backup/C-Plus-Plus
1
0
Fork 0
mirror of https://github.com/TheAlgorithms/C-Plus-Plus.git synced 2026-03-21 12:23:13 +08:00
Code Issues Projects Releases Wiki Activity
Files
766630cc7008aec2e1ab31ed2c956bbdac6bdce0
C-Plus-Plus/db/d07/spiral__print_8cpp.html
realstealthninja b41207008f Documentation for f1eddf4d65
2025-07-09 10:53:16 +00:00

317 lines
18 KiB
HTML
Raw Blame History

<!-- 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 1.14.0"/>
<meta name="viewport" content="width=device-width, initial-scale=1"/>
<title>TheAlgorithms/C++: others/spiral_print.cpp File Reference</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="../../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">&#160;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 1.14.0 -->
<script type="text/javascript">
var searchBox = new SearchBox("searchBox", "../../search/",'.html');
</script>
<script type="text/javascript">
$(function() { codefold.init(); });
</script>
<script type="text/javascript" src="../../menudata.js"></script>
<script type="text/javascript" src="../../menu.js"></script>
<script type="text/javascript">
$(function() {
initMenu('../../',true,false,'search.php','Search',true);
$(function() { init_search(); });
});
</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">
$(function(){initNavTree('db/d07/spiral__print_8cpp.html','../../',''); });
</script>
<div id="container">
<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">spiral_print.cpp File Reference</div></div>
</div><!--header-->
<div class="contents">
<p>Print the elements of a matrix traversing it spirally.
<a href="#details">More...</a></p>
<div class="textblock"><code>#include &lt;iostream&gt;</code><br />
</div><div class="textblock"><div class="dynheader">
Include dependency graph for spiral_print.cpp:</div>
<div class="dyncontent">
<div class="center"><iframe scrolling="no" loading="lazy" frameborder="0" src="../../d7/d4c/spiral__print_8cpp__incl.svg" width="160" height="111"><p><b>This browser is not able to show SVG: try Firefox, Chrome, Safari, or Opera instead.</b></p></iframe></div>
</div>
</div>
<p><a href="../../db/d07/spiral__print_8cpp_source.html">Go to the source code of this file.</a></p>
<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:acfff36db81326fb990a643ab198ee8a5" id="r_acfff36db81326fb990a643ab198ee8a5"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="#acfff36db81326fb990a643ab198ee8a5">genArray</a> (int **a, int r, int c)</td></tr>
<tr class="memitem:a850d3f55e1a8d227176cdcc67352c197" id="r_a850d3f55e1a8d227176cdcc67352c197"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="#a850d3f55e1a8d227176cdcc67352c197">spiralPrint</a> (int **a, int r, int c)</td></tr>
<tr class="memitem:ae66f6b31b5ad750f1fe042a706a4e3d4" id="r_ae66f6b31b5ad750f1fe042a706a4e3d4"><td class="memItemLeft" align="right" valign="top">int&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="#ae66f6b31b5ad750f1fe042a706a4e3d4">main</a> ()</td></tr>
</table>
<a name="details" id="details"></a><h2 id="header-details" class="groupheader">Detailed Description</h2>
<div class="textblock"><p>Print the elements of a matrix traversing it spirally. </p>
<p class="definition">Definition in file <a class="el" href="../../db/d07/spiral__print_8cpp_source.html">spiral_print.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="acfff36db81326fb990a643ab198ee8a5" name="acfff36db81326fb990a643ab198ee8a5"></a>
<h2 class="memtitle"><span class="permalink"><a href="#acfff36db81326fb990a643ab198ee8a5">&#9670;&#160;</a></span>genArray()</h2>
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname">void genArray </td>
<td>(</td>
<td class="paramtype">int **</td> <td class="paramname"><span class="paramname"><em>a</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>c</em></span>&#160;)</td>
</tr>
</table>
</div><div class="memdoc">
<p>Arrange sequence of numbers from '1' in a matrix form </p><dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramdir">[out]</td><td class="paramname">a</td><td>matrix to fill </td></tr>
<tr><td class="paramdir">[in]</td><td class="paramname">r</td><td>number of rows </td></tr>
<tr><td class="paramdir">[in]</td><td class="paramname">c</td><td>number of columns </td></tr>
</table>
</dd>
</dl>
<p class="definition">Definition at line <a class="el" href="../../db/d07/spiral__print_8cpp_source.html#l00012">12</a> of file <a class="el" href="../../db/d07/spiral__print_8cpp_source.html">spiral_print.cpp</a>.</p>
<div class="fragment"><div class="line"><span class="lineno"> 12</span> {</div>
<div class="line"><span class="lineno"> 13</span> <span class="keywordtype">int</span> value = 1;</div>
<div class="line"><span class="lineno"> 14</span> <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i &lt; r; i++) {</div>
<div class="line"><span class="lineno"> 15</span> <span class="keywordflow">for</span> (<span class="keywordtype">int</span> j = 0; j &lt; c; j++) {</div>
<div class="line"><span class="lineno"> 16</span> a[i][j] = value;</div>
<div class="line"><span class="lineno"> 17</span> std::cout &lt;&lt; a[i][j] &lt;&lt; <span class="stringliteral">&quot; &quot;</span>;</div>
<div class="line"><span class="lineno"> 18</span> value++;</div>
<div class="line"><span class="lineno"> 19</span> }</div>
<div class="line"><span class="lineno"> 20</span> std::cout &lt;&lt; std::endl;</div>
<div class="line"><span class="lineno"> 21</span> }</div>
<div class="line"><span class="lineno"> 22</span>}</div>
</div><!-- fragment -->
</div>
</div>
<a id="ae66f6b31b5ad750f1fe042a706a4e3d4" name="ae66f6b31b5ad750f1fe042a706a4e3d4"></a>
<h2 class="memtitle"><span class="permalink"><a href="#ae66f6b31b5ad750f1fe042a706a4e3d4">&#9670;&#160;</a></span>main()</h2>
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname">int main </td>
<td>(</td>
<td class="paramtype">void</td> <td class="paramname"><span class="paramname"><em></em></span></td><td>)</td>
<td></td>
</tr>
</table>
</div><div class="memdoc">
<p>main function </p>
<p class="definition">Definition at line <a class="el" href="../../db/d07/spiral__print_8cpp_source.html#l00069">69</a> of file <a class="el" href="../../db/d07/spiral__print_8cpp_source.html">spiral_print.cpp</a>.</p>
<div class="fragment"><div class="line"><span class="lineno"> 69</span> {</div>
<div class="line"><span class="lineno"> 70</span> <span class="keywordtype">int</span> r, c;</div>
<div class="line"><span class="lineno"> 71</span> std::cin &gt;&gt; r &gt;&gt; c;</div>
<div class="line"><span class="lineno"> 72</span> <span class="keywordtype">int</span> **a = <span class="keyword">new</span> <span class="keywordtype">int</span> *[r];</div>
<div class="line"><span class="lineno"> 73</span> <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i &lt; r; i++) a[i] = <span class="keyword">new</span> <span class="keywordtype">int</span>[c];</div>
<div class="line"><span class="lineno"> 74</span> </div>
<div class="line"><span class="lineno"> 75</span> <a class="code hl_function" href="#acfff36db81326fb990a643ab198ee8a5">genArray</a>(a, r, c);</div>
<div class="line"><span class="lineno"> 76</span> <a class="code hl_function" href="#a850d3f55e1a8d227176cdcc67352c197">spiralPrint</a>(a, r, c);</div>
<div class="line"><span class="lineno"> 77</span> </div>
<div class="line"><span class="lineno"> 78</span> <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i &lt; r; i++) <span class="keyword">delete</span>[] a[i];</div>
<div class="line"><span class="lineno"> 79</span> <span class="keyword">delete</span>[] a;</div>
<div class="line"><span class="lineno"> 80</span> <span class="keywordflow">return</span> 0;</div>
<div class="line"><span class="lineno"> 81</span>}</div>
<div class="ttc" id="aspiral__print_8cpp_html_a850d3f55e1a8d227176cdcc67352c197"><div class="ttname"><a href="#a850d3f55e1a8d227176cdcc67352c197">spiralPrint</a></div><div class="ttdeci">void spiralPrint(int **a, int r, int c)</div><div class="ttdef"><b>Definition</b> <a href="../../db/d07/spiral__print_8cpp_source.html#l00029">spiral_print.cpp:29</a></div></div>
<div class="ttc" id="aspiral__print_8cpp_html_acfff36db81326fb990a643ab198ee8a5"><div class="ttname"><a href="#acfff36db81326fb990a643ab198ee8a5">genArray</a></div><div class="ttdeci">void genArray(int **a, int r, int c)</div><div class="ttdef"><b>Definition</b> <a href="../../db/d07/spiral__print_8cpp_source.html#l00012">spiral_print.cpp:12</a></div></div>
</div><!-- fragment -->
</div>
</div>
<a id="a850d3f55e1a8d227176cdcc67352c197" name="a850d3f55e1a8d227176cdcc67352c197"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a850d3f55e1a8d227176cdcc67352c197">&#9670;&#160;</a></span>spiralPrint()</h2>
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname">void spiralPrint </td>
<td>(</td>
<td class="paramtype">int **</td> <td class="paramname"><span class="paramname"><em>a</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>c</em></span>&#160;)</td>
</tr>
</table>
</div><div class="memdoc">
<p>Traverse the matrix spirally and print the sequence of elements </p><dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramdir">[in]</td><td class="paramname">a</td><td>matrix to read from </td></tr>
<tr><td class="paramdir">[in]</td><td class="paramname">r</td><td>number of rows </td></tr>
<tr><td class="paramdir">[in]</td><td class="paramname">c</td><td>number of columns </td></tr>
</table>
</dd>
</dl>
<p>Print start row</p>
<p>Print the end col</p>
<p>Print the end row</p>
<p>Print the start Col</p>
<p class="definition">Definition at line <a class="el" href="../../db/d07/spiral__print_8cpp_source.html#l00029">29</a> of file <a class="el" href="../../db/d07/spiral__print_8cpp_source.html">spiral_print.cpp</a>.</p>
<div class="fragment"><div class="line"><span class="lineno"> 29</span> {</div>
<div class="line"><span class="lineno"> 30</span> <span class="keywordtype">int</span> startRow = 0, endRow = r - 1;</div>
<div class="line"><span class="lineno"> 31</span> <span class="keywordtype">int</span> startCol = 0, endCol = c - 1;</div>
<div class="line"><span class="lineno"> 32</span> <span class="keywordtype">int</span> cnt = 0;</div>
<div class="line"><span class="lineno"> 33</span> </div>
<div class="line"><span class="lineno"> 34</span> <span class="keywordflow">while</span> (startRow &lt;= endRow &amp;&amp; startCol &lt;= endCol) {</div>
<div class="line"><span class="lineno"> 36</span> <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = startCol; i &lt;= endCol; i++, cnt++) {</div>
<div class="line"><span class="lineno"> 37</span> std::cout &lt;&lt; a[startRow][i] &lt;&lt; <span class="stringliteral">&quot; &quot;</span>;</div>
<div class="line"><span class="lineno"> 38</span> }</div>
<div class="line"><span class="lineno"> 39</span> startRow++;</div>
<div class="line"><span class="lineno"> 40</span></div>
<div class="line"><span class="lineno"> 42</span> <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = startRow; i &lt;= endRow; i++, cnt++) {</div>
<div class="line"><span class="lineno"> 43</span> std::cout &lt;&lt; a[i][endCol] &lt;&lt; <span class="stringliteral">&quot; &quot;</span>;</div>
<div class="line"><span class="lineno"> 44</span> }</div>
<div class="line"><span class="lineno"> 45</span> endCol--;</div>
<div class="line"><span class="lineno"> 46</span></div>
<div class="line"><span class="lineno"> 48</span> <span class="keywordflow">if</span> (cnt == r * c) {</div>
<div class="line"><span class="lineno"> 49</span> <span class="keywordflow">break</span>;</div>
<div class="line"><span class="lineno"> 50</span> }</div>
<div class="line"><span class="lineno"> 51</span> </div>
<div class="line"><span class="lineno"> 52</span> <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = endCol; i &gt;= startCol; i--, cnt++) {</div>
<div class="line"><span class="lineno"> 53</span> std::cout &lt;&lt; a[endRow][i] &lt;&lt; <span class="stringliteral">&quot; &quot;</span>;</div>
<div class="line"><span class="lineno"> 54</span> }</div>
<div class="line"><span class="lineno"> 55</span> endRow--;</div>
<div class="line"><span class="lineno"> 56</span></div>
<div class="line"><span class="lineno"> 58</span> <span class="keywordflow">if</span> (cnt == r * c) {</div>
<div class="line"><span class="lineno"> 59</span> <span class="keywordflow">break</span>;</div>
<div class="line"><span class="lineno"> 60</span> }</div>
<div class="line"><span class="lineno"> 61</span> <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = endRow; i &gt;= startRow; i--, cnt++) {</div>
<div class="line"><span class="lineno"> 62</span> std::cout &lt;&lt; a[i][startCol] &lt;&lt; <span class="stringliteral">&quot; &quot;</span>;</div>
<div class="line"><span class="lineno"> 63</span> }</div>
<div class="line"><span class="lineno"> 64</span> startCol++;</div>
<div class="line"><span class="lineno"> 65</span> }</div>
<div class="line"><span class="lineno"> 66</span>}</div>
</div><!-- fragment -->
</div>
</div>
</div><!-- contents -->
</div><!-- doc-content -->
<div id="page-nav" class="page-nav-panel">
<div id="page-nav-resize-handle"></div>
<div id="page-nav-tree">
<div id="page-nav-contents">
</div><!-- page-nav-contents -->
</div><!-- page-nav-tree -->
</div><!-- page-nav -->
</div><!-- container -->
<!-- start footer part -->
<div id="nav-path" class="navpath"><!-- id is needed for treeview function! -->
<ul>
<li class="navelem"><a href="../../dir_9510827d0b234b3cc54b29892f217477.html">others</a></li><li class="navelem"><a href="../../db/d07/spiral__print_8cpp.html">spiral_print.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> 1.14.0 </li>
</ul>
</div>
</body>
</html>
Reference in New Issue View Git Blame Copy Permalink