mirror of
https://github.com/TheAlgorithms/C-Plus-Plus.git
synced 2026-03-21 04:18:34 +08:00
233 lines
13 KiB
HTML
233 lines
13 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 1.14.0"/>
|
|
<meta name="viewport" content="width=device-width, initial-scale=1"/>
|
|
<title>TheAlgorithms/C++: others/fast_integer_input.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"> 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('d9/df0/fast__integer__input_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">fast_integer_input.cpp File Reference</div></div>
|
|
</div><!--header-->
|
|
<div class="contents">
|
|
|
|
<p>Read integers from stdin continuously as they are entered without waiting for the <span class="tt">\n</span> character.
|
|
<a href="#details">More...</a></p>
|
|
<div class="textblock"><code>#include <iostream></code><br />
|
|
</div><div class="textblock"><div class="dynheader">
|
|
Include dependency graph for fast_integer_input.cpp:</div>
|
|
<div class="dyncontent">
|
|
<div class="center"><iframe scrolling="no" loading="lazy" frameborder="0" src="../../dc/d40/fast__integer__input_8cpp__incl.svg" width="140" height="126"><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="../../d9/df0/fast__integer__input_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:a4e097ac8509b717bdc8ab09ecd86ae82" id="r_a4e097ac8509b717bdc8ab09ecd86ae82"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="#a4e097ac8509b717bdc8ab09ecd86ae82">fastinput</a> (int *number)</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>
|
|
</table>
|
|
<a name="details" id="details"></a><h2 id="header-details" class="groupheader">Detailed Description</h2>
|
|
<div class="textblock"><p>Read integers from stdin continuously as they are entered without waiting for the <span class="tt">\n</span> character. </p>
|
|
|
|
<p class="definition">Definition in file <a class="el" href="../../d9/df0/fast__integer__input_8cpp_source.html">fast_integer_input.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="a4e097ac8509b717bdc8ab09ecd86ae82" name="a4e097ac8509b717bdc8ab09ecd86ae82"></a>
|
|
<h2 class="memtitle"><span class="permalink"><a href="#a4e097ac8509b717bdc8ab09ecd86ae82">◆ </a></span>fastinput()</h2>
|
|
|
|
<div class="memitem">
|
|
<div class="memproto">
|
|
<table class="memname">
|
|
<tr>
|
|
<td class="memname">void fastinput </td>
|
|
<td>(</td>
|
|
<td class="paramtype">int *</td> <td class="paramname"><span class="paramname"><em>number</em></span></td><td>)</td>
|
|
<td></td>
|
|
</tr>
|
|
</table>
|
|
</div><div class="memdoc">
|
|
<p>Function to read the number from stdin. The function reads input until a non numeric character is entered. </p>
|
|
|
|
<p class="definition">Definition at line <a class="el" href="../../d9/df0/fast__integer__input_8cpp_source.html#l00011">11</a> of file <a class="el" href="../../d9/df0/fast__integer__input_8cpp_source.html">fast_integer_input.cpp</a>.</p>
|
|
<div class="fragment"><div class="line"><span class="lineno"> 11</span> {</div>
|
|
<div class="line"><span class="lineno"> 12</span> <span class="comment">// variable to indicate sign of input integer</span></div>
|
|
<div class="line"><span class="lineno"> 13</span> <span class="keywordtype">bool</span> negative = <span class="keyword">false</span>;</div>
|
|
<div class="line"><span class="lineno"> 14</span> <span class="keywordtype">int</span> c;</div>
|
|
<div class="line"><span class="lineno"> 15</span> *number = 0;</div>
|
|
<div class="line"><span class="lineno"> 16</span> </div>
|
|
<div class="line"><span class="lineno"> 17</span> <span class="comment">// extract current character from buffer</span></div>
|
|
<div class="line"><span class="lineno"> 18</span> c = std::getchar();</div>
|
|
<div class="line"><span class="lineno"> 19</span> <span class="keywordflow">if</span> (c == <span class="charliteral">'-'</span>) {</div>
|
|
<div class="line"><span class="lineno"> 20</span> <span class="comment">// number is negative</span></div>
|
|
<div class="line"><span class="lineno"> 21</span> negative = <span class="keyword">true</span>;</div>
|
|
<div class="line"><span class="lineno"> 22</span> </div>
|
|
<div class="line"><span class="lineno"> 23</span> <span class="comment">// extract the next character from the buffer</span></div>
|
|
<div class="line"><span class="lineno"> 24</span> c = std::getchar();</div>
|
|
<div class="line"><span class="lineno"> 25</span> }</div>
|
|
<div class="line"><span class="lineno"> 26</span> </div>
|
|
<div class="line"><span class="lineno"> 27</span> <span class="comment">// Keep on extracting characters if they are integers</span></div>
|
|
<div class="line"><span class="lineno"> 28</span> <span class="comment">// i.e ASCII Value lies from '0'(48) to '9' (57)</span></div>
|
|
<div class="line"><span class="lineno"> 29</span> <span class="keywordflow">for</span> (; (c > 47 && c < 58); c = std::getchar())</div>
|
|
<div class="line"><span class="lineno"> 30</span> *number = *number * 10 + c - 48;</div>
|
|
<div class="line"><span class="lineno"> 31</span> </div>
|
|
<div class="line"><span class="lineno"> 32</span> <span class="comment">// if scanned input has a negative sign, negate the</span></div>
|
|
<div class="line"><span class="lineno"> 33</span> <span class="comment">// value of the input number</span></div>
|
|
<div class="line"><span class="lineno"> 34</span> <span class="keywordflow">if</span> (negative)</div>
|
|
<div class="line"><span class="lineno"> 35</span> *(number) *= -1;</div>
|
|
<div class="line"><span class="lineno"> 36</span>}</div>
|
|
</div><!-- fragment -->
|
|
</div>
|
|
</div>
|
|
<a id="ae66f6b31b5ad750f1fe042a706a4e3d4" name="ae66f6b31b5ad750f1fe042a706a4e3d4"></a>
|
|
<h2 class="memtitle"><span class="permalink"><a href="#ae66f6b31b5ad750f1fe042a706a4e3d4">◆ </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="../../d9/df0/fast__integer__input_8cpp_source.html#l00039">39</a> of file <a class="el" href="../../d9/df0/fast__integer__input_8cpp_source.html">fast_integer_input.cpp</a>.</p>
|
|
<div class="fragment"><div class="line"><span class="lineno"> 39</span> {</div>
|
|
<div class="line"><span class="lineno"> 40</span> <span class="keywordtype">int</span> number;</div>
|
|
<div class="line"><span class="lineno"> 41</span> <a class="code hl_function" href="#a4e097ac8509b717bdc8ab09ecd86ae82">fastinput</a>(&number);</div>
|
|
<div class="line"><span class="lineno"> 42</span> std::cout << number << std::endl;</div>
|
|
<div class="line"><span class="lineno"> 43</span> <span class="keywordflow">return</span> 0;</div>
|
|
<div class="line"><span class="lineno"> 44</span>}</div>
|
|
<div class="ttc" id="afast__integer__input_8cpp_html_a4e097ac8509b717bdc8ab09ecd86ae82"><div class="ttname"><a href="#a4e097ac8509b717bdc8ab09ecd86ae82">fastinput</a></div><div class="ttdeci">void fastinput(int *number)</div><div class="ttdef"><b>Definition</b> <a href="../../d9/df0/fast__integer__input_8cpp_source.html#l00011">fast_integer_input.cpp:11</a></div></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="../../d9/df0/fast__integer__input_8cpp.html">fast_integer_input.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>
|