name="l00005"></a><span class="lineno"> 5</span><span class="preprocessor">#ifdef _MSC_VER</span></div>
|
|
<div class="line"><a id="l00006" name="l00006"></a><span class="lineno"> 6</span><span class="preprocessor">#include <string></span> <span class="comment">// required for Visual C</span></div>
|
|
<div class="line"><a id="l00007" name="l00007"></a><span class="lineno"> 7</span><span class="preprocessor">#else</span></div>
|
|
<div class="line"><a id="l00008" name="l00008"></a><span class="lineno"> 8</span><span class="preprocessor">#include <cstring></span></div>
|
|
<div class="line"><a id="l00009" name="l00009"></a><span class="lineno"> 9</span><span class="preprocessor">#endif</span></div>
|
|
<div class="line"><a id="l00010" name="l00010"></a><span class="lineno"> 10</span><span class="preprocessor">#include <iomanip></span></div>
|
|
<div class="line"><a id="l00011" name="l00011"></a><span class="lineno"> 11</span><span class="preprocessor">#include <iostream></span></div>
|
|
<div class="line"><a id="l00012" name="l00012"></a><span class="lineno"> 12</span></div>
|
|
<div class="foldopen" id="foldopen00018" data-start="{" data-end="}">
|
|
<div class="line"><a id="l00018" name="l00018"></a><span class="lineno"><a class="line" href="../../dc/d1a/pascal__triangle_8cpp.html#ad7a31d9cb2818d21b1ba12aead7f4c5c"> 18</a></span><span class="keywordtype">void</span> <a class="code hl_function" href="../../dc/d1a/pascal__triangle_8cpp.html#ad7a31d9cb2818d21b1ba12aead7f4c5c">show_pascal</a>(<span class="keywordtype">int</span> **arr, <span class="keywordtype">int</span> n) {</div>
|
|
<div class="line"><a id="l00019" name="l00019"></a><span class="lineno"> 19</span> <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i < n; ++i) {</div>
|
|
<div class="line"><a id="l00020" name="l00020"></a><span class="lineno"> 20</span> <span class="keywordflow">for</span> (<span class="keywordtype">int</span> j = 0; j < n + i; ++j) {</div>
|
|
<div class="line"><a id="l00021" name="l00021"></a><span class="lineno"> 21</span> <span class="keywordflow">if</span> (arr[i][j] == 0)</div>
|
|
<div class="line"><a id="l00022" name="l00022"></a><span class="lineno"> 22</span> std::cout << std::setw(4) << <span class="stringliteral">" "</span>;</div>
|
|
<div class="line"><a id="l00023" name="l00023"></a><span class="lineno"> 23</span> <span class="keywordflow">else</span></div>
|
|
<div class="line"><a id="l00024" name="l00024"></a><span class="lineno"> 24</span> std::cout << std::setw(4) << arr[i][j];</div>
|
|
<div class="line"><a id="l00025" name="l00025"></a><span class="lineno"> 25</span> }</div>
|
|
<div class="line"><a id="l00026" name="l00026"></a><span class="lineno"> 26</span> std::cout << std::endl;</div>
|
|
<div class="line"><a id="l00027" name="l00027"></a><span class="lineno"> 27</span> }</div>
|
|
<div class="line"><a id="l00028" name="l00028"></a><span class="lineno"> 28</span>}</div>
|
|
</div>
|
|
<div class="line"><a id="l00029" name="l00029"></a><span class="lineno"> 29</span></div>
|
|
<div class="foldopen" id="foldopen00036" data-start="{" data-end="}">
|
|
<div class="line"><a id="l00036" name="l00036"></a><span class="lineno"><a class="line" href="../../dc/d1a/pascal__triangle_8cpp.html#a4fc0e5a112f715c3a73989450b2cc5fd"> 36</a></span><span class="keywordtype">int</span> **<a class="code hl_function" href="../../dc/d1a/pascal__triangle_8cpp.html#a4fc0e5a112f715c3a73989450b2cc5fd">pascal_triangle</a>(<span class="keywordtype">int</span> **arr, <span class="keywordtype">int</span> n) {</div>
|
|
<div class="line"><a id="l00037" name="l00037"></a><span class="lineno"> 37</span> <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i < n; ++i) {</div>
|
|
<div class="line"><a id="l00038" name="l00038"></a><span class="lineno"> 38</span> <span class="keywordflow">for</span> (<span class="keywordtype">int</span> j = n - i - 1; j < n + i; ++j) {</div>
|
|
<div class="line"><a id="l00039" name="l00039"></a><span class="lineno"> 39</span> <span class="keywordflow">if</span> (j == n - i - 1 || j == n + i - 1)</div>
|
|
<div class="line"><a id="l00040" name="l00040"></a><span class="lineno"> 40</span> arr[i][j] = 1; <span class="comment">// The edge of the Pascal triangle goes in 1</span></div>
|
|
<div class="line"><a id="l00041" name="l00041"></a><span class="lineno"> 41</span> <span class="keywordflow">else</span></div>
|
|
<div class="line"><a id="l00042" name="l00042"></a><span class="lineno"> 42</span> arr[i][j] = arr[i - 1][j - 1] + arr[i - 1][j + 1];</div>
|
|
<div class="line"><a id="l00043" name="l00043"></a><span class="lineno"> 43</span> }</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="l00046" name="l00046"></a><span class="lineno"> 46</span> <span class="keywordflow">return</span> arr;</div>
|
|
<div class="line"><a id="l00047" name="l00047"></a><span class="lineno"> 47</span>}</div>
|
|
</div>
|
|
<div class="line"><a id="l00048" name="l00048"></a><span class="lineno"> 48</span></div>
|
|
<div class="foldopen" id="foldopen00052" data-start="{" data-end="}">
|
|
<div class="line"><a id="l00052" name="l00052"></a><span class="lineno"><a class="line" href="../../dc/d1a/pascal__triangle_8cpp.html#ae66f6b31b5ad750f1fe042a706a4e3d4"> 52</a></span><span class="keywordtype">int</span> <a class="code hl_function" href="../../dc/d1a/pascal__triangle_8cpp.html#ae66f6b31b5ad750f1fe042a706a4e3d4">main</a>() {</div>
|
|
<div class="line"><a id="l00053" name="l00053"></a><span class="lineno"> 53</span> <span class="keywordtype">int</span> n = 0;</div>
|
|
<div class="line"><a id="l00054" name="l00054"></a><span class="lineno"> 54</span> </div>
|
|
<div class="line"><a id="l00055" name="l00055"></a><span class="lineno"> 55</span> std::cout << <span class="stringliteral">"Set Pascal's Triangle Height"</span> << std::endl;</div>
|
|
<div class="line"><a id="l00056" name="l00056"></a><span class="lineno"> 56</span> std::cin >> n;</div>
|
|
<div class="line"><a id="l00057" name="l00057"></a><span class="lineno"> 57</span> </div>
|
|
<div class="line"><a id="l00058" name="l00058"></a><span class="lineno"> 58</span> <span class="comment">// memory allocation (Assign two-dimensional array to store Pascal triangle)</span></div>
|
|
<div class="line"><a id="l00059" name="l00059"></a><span class="lineno"> 59</span> <span class="keywordtype">int</span> **arr = <span class="keyword">new</span> <span class="keywordtype">int</span> *[n];</div>
|
|
<div class="line"><a id="l00060" name="l00060"></a><span class="lineno"> 60</span> <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i < n; ++i) {</div>
|
|
<div class="line"><a id="l00061" name="l00061"></a><span class="lineno"> 61</span> arr[i] = <span class="keyword">new</span> <span class="keywordtype">int</span>[2 * n - 1];</div>
|
|
<div class="line"><a id="l00062" name="l00062"></a><span class="lineno"> 62</span> memset(arr[i], 0, <span class="keyword">sizeof</span>(<span class="keywordtype">int</span>) * (2 * n - 1));</div>
|
|
<div class="line"><a id="l00063" name="l00063"></a><span class="lineno"> 63</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="../../dc/d1a/pascal__triangle_8cpp.html#a4fc0e5a112f715c3a73989450b2cc5fd">pascal_triangle</a>(arr, n);</div>
|
|
<div class="line"><a id="l00066" name="l00066"></a><span class="lineno"> 66</span> <a class="code hl_function" href="../../dc/d1a/pascal__triangle_8cpp.html#ad7a31d9cb2818d21b1ba12aead7f4c5c">show_pascal</a>(arr, n);</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> <span class="comment">// deallocation</span></div>
|
|
<div class="line"><a id="l00069" name="l00069"></a><span class="lineno"> 69</span> <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i < n; ++i) {</div>
|
|
<div class="line"><a id="l00070" name="l00070"></a><span class="lineno"> 70</span> <span class="keyword">delete</span>[] arr[i];</div>
|
|
<div class="line"><a id="l00071" name="l00071"></a><span class="lineno"> 71</span> }</div>
|
|
<div class="line"><a id="l00072" name="l00072"></a><span class="lineno"> 72</span> <span class="keyword">delete</span>[] arr;</div>
|
|
<div class="line"><a id="l00073" name="l00073"></a><span class="lineno"> 73</span> </div>
|
|
<div class="line"><a id="l00074" name="l00074"></a><span class="lineno"> 74</span> <span class="keywordflow">return</span> 0;</div>
|
|
<div class="line"><a id="l00075" name="l00075"></a><span class="lineno"> 75</span>}</div>
|
|
</div>
|
|
<div class="ttc" id="apascal__triangle_8cpp_html_a4fc0e5a112f715c3a73989450b2cc5fd"><div class="ttname"><a href="../../dc/d1a/pascal__triangle_8cpp.html#a4fc0e5a112f715c3a73989450b2cc5fd">pascal_triangle</a></div><div class="ttdeci">int ** pascal_triangle(int **arr, int n)</div><div class="ttdef"><b>Definition</b> <a href="#l00036">pascal_triangle.cpp:36</a></div></div>
|
|
<div class="ttc" id="apascal__triangle_8cpp_html_ad7a31d9cb2818d21b1ba12aead7f4c5c"><div class="ttname"><a href="../../dc/d1a/pascal__triangle_8cpp.html#ad7a31d9cb2818d21b1ba12aead7f4c5c">show_pascal</a></div><div class="ttdeci">void show_pascal(int **arr, int n)</div><div class="ttdef"><b>Definition</b> <a href="#l00018">pascal_triangle.cpp:18</a></div></div>
|
|
<div class="ttc" id="apascal__triangle_8cpp_html_ae66f6b31b5ad750f1fe042a706a4e3d4"><div class="ttname"><a href="../../dc/d1a/pascal__triangle_8cpp.html#ae66f6b31b5ad750f1fe042a706a4e3d4">main</a></div><div class="ttdeci">int main()</div><div class="ttdef"><b>Definition</b> <a href="#l00052">pascal_triangle.cpp:52</a></div></div>
|
|
</div><!-- fragment --></div><!-- contents -->
|
|
</div><!-- doc-content -->
|
|
<!-- start footer part -->
|
|
<div id="nav-path" class="navpath"><!-- id is needed for treeview function! -->
|
|
<ul>
|
|
<li class="navelem"><a class="el" href="../../dir_9510827d0b234b3cc54b29892f217477.html">others</a></li><li class="navelem"><a class="el" href="../../dc/d1a/pascal__triangle_8cpp.html">pascal_triangle.cpp</a></li>
|
|
<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> 1.13.2 </li>
|
|
</ul>
|
|
</div>
|
|
</body>
|
|
</html>
|