﻿<?xml version="1.0" encoding="utf-8" standalone="yes"?><rss version="2.0" xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:trackback="http://madskills.com/public/xml/rss/module/trackback/" xmlns:wfw="http://wellformedweb.org/CommentAPI/" xmlns:slash="http://purl.org/rss/1.0/modules/slash/"><channel><title>C++博客-Headacher</title><link>http://www.cppblog.com/RyanWang/</link><description>学习笔记，从一点一滴做起。</description><language>zh-cn</language><lastBuildDate>Thu, 23 Apr 2026 04:11:34 GMT</lastBuildDate><pubDate>Thu, 23 Apr 2026 04:11:34 GMT</pubDate><ttl>60</ttl><item><title>这个博客就到这里吧</title><link>http://www.cppblog.com/RyanWang/archive/2010/12/01/135201.html</link><dc:creator>Headacher</dc:creator><author>Headacher</author><pubDate>Wed, 01 Dec 2010 15:16:00 GMT</pubDate><guid>http://www.cppblog.com/RyanWang/archive/2010/12/01/135201.html</guid><wfw:comment>http://www.cppblog.com/RyanWang/comments/135201.html</wfw:comment><comments>http://www.cppblog.com/RyanWang/archive/2010/12/01/135201.html#Feedback</comments><slash:comments>1</slash:comments><wfw:commentRss>http://www.cppblog.com/RyanWang/comments/commentRss/135201.html</wfw:commentRss><trackback:ping>http://www.cppblog.com/RyanWang/services/trackbacks/135201.html</trackback:ping><description><![CDATA[这个博客90%记录的都是和ACM相关的东西。<div>就把ACM留在这里吧。</div><div>一段美好的记忆。</div><img src ="http://www.cppblog.com/RyanWang/aggbug/135201.html" width = "1" height = "1" /><br><br><div align=right><a style="text-decoration:none;" href="http://www.cppblog.com/RyanWang/" target="_blank">Headacher</a> 2010-12-01 23:16 <a href="http://www.cppblog.com/RyanWang/archive/2010/12/01/135201.html#Feedback" target="_blank" style="text-decoration:none;">发表评论</a></div>]]></description></item><item><title>POJ 1661</title><link>http://www.cppblog.com/RyanWang/archive/2010/09/11/126396.html</link><dc:creator>Headacher</dc:creator><author>Headacher</author><pubDate>Sat, 11 Sep 2010 03:29:00 GMT</pubDate><guid>http://www.cppblog.com/RyanWang/archive/2010/09/11/126396.html</guid><wfw:comment>http://www.cppblog.com/RyanWang/comments/126396.html</wfw:comment><comments>http://www.cppblog.com/RyanWang/archive/2010/09/11/126396.html#Feedback</comments><slash:comments>0</slash:comments><wfw:commentRss>http://www.cppblog.com/RyanWang/comments/commentRss/126396.html</wfw:commentRss><trackback:ping>http://www.cppblog.com/RyanWang/services/trackbacks/126396.html</trackback:ping><description><![CDATA[&nbsp;&nbsp;&nbsp;&nbsp; 摘要: &nbsp;&nbsp;<a href='http://www.cppblog.com/RyanWang/archive/2010/09/11/126396.html'>阅读全文</a><img src ="http://www.cppblog.com/RyanWang/aggbug/126396.html" width = "1" height = "1" /><br><br><div align=right><a style="text-decoration:none;" href="http://www.cppblog.com/RyanWang/" target="_blank">Headacher</a> 2010-09-11 11:29 <a href="http://www.cppblog.com/RyanWang/archive/2010/09/11/126396.html#Feedback" target="_blank" style="text-decoration:none;">发表评论</a></div>]]></description></item><item><title>POJ 1695</title><link>http://www.cppblog.com/RyanWang/archive/2010/05/03/114258.html</link><dc:creator>Headacher</dc:creator><author>Headacher</author><pubDate>Mon, 03 May 2010 09:48:00 GMT</pubDate><guid>http://www.cppblog.com/RyanWang/archive/2010/05/03/114258.html</guid><wfw:comment>http://www.cppblog.com/RyanWang/comments/114258.html</wfw:comment><comments>http://www.cppblog.com/RyanWang/archive/2010/05/03/114258.html#Feedback</comments><slash:comments>0</slash:comments><wfw:commentRss>http://www.cppblog.com/RyanWang/comments/commentRss/114258.html</wfw:commentRss><trackback:ping>http://www.cppblog.com/RyanWang/services/trackbacks/114258.html</trackback:ping><description><![CDATA[&nbsp;&nbsp;&nbsp;&nbsp; 摘要: &nbsp;&nbsp;<a href='http://www.cppblog.com/RyanWang/archive/2010/05/03/114258.html'>阅读全文</a><img src ="http://www.cppblog.com/RyanWang/aggbug/114258.html" width = "1" height = "1" /><br><br><div align=right><a style="text-decoration:none;" href="http://www.cppblog.com/RyanWang/" target="_blank">Headacher</a> 2010-05-03 17:48 <a href="http://www.cppblog.com/RyanWang/archive/2010/05/03/114258.html#Feedback" target="_blank" style="text-decoration:none;">发表评论</a></div>]]></description></item><item><title>POJ 2836 状态dp</title><link>http://www.cppblog.com/RyanWang/archive/2010/05/02/114179.html</link><dc:creator>Headacher</dc:creator><author>Headacher</author><pubDate>Sun, 02 May 2010 09:45:00 GMT</pubDate><guid>http://www.cppblog.com/RyanWang/archive/2010/05/02/114179.html</guid><wfw:comment>http://www.cppblog.com/RyanWang/comments/114179.html</wfw:comment><comments>http://www.cppblog.com/RyanWang/archive/2010/05/02/114179.html#Feedback</comments><slash:comments>0</slash:comments><wfw:commentRss>http://www.cppblog.com/RyanWang/comments/commentRss/114179.html</wfw:commentRss><trackback:ping>http://www.cppblog.com/RyanWang/services/trackbacks/114179.html</trackback:ping><description><![CDATA[&nbsp;&nbsp;&nbsp;&nbsp; 摘要: &nbsp;&nbsp;<a href='http://www.cppblog.com/RyanWang/archive/2010/05/02/114179.html'>阅读全文</a><img src ="http://www.cppblog.com/RyanWang/aggbug/114179.html" width = "1" height = "1" /><br><br><div align=right><a style="text-decoration:none;" href="http://www.cppblog.com/RyanWang/" target="_blank">Headacher</a> 2010-05-02 17:45 <a href="http://www.cppblog.com/RyanWang/archive/2010/05/02/114179.html#Feedback" target="_blank" style="text-decoration:none;">发表评论</a></div>]]></description></item><item><title>POJ 2677 双调欧几里德旅行商问题</title><link>http://www.cppblog.com/RyanWang/archive/2010/05/01/114128.html</link><dc:creator>Headacher</dc:creator><author>Headacher</author><pubDate>Sat, 01 May 2010 08:34:00 GMT</pubDate><guid>http://www.cppblog.com/RyanWang/archive/2010/05/01/114128.html</guid><wfw:comment>http://www.cppblog.com/RyanWang/comments/114128.html</wfw:comment><comments>http://www.cppblog.com/RyanWang/archive/2010/05/01/114128.html#Feedback</comments><slash:comments>1</slash:comments><wfw:commentRss>http://www.cppblog.com/RyanWang/comments/commentRss/114128.html</wfw:commentRss><trackback:ping>http://www.cppblog.com/RyanWang/services/trackbacks/114128.html</trackback:ping><description><![CDATA[&nbsp;&nbsp;&nbsp;&nbsp; 摘要: &nbsp;&nbsp;<a href='http://www.cppblog.com/RyanWang/archive/2010/05/01/114128.html'>阅读全文</a><img src ="http://www.cppblog.com/RyanWang/aggbug/114128.html" width = "1" height = "1" /><br><br><div align=right><a style="text-decoration:none;" href="http://www.cppblog.com/RyanWang/" target="_blank">Headacher</a> 2010-05-01 16:34 <a href="http://www.cppblog.com/RyanWang/archive/2010/05/01/114128.html#Feedback" target="_blank" style="text-decoration:none;">发表评论</a></div>]]></description></item><item><title>这个是回调函数？</title><link>http://www.cppblog.com/RyanWang/archive/2010/04/26/113657.html</link><dc:creator>Headacher</dc:creator><author>Headacher</author><pubDate>Mon, 26 Apr 2010 15:20:00 GMT</pubDate><guid>http://www.cppblog.com/RyanWang/archive/2010/04/26/113657.html</guid><wfw:comment>http://www.cppblog.com/RyanWang/comments/113657.html</wfw:comment><comments>http://www.cppblog.com/RyanWang/archive/2010/04/26/113657.html#Feedback</comments><slash:comments>2</slash:comments><wfw:commentRss>http://www.cppblog.com/RyanWang/comments/commentRss/113657.html</wfw:commentRss><trackback:ping>http://www.cppblog.com/RyanWang/services/trackbacks/113657.html</trackback:ping><description><![CDATA[&nbsp;&nbsp;&nbsp;&nbsp; 摘要: &nbsp;&nbsp;<a href='http://www.cppblog.com/RyanWang/archive/2010/04/26/113657.html'>阅读全文</a><img src ="http://www.cppblog.com/RyanWang/aggbug/113657.html" width = "1" height = "1" /><br><br><div align=right><a style="text-decoration:none;" href="http://www.cppblog.com/RyanWang/" target="_blank">Headacher</a> 2010-04-26 23:20 <a href="http://www.cppblog.com/RyanWang/archive/2010/04/26/113657.html#Feedback" target="_blank" style="text-decoration:none;">发表评论</a></div>]]></description></item><item><title>Ch3</title><link>http://www.cppblog.com/RyanWang/archive/2010/04/19/113033.html</link><dc:creator>Headacher</dc:creator><author>Headacher</author><pubDate>Mon, 19 Apr 2010 15:29:00 GMT</pubDate><guid>http://www.cppblog.com/RyanWang/archive/2010/04/19/113033.html</guid><wfw:comment>http://www.cppblog.com/RyanWang/comments/113033.html</wfw:comment><comments>http://www.cppblog.com/RyanWang/archive/2010/04/19/113033.html#Feedback</comments><slash:comments>0</slash:comments><wfw:commentRss>http://www.cppblog.com/RyanWang/comments/commentRss/113033.html</wfw:commentRss><trackback:ping>http://www.cppblog.com/RyanWang/services/trackbacks/113033.html</trackback:ping><description><![CDATA[
		<div style="BORDER-BOTTOM: #cccccc 1px solid; BORDER-LEFT: #cccccc 1px solid; PADDING-BOTTOM: 4px; BACKGROUND-COLOR: #eeeeee; PADDING-LEFT: 4px; WIDTH: 98%; PADDING-RIGHT: 5px; FONT-SIZE: 13px; WORD-BREAK: break-all; BORDER-TOP: #cccccc 1px solid; BORDER-RIGHT: #cccccc 1px solid; PADDING-TOP: 4px">
				<font face="Courier New">
						<span style="COLOR: #000000">#include</span>
						<span style="COLOR: #000000">&lt;</span>
						<span style="COLOR: #000000">iostream</span>
						<span style="COLOR: #000000">&gt;</span>
				</font>
				<span style="COLOR: #000000">
						<br />
						<font face="Courier New">#include</font>
				</span>
				<font face="Courier New">
						<span style="COLOR: #000000">&lt;</span>
						<span style="COLOR: #000000">vector</span>
						<span style="COLOR: #000000">&gt;</span>
				</font>
				<span style="COLOR: #000000">
						<br />
				</span>
				<font face="Courier New">
						<span style="COLOR: #0000ff">using</span>
						<span style="COLOR: #000000"> </span>
						<span style="COLOR: #0000ff">namespace</span>
				</font>
				<font face="Courier New">
						<span style="COLOR: #000000"> std;<br /></span>
						<span style="COLOR: #0000ff">int</span>
				</font>
				<font face="Courier New">
						<span style="COLOR: #000000"> main()<br />{<br />    vector</span>
						<span style="COLOR: #000000">&lt;</span>
						<span style="COLOR: #0000ff">int</span>
						<span style="COLOR: #000000">&gt;</span>
				</font>
				<font face="Courier New">
						<span style="COLOR: #000000">t;<br />    </span>
						<span style="COLOR: #0000ff">for</span>
						<span style="COLOR: #000000">(vector</span>
						<span style="COLOR: #000000">&lt;</span>
						<span style="COLOR: #0000ff">int</span>
						<span style="COLOR: #000000">&gt;</span>
						<span style="COLOR: #000000">::size_type iter</span>
						<span style="COLOR: #000000">=</span>
						<span style="COLOR: #000000">0</span>
						<span style="COLOR: #000000">;iter</span>
						<span style="COLOR: #000000">&lt;</span>
						<span style="COLOR: #000000">10</span>
						<span style="COLOR: #000000">;iter</span>
						<span style="COLOR: #000000">++</span>
				</font>
				<font face="Courier New">
						<span style="COLOR: #000000">)<br />        t.push_back(iter);<br />    </span>
						<span style="COLOR: #0000ff">for</span>
						<span style="COLOR: #000000">(vector</span>
						<span style="COLOR: #000000">&lt;</span>
						<span style="COLOR: #0000ff">int</span>
						<span style="COLOR: #000000">&gt;</span>
						<span style="COLOR: #000000">::iterator iter</span>
						<span style="COLOR: #000000">=</span>
						<span style="COLOR: #000000">t.begin();iter</span>
						<span style="COLOR: #000000">!=</span>
						<span style="COLOR: #000000">t.end();iter</span>
						<span style="COLOR: #000000">++</span>
				</font>
				<font face="Courier New">
						<span style="COLOR: #000000">)<br />        cout</span>
						<span style="COLOR: #000000">&lt;&lt;*</span>
						<span style="COLOR: #000000">iter</span>
						<span style="COLOR: #000000">&lt;&lt;</span>
				</font>
				<font face="Courier New">
						<span style="COLOR: #000000">endl;<br />    vector</span>
						<span style="COLOR: #000000">&lt;</span>
						<span style="COLOR: #0000ff">int</span>
						<span style="COLOR: #000000">&gt;</span>
						<span style="COLOR: #000000">::iterator it1</span>
						<span style="COLOR: #000000">=</span>
						<span style="COLOR: #000000">t.begin(),it2</span>
						<span style="COLOR: #000000">=</span>
				</font>
				<font face="Courier New">
						<span style="COLOR: #000000">t.end(),iter;<br />    vector</span>
						<span style="COLOR: #000000">&lt;</span>
						<span style="COLOR: #0000ff">int</span>
						<span style="COLOR: #000000">&gt;</span>
						<span style="COLOR: #000000">::difference_type ss</span>
						<span style="COLOR: #000000">=</span>
						<span style="COLOR: #000000">t.begin()</span>
						<span style="COLOR: #000000">-</span>
				</font>
				<font face="Courier New">
						<span style="COLOR: #000000">t.end();<br />    iter</span>
						<span style="COLOR: #000000">=</span>
						<span style="COLOR: #000000">t.begin()</span>
						<span style="COLOR: #000000">+</span>
						<span style="COLOR: #000000">t.size()</span>
						<span style="COLOR: #000000">/</span>
						<span style="COLOR: #000000">2</span>
				</font>
				<font face="Courier New">
						<span style="COLOR: #000000">;<br />    cout</span>
						<span style="COLOR: #000000">&lt;&lt;*</span>
						<span style="COLOR: #000000">iter</span>
						<span style="COLOR: #000000">&lt;&lt;</span>
				</font>
				<font face="Courier New">
						<span style="COLOR: #000000">endl;<br />    iter</span>
						<span style="COLOR: #000000">=</span>
						<span style="COLOR: #000000">t.begin()</span>
						<span style="COLOR: #000000">+</span>
						<span style="COLOR: #000000">t.end()</span>
						<span style="COLOR: #000000">/</span>
						<span style="COLOR: #000000">2</span>
				</font>
				<font face="Courier New">
						<span style="COLOR: #000000">;    <br />    cout</span>
						<span style="COLOR: #000000">&lt;&lt;</span>
						<span style="COLOR: #000000">ss</span>
						<span style="COLOR: #000000">&lt;&lt;</span>
				</font>
				<font face="Courier New">
						<span style="COLOR: #000000">endl;</span>
				</font>
				<font face="Courier New">
						<span style="COLOR: #000000">
								<br />    </span>
						<span style="COLOR: #0000ff">return</span>
						<span style="COLOR: #000000"> </span>
						<span style="COLOR: #000000">0</span>
				</font>
				<font face="Courier New">
						<span style="COLOR: #000000">;<br />}<br />#include</span>
						<span style="COLOR: #000000">&lt;</span>
						<span style="COLOR: #000000">iostream</span>
						<span style="COLOR: #000000">&gt;</span>
				</font>
				<span style="COLOR: #000000">
						<br />
						<font face="Courier New">#include</font>
				</span>
				<font face="Courier New">
						<span style="COLOR: #000000">&lt;</span>
						<span style="COLOR: #0000ff">string</span>
						<span style="COLOR: #000000">&gt;</span>
				</font>
				<span style="COLOR: #000000">
						<br />
						<font face="Courier New">#include</font>
				</span>
				<font face="Courier New">
						<span style="COLOR: #000000">&lt;</span>
						<span style="COLOR: #000000">cctype</span>
						<span style="COLOR: #000000">&gt;</span>
				</font>
				<span style="COLOR: #000000">
						<br />
				</span>
				<font face="Courier New">
						<span style="COLOR: #0000ff">using</span>
						<span style="COLOR: #000000"> </span>
						<span style="COLOR: #0000ff">namespace</span>
				</font>
				<font face="Courier New">
						<span style="COLOR: #000000"> std;<br /></span>
						<span style="COLOR: #0000ff">string</span>
						<span style="COLOR: #000000"> s1</span>
						<span style="COLOR: #000000">=</span>
						<span style="COLOR: #000000">"</span>
						<span style="COLOR: #000000">abc</span>
						<span style="COLOR: #000000">"</span>
				</font>
				<font face="Courier New">
						<span style="COLOR: #000000">;<br /></span>
						<span style="COLOR: #0000ff">int</span>
				</font>
				<font face="Courier New">
						<span style="COLOR: #000000"> main()<br />{<br />    </span>
						<span style="COLOR: #0000ff">string</span>
				</font>
				<font face="Courier New">
						<span style="COLOR: #000000">::iterator t;<br />    </span>
						<span style="COLOR: #0000ff">for</span>
						<span style="COLOR: #000000">(t</span>
						<span style="COLOR: #000000">=</span>
						<span style="COLOR: #000000">s1.begin();t</span>
						<span style="COLOR: #000000">!=</span>
						<span style="COLOR: #000000">s1.end();t</span>
						<span style="COLOR: #000000">++</span>
				</font>
				<font face="Courier New">
						<span style="COLOR: #000000">)<br />        cout</span>
						<span style="COLOR: #000000">&lt;&lt;</span>
						<span style="COLOR: #000000">isupper(</span>
						<span style="COLOR: #000000">*</span>
						<span style="COLOR: #000000">t)</span>
						<span style="COLOR: #000000">&lt;&lt;</span>
				</font>
				<font face="Courier New">
						<span style="COLOR: #000000">endl;</span>
				</font>
				<font face="Courier New">
						<span style="COLOR: #000000">
								<br />}<br />#include</span>
						<span style="COLOR: #000000">&lt;</span>
						<span style="COLOR: #000000">iostream</span>
						<span style="COLOR: #000000">&gt;</span>
				</font>
				<span style="COLOR: #000000">
						<br />
						<font face="Courier New">#include</font>
				</span>
				<font face="Courier New">
						<span style="COLOR: #000000">&lt;</span>
						<span style="COLOR: #000000">bitset</span>
						<span style="COLOR: #000000">&gt;</span>
				</font>
				<span style="COLOR: #000000">
						<br />
						<font face="Courier New">#include</font>
				</span>
				<font face="Courier New">
						<span style="COLOR: #000000">&lt;</span>
						<span style="COLOR: #0000ff">string</span>
						<span style="COLOR: #000000">&gt;</span>
				</font>
				<span style="COLOR: #000000">
						<br />
				</span>
				<font face="Courier New">
						<span style="COLOR: #0000ff">using</span>
						<span style="COLOR: #000000"> </span>
						<span style="COLOR: #0000ff">namespace</span>
				</font>
				<font face="Courier New">
						<span style="COLOR: #000000"> std;<br /></span>
						<span style="COLOR: #0000ff">string</span>
						<span style="COLOR: #000000"> s</span>
						<span style="COLOR: #000000">=</span>
						<span style="COLOR: #000000">"</span>
						<span style="COLOR: #000000">11111111</span>
						<span style="COLOR: #000000">"</span>
				</font>
				<font face="Courier New">
						<span style="COLOR: #000000">;<br />bitset</span>
						<span style="COLOR: #000000">&lt;</span>
						<span style="COLOR: #000000">8</span>
						<span style="COLOR: #000000">&gt;</span>
						<span style="COLOR: #000000">a(s,</span>
						<span style="COLOR: #000000">0</span>
						<span style="COLOR: #000000">,</span>
						<span style="COLOR: #000000">8</span>
				</font>
				<font face="Courier New">
						<span style="COLOR: #000000">);<br /></span>
						<span style="COLOR: #0000ff">int</span>
				</font>
				<font face="Courier New">
						<span style="COLOR: #000000"> main()<br />{<br />    unsigned </span>
						<span style="COLOR: #0000ff">int</span>
						<span style="COLOR: #000000"> t</span>
						<span style="COLOR: #000000">=</span>
				</font>
				<font face="Courier New">
						<span style="COLOR: #000000">a.to_ulong();<br />    cout</span>
						<span style="COLOR: #000000">&lt;&lt;</span>
						<span style="COLOR: #000000">t</span>
						<span style="COLOR: #000000">&lt;&lt;</span>
				</font>
				<font face="Courier New">
						<span style="COLOR: #000000">endl;<br />    </span>
						<span style="COLOR: #0000ff">for</span>
						<span style="COLOR: #000000">(</span>
						<span style="COLOR: #0000ff">int</span>
						<span style="COLOR: #000000"> it</span>
						<span style="COLOR: #000000">=</span>
						<span style="COLOR: #000000">0</span>
						<span style="COLOR: #000000">;it</span>
						<span style="COLOR: #000000">&lt;</span>
						<span style="COLOR: #000000">3</span>
						<span style="COLOR: #000000">;it</span>
						<span style="COLOR: #000000">++</span>
				</font>
				<font face="Courier New">
						<span style="COLOR: #000000">)<br />        cout</span>
						<span style="COLOR: #000000">&lt;&lt;</span>
				</font>
				<font face="Courier New">
						<span style="COLOR: #000000">a[it];<br />    cout</span>
						<span style="COLOR: #000000">&lt;&lt;</span>
				</font>
				<font face="Courier New">
						<span style="COLOR: #000000">endl;<br />    cout</span>
						<span style="COLOR: #000000">&lt;&lt;</span>
				</font>
				<font face="Courier New">
						<span style="COLOR: #000000">a.count();</span>
				</font>
				<font face="Courier New">
						<span style="COLOR: #000000">
								<br />    </span>
						<span style="COLOR: #0000ff">return</span>
						<span style="COLOR: #000000"> </span>
						<span style="COLOR: #000000">0</span>
				</font>
				<span style="COLOR: #000000">
						<font face="Courier New">;<br />}<br /></font>
				</span>
		</div>
<img src ="http://www.cppblog.com/RyanWang/aggbug/113033.html" width = "1" height = "1" /><br><br><div align=right><a style="text-decoration:none;" href="http://www.cppblog.com/RyanWang/" target="_blank">Headacher</a> 2010-04-19 23:29 <a href="http://www.cppblog.com/RyanWang/archive/2010/04/19/113033.html#Feedback" target="_blank" style="text-decoration:none;">发表评论</a></div>]]></description></item><item><title>const 与 引用&amp;</title><link>http://www.cppblog.com/RyanWang/archive/2010/04/18/112889.html</link><dc:creator>Headacher</dc:creator><author>Headacher</author><pubDate>Sat, 17 Apr 2010 18:58:00 GMT</pubDate><guid>http://www.cppblog.com/RyanWang/archive/2010/04/18/112889.html</guid><wfw:comment>http://www.cppblog.com/RyanWang/comments/112889.html</wfw:comment><comments>http://www.cppblog.com/RyanWang/archive/2010/04/18/112889.html#Feedback</comments><slash:comments>0</slash:comments><wfw:commentRss>http://www.cppblog.com/RyanWang/comments/commentRss/112889.html</wfw:commentRss><trackback:ping>http://www.cppblog.com/RyanWang/services/trackbacks/112889.html</trackback:ping><description><![CDATA[&nbsp;&nbsp;&nbsp;&nbsp; 摘要: &nbsp;&nbsp;<a href='http://www.cppblog.com/RyanWang/archive/2010/04/18/112889.html'>阅读全文</a><img src ="http://www.cppblog.com/RyanWang/aggbug/112889.html" width = "1" height = "1" /><br><br><div align=right><a style="text-decoration:none;" href="http://www.cppblog.com/RyanWang/" target="_blank">Headacher</a> 2010-04-18 02:58 <a href="http://www.cppblog.com/RyanWang/archive/2010/04/18/112889.html#Feedback" target="_blank" style="text-decoration:none;">发表评论</a></div>]]></description></item><item><title>P,V操作，进程同步经典问题_读者写者问题</title><link>http://www.cppblog.com/RyanWang/archive/2010/03/06/109035.html</link><dc:creator>Headacher</dc:creator><author>Headacher</author><pubDate>Sat, 06 Mar 2010 05:55:00 GMT</pubDate><guid>http://www.cppblog.com/RyanWang/archive/2010/03/06/109035.html</guid><wfw:comment>http://www.cppblog.com/RyanWang/comments/109035.html</wfw:comment><comments>http://www.cppblog.com/RyanWang/archive/2010/03/06/109035.html#Feedback</comments><slash:comments>0</slash:comments><wfw:commentRss>http://www.cppblog.com/RyanWang/comments/commentRss/109035.html</wfw:commentRss><trackback:ping>http://www.cppblog.com/RyanWang/services/trackbacks/109035.html</trackback:ping><description><![CDATA[&nbsp;&nbsp;&nbsp;&nbsp; 摘要: &nbsp;&nbsp;<a href='http://www.cppblog.com/RyanWang/archive/2010/03/06/109035.html'>阅读全文</a><img src ="http://www.cppblog.com/RyanWang/aggbug/109035.html" width = "1" height = "1" /><br><br><div align=right><a style="text-decoration:none;" href="http://www.cppblog.com/RyanWang/" target="_blank">Headacher</a> 2010-03-06 13:55 <a href="http://www.cppblog.com/RyanWang/archive/2010/03/06/109035.html#Feedback" target="_blank" style="text-decoration:none;">发表评论</a></div>]]></description></item><item><title>数据的浮点数表示</title><link>http://www.cppblog.com/RyanWang/archive/2010/02/18/108031.html</link><dc:creator>Headacher</dc:creator><author>Headacher</author><pubDate>Thu, 18 Feb 2010 15:52:00 GMT</pubDate><guid>http://www.cppblog.com/RyanWang/archive/2010/02/18/108031.html</guid><wfw:comment>http://www.cppblog.com/RyanWang/comments/108031.html</wfw:comment><comments>http://www.cppblog.com/RyanWang/archive/2010/02/18/108031.html#Feedback</comments><slash:comments>1</slash:comments><wfw:commentRss>http://www.cppblog.com/RyanWang/comments/commentRss/108031.html</wfw:commentRss><trackback:ping>http://www.cppblog.com/RyanWang/services/trackbacks/108031.html</trackback:ping><description><![CDATA[&nbsp;&nbsp;&nbsp;&nbsp; 摘要:  众所周知，科学计数法既可以表示整数，也可以表示小数，并且表示的数据范围很大。<br>   在计算机中也引入了类似于十进制科学计数法的方法来表示实数，称为浮点数表示法，因其小数点位置不固定而得名。<br><br>   1.浮点数的表示方法。<br><br>   用浮点数表示法不仅可以表示整数和纯小数，而且可以表示一般的实数，其表示范围比定点数要大得多。因为无论采用定点还是浮点表示，n位编码总是最多只能表示2n个数，所以采用浮点表示法虽然扩大了表示范围，但并没有增加可表示的数值的个数，只是数据间的间隔变稀疏了。<br>&nbsp;&nbsp;<a href='http://www.cppblog.com/RyanWang/archive/2010/02/18/108031.html'>阅读全文</a><img src ="http://www.cppblog.com/RyanWang/aggbug/108031.html" width = "1" height = "1" /><br><br><div align=right><a style="text-decoration:none;" href="http://www.cppblog.com/RyanWang/" target="_blank">Headacher</a> 2010-02-18 23:52 <a href="http://www.cppblog.com/RyanWang/archive/2010/02/18/108031.html#Feedback" target="_blank" style="text-decoration:none;">发表评论</a></div>]]></description></item></channel></rss>