﻿<?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-NARUTOACM-随笔分类-趣题</title><link>http://www.cppblog.com/NARUTOACM/category/13209.html</link><description /><language>zh-cn</language><lastBuildDate>Sun, 21 Mar 2010 00:11:58 GMT</lastBuildDate><pubDate>Sun, 21 Mar 2010 00:11:58 GMT</pubDate><ttl>60</ttl><item><title>线性代数挂了的找我童鞋朋友们！！- -</title><link>http://www.cppblog.com/NARUTOACM/archive/2010/03/21/110191.html</link><dc:creator>NARUTOACM</dc:creator><author>NARUTOACM</author><pubDate>Sat, 20 Mar 2010 17:14:00 GMT</pubDate><guid>http://www.cppblog.com/NARUTOACM/archive/2010/03/21/110191.html</guid><wfw:comment>http://www.cppblog.com/NARUTOACM/comments/110191.html</wfw:comment><comments>http://www.cppblog.com/NARUTOACM/archive/2010/03/21/110191.html#Feedback</comments><slash:comments>0</slash:comments><wfw:commentRss>http://www.cppblog.com/NARUTOACM/comments/commentRss/110191.html</wfw:commentRss><trackback:ping>http://www.cppblog.com/NARUTOACM/services/trackbacks/110191.html</trackback:ping><description><![CDATA[<div style="LAYOUT-GRID:  15.6pt none" class=Section0>
<p style="MARGIN-TOP: 0pt; MARGIN-BOTTOM: 0pt; FONT-SIZE: 36pt" class=p0><strong><span style="FONT-FAMILY: '宋体'; FONT-SIZE: 18pt; mso-spacerun: 'yes'">童鞋们朋友们，线性代数挂了的找我啊！出售求矩阵的秩的程序，一元一个！！</span><span style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'"><o:p></o:p></span></strong></p>
<p style="MARGIN-TOP: 0pt; MARGIN-BOTTOM: 0pt" class=p0><span style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'">好了，言归正传。其实这是今天<font face="Times New Roman">(</font><font face=宋体>应该叫昨天了的说</font><font face="Times New Roman">)</font><font face=宋体>河北大学赛的其中一道题目：求矩阵的秩。题目就不抄了，就是求矩阵的秩。矩阵的行和列的上限为</font><font face="Times New Roman">10.</font></span><span style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'"><o:p></o:p></span></p>
<p style="MARGIN-TOP: 0pt; MARGIN-BOTTOM: 0pt" class=p0><span style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'">这道题不难，就是有点烦。要说思路，那就是直接硬搞，按线性代数书上的方法初等变换硬搞过去，这里只用行变换，省的到时麻烦一大堆。不考虑优化啥的，反正计算机别的不会，就会帮你算。最后统计下非零行总数就行了。源代码如下：</span><span style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'"><o:p></o:p></span></p>
<p style="MARGIN-TOP: 0pt; MARGIN-BOTTOM: 0pt" class=p0><span style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'">&nbsp;</p>
<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"><img align=top src="http://www.cppblog.com/Images/OutliningIndicators/None.gif"><span style="COLOR: #000000">#include</span><span style="COLOR: #000000">&lt;</span><span style="COLOR: #000000">iostream</span><span style="COLOR: #000000">&gt;</span><span style="COLOR: #000000"><br><img align=top src="http://www.cppblog.com/Images/OutliningIndicators/None.gif">#include</span><span style="COLOR: #000000">&lt;</span><span style="COLOR: #000000">cmath</span><span style="COLOR: #000000">&gt;</span><span style="COLOR: #000000"><br><img align=top src="http://www.cppblog.com/Images/OutliningIndicators/None.gif"></span><span style="COLOR: #0000ff">#define</span><span style="COLOR: #000000">&nbsp;eps&nbsp;1e-8</span><span style="COLOR: #000000"><br><img align=top src="http://www.cppblog.com/Images/OutliningIndicators/None.gif"></span><span style="COLOR: #0000ff">using</span><span style="COLOR: #000000">&nbsp;</span><span style="COLOR: #0000ff">namespace</span><span style="COLOR: #000000">&nbsp;std;<br><img align=top src="http://www.cppblog.com/Images/OutliningIndicators/None.gif"></span><span style="COLOR: #0000ff">int</span><span style="COLOR: #000000">&nbsp;C,R;<br><img align=top src="http://www.cppblog.com/Images/OutliningIndicators/None.gif"></span><span style="COLOR: #0000ff">double</span><span style="COLOR: #000000">&nbsp;matrix[</span><span style="COLOR: #000000">12</span><span style="COLOR: #000000">][</span><span style="COLOR: #000000">12</span><span style="COLOR: #000000">];<br><img align=top src="http://www.cppblog.com/Images/OutliningIndicators/None.gif"></span><span style="COLOR: #0000ff">int</span><span style="COLOR: #000000">&nbsp;main()<br><img id=Codehighlighter1_116_1021_Open_Image onclick="this.style.display='none'; Codehighlighter1_116_1021_Open_Text.style.display='none'; Codehighlighter1_116_1021_Closed_Image.style.display='inline'; Codehighlighter1_116_1021_Closed_Text.style.display='inline';" align=top src="http://www.cppblog.com/Images/OutliningIndicators/ExpandedBlockStart.gif"><img style="DISPLAY: none" id=Codehighlighter1_116_1021_Closed_Image onclick="this.style.display='none'; Codehighlighter1_116_1021_Closed_Text.style.display='none'; Codehighlighter1_116_1021_Open_Image.style.display='inline'; Codehighlighter1_116_1021_Open_Text.style.display='inline';" align=top src="http://www.cppblog.com/Images/OutliningIndicators/ContractedBlock.gif"></span><span style="BORDER-BOTTOM: #808080 1px solid; BORDER-LEFT: #808080 1px solid; BACKGROUND-COLOR: #ffffff; DISPLAY: none; BORDER-TOP: #808080 1px solid; BORDER-RIGHT: #808080 1px solid" id=Codehighlighter1_116_1021_Closed_Text><img src="http://www.cppblog.com/Images/dot.gif"></span><span id=Codehighlighter1_116_1021_Open_Text><span style="COLOR: #000000">{<br><img align=top src="http://www.cppblog.com/Images/OutliningIndicators/InBlock.gif">&nbsp;&nbsp;&nbsp;&nbsp;</span><span style="COLOR: #0000ff">int</span><span style="COLOR: #000000">&nbsp;i,j;<br><img align=top src="http://www.cppblog.com/Images/OutliningIndicators/InBlock.gif">&nbsp;&nbsp;&nbsp;&nbsp;</span><span style="COLOR: #0000ff">while</span><span style="COLOR: #000000">(scanf(</span><span style="COLOR: #000000">"</span><span style="COLOR: #000000">%d%d</span><span style="COLOR: #000000">"</span><span style="COLOR: #000000">,</span><span style="COLOR: #000000">&amp;</span><span style="COLOR: #000000">C,</span><span style="COLOR: #000000">&amp;</span><span style="COLOR: #000000">R)</span><span style="COLOR: #000000">&amp;&amp;</span><span style="COLOR: #000000">(C</span><span style="COLOR: #000000">+</span><span style="COLOR: #000000">R))<br><img id=Codehighlighter1_164_1008_Open_Image onclick="this.style.display='none'; Codehighlighter1_164_1008_Open_Text.style.display='none'; Codehighlighter1_164_1008_Closed_Image.style.display='inline'; Codehighlighter1_164_1008_Closed_Text.style.display='inline';" align=top src="http://www.cppblog.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif"><img style="DISPLAY: none" id=Codehighlighter1_164_1008_Closed_Image onclick="this.style.display='none'; Codehighlighter1_164_1008_Closed_Text.style.display='none'; Codehighlighter1_164_1008_Open_Image.style.display='inline'; Codehighlighter1_164_1008_Open_Text.style.display='inline';" align=top src="http://www.cppblog.com/Images/OutliningIndicators/ContractedSubBlock.gif">&nbsp;&nbsp;&nbsp;&nbsp;</span><span style="BORDER-BOTTOM: #808080 1px solid; BORDER-LEFT: #808080 1px solid; BACKGROUND-COLOR: #ffffff; DISPLAY: none; BORDER-TOP: #808080 1px solid; BORDER-RIGHT: #808080 1px solid" id=Codehighlighter1_164_1008_Closed_Text><img src="http://www.cppblog.com/Images/dot.gif"></span><span id=Codehighlighter1_164_1008_Open_Text><span style="COLOR: #000000">{<br><img align=top src="http://www.cppblog.com/Images/OutliningIndicators/InBlock.gif">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span style="COLOR: #0000ff">for</span><span style="COLOR: #000000">(i</span><span style="COLOR: #000000">=</span><span style="COLOR: #000000">1</span><span style="COLOR: #000000">;i</span><span style="COLOR: #000000">&lt;=</span><span style="COLOR: #000000">C;i</span><span style="COLOR: #000000">++</span><span style="COLOR: #000000">)<br><img id=Codehighlighter1_188_245_Open_Image onclick="this.style.display='none'; Codehighlighter1_188_245_Open_Text.style.display='none'; Codehighlighter1_188_245_Closed_Image.style.display='inline'; Codehighlighter1_188_245_Closed_Text.style.display='inline';" align=top src="http://www.cppblog.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif"><img style="DISPLAY: none" id=Codehighlighter1_188_245_Closed_Image onclick="this.style.display='none'; Codehighlighter1_188_245_Closed_Text.style.display='none'; Codehighlighter1_188_245_Open_Image.style.display='inline'; Codehighlighter1_188_245_Open_Text.style.display='inline';" align=top src="http://www.cppblog.com/Images/OutliningIndicators/ContractedSubBlock.gif">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span style="BORDER-BOTTOM: #808080 1px solid; BORDER-LEFT: #808080 1px solid; BACKGROUND-COLOR: #ffffff; DISPLAY: none; BORDER-TOP: #808080 1px solid; BORDER-RIGHT: #808080 1px solid" id=Codehighlighter1_188_245_Closed_Text><img src="http://www.cppblog.com/Images/dot.gif"></span><span id=Codehighlighter1_188_245_Open_Text><span style="COLOR: #000000">{<br><img align=top src="http://www.cppblog.com/Images/OutliningIndicators/InBlock.gif">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span style="COLOR: #0000ff">for</span><span style="COLOR: #000000">(j</span><span style="COLOR: #000000">=</span><span style="COLOR: #000000">1</span><span style="COLOR: #000000">;j</span><span style="COLOR: #000000">&lt;=</span><span style="COLOR: #000000">R;j</span><span style="COLOR: #000000">++</span><span style="COLOR: #000000">)<br><img align=top src="http://www.cppblog.com/Images/OutliningIndicators/InBlock.gif">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;scanf(</span><span style="COLOR: #000000">"</span><span style="COLOR: #000000">%lf</span><span style="COLOR: #000000">"</span><span style="COLOR: #000000">,</span><span style="COLOR: #000000">&amp;</span><span style="COLOR: #000000">matrix[i][j]);<br><img align=top src="http://www.cppblog.com/Images/OutliningIndicators/ExpandedSubBlockEnd.gif">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;}</span></span><span style="COLOR: #000000"><br><img align=top src="http://www.cppblog.com/Images/OutliningIndicators/InBlock.gif">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span style="COLOR: #0000ff">int</span><span style="COLOR: #000000">&nbsp;nc</span><span style="COLOR: #000000">=</span><span style="COLOR: #000000">1</span><span style="COLOR: #000000">,nr</span><span style="COLOR: #000000">=</span><span style="COLOR: #000000">1</span><span style="COLOR: #000000">;<br><img align=top src="http://www.cppblog.com/Images/OutliningIndicators/InBlock.gif">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span style="COLOR: #0000ff">while</span><span style="COLOR: #000000">(</span><span style="COLOR: #000000">1</span><span style="COLOR: #000000">)<br><img id=Codehighlighter1_277_838_Open_Image onclick="this.style.display='none'; Codehighlighter1_277_838_Open_Text.style.display='none'; Codehighlighter1_277_838_Closed_Image.style.display='inline'; Codehighlighter1_277_838_Closed_Text.style.display='inline';" align=top src="http://www.cppblog.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif"><img style="DISPLAY: none" id=Codehighlighter1_277_838_Closed_Image onclick="this.style.display='none'; Codehighlighter1_277_838_Closed_Text.style.display='none'; Codehighlighter1_277_838_Open_Image.style.display='inline'; Codehighlighter1_277_838_Open_Text.style.display='inline';" align=top src="http://www.cppblog.com/Images/OutliningIndicators/ContractedSubBlock.gif">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span style="BORDER-BOTTOM: #808080 1px solid; BORDER-LEFT: #808080 1px solid; BACKGROUND-COLOR: #ffffff; DISPLAY: none; BORDER-TOP: #808080 1px solid; BORDER-RIGHT: #808080 1px solid" id=Codehighlighter1_277_838_Closed_Text><img src="http://www.cppblog.com/Images/dot.gif"></span><span id=Codehighlighter1_277_838_Open_Text><span style="COLOR: #000000">{<br><img align=top src="http://www.cppblog.com/Images/OutliningIndicators/InBlock.gif">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span style="COLOR: #0000ff">if</span><span style="COLOR: #000000">(nc</span><span style="COLOR: #000000">&gt;</span><span style="COLOR: #000000">C</span><span style="COLOR: #000000">||</span><span style="COLOR: #000000">nr</span><span style="COLOR: #000000">&gt;</span><span style="COLOR: #000000">R)<br><img align=top src="http://www.cppblog.com/Images/OutliningIndicators/InBlock.gif">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span style="COLOR: #0000ff">break</span><span style="COLOR: #000000">;<br><img align=top src="http://www.cppblog.com/Images/OutliningIndicators/InBlock.gif">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span style="COLOR: #0000ff">while</span><span style="COLOR: #000000">(fabs(matrix[nc][nr])</span><span style="COLOR: #000000">&lt;=</span><span style="COLOR: #000000">eps)<br><img id=Codehighlighter1_347_652_Open_Image onclick="this.style.display='none'; Codehighlighter1_347_652_Open_Text.style.display='none'; Codehighlighter1_347_652_Closed_Image.style.display='inline'; Codehighlighter1_347_652_Closed_Text.style.display='inline';" align=top src="http://www.cppblog.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif"><img style="DISPLAY: none" id=Codehighlighter1_347_652_Closed_Image onclick="this.style.display='none'; Codehighlighter1_347_652_Closed_Text.style.display='none'; Codehighlighter1_347_652_Open_Image.style.display='inline'; Codehighlighter1_347_652_Open_Text.style.display='inline';" align=top src="http://www.cppblog.com/Images/OutliningIndicators/ContractedSubBlock.gif">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span style="BORDER-BOTTOM: #808080 1px solid; BORDER-LEFT: #808080 1px solid; BACKGROUND-COLOR: #ffffff; DISPLAY: none; BORDER-TOP: #808080 1px solid; BORDER-RIGHT: #808080 1px solid" id=Codehighlighter1_347_652_Closed_Text><img src="http://www.cppblog.com/Images/dot.gif"></span><span id=Codehighlighter1_347_652_Open_Text><span style="COLOR: #000000">{<br><img align=top src="http://www.cppblog.com/Images/OutliningIndicators/InBlock.gif">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span style="COLOR: #0000ff">for</span><span style="COLOR: #000000">(i</span><span style="COLOR: #000000">=</span><span style="COLOR: #000000">nc</span><span style="COLOR: #000000">+</span><span style="COLOR: #000000">1</span><span style="COLOR: #000000">;i</span><span style="COLOR: #000000">&lt;=</span><span style="COLOR: #000000">C;i</span><span style="COLOR: #000000">++</span><span style="COLOR: #000000">)<br><img id=Codehighlighter1_378_430_Open_Image onclick="this.style.display='none'; Codehighlighter1_378_430_Open_Text.style.display='none'; Codehighlighter1_378_430_Closed_Image.style.display='inline'; Codehighlighter1_378_430_Closed_Text.style.display='inline';" align=top src="http://www.cppblog.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif"><img style="DISPLAY: none" id=Codehighlighter1_378_430_Closed_Image onclick="this.style.display='none'; Codehighlighter1_378_430_Closed_Text.style.display='none'; Codehighlighter1_378_430_Open_Image.style.display='inline'; Codehighlighter1_378_430_Open_Text.style.display='inline';" align=top src="http://www.cppblog.com/Images/OutliningIndicators/ContractedSubBlock.gif">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span style="BORDER-BOTTOM: #808080 1px solid; BORDER-LEFT: #808080 1px solid; BACKGROUND-COLOR: #ffffff; DISPLAY: none; BORDER-TOP: #808080 1px solid; BORDER-RIGHT: #808080 1px solid" id=Codehighlighter1_378_430_Closed_Text><img src="http://www.cppblog.com/Images/dot.gif"></span><span id=Codehighlighter1_378_430_Open_Text><span style="COLOR: #000000">{<br><img align=top src="http://www.cppblog.com/Images/OutliningIndicators/InBlock.gif">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span style="COLOR: #0000ff">if</span><span style="COLOR: #000000">(fabs(matrix[i][nr])</span><span style="COLOR: #000000">&gt;</span><span style="COLOR: #000000">eps)<br><img align=top src="http://www.cppblog.com/Images/OutliningIndicators/InBlock.gif">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span style="COLOR: #0000ff">break</span><span style="COLOR: #000000">;<br><img align=top src="http://www.cppblog.com/Images/OutliningIndicators/ExpandedSubBlockEnd.gif">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;}</span></span><span style="COLOR: #000000"><br><img align=top src="http://www.cppblog.com/Images/OutliningIndicators/InBlock.gif">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span style="COLOR: #0000ff">if</span><span style="COLOR: #000000">(i</span><span style="COLOR: #000000">&lt;=</span><span style="COLOR: #000000">C)<br><img id=Codehighlighter1_449_596_Open_Image onclick="this.style.display='none'; Codehighlighter1_449_596_Open_Text.style.display='none'; Codehighlighter1_449_596_Closed_Image.style.display='inline'; Codehighlighter1_449_596_Closed_Text.style.display='inline';" align=top src="http://www.cppblog.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif"><img style="DISPLAY: none" id=Codehighlighter1_449_596_Closed_Image onclick="this.style.display='none'; Codehighlighter1_449_596_Closed_Text.style.display='none'; Codehighlighter1_449_596_Open_Image.style.display='inline'; Codehighlighter1_449_596_Open_Text.style.display='inline';" align=top src="http://www.cppblog.com/Images/OutliningIndicators/ContractedSubBlock.gif">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span style="BORDER-BOTTOM: #808080 1px solid; BORDER-LEFT: #808080 1px solid; BACKGROUND-COLOR: #ffffff; DISPLAY: none; BORDER-TOP: #808080 1px solid; BORDER-RIGHT: #808080 1px solid" id=Codehighlighter1_449_596_Closed_Text><img src="http://www.cppblog.com/Images/dot.gif"></span><span id=Codehighlighter1_449_596_Open_Text><span style="COLOR: #000000">{<br><img align=top src="http://www.cppblog.com/Images/OutliningIndicators/InBlock.gif">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span style="COLOR: #0000ff">for</span><span style="COLOR: #000000">(j</span><span style="COLOR: #000000">=</span><span style="COLOR: #000000">1</span><span style="COLOR: #000000">;j</span><span style="COLOR: #000000">&lt;=</span><span style="COLOR: #000000">R;j</span><span style="COLOR: #000000">++</span><span style="COLOR: #000000">)<br><img id=Codehighlighter1_479_578_Open_Image onclick="this.style.display='none'; Codehighlighter1_479_578_Open_Text.style.display='none'; Codehighlighter1_479_578_Closed_Image.style.display='inline'; Codehighlighter1_479_578_Closed_Text.style.display='inline';" align=top src="http://www.cppblog.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif"><img style="DISPLAY: none" id=Codehighlighter1_479_578_Closed_Image onclick="this.style.display='none'; Codehighlighter1_479_578_Closed_Text.style.display='none'; Codehighlighter1_479_578_Open_Image.style.display='inline'; Codehighlighter1_479_578_Open_Text.style.display='inline';" align=top src="http://www.cppblog.com/Images/OutliningIndicators/ContractedSubBlock.gif">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span style="BORDER-BOTTOM: #808080 1px solid; BORDER-LEFT: #808080 1px solid; BACKGROUND-COLOR: #ffffff; DISPLAY: none; BORDER-TOP: #808080 1px solid; BORDER-RIGHT: #808080 1px solid" id=Codehighlighter1_479_578_Closed_Text><img src="http://www.cppblog.com/Images/dot.gif"></span><span id=Codehighlighter1_479_578_Open_Text><span style="COLOR: #000000">{<br><img align=top src="http://www.cppblog.com/Images/OutliningIndicators/InBlock.gif">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span style="COLOR: #0000ff">double</span><span style="COLOR: #000000">&nbsp;temp</span><span style="COLOR: #000000">=</span><span style="COLOR: #000000">matrix[nc][j];<br><img align=top src="http://www.cppblog.com/Images/OutliningIndicators/InBlock.gif">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;matrix[nc][j]</span><span style="COLOR: #000000">=</span><span style="COLOR: #000000">matrix[i][j];<br><img align=top src="http://www.cppblog.com/Images/OutliningIndicators/InBlock.gif">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;matrix[i][j]</span><span style="COLOR: #000000">=</span><span style="COLOR: #000000">temp;<br><img align=top src="http://www.cppblog.com/Images/OutliningIndicators/ExpandedSubBlockEnd.gif">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;}</span></span><span style="COLOR: #000000"><br><img align=top src="http://www.cppblog.com/Images/OutliningIndicators/InBlock.gif">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span style="COLOR: #0000ff">break</span><span style="COLOR: #000000">;<br><img align=top src="http://www.cppblog.com/Images/OutliningIndicators/ExpandedSubBlockEnd.gif">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;}</span></span><span style="COLOR: #000000"><br><img align=top src="http://www.cppblog.com/Images/OutliningIndicators/InBlock.gif">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span style="COLOR: #0000ff">else</span><span style="COLOR: #000000"><br><img align=top src="http://www.cppblog.com/Images/OutliningIndicators/InBlock.gif">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;nr</span><span style="COLOR: #000000">++</span><span style="COLOR: #000000">;<br><img align=top src="http://www.cppblog.com/Images/OutliningIndicators/InBlock.gif">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span style="COLOR: #0000ff">if</span><span style="COLOR: #000000">(nc</span><span style="COLOR: #000000">&gt;</span><span style="COLOR: #000000">C</span><span style="COLOR: #000000">||</span><span style="COLOR: #000000">nr</span><span style="COLOR: #000000">&gt;</span><span style="COLOR: #000000">R)<br><img align=top src="http://www.cppblog.com/Images/OutliningIndicators/InBlock.gif">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span style="COLOR: #0000ff">break</span><span style="COLOR: #000000">;<br><img align=top src="http://www.cppblog.com/Images/OutliningIndicators/ExpandedSubBlockEnd.gif">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;}</span></span><span style="COLOR: #000000"><br><img align=top src="http://www.cppblog.com/Images/OutliningIndicators/InBlock.gif">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span style="COLOR: #0000ff">if</span><span style="COLOR: #000000">(nc</span><span style="COLOR: #000000">&gt;</span><span style="COLOR: #000000">C</span><span style="COLOR: #000000">||</span><span style="COLOR: #000000">nr</span><span style="COLOR: #000000">&gt;</span><span style="COLOR: #000000">R)<br><img align=top src="http://www.cppblog.com/Images/OutliningIndicators/InBlock.gif">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span style="COLOR: #0000ff">break</span><span style="COLOR: #000000">;<br><img align=top src="http://www.cppblog.com/Images/OutliningIndicators/InBlock.gif">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span style="COLOR: #0000ff">for</span><span style="COLOR: #000000">(i</span><span style="COLOR: #000000">=</span><span style="COLOR: #000000">nc</span><span style="COLOR: #000000">+</span><span style="COLOR: #000000">1</span><span style="COLOR: #000000">;i</span><span style="COLOR: #000000">&lt;=</span><span style="COLOR: #000000">C;i</span><span style="COLOR: #000000">++</span><span style="COLOR: #000000">)<br><img id=Codehighlighter1_710_820_Open_Image onclick="this.style.display='none'; Codehighlighter1_710_820_Open_Text.style.display='none'; Codehighlighter1_710_820_Closed_Image.style.display='inline'; Codehighlighter1_710_820_Closed_Text.style.display='inline';" align=top src="http://www.cppblog.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif"><img style="DISPLAY: none" id=Codehighlighter1_710_820_Closed_Image onclick="this.style.display='none'; Codehighlighter1_710_820_Closed_Text.style.display='none'; Codehighlighter1_710_820_Open_Image.style.display='inline'; Codehighlighter1_710_820_Open_Text.style.display='inline';" align=top src="http://www.cppblog.com/Images/OutliningIndicators/ContractedSubBlock.gif">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span style="BORDER-BOTTOM: #808080 1px solid; BORDER-LEFT: #808080 1px solid; BACKGROUND-COLOR: #ffffff; DISPLAY: none; BORDER-TOP: #808080 1px solid; BORDER-RIGHT: #808080 1px solid" id=Codehighlighter1_710_820_Closed_Text><img src="http://www.cppblog.com/Images/dot.gif"></span><span id=Codehighlighter1_710_820_Open_Text><span style="COLOR: #000000">{<br><img align=top src="http://www.cppblog.com/Images/OutliningIndicators/InBlock.gif">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span style="COLOR: #0000ff">double</span><span style="COLOR: #000000">&nbsp;x</span><span style="COLOR: #000000">=</span><span style="COLOR: #000000">(</span><span style="COLOR: #000000">-</span><span style="COLOR: #000000">matrix[i][nr])</span><span style="COLOR: #000000">/</span><span style="COLOR: #000000">matrix[nc][nr];<br><img align=top src="http://www.cppblog.com/Images/OutliningIndicators/InBlock.gif">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span style="COLOR: #0000ff">for</span><span style="COLOR: #000000">(j</span><span style="COLOR: #000000">=</span><span style="COLOR: #000000">nr;j</span><span style="COLOR: #000000">&lt;=</span><span style="COLOR: #000000">R;j</span><span style="COLOR: #000000">++</span><span style="COLOR: #000000">)<br><img align=top src="http://www.cppblog.com/Images/OutliningIndicators/InBlock.gif">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;matrix[i][j]</span><span style="COLOR: #000000">+=</span><span style="COLOR: #000000">x</span><span style="COLOR: #000000">*</span><span style="COLOR: #000000">matrix[nc][j];<br><img align=top src="http://www.cppblog.com/Images/OutliningIndicators/ExpandedSubBlockEnd.gif">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;}</span></span><span style="COLOR: #000000"><br><img align=top src="http://www.cppblog.com/Images/OutliningIndicators/InBlock.gif">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;nc</span><span style="COLOR: #000000">++</span><span style="COLOR: #000000">;nr</span><span style="COLOR: #000000">++</span><span style="COLOR: #000000">;<br><img align=top src="http://www.cppblog.com/Images/OutliningIndicators/ExpandedSubBlockEnd.gif">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;}</span></span><span style="COLOR: #000000"><br><img align=top src="http://www.cppblog.com/Images/OutliningIndicators/InBlock.gif">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span style="COLOR: #0000ff">int</span><span style="COLOR: #000000">&nbsp;c</span><span style="COLOR: #000000">=</span><span style="COLOR: #000000">0</span><span style="COLOR: #000000">;<br><img align=top src="http://www.cppblog.com/Images/OutliningIndicators/InBlock.gif">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span style="COLOR: #0000ff">for</span><span style="COLOR: #000000">(i</span><span style="COLOR: #000000">=</span><span style="COLOR: #000000">C;i</span><span style="COLOR: #000000">&gt;=</span><span style="COLOR: #000000">1</span><span style="COLOR: #000000">;i</span><span style="COLOR: #000000">--</span><span style="COLOR: #000000">)<br><img id=Codehighlighter1_873_982_Open_Image onclick="this.style.display='none'; Codehighlighter1_873_982_Open_Text.style.display='none'; Codehighlighter1_873_982_Closed_Image.style.display='inline'; Codehighlighter1_873_982_Closed_Text.style.display='inline';" align=top src="http://www.cppblog.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif"><img style="DISPLAY: none" id=Codehighlighter1_873_982_Closed_Image onclick="this.style.display='none'; Codehighlighter1_873_982_Closed_Text.style.display='none'; Codehighlighter1_873_982_Open_Image.style.display='inline'; Codehighlighter1_873_982_Open_Text.style.display='inline';" align=top src="http://www.cppblog.com/Images/OutliningIndicators/ContractedSubBlock.gif">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span style="BORDER-BOTTOM: #808080 1px solid; BORDER-LEFT: #808080 1px solid; BACKGROUND-COLOR: #ffffff; DISPLAY: none; BORDER-TOP: #808080 1px solid; BORDER-RIGHT: #808080 1px solid" id=Codehighlighter1_873_982_Closed_Text><img src="http://www.cppblog.com/Images/dot.gif"></span><span id=Codehighlighter1_873_982_Open_Text><span style="COLOR: #000000">{<br><img align=top src="http://www.cppblog.com/Images/OutliningIndicators/InBlock.gif">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span style="COLOR: #0000ff">for</span><span style="COLOR: #000000">(j</span><span style="COLOR: #000000">=</span><span style="COLOR: #000000">1</span><span style="COLOR: #000000">;j</span><span style="COLOR: #000000">&lt;=</span><span style="COLOR: #000000">R;j</span><span style="COLOR: #000000">++</span><span style="COLOR: #000000">)<br><img id=Codehighlighter1_899_947_Open_Image onclick="this.style.display='none'; Codehighlighter1_899_947_Open_Text.style.display='none'; Codehighlighter1_899_947_Closed_Image.style.display='inline'; Codehighlighter1_899_947_Closed_Text.style.display='inline';" align=top src="http://www.cppblog.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif"><img style="DISPLAY: none" id=Codehighlighter1_899_947_Closed_Image onclick="this.style.display='none'; Codehighlighter1_899_947_Closed_Text.style.display='none'; Codehighlighter1_899_947_Open_Image.style.display='inline'; Codehighlighter1_899_947_Open_Text.style.display='inline';" align=top src="http://www.cppblog.com/Images/OutliningIndicators/ContractedSubBlock.gif">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span style="BORDER-BOTTOM: #808080 1px solid; BORDER-LEFT: #808080 1px solid; BACKGROUND-COLOR: #ffffff; DISPLAY: none; BORDER-TOP: #808080 1px solid; BORDER-RIGHT: #808080 1px solid" id=Codehighlighter1_899_947_Closed_Text><img src="http://www.cppblog.com/Images/dot.gif"></span><span id=Codehighlighter1_899_947_Open_Text><span style="COLOR: #000000">{<br><img align=top src="http://www.cppblog.com/Images/OutliningIndicators/InBlock.gif">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span style="COLOR: #0000ff">if</span><span style="COLOR: #000000">(fabs(matrix[i][j])</span><span style="COLOR: #000000">&gt;</span><span style="COLOR: #000000">eps)<br><img align=top src="http://www.cppblog.com/Images/OutliningIndicators/InBlock.gif">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span style="COLOR: #0000ff">break</span><span style="COLOR: #000000">;<br><img align=top src="http://www.cppblog.com/Images/OutliningIndicators/ExpandedSubBlockEnd.gif">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;}</span></span><span style="COLOR: #000000"><br><img align=top src="http://www.cppblog.com/Images/OutliningIndicators/InBlock.gif">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span style="COLOR: #0000ff">if</span><span style="COLOR: #000000">(j</span><span style="COLOR: #000000">&lt;=</span><span style="COLOR: #000000">R)<br><img align=top src="http://www.cppblog.com/Images/OutliningIndicators/InBlock.gif">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span style="COLOR: #0000ff">break</span><span style="COLOR: #000000">;<br><img align=top src="http://www.cppblog.com/Images/OutliningIndicators/InBlock.gif">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;c</span><span style="COLOR: #000000">++</span><span style="COLOR: #000000">;<br><img align=top src="http://www.cppblog.com/Images/OutliningIndicators/ExpandedSubBlockEnd.gif">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;}</span></span><span style="COLOR: #000000"><br><img align=top src="http://www.cppblog.com/Images/OutliningIndicators/InBlock.gif">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;printf(</span><span style="COLOR: #000000">"</span><span style="COLOR: #000000">%d\n</span><span style="COLOR: #000000">"</span><span style="COLOR: #000000">,C</span><span style="COLOR: #000000">-</span><span style="COLOR: #000000">c);<br><img align=top src="http://www.cppblog.com/Images/OutliningIndicators/ExpandedSubBlockEnd.gif">&nbsp;&nbsp;&nbsp;&nbsp;}</span></span><span style="COLOR: #000000"><br><img align=top src="http://www.cppblog.com/Images/OutliningIndicators/InBlock.gif">&nbsp;&nbsp;&nbsp;&nbsp;</span><span style="COLOR: #0000ff">return</span><span style="COLOR: #000000">&nbsp;</span><span style="COLOR: #000000">0</span><span style="COLOR: #000000">;<br><img align=top src="http://www.cppblog.com/Images/OutliningIndicators/ExpandedBlockEnd.gif">}</span></span></div>
</span></div>
<!--endfragment-->
<img src ="http://www.cppblog.com/NARUTOACM/aggbug/110191.html" width = "1" height = "1" /><br><br><div align=right><a style="text-decoration:none;" href="http://www.cppblog.com/NARUTOACM/" target="_blank">NARUTOACM</a> 2010-03-21 01:14 <a href="http://www.cppblog.com/NARUTOACM/archive/2010/03/21/110191.html#Feedback" target="_blank" style="text-decoration:none;">发表评论</a></div>]]></description></item><item><title>金币问题(姑且这么叫吧..)</title><link>http://www.cppblog.com/NARUTOACM/archive/2010/03/07/109147.html</link><dc:creator>NARUTOACM</dc:creator><author>NARUTOACM</author><pubDate>Sun, 07 Mar 2010 14:33:00 GMT</pubDate><guid>http://www.cppblog.com/NARUTOACM/archive/2010/03/07/109147.html</guid><wfw:comment>http://www.cppblog.com/NARUTOACM/comments/109147.html</wfw:comment><comments>http://www.cppblog.com/NARUTOACM/archive/2010/03/07/109147.html#Feedback</comments><slash:comments>3</slash:comments><wfw:commentRss>http://www.cppblog.com/NARUTOACM/comments/commentRss/109147.html</wfw:commentRss><trackback:ping>http://www.cppblog.com/NARUTOACM/services/trackbacks/109147.html</trackback:ping><description><![CDATA[<p style="MARGIN-TOP: 0pt; MARGIN-BOTTOM: 0pt" class=p0><span style="FONT-FAMILY: 'Times New Roman'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'">题目描述：</span><span style="FONT-FAMILY: 'Times New Roman'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'"><br></span><span style="FONT-FAMILY: 'Times New Roman'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'">ACM<font face=宋体>公司生产金币的设备出了问题，使得最近生产的</font><font face="Times New Roman">10</font><font face=宋体>批金币</font></span><span style="FONT-FAMILY: 'Times New Roman'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'"><br></span><span style="FONT-FAMILY: 'Times New Roman'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'">的重量出现了波动：本来金币的标准重量是<font face="Times New Roman">10</font><font face=宋体>克，但现在有的可能是</font><font face="Times New Roman">11</font><font face=宋体>克，</font></span><span style="FONT-FAMILY: 'Times New Roman'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'"><br></span><span style="FONT-FAMILY: 'Times New Roman'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'">有的可能<font face="Times New Roman">9</font><font face=宋体>克，也有可能是</font><font face="Times New Roman">10</font><font face=宋体>克。</font></span><span style="FONT-FAMILY: 'Times New Roman'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'"><br></span><span style="FONT-FAMILY: 'Times New Roman'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'">现在只知道同一批金币的重量是相同的，你的任务是要把每批的单枚金币的重量找出来。</span><span style="FONT-FAMILY: 'Times New Roman'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'"><br></span><span style="FONT-FAMILY: 'Times New Roman'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'">你的设备有一个电子秤，但只允许称量一次！</span><span style="FONT-FAMILY: 'Times New Roman'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'"><br></span><span style="FONT-FAMILY: 'Times New Roman'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'">你从第<font face="Times New Roman">1</font><font face=宋体>批中取</font><font face="Times New Roman">1</font><font face=宋体>枚金币，第</font><font face="Times New Roman">2</font><font face=宋体>批取</font><font face="Times New Roman">3</font><font face=宋体>枚，</font><font face="Times New Roman">...</font><font face=宋体>第</font><font face="Times New Roman">i</font><font face=宋体>批取</font><font face="Times New Roman">3^(i&#8722;1)</font><font face=宋体>枚</font><font face="Times New Roman">...</font><font face=宋体>，第</font><font face="Times New Roman">10</font><font face=宋体>批取</font><font face="Times New Roman">3^9</font><font face=宋体>枚，</font></span><span style="FONT-FAMILY: 'Times New Roman'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'"><br></span><span style="FONT-FAMILY: 'Times New Roman'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'">总共<font face="Times New Roman">29524</font><font face=宋体>枚。将这</font><font face="Times New Roman">29524</font><font face=宋体>枚金币放在电子秤上，得到了总重量，就交给你的程序去！</font></span><span style="FONT-FAMILY: 'Times New Roman'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'"><br></span><span style="FONT-FAMILY: 'Times New Roman'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'"><br></span><span style="FONT-FAMILY: 'Times New Roman'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'">输入：</span><span style="FONT-FAMILY: 'Times New Roman'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'"><br></span><span style="FONT-FAMILY: 'Times New Roman'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'">有多个测试序列，每个测试序列一行，包含一个<font face="Times New Roman">6</font><font face=宋体>位的正整数</font><font face="Times New Roman">W(265716&#8804;W&#8804;324764)</font><font face=宋体>，</font></span><span style="FONT-FAMILY: 'Times New Roman'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'"><br></span><span style="FONT-FAMILY: 'Times New Roman'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'">表示<font face="Times New Roman">29524</font><font face=宋体>枚金币的总重量。</font></span><span style="FONT-FAMILY: 'Times New Roman'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'"><br></span><span style="FONT-FAMILY: 'Times New Roman'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'"><br></span><span style="FONT-FAMILY: 'Times New Roman'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'">输出：</span><span style="FONT-FAMILY: 'Times New Roman'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'"><br></span><span style="FONT-FAMILY: 'Times New Roman'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'">每个测试序列输出一行，包含<font face="Times New Roman">10</font><font face=宋体>个用空格分开的正整数，</font></span><span style="FONT-FAMILY: 'Times New Roman'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'"><br></span><span style="FONT-FAMILY: 'Times New Roman'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'">分别表示<font face="Times New Roman">10</font><font face=宋体>批金币的单枚重量，注意行尾没有空格。</font></span><span style="FONT-FAMILY: 'Times New Roman'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'"><br></span><span style="FONT-FAMILY: 'Times New Roman'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'"><br></span><span style="FONT-FAMILY: 'Times New Roman'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'">样例输入：</span><span style="FONT-FAMILY: 'Times New Roman'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'"><br></span><span style="FONT-FAMILY: 'Times New Roman'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'">265716</span><span style="FONT-FAMILY: 'Times New Roman'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'"><br></span><span style="FONT-FAMILY: 'Times New Roman'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'">324764</span><span style="FONT-FAMILY: 'Times New Roman'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'"><br></span><span style="FONT-FAMILY: 'Times New Roman'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'">295240</span><span style="FONT-FAMILY: 'Times New Roman'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'"><br></span><span style="FONT-FAMILY: 'Times New Roman'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'">324763</span><span style="FONT-FAMILY: 'Times New Roman'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'"><br></span><span style="FONT-FAMILY: 'Times New Roman'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'"><br></span><span style="FONT-FAMILY: 'Times New Roman'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'">样例输出：</span><span style="FONT-FAMILY: 'Times New Roman'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'"><br></span><span style="FONT-FAMILY: 'Times New Roman'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'">9&nbsp;9&nbsp;9&nbsp;9&nbsp;9&nbsp;9&nbsp;9&nbsp;9&nbsp;9&nbsp;9</span><span style="FONT-FAMILY: 'Times New Roman'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'"><br></span><span style="FONT-FAMILY: 'Times New Roman'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'">11&nbsp;11&nbsp;11&nbsp;11&nbsp;11&nbsp;11&nbsp;11&nbsp;11&nbsp;11&nbsp;11</span><span style="FONT-FAMILY: 'Times New Roman'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'"><br></span><span style="FONT-FAMILY: 'Times New Roman'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'">10&nbsp;10&nbsp;10&nbsp;10&nbsp;10&nbsp;10&nbsp;10&nbsp;10&nbsp;10&nbsp;10</span><span style="FONT-FAMILY: 'Times New Roman'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'"><br></span><span style="FONT-FAMILY: 'Times New Roman'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'">10&nbsp;11&nbsp;11&nbsp;11&nbsp;11&nbsp;11&nbsp;11&nbsp;11&nbsp;11&nbsp;11</span><span style="FONT-FAMILY: 'Times New Roman'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'"><o:p></o:p></span></p>
<p style="MARGIN-TOP: 0pt; MARGIN-BOTTOM: 0pt" class=p0><span style="FONT-FAMILY: 'Times New Roman'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'"><o:p></o:p></span></p>
<p style="MARGIN-TOP: 0pt; MARGIN-BOTTOM: 0pt" class=p0><span style="FONT-FAMILY: 'Times New Roman'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'"><o:p></o:p></span></p>
<p style="MARGIN-TOP: 0pt; TEXT-INDENT: 21pt; MARGIN-BOTTOM: 0pt" class=p0><span style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'">这个题是同学偶尔碰到的然后偶尔的问我然后我偶尔的觉得有意思，就偶尔的想了想，偶尔的觉得确实很有意思，就偶尔的做出来了。</span><span style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'"><o:p></o:p></span></p>
<p style="MARGIN-TOP: 0pt; TEXT-INDENT: 21pt; MARGIN-BOTTOM: 0pt" class=p0><span style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'">很多人刚看到这个题的时候也许第一反应就是爆搜，因为只有<font face="Times New Roman">3</font><font face=宋体>种可能，搜的话加加剪枝啥的也许可以</font><font face="Times New Roman">AC</font><font face=宋体>。我也不例外，但是我却没往那方面去写，因为题目下面还有一句话：&#8220;小学奥数的东西。先想想为什么这样称。&#8221;于是我就去想简单的方法去了。</font></span><span style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'"><o:p></o:p></span></p>
<p style="MARGIN-TOP: 0pt; TEXT-INDENT: 21pt; MARGIN-BOTTOM: 0pt" class=p0><span style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'">下面是我的推理过程：</span><span style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'"><o:p></o:p></span></p>
<p style="MARGIN-TOP: 0pt; TEXT-INDENT: 21pt; MARGIN-BOTTOM: 0pt" class=p0><span style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'">假设金币总重量为<font face="Times New Roman">N</font><font face=宋体>，第</font><font face="Times New Roman">i</font><font face=宋体>批金币的重量为</font><font face="Times New Roman">xi(9&lt;=xi&lt;=11&amp;&amp;xi</font><font face=宋体>为整数</font><font face="Times New Roman">)</font><font face=宋体>，则：</font></span><span style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'"><o:p></o:p></span></p>
<p style="MARGIN-TOP: 0pt; TEXT-INDENT: 21pt; MARGIN-BOTTOM: 0pt" class=p0><span style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'">1*x1+3*x2+9*x3+...+3^9*x10=N.</span><span style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'"><o:p></o:p></span></p>
<p style="MARGIN-TOP: 0pt; TEXT-INDENT: 21pt; MARGIN-BOTTOM: 0pt" class=p0><span style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'">可以令<font face="Times New Roman">xi=9+yi(0&lt;=y&lt;=2)</font><font face=宋体>，则方程变为：</font></span><span style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'"><o:p></o:p></span></p>
<p style="MARGIN-TOP: 0pt; TEXT-INDENT: 21pt; MARGIN-BOTTOM: 0pt" class=p0><span style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'">1*y1+3*y2+...+3^9*y10=N-1*9-3*9-3^9*9=N-265716.<font face=宋体>令</font><font face="Times New Roman">M=N-265716.</font></span><span style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'"><o:p></o:p></span></p>
<p style="MARGIN-TOP: 0pt; TEXT-INDENT: 21pt; MARGIN-BOTTOM: 0pt" class=p0><span style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'">方程可变为：<font face="Times New Roman">y1+3*(y2+3*(y3+3*(y4+3*(.............)))))=M.</font></span><span style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'"><o:p></o:p></span></p>
<p style="MARGIN-TOP: 0pt; TEXT-INDENT: 21pt; MARGIN-BOTTOM: 0pt" class=p0><span style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'">方程两边同时<font face="Times New Roman">%3</font><font face=宋体>之后显然左边</font><font face="Times New Roman">=y1.</font><font face=宋体>于是循环求</font><font face="Times New Roman">y2,y3...</font><font face=宋体>就行了</font><font face="Times New Roman">-&nbsp;-</font></span><span style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'"><o:p></o:p></span></p>
<p style="MARGIN-TOP: 0pt; MARGIN-BOTTOM: 0pt" class=p0><span style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'">代码如下：</span></p>
<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"><img align=top src="http://www.cppblog.com/Images/OutliningIndicators/None.gif"><span style="COLOR: #000000">#include</span><span style="COLOR: #000000">&lt;</span><span style="COLOR: #000000">iostream</span><span style="COLOR: #000000">&gt;</span><span style="COLOR: #000000"><br><img align=top src="http://www.cppblog.com/Images/OutliningIndicators/None.gif"></span><span style="COLOR: #0000ff">using</span><span style="COLOR: #000000">&nbsp;</span><span style="COLOR: #0000ff">namespace</span><span style="COLOR: #000000">&nbsp;std;<br><img align=top src="http://www.cppblog.com/Images/OutliningIndicators/None.gif"></span><span style="COLOR: #0000ff">int</span><span style="COLOR: #000000">&nbsp;W;<br><img align=top src="http://www.cppblog.com/Images/OutliningIndicators/None.gif"></span><span style="COLOR: #0000ff">int</span><span style="COLOR: #000000">&nbsp;main()<br><img id=Codehighlighter1_58_212_Open_Image onclick="this.style.display='none'; Codehighlighter1_58_212_Open_Text.style.display='none'; Codehighlighter1_58_212_Closed_Image.style.display='inline'; Codehighlighter1_58_212_Closed_Text.style.display='inline';" align=top src="http://www.cppblog.com/Images/OutliningIndicators/ExpandedBlockStart.gif"><img style="DISPLAY: none" id=Codehighlighter1_58_212_Closed_Image onclick="this.style.display='none'; Codehighlighter1_58_212_Closed_Text.style.display='none'; Codehighlighter1_58_212_Open_Image.style.display='inline'; Codehighlighter1_58_212_Open_Text.style.display='inline';" align=top src="http://www.cppblog.com/Images/OutliningIndicators/ContractedBlock.gif"></span><span style="BORDER-BOTTOM: #808080 1px solid; BORDER-LEFT: #808080 1px solid; BACKGROUND-COLOR: #ffffff; DISPLAY: none; BORDER-TOP: #808080 1px solid; BORDER-RIGHT: #808080 1px solid" id=Codehighlighter1_58_212_Closed_Text><img src="http://www.cppblog.com/Images/dot.gif"></span><span id=Codehighlighter1_58_212_Open_Text><span style="COLOR: #000000">{<br><img align=top src="http://www.cppblog.com/Images/OutliningIndicators/InBlock.gif">&nbsp;&nbsp;&nbsp;&nbsp;</span><span style="COLOR: #0000ff">int</span><span style="COLOR: #000000">&nbsp;i;<br><img align=top src="http://www.cppblog.com/Images/OutliningIndicators/InBlock.gif">&nbsp;&nbsp;&nbsp;&nbsp;</span><span style="COLOR: #0000ff">while</span><span style="COLOR: #000000">(scanf(</span><span style="COLOR: #000000">"</span><span style="COLOR: #000000">%d</span><span style="COLOR: #000000">"</span><span style="COLOR: #000000">,</span><span style="COLOR: #000000">&amp;</span><span style="COLOR: #000000">W)</span><span style="COLOR: #000000">!=</span><span style="COLOR: #000000">EOF)<br><img id=Codehighlighter1_97_199_Open_Image onclick="this.style.display='none'; Codehighlighter1_97_199_Open_Text.style.display='none'; Codehighlighter1_97_199_Closed_Image.style.display='inline'; Codehighlighter1_97_199_Closed_Text.style.display='inline';" align=top src="http://www.cppblog.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif"><img style="DISPLAY: none" id=Codehighlighter1_97_199_Closed_Image onclick="this.style.display='none'; Codehighlighter1_97_199_Closed_Text.style.display='none'; Codehighlighter1_97_199_Open_Image.style.display='inline'; Codehighlighter1_97_199_Open_Text.style.display='inline';" align=top src="http://www.cppblog.com/Images/OutliningIndicators/ContractedSubBlock.gif">&nbsp;&nbsp;&nbsp;&nbsp;</span><span style="BORDER-BOTTOM: #808080 1px solid; BORDER-LEFT: #808080 1px solid; BACKGROUND-COLOR: #ffffff; DISPLAY: none; BORDER-TOP: #808080 1px solid; BORDER-RIGHT: #808080 1px solid" id=Codehighlighter1_97_199_Closed_Text><img src="http://www.cppblog.com/Images/dot.gif"></span><span id=Codehighlighter1_97_199_Open_Text><span style="COLOR: #000000">{<br><img align=top src="http://www.cppblog.com/Images/OutliningIndicators/InBlock.gif">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;W</span><span style="COLOR: #000000">-=</span><span style="COLOR: #000000">265716</span><span style="COLOR: #000000">;<br><img align=top src="http://www.cppblog.com/Images/OutliningIndicators/InBlock.gif">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span style="COLOR: #0000ff">for</span><span style="COLOR: #000000">(i</span><span style="COLOR: #000000">=</span><span style="COLOR: #000000">1</span><span style="COLOR: #000000">;i</span><span style="COLOR: #000000">&lt;=</span><span style="COLOR: #000000">9</span><span style="COLOR: #000000">;i</span><span style="COLOR: #000000">++</span><span style="COLOR: #000000">)<br><img id=Codehighlighter1_134_171_Open_Image onclick="this.style.display='none'; Codehighlighter1_134_171_Open_Text.style.display='none'; Codehighlighter1_134_171_Closed_Image.style.display='inline'; Codehighlighter1_134_171_Closed_Text.style.display='inline';" align=top src="http://www.cppblog.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif"><img style="DISPLAY: none" id=Codehighlighter1_134_171_Closed_Image onclick="this.style.display='none'; Codehighlighter1_134_171_Closed_Text.style.display='none'; Codehighlighter1_134_171_Open_Image.style.display='inline'; Codehighlighter1_134_171_Open_Text.style.display='inline';" align=top src="http://www.cppblog.com/Images/OutliningIndicators/ContractedSubBlock.gif">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span style="BORDER-BOTTOM: #808080 1px solid; BORDER-LEFT: #808080 1px solid; BACKGROUND-COLOR: #ffffff; DISPLAY: none; BORDER-TOP: #808080 1px solid; BORDER-RIGHT: #808080 1px solid" id=Codehighlighter1_134_171_Closed_Text><img src="http://www.cppblog.com/Images/dot.gif"></span><span id=Codehighlighter1_134_171_Open_Text><span style="COLOR: #000000">{<br><img align=top src="http://www.cppblog.com/Images/OutliningIndicators/InBlock.gif">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;printf(</span><span style="COLOR: #000000">"</span><span style="COLOR: #000000">%d&nbsp;</span><span style="COLOR: #000000">"</span><span style="COLOR: #000000">,</span><span style="COLOR: #000000">9</span><span style="COLOR: #000000">+</span><span style="COLOR: #000000">W</span><span style="COLOR: #000000">%</span><span style="COLOR: #000000">3</span><span style="COLOR: #000000">);<br><img align=top src="http://www.cppblog.com/Images/OutliningIndicators/InBlock.gif">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;W</span><span style="COLOR: #000000">/=</span><span style="COLOR: #000000">3</span><span style="COLOR: #000000">;<br><img align=top src="http://www.cppblog.com/Images/OutliningIndicators/ExpandedSubBlockEnd.gif">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;}</span></span><span style="COLOR: #000000"><br><img align=top src="http://www.cppblog.com/Images/OutliningIndicators/InBlock.gif">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;printf(</span><span style="COLOR: #000000">"</span><span style="COLOR: #000000">%d\n</span><span style="COLOR: #000000">"</span><span style="COLOR: #000000">,</span><span style="COLOR: #000000">9</span><span style="COLOR: #000000">+</span><span style="COLOR: #000000">W</span><span style="COLOR: #000000">%</span><span style="COLOR: #000000">3</span><span style="COLOR: #000000">);<br><img align=top src="http://www.cppblog.com/Images/OutliningIndicators/ExpandedSubBlockEnd.gif">&nbsp;&nbsp;&nbsp;&nbsp;}</span></span><span style="COLOR: #000000"><br><img align=top src="http://www.cppblog.com/Images/OutliningIndicators/InBlock.gif">&nbsp;&nbsp;&nbsp;&nbsp;</span><span style="COLOR: #0000ff">return</span><span style="COLOR: #000000">&nbsp;</span><span style="COLOR: #000000">0</span><span style="COLOR: #000000">;<br><img align=top src="http://www.cppblog.com/Images/OutliningIndicators/ExpandedBlockEnd.gif">}</span></span></div>
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