锘??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>&#20037;&#20037;&#119;&#119;&#119;&#20813;&#36153;&#20154;&#25104;&#30475;&#29255;&#39640;&#28165;&#13;&#44;&#27431;&#32654;&#39321;&#34121;&#35270;&#39057;&#44;&#38889;&#22269;&#22899;&#20027;&#25773;&#19968;&#21306;&#20108;&#21306;&#19977;&#21306;</title><link>http://m.shnenglu.com/qhpeklh5959/category/20345.html</link><description>鏌崇誕鍥犻璧?/description><language>zh-cn</language><lastBuildDate>Sun, 24 Feb 2013 14:41:33 GMT</lastBuildDate><pubDate>Sun, 24 Feb 2013 14:41:33 GMT</pubDate><ttl>60</ttl><item><title>Codeforces Round#168(Div 2)B Convex Shape</title><link>http://m.shnenglu.com/qhpeklh5959/articles/197966.html</link><dc:creator>嫻呴洦姝?/dc:creator><author>嫻呴洦姝?/author><pubDate>Wed, 20 Feb 2013 21:52:00 GMT</pubDate><guid>http://m.shnenglu.com/qhpeklh5959/articles/197966.html</guid><wfw:comment>http://m.shnenglu.com/qhpeklh5959/comments/197966.html</wfw:comment><comments>http://m.shnenglu.com/qhpeklh5959/articles/197966.html#Feedback</comments><slash:comments>0</slash:comments><wfw:commentRss>http://m.shnenglu.com/qhpeklh5959/comments/commentRss/197966.html</wfw:commentRss><trackback:ping>http://m.shnenglu.com/qhpeklh5959/services/trackbacks/197966.html</trackback:ping><description><![CDATA[<p style="color: #362e2b; font-family: Arial; line-height: 26px; background-color: #ffffff;">棰樼洰榪炴帴錛歨ttp://codeforces.com/contest/275/problem/B</p><p style="color: #362e2b; font-family: Arial; line-height: 26px; background-color: #ffffff;">鐢ㄦ繁鎼滃啓鐨勶紝瀵逛簬姣忎竴涓粦鏍煎瓙錛屽垎鍥涗釜鏂瑰悜娣辨悳錛屽洜涓烘湁鍥涚鎯呭喌錛屾爣璁版暟緇勪篃灝辨湁浜嗗洓縐嶇姸鎬侊紝鍗寵褰曡搗鐐逛粠鍝釜鏂瑰悜寮�濮嬪嚭鍙戠殑錛堣繖涓繕鏈夎褰曟嫄寮鏁板潎涓哄�熼壌寰楁潵錛屼笉榪囧ソ姝規(guī)槸鍙堝浼氫簡鏂扮殑澶勭悊鏂瑰紡錛夈�?/p><p style="color: #362e2b; font-family: Arial; line-height: 26px; background-color: #ffffff;">鏈�榪戜竴鐩村湪澶嶄範鍑嗗琛ヨ�冿紝琛ㄧず鑴戞畫鎵嬫畫鐨刡uff鍙堝紑濮嬭倖铏愪簡錛屽啓涓�涓悳绱㈢珶鐒惰鎴戞牱渚嬮兘榪囦笉鍘誨ソ鍑犳銆傘�?br /><div style="background-color:#eeeeee;font-size:13px;border:1px solid #CCCCCC;padding-right: 5px;padding-bottom: 4px;padding-left: 4px;padding-top: 4px;width: 98%;word-break:break-all"><img id="Code_Closed_Image_055155" onclick="this.style.display='none'; Code_Closed_Text_055155.style.display='none'; Code_Open_Image_055155.style.display='inline'; Code_Open_Text_055155.style.display='inline';" height="16" src="http://m.shnenglu.com/images/OutliningIndicators/ContractedBlock.gif" width="11" align="top"><img id="Code_Open_Image_055155" style="display: none" onclick="this.style.display='none'; Code_Open_Text_055155.style.display='none'; Code_Closed_Image_055155.style.display='inline'; Code_Closed_Text_055155.style.display='inline';" height="16" src="http://m.shnenglu.com/images/OutliningIndicators/ExpandedBlockStart.gif" width="11" align="top"><span id="Code_Closed_Text_055155" style="border-right: #808080 1px solid; border-top: #808080 1px solid; border-left: #808080 1px solid; border-bottom: #808080 1px solid; background-color: #ffffff">view code</span><span id="Code_Open_Text_055155" style="display: none"><br /><!--<br /><br />Code highlighting produced by Actipro CodeHighlighter (freeware)<br />http://www.CodeHighlighter.com/<br /><br />--><span style="color: #008080; ">&nbsp;1</span>&nbsp;<span style="color: #000000; ">#include&nbsp;</span><span style="color: #000000; ">&lt;</span><span style="color: #000000; ">iostream</span><span style="color: #000000; ">&gt;</span><span style="color: #000000; "><br /></span><span style="color: #008080; ">&nbsp;2</span>&nbsp;<span style="color: #000000; ">#include&nbsp;</span><span style="color: #000000; ">&lt;</span><span style="color: #000000; ">cstdio</span><span style="color: #000000; ">&gt;</span><span style="color: #000000; "><br /></span><span style="color: #008080; ">&nbsp;3</span>&nbsp;<span style="color: #000000; ">#include&nbsp;</span><span style="color: #000000; ">&lt;</span><span style="color: #000000; ">cstdlib</span><span style="color: #000000; ">&gt;</span><span style="color: #000000; "><br /></span><span style="color: #008080; ">&nbsp;4</span>&nbsp;<span style="color: #000000; ">#include&nbsp;</span><span style="color: #000000; ">&lt;</span><span style="color: #000000; ">cstring</span><span style="color: #000000; ">&gt;</span><span style="color: #000000; "><br /></span><span style="color: #008080; ">&nbsp;5</span>&nbsp;<span style="color: #000000; ">#include&nbsp;</span><span style="color: #000000; ">&lt;</span><span style="color: #000000; ">cmath</span><span style="color: #000000; ">&gt;</span><span style="color: #000000; "><br /></span><span style="color: #008080; ">&nbsp;6</span>&nbsp;<span style="color: #000000; ">#include&nbsp;</span><span style="color: #000000; ">&lt;</span><span style="color: #000000; ">algorithm</span><span style="color: #000000; ">&gt;</span><span style="color: #000000; "><br /></span><span style="color: #008080; ">&nbsp;7</span>&nbsp;<span style="color: #000000; "></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 /></span><span style="color: #008080; ">&nbsp;8</span>&nbsp;<span style="color: #000000; "></span><span style="color: #0000FF; ">int</span><span style="color: #000000; ">&nbsp;map[</span><span style="color: #000000; ">55</span><span style="color: #000000; ">][</span><span style="color: #000000; ">55</span><span style="color: #000000; ">],&nbsp;n,&nbsp;m;<br /></span><span style="color: #008080; ">&nbsp;9</span>&nbsp;<span style="color: #000000; "></span><span style="color: #0000FF; ">char</span><span style="color: #000000; ">&nbsp;s[</span><span style="color: #000000; ">55</span><span style="color: #000000; ">][</span><span style="color: #000000; ">55</span><span style="color: #000000; ">];<br /></span><span style="color: #008080; ">10</span>&nbsp;<span style="color: #000000; "></span><span style="color: #0000FF; ">const</span><span style="color: #000000; ">&nbsp;</span><span style="color: #0000FF; ">int</span><span style="color: #000000; ">&nbsp;d[</span><span style="color: #000000; ">4</span><span style="color: #000000; ">][</span><span style="color: #000000; ">2</span><span style="color: #000000; ">]&nbsp;</span><span style="color: #000000; ">=</span><span style="color: #000000; ">&nbsp;{</span><span style="color: #000000; ">1</span><span style="color: #000000; ">,&nbsp;</span><span style="color: #000000; ">0</span><span style="color: #000000; ">,&nbsp;</span><span style="color: #000000; ">-</span><span style="color: #000000; ">1</span><span style="color: #000000; ">,&nbsp;</span><span style="color: #000000; ">0</span><span style="color: #000000; ">,&nbsp;</span><span style="color: #000000; ">0</span><span style="color: #000000; ">,&nbsp;</span><span style="color: #000000; ">1</span><span style="color: #000000; ">,&nbsp;</span><span style="color: #000000; ">0</span><span style="color: #000000; ">,&nbsp;</span><span style="color: #000000; ">-</span><span style="color: #000000; ">1</span><span style="color: #000000; ">};<br /></span><span style="color: #008080; ">11</span>&nbsp;<span style="color: #000000; "></span><span style="color: #0000FF; ">bool</span><span style="color: #000000; ">&nbsp;inMap(</span><span style="color: #0000FF; ">int</span><span style="color: #000000; ">&nbsp;x,&nbsp;</span><span style="color: #0000FF; ">int</span><span style="color: #000000; ">&nbsp;y){<br /></span><span style="color: #008080; ">12</span>&nbsp;<span style="color: #000000; ">&nbsp;&nbsp;&nbsp;&nbsp;</span><span style="color: #0000FF; ">return</span><span style="color: #000000; ">&nbsp;x&nbsp;</span><span style="color: #000000; ">&gt;=</span><span style="color: #000000; ">&nbsp;</span><span style="color: #000000; ">0</span><span style="color: #000000; ">&nbsp;</span><span style="color: #000000; ">&amp;&amp;</span><span style="color: #000000; ">&nbsp;x&nbsp;</span><span style="color: #000000; ">&lt;</span><span style="color: #000000; ">&nbsp;n&nbsp;</span><span style="color: #000000; ">&amp;&amp;</span><span style="color: #000000; ">&nbsp;y&nbsp;</span><span style="color: #000000; ">&gt;=</span><span style="color: #000000; ">&nbsp;</span><span style="color: #000000; ">0</span><span style="color: #000000; ">&nbsp;</span><span style="color: #000000; ">&amp;&amp;</span><span style="color: #000000; ">&nbsp;y&nbsp;</span><span style="color: #000000; ">&lt;</span><span style="color: #000000; ">&nbsp;m;<br /></span><span style="color: #008080; ">13</span>&nbsp;<span style="color: #000000; ">}<br /></span><span style="color: #008080; ">14</span>&nbsp;<span style="color: #000000; "></span><span style="color: #0000FF; ">void</span><span style="color: #000000; ">&nbsp;dfs(</span><span style="color: #0000FF; ">int</span><span style="color: #000000; ">&nbsp;x,&nbsp;</span><span style="color: #0000FF; ">int</span><span style="color: #000000; ">&nbsp;y,&nbsp;</span><span style="color: #0000FF; ">int</span><span style="color: #000000; ">&nbsp;dir,&nbsp;</span><span style="color: #0000FF; ">int</span><span style="color: #000000; ">&nbsp;chg,&nbsp;</span><span style="color: #0000FF; ">int</span><span style="color: #000000; ">&nbsp;state){<br /></span><span style="color: #008080; ">15</span>&nbsp;<span style="color: #000000; ">&nbsp;&nbsp;&nbsp;&nbsp;map[x][y]&nbsp;</span><span style="color: #000000; ">=</span><span style="color: #000000; ">&nbsp;state;<br /></span><span style="color: #008080; ">16</span>&nbsp;<span style="color: #000000; ">&nbsp;&nbsp;&nbsp;&nbsp;</span><span style="color: #0000FF; ">for</span><span style="color: #000000; ">&nbsp;(</span><span style="color: #0000FF; ">int</span><span style="color: #000000; ">&nbsp;i&nbsp;</span><span style="color: #000000; ">=</span><span style="color: #000000; ">&nbsp;</span><span style="color: #000000; ">0</span><span style="color: #000000; ">;&nbsp;i&nbsp;</span><span style="color: #000000; ">&lt;</span><span style="color: #000000; ">&nbsp;</span><span style="color: #000000; ">4</span><span style="color: #000000; ">;&nbsp;i</span><span style="color: #000000; ">++</span><span style="color: #000000; ">){<br /></span><span style="color: #008080; ">17</span>&nbsp;<span style="color: #000000; ">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span style="color: #0000FF; ">int</span><span style="color: #000000; ">&nbsp;xx&nbsp;</span><span style="color: #000000; ">=</span><span style="color: #000000; ">&nbsp;x&nbsp;</span><span style="color: #000000; ">+</span><span style="color: #000000; ">&nbsp;d[i][</span><span style="color: #000000; ">0</span><span style="color: #000000; ">];<br /></span><span style="color: #008080; ">18</span>&nbsp;<span style="color: #000000; ">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span style="color: #0000FF; ">int</span><span style="color: #000000; ">&nbsp;yy&nbsp;</span><span style="color: #000000; ">=</span><span style="color: #000000; ">&nbsp;y&nbsp;</span><span style="color: #000000; ">+</span><span style="color: #000000; ">&nbsp;d[i][</span><span style="color: #000000; ">1</span><span style="color: #000000; ">];<br /></span><span style="color: #008080; ">19</span>&nbsp;<span style="color: #000000; ">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span style="color: #0000FF; ">if</span><span style="color: #000000; ">&nbsp;(</span><span style="color: #000000; ">!</span><span style="color: #000000; ">inMap(xx,&nbsp;yy)&nbsp;</span><span style="color: #000000; ">||</span><span style="color: #000000; ">&nbsp;s[xx][yy]&nbsp;</span><span style="color: #000000; ">==</span><span style="color: #000000; ">&nbsp;</span><span style="color: #000000; ">'</span><span style="color: #000000; ">W</span><span style="color: #000000; ">'</span><span style="color: #000000; ">&nbsp;</span><span style="color: #000000; ">||</span><span style="color: #000000; ">&nbsp;map[xx][yy]&nbsp;</span><span style="color: #000000; ">==</span><span style="color: #000000; ">&nbsp;state)&nbsp;</span><span style="color: #0000FF; ">continue</span><span style="color: #000000; ">;<br /></span><span style="color: #008080; ">20</span>&nbsp;<span style="color: #000000; ">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span style="color: #0000FF; ">if</span><span style="color: #000000; ">&nbsp;(i&nbsp;</span><span style="color: #000000; ">!=</span><span style="color: #000000; ">&nbsp;dir&nbsp;</span><span style="color: #000000; ">&amp;&amp;</span><span style="color: #000000; ">&nbsp;chg&nbsp;</span><span style="color: #000000; ">==</span><span style="color: #000000; ">&nbsp;</span><span style="color: #000000; ">0</span><span style="color: #000000; ">)&nbsp;dfs(xx,&nbsp;yy,&nbsp;i,&nbsp;chg&nbsp;</span><span style="color: #000000; ">+</span><span style="color: #000000; ">&nbsp;</span><span style="color: #000000; ">1</span><span style="color: #000000; ">,&nbsp;state);<br /></span><span style="color: #008080; ">21</span>&nbsp;<span style="color: #000000; ">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span style="color: #0000FF; ">else</span><span style="color: #000000; ">&nbsp;</span><span style="color: #0000FF; ">if</span><span style="color: #000000; ">&nbsp;(i&nbsp;</span><span style="color: #000000; ">==</span><span style="color: #000000; ">&nbsp;dir)&nbsp;dfs(xx,&nbsp;yy,&nbsp;i,&nbsp;chg,&nbsp;state);<br /></span><span style="color: #008080; ">22</span>&nbsp;<span style="color: #000000; ">&nbsp;&nbsp;&nbsp;&nbsp;}<br /></span><span style="color: #008080; ">23</span>&nbsp;<span style="color: #000000; ">}<br /></span><span style="color: #008080; ">24</span>&nbsp;<span style="color: #000000; "></span><span style="color: #0000FF; ">int</span><span style="color: #000000; ">&nbsp;main(){<br /></span><span style="color: #008080; ">25</span>&nbsp;<span style="color: #000000; ">&nbsp;&nbsp;&nbsp;&nbsp;cin&nbsp;</span><span style="color: #000000; ">&gt;&gt;</span><span style="color: #000000; ">&nbsp;n&nbsp;</span><span style="color: #000000; ">&gt;&gt;</span><span style="color: #000000; ">&nbsp;m;<br /></span><span style="color: #008080; ">26</span>&nbsp;<span style="color: #000000; ">&nbsp;&nbsp;&nbsp;&nbsp;</span><span style="color: #0000FF; ">for</span><span style="color: #000000; ">&nbsp;(</span><span style="color: #0000FF; ">int</span><span style="color: #000000; ">&nbsp;i&nbsp;</span><span style="color: #000000; ">=</span><span style="color: #000000; ">&nbsp;</span><span style="color: #000000; ">0</span><span style="color: #000000; ">;&nbsp;i&nbsp;</span><span style="color: #000000; ">&lt;</span><span style="color: #000000; ">&nbsp;n;&nbsp;i</span><span style="color: #000000; ">++</span><span style="color: #000000; ">)&nbsp;cin&nbsp;</span><span style="color: #000000; ">&gt;&gt;</span><span style="color: #000000; ">&nbsp;s[i];<br /></span><span style="color: #008080; ">27</span>&nbsp;<span style="color: #000000; ">&nbsp;&nbsp;&nbsp;&nbsp;</span><span style="color: #0000FF; ">for</span><span style="color: #000000; ">&nbsp;(</span><span style="color: #0000FF; ">int</span><span style="color: #000000; ">&nbsp;i&nbsp;</span><span style="color: #000000; ">=</span><span style="color: #000000; ">&nbsp;</span><span style="color: #000000; ">0</span><span style="color: #000000; ">;&nbsp;i&nbsp;</span><span style="color: #000000; ">&lt;</span><span style="color: #000000; ">&nbsp;n;&nbsp;i</span><span style="color: #000000; ">++</span><span style="color: #000000; ">)<br /></span><span style="color: #008080; ">28</span>&nbsp;<span style="color: #000000; ">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span style="color: #0000FF; ">for</span><span style="color: #000000; ">&nbsp;(</span><span style="color: #0000FF; ">int</span><span style="color: #000000; ">&nbsp;j&nbsp;</span><span style="color: #000000; ">=</span><span style="color: #000000; ">&nbsp;</span><span style="color: #000000; ">0</span><span style="color: #000000; ">;&nbsp;j&nbsp;</span><span style="color: #000000; ">&lt;</span><span style="color: #000000; ">&nbsp;m;&nbsp;j</span><span style="color: #000000; ">++</span><span style="color: #000000; ">){<br /></span><span style="color: #008080; ">29</span>&nbsp;<span style="color: #000000; ">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span style="color: #0000FF; ">if</span><span style="color: #000000; ">&nbsp;(s[i][j]&nbsp;</span><span style="color: #000000; ">==</span><span style="color: #000000; ">&nbsp;</span><span style="color: #000000; ">'</span><span style="color: #000000; ">B</span><span style="color: #000000; ">'</span><span style="color: #000000; ">){<br /></span><span style="color: #008080; ">30</span>&nbsp;<span style="color: #000000; ">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;memset(map,&nbsp;</span><span style="color: #000000; ">0</span><span style="color: #000000; ">,&nbsp;</span><span style="color: #0000FF; ">sizeof</span><span style="color: #000000; ">(map));<br /></span><span style="color: #008080; ">31</span>&nbsp;<span style="color: #000000; ">&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; ">&nbsp;(</span><span style="color: #0000FF; ">int</span><span style="color: #000000; ">&nbsp;k&nbsp;</span><span style="color: #000000; ">=</span><span style="color: #000000; ">&nbsp;</span><span style="color: #000000; ">0</span><span style="color: #000000; ">;&nbsp;k&nbsp;</span><span style="color: #000000; ">&lt;</span><span style="color: #000000; ">&nbsp;</span><span style="color: #000000; ">4</span><span style="color: #000000; ">;&nbsp;k</span><span style="color: #000000; ">++</span><span style="color: #000000; ">)&nbsp;dfs(i,&nbsp;j,&nbsp;k,&nbsp;</span><span style="color: #000000; ">0</span><span style="color: #000000; ">,&nbsp;k&nbsp;</span><span style="color: #000000; ">+</span><span style="color: #000000; ">&nbsp;</span><span style="color: #000000; ">1</span><span style="color: #000000; ">);<br /></span><span style="color: #008080; ">32</span>&nbsp;<span style="color: #000000; ">&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; ">&nbsp;(</span><span style="color: #0000FF; ">int</span><span style="color: #000000; ">&nbsp;k&nbsp;</span><span style="color: #000000; ">=</span><span style="color: #000000; ">&nbsp;</span><span style="color: #000000; ">0</span><span style="color: #000000; ">;&nbsp;k&nbsp;</span><span style="color: #000000; ">&lt;</span><span style="color: #000000; ">&nbsp;n;&nbsp;k</span><span style="color: #000000; ">++</span><span style="color: #000000; ">)<br /></span><span style="color: #008080; ">33</span>&nbsp;<span style="color: #000000; ">&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; ">&nbsp;(</span><span style="color: #0000FF; ">int</span><span style="color: #000000; ">&nbsp;l&nbsp;</span><span style="color: #000000; ">=</span><span style="color: #000000; ">&nbsp;</span><span style="color: #000000; ">0</span><span style="color: #000000; ">;&nbsp;l&nbsp;</span><span style="color: #000000; ">&lt;</span><span style="color: #000000; ">&nbsp;m;&nbsp;l</span><span style="color: #000000; ">++</span><span style="color: #000000; ">)<br /></span><span style="color: #008080; ">34</span>&nbsp;<span style="color: #000000; ">&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; ">&nbsp;(s[k][l]&nbsp;</span><span style="color: #000000; ">==</span><span style="color: #000000; ">&nbsp;</span><span style="color: #000000; ">'</span><span style="color: #000000; ">B</span><span style="color: #000000; ">'</span><span style="color: #000000; ">&nbsp;</span><span style="color: #000000; ">&amp;&amp;</span><span style="color: #000000; ">&nbsp;map[k][l]&nbsp;</span><span style="color: #000000; ">==</span><span style="color: #000000; ">&nbsp;</span><span style="color: #000000; ">0</span><span style="color: #000000; ">){<br /></span><span style="color: #008080; ">35</span>&nbsp;<span style="color: #000000; ">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;cout&nbsp;</span><span style="color: #000000; ">&lt;&lt;</span><span style="color: #000000; ">&nbsp;</span><span style="color: #000000; ">"</span><span style="color: #000000; ">NO</span><span style="color: #000000; ">"</span><span style="color: #000000; ">&nbsp;</span><span style="color: #000000; ">&lt;&lt;</span><span style="color: #000000; ">&nbsp;endl;<br /></span><span style="color: #008080; ">36</span>&nbsp;<span style="color: #000000; ">&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; ">return</span><span style="color: #000000; ">&nbsp;</span><span style="color: #000000; ">0</span><span style="color: #000000; ">;<br /></span><span style="color: #008080; ">37</span>&nbsp;<span style="color: #000000; ">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;}<br /></span><span style="color: #008080; ">38</span>&nbsp;<span style="color: #000000; ">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;}<br /></span><span style="color: #008080; ">39</span>&nbsp;<span style="color: #000000; ">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;}<br /></span><span style="color: #008080; ">40</span>&nbsp;<span style="color: #000000; ">&nbsp;&nbsp;&nbsp;&nbsp;cout&nbsp;</span><span style="color: #000000; ">&lt;&lt;</span><span style="color: #000000; ">&nbsp;</span><span style="color: #000000; ">"</span><span style="color: #000000; ">YES</span><span style="color: #000000; ">"</span><span style="color: #000000; ">&nbsp;</span><span style="color: #000000; ">&lt;&lt;</span><span style="color: #000000; ">&nbsp;endl;<br /></span><span style="color: #008080; ">41</span>&nbsp;<span style="color: #000000; ">&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 /></span><span style="color: #008080; ">42</span>&nbsp;<span style="color: #000000; "></span></span></div></p><img src ="http://m.shnenglu.com/qhpeklh5959/aggbug/197966.html" width = "1" height = "1" /><br><br><div align=right><a style="text-decoration:none;" href="http://m.shnenglu.com/qhpeklh5959/" target="_blank">嫻呴洦姝?/a> 2013-02-21 05:52 <a href="http://m.shnenglu.com/qhpeklh5959/articles/197966.html#Feedback" target="_blank" style="text-decoration:none;">鍙戣〃璇勮</a></div>]]></description></item><item><title>POJ3009 Curling 2.0</title><link>http://m.shnenglu.com/qhpeklh5959/articles/197627.html</link><dc:creator>嫻呴洦姝?/dc:creator><author>嫻呴洦姝?/author><pubDate>Wed, 30 Jan 2013 05:40:00 GMT</pubDate><guid>http://m.shnenglu.com/qhpeklh5959/articles/197627.html</guid><wfw:comment>http://m.shnenglu.com/qhpeklh5959/comments/197627.html</wfw:comment><comments>http://m.shnenglu.com/qhpeklh5959/articles/197627.html#Feedback</comments><slash:comments>0</slash:comments><wfw:commentRss>http://m.shnenglu.com/qhpeklh5959/comments/commentRss/197627.html</wfw:commentRss><trackback:ping>http://m.shnenglu.com/qhpeklh5959/services/trackbacks/197627.html</trackback:ping><description><![CDATA[<p style="color: #362e2b; font-family: Arial; line-height: 26px; background-color: #ffffff; ">棰樼洰閾炬帴錛?a  style="color: #6a3906; text-decoration: none; ">http://poj.org/problem?id=3009</a></p><p style="color: #362e2b; font-family: Arial; line-height: 26px; background-color: #ffffff; ">鐪熸槸涓嶇煡閬撴�庝箞鍥炰簨鍎匡紝鏄ㄥぉ鏅氫笂鎴戝啓浜嗕竴鏅氫笂娌C錛屼粖澶╅噸鍐欎簡涓�閬嶅氨鏋滄柇AC浜嗐�?/p><p style="color: #362e2b; font-family: Arial; line-height: 26px; background-color: #ffffff; ">榪欓亾棰樻槸浣夸竴涓簲璇ヨ鏄嫄浜嗕竴鐐瑰効寮効鐨刣fs錛屽氨鏄綋涓斾粎褰撻亣鍒伴殰紕嶇殑鏃跺�欏仠姝紝鍓╀笅鐨勬椂闂村叏閮戒竴鐩村湪璧幫紝鑰屼笖闇�瑕佸垽鏂殑鏄笅涓�姝ユ槸鍚︽槸闅滅錛岃�屼笉鏄綋鍓嶆墍鍦ㄤ綅緗槸鍚︽槸闅滅錛岃�屼笖錛岄渶瑕佺淮鎶ょ殑鏄殰紕嶄細娑堝け錛屾墍浠ラ渶瑕佺敤dfs鏉ョ淮鎸佸湴鍥劇殑鐜錛屾悳绱㈡槸閫愮偣鎼滅儲鐨勶紝灝辨槸鐢ㄤ竴涓驚鐜妸涓嶈鍋滅殑鍦版柟璺寵繃鍘誨氨琛屼簡銆傘�?br /><div style="background-color:#eeeeee;font-size:13px;border:1px solid #CCCCCC;padding-right: 5px;padding-bottom: 4px;padding-left: 4px;padding-top: 4px;width: 98%;word-break:break-all"><img id="Code_Closed_Image_134008" onclick="this.style.display='none'; Code_Closed_Text_134008.style.display='none'; Code_Open_Image_134008.style.display='inline'; Code_Open_Text_134008.style.display='inline';" height="16" src="http://m.shnenglu.com/images/OutliningIndicators/ContractedBlock.gif" width="11" align="top"><img id="Code_Open_Image_134008" style="display: none" onclick="this.style.display='none'; Code_Open_Text_134008.style.display='none'; Code_Closed_Image_134008.style.display='inline'; Code_Closed_Text_134008.style.display='inline';" height="16" src="http://m.shnenglu.com/images/OutliningIndicators/ExpandedBlockStart.gif" width="11" align="top"><span id="Code_Closed_Text_134008" style="border-right: #808080 1px solid; border-top: #808080 1px solid; border-left: #808080 1px solid; border-bottom: #808080 1px solid; background-color: #ffffff">view code</span><span id="Code_Open_Text_134008" style="display: none"><br /><!--<br /><br />Code highlighting produced by Actipro CodeHighlighter (freeware)<br />http://www.CodeHighlighter.com/<br /><br />--><span style="color: #008080; ">&nbsp;1</span>&nbsp;<span style="color: #000000; ">#include&nbsp;</span><span style="color: #000000; ">&lt;</span><span style="color: #000000; ">iostream</span><span style="color: #000000; ">&gt;</span><span style="color: #000000; "><br /></span><span style="color: #008080; ">&nbsp;2</span>&nbsp;<span style="color: #000000; ">#include&nbsp;</span><span style="color: #000000; ">&lt;</span><span style="color: #000000; ">cstdio</span><span style="color: #000000; ">&gt;</span><span style="color: #000000; "><br /></span><span style="color: #008080; ">&nbsp;3</span>&nbsp;<span style="color: #000000; ">#include&nbsp;</span><span style="color: #000000; ">&lt;</span><span style="color: #000000; ">cstdlib</span><span style="color: #000000; ">&gt;</span><span style="color: #000000; "><br /></span><span style="color: #008080; ">&nbsp;4</span>&nbsp;<span style="color: #000000; ">#include&nbsp;</span><span style="color: #000000; ">&lt;</span><span style="color: #000000; ">cstring</span><span style="color: #000000; ">&gt;</span><span style="color: #000000; "><br /></span><span style="color: #008080; ">&nbsp;5</span>&nbsp;<span style="color: #000000; ">#include&nbsp;</span><span style="color: #000000; ">&lt;</span><span style="color: #000000; ">cmath</span><span style="color: #000000; ">&gt;</span><span style="color: #000000; "><br /></span><span style="color: #008080; ">&nbsp;6</span>&nbsp;<span style="color: #000000; ">#include&nbsp;</span><span style="color: #000000; ">&lt;</span><span style="color: #000000; ">algorithm</span><span style="color: #000000; ">&gt;</span><span style="color: #000000; "><br /></span><span style="color: #008080; ">&nbsp;7</span>&nbsp;<span style="color: #000000; "></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 /></span><span style="color: #008080; ">&nbsp;8</span>&nbsp;<span style="color: #000000; "></span><span style="color: #0000FF; ">int</span><span style="color: #000000; ">&nbsp;w,&nbsp;h,&nbsp;map[</span><span style="color: #000000; ">25</span><span style="color: #000000; ">][</span><span style="color: #000000; ">25</span><span style="color: #000000; ">],&nbsp;sx,&nbsp;sy,&nbsp;ans;<br /></span><span style="color: #008080; ">&nbsp;9</span>&nbsp;<span style="color: #000000; "></span><span style="color: #0000FF; ">bool</span><span style="color: #000000; ">&nbsp;ju;<br /></span><span style="color: #008080; ">10</span>&nbsp;<span style="color: #000000; "></span><span style="color: #0000FF; ">const</span><span style="color: #000000; ">&nbsp;</span><span style="color: #0000FF; ">int</span><span style="color: #000000; ">&nbsp;dir[</span><span style="color: #000000; ">4</span><span style="color: #000000; ">][</span><span style="color: #000000; ">2</span><span style="color: #000000; ">]&nbsp;</span><span style="color: #000000; ">=</span><span style="color: #000000; ">&nbsp;{{</span><span style="color: #000000; ">1</span><span style="color: #000000; ">,&nbsp;</span><span style="color: #000000; ">0</span><span style="color: #000000; ">},&nbsp;{</span><span style="color: #000000; ">-</span><span style="color: #000000; ">1</span><span style="color: #000000; ">,&nbsp;</span><span style="color: #000000; ">0</span><span style="color: #000000; ">},&nbsp;{</span><span style="color: #000000; ">0</span><span style="color: #000000; ">,&nbsp;</span><span style="color: #000000; ">1</span><span style="color: #000000; ">},&nbsp;{</span><span style="color: #000000; ">0</span><span style="color: #000000; ">,&nbsp;</span><span style="color: #000000; ">-</span><span style="color: #000000; ">1</span><span style="color: #000000; ">}};<br /></span><span style="color: #008080; ">11</span>&nbsp;<span style="color: #000000; "></span><span style="color: #0000FF; ">bool</span><span style="color: #000000; ">&nbsp;inMap(</span><span style="color: #0000FF; ">int</span><span style="color: #000000; ">&nbsp;x,&nbsp;</span><span style="color: #0000FF; ">int</span><span style="color: #000000; ">&nbsp;y)<br /></span><span style="color: #008080; ">12</span>&nbsp;<span style="color: #000000; ">{<br /></span><span style="color: #008080; ">13</span>&nbsp;<span style="color: #000000; ">&nbsp;&nbsp;&nbsp;&nbsp;</span><span style="color: #0000FF; ">return</span><span style="color: #000000; ">&nbsp;x&nbsp;</span><span style="color: #000000; ">&gt;=</span><span style="color: #000000; ">&nbsp;</span><span style="color: #000000; ">0</span><span style="color: #000000; ">&nbsp;</span><span style="color: #000000; ">&amp;&amp;</span><span style="color: #000000; ">&nbsp;x&nbsp;</span><span style="color: #000000; ">&lt;</span><span style="color: #000000; ">&nbsp;h&nbsp;</span><span style="color: #000000; ">&amp;&amp;</span><span style="color: #000000; ">&nbsp;y&nbsp;</span><span style="color: #000000; ">&gt;=</span><span style="color: #000000; ">&nbsp;</span><span style="color: #000000; ">0</span><span style="color: #000000; ">&nbsp;</span><span style="color: #000000; ">&amp;&amp;</span><span style="color: #000000; ">&nbsp;y&nbsp;</span><span style="color: #000000; ">&lt;</span><span style="color: #000000; ">&nbsp;w;<br /></span><span style="color: #008080; ">14</span>&nbsp;<span style="color: #000000; ">}<br /></span><span style="color: #008080; ">15</span>&nbsp;<span style="color: #000000; "></span><span style="color: #0000FF; ">void</span><span style="color: #000000; ">&nbsp;init()<br /></span><span style="color: #008080; ">16</span>&nbsp;<span style="color: #000000; ">{<br /></span><span style="color: #008080; ">17</span>&nbsp;<span style="color: #000000; ">&nbsp;&nbsp;&nbsp;&nbsp;</span><span style="color: #0000FF; ">for</span><span style="color: #000000; ">&nbsp;(</span><span style="color: #0000FF; ">int</span><span style="color: #000000; ">&nbsp;i&nbsp;</span><span style="color: #000000; ">=</span><span style="color: #000000; ">&nbsp;</span><span style="color: #000000; ">0</span><span style="color: #000000; ">;&nbsp;i&nbsp;</span><span style="color: #000000; ">&lt;</span><span style="color: #000000; ">&nbsp;h;&nbsp;i</span><span style="color: #000000; ">++</span><span style="color: #000000; ">)<br /></span><span style="color: #008080; ">18</span>&nbsp;<span style="color: #000000; ">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span style="color: #0000FF; ">for</span><span style="color: #000000; ">&nbsp;(</span><span style="color: #0000FF; ">int</span><span style="color: #000000; ">&nbsp;j&nbsp;</span><span style="color: #000000; ">=</span><span style="color: #000000; ">&nbsp;</span><span style="color: #000000; ">0</span><span style="color: #000000; ">;&nbsp;j&nbsp;</span><span style="color: #000000; ">&lt;</span><span style="color: #000000; ">&nbsp;w;&nbsp;j</span><span style="color: #000000; ">++</span><span style="color: #000000; ">)<br /></span><span style="color: #008080; ">19</span>&nbsp;<span style="color: #000000; ">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span style="color: #0000FF; ">if</span><span style="color: #000000; ">&nbsp;(map[i][j]&nbsp;</span><span style="color: #000000; ">==</span><span style="color: #000000; ">&nbsp;</span><span style="color: #000000; ">2</span><span style="color: #000000; ">)&nbsp;{sx&nbsp;</span><span style="color: #000000; ">=</span><span style="color: #000000; ">&nbsp;i;&nbsp;sy&nbsp;</span><span style="color: #000000; ">=</span><span style="color: #000000; ">&nbsp;j;}<br /></span><span style="color: #008080; ">20</span>&nbsp;<span style="color: #000000; ">&nbsp;&nbsp;&nbsp;&nbsp;ans&nbsp;</span><span style="color: #000000; ">=</span><span style="color: #000000; ">&nbsp;(</span><span style="color: #000000; ">1</span><span style="color: #000000; ">&nbsp;</span><span style="color: #000000; ">&lt;&lt;</span><span style="color: #000000; ">&nbsp;</span><span style="color: #000000; ">31</span><span style="color: #000000; ">)&nbsp;</span><span style="color: #000000; ">-</span><span style="color: #000000; ">&nbsp;</span><span style="color: #000000; ">1</span><span style="color: #000000; ">;&nbsp;ju&nbsp;</span><span style="color: #000000; ">=</span><span style="color: #000000; ">&nbsp;</span><span style="color: #000000; ">0</span><span style="color: #000000; ">;<br /></span><span style="color: #008080; ">21</span>&nbsp;<span style="color: #000000; ">}<br /></span><span style="color: #008080; ">22</span>&nbsp;<span style="color: #000000; "></span><span style="color: #0000FF; ">void</span><span style="color: #000000; ">&nbsp;dfs(</span><span style="color: #0000FF; ">int</span><span style="color: #000000; ">&nbsp;x,&nbsp;</span><span style="color: #0000FF; ">int</span><span style="color: #000000; ">&nbsp;y,&nbsp;</span><span style="color: #0000FF; ">int</span><span style="color: #000000; ">&nbsp;step)<br /></span><span style="color: #008080; ">23</span>&nbsp;<span style="color: #000000; ">{<br /></span><span style="color: #008080; ">24</span>&nbsp;<span style="color: #000000; ">&nbsp;&nbsp;&nbsp;&nbsp;</span><span style="color: #0000FF; ">if</span><span style="color: #000000; ">&nbsp;(step&nbsp;</span><span style="color: #000000; ">&gt;</span><span style="color: #000000; ">&nbsp;</span><span style="color: #000000; ">10</span><span style="color: #000000; ">)&nbsp;</span><span style="color: #0000FF; ">return</span><span style="color: #000000; ">;<br /></span><span style="color: #008080; ">25</span>&nbsp;<span style="color: #000000; ">&nbsp;&nbsp;&nbsp;&nbsp;</span><span style="color: #0000FF; ">for</span><span style="color: #000000; ">&nbsp;(</span><span style="color: #0000FF; ">int</span><span style="color: #000000; ">&nbsp;i&nbsp;</span><span style="color: #000000; ">=</span><span style="color: #000000; ">&nbsp;</span><span style="color: #000000; ">0</span><span style="color: #000000; ">;&nbsp;i&nbsp;</span><span style="color: #000000; ">&lt;</span><span style="color: #000000; ">&nbsp;</span><span style="color: #000000; ">4</span><span style="color: #000000; ">;&nbsp;i</span><span style="color: #000000; ">++</span><span style="color: #000000; ">)<br /></span><span style="color: #008080; ">26</span>&nbsp;<span style="color: #000000; ">&nbsp;&nbsp;&nbsp;&nbsp;{<br /></span><span style="color: #008080; ">27</span>&nbsp;<span style="color: #000000; ">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span style="color: #0000FF; ">if</span><span style="color: #000000; ">&nbsp;(map[x&nbsp;</span><span style="color: #000000; ">+</span><span style="color: #000000; ">&nbsp;dir[i][</span><span style="color: #000000; ">0</span><span style="color: #000000; ">]][y&nbsp;</span><span style="color: #000000; ">+</span><span style="color: #000000; ">&nbsp;dir[i][</span><span style="color: #000000; ">1</span><span style="color: #000000; ">]]&nbsp;</span><span style="color: #000000; ">==</span><span style="color: #000000; ">&nbsp;</span><span style="color: #000000; ">1</span><span style="color: #000000; ">&nbsp;</span><span style="color: #000000; ">||</span><span style="color: #000000; ">&nbsp;</span><span style="color: #000000; ">!</span><span style="color: #000000; ">inMap(x&nbsp;</span><span style="color: #000000; ">+</span><span style="color: #000000; ">&nbsp;dir[i][</span><span style="color: #000000; ">0</span><span style="color: #000000; ">],&nbsp;y&nbsp;</span><span style="color: #000000; ">+</span><span style="color: #000000; ">&nbsp;dir[i][</span><span style="color: #000000; ">1</span><span style="color: #000000; ">]))&nbsp;</span><span style="color: #0000FF; ">continue</span><span style="color: #000000; ">;<br /></span><span style="color: #008080; ">28</span>&nbsp;<span style="color: #000000; ">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span style="color: #0000FF; ">int</span><span style="color: #000000; ">&nbsp;xx&nbsp;</span><span style="color: #000000; ">=</span><span style="color: #000000; ">&nbsp;x,&nbsp;yy&nbsp;</span><span style="color: #000000; ">=</span><span style="color: #000000; ">&nbsp;y;<br /></span><span style="color: #008080; ">29</span>&nbsp;<span style="color: #000000; ">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span style="color: #0000FF; ">while</span><span style="color: #000000; ">&nbsp;(map[xx&nbsp;</span><span style="color: #000000; ">+</span><span style="color: #000000; ">&nbsp;dir[i][</span><span style="color: #000000; ">0</span><span style="color: #000000; ">]][yy&nbsp;</span><span style="color: #000000; ">+</span><span style="color: #000000; ">&nbsp;dir[i][</span><span style="color: #000000; ">1</span><span style="color: #000000; ">]]&nbsp;</span><span style="color: #000000; ">!=</span><span style="color: #000000; ">&nbsp;</span><span style="color: #000000; ">1</span><span style="color: #000000; ">)<br /></span><span style="color: #008080; ">30</span>&nbsp;<span style="color: #000000; ">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;{<br /></span><span style="color: #008080; ">31</span>&nbsp;<span style="color: #000000; ">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;xx&nbsp;</span><span style="color: #000000; ">+=</span><span style="color: #000000; ">&nbsp;dir[i][</span><span style="color: #000000; ">0</span><span style="color: #000000; ">];&nbsp;yy&nbsp;</span><span style="color: #000000; ">+=</span><span style="color: #000000; ">&nbsp;dir[i][</span><span style="color: #000000; ">1</span><span style="color: #000000; ">];<br /></span><span style="color: #008080; ">32</span>&nbsp;<span style="color: #000000; ">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span style="color: #0000FF; ">if</span><span style="color: #000000; ">&nbsp;(</span><span style="color: #000000; ">!</span><span style="color: #000000; ">inMap(xx,&nbsp;yy))&nbsp;</span><span style="color: #0000FF; ">break</span><span style="color: #000000; ">;<br /></span><span style="color: #008080; ">33</span>&nbsp;<span style="color: #000000; ">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span style="color: #0000FF; ">if</span><span style="color: #000000; ">&nbsp;(map[xx][yy]&nbsp;</span><span style="color: #000000; ">==</span><span style="color: #000000; ">&nbsp;</span><span style="color: #000000; ">3</span><span style="color: #000000; ">)<br /></span><span style="color: #008080; ">34</span>&nbsp;<span style="color: #000000; ">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;{<br /></span><span style="color: #008080; ">35</span>&nbsp;<span style="color: #000000; ">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;ans&nbsp;</span><span style="color: #000000; ">=</span><span style="color: #000000; ">&nbsp;min(step,&nbsp;ans);<br /></span><span style="color: #008080; ">36</span>&nbsp;<span style="color: #000000; ">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;ju&nbsp;</span><span style="color: #000000; ">=</span><span style="color: #000000; ">&nbsp;</span><span style="color: #000000; ">1</span><span style="color: #000000; ">;<br /></span><span style="color: #008080; ">37</span>&nbsp;<span style="color: #000000; ">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span style="color: #0000FF; ">return</span><span style="color: #000000; ">;<br /></span><span style="color: #008080; ">38</span>&nbsp;<span style="color: #000000; ">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;}<br /></span><span style="color: #008080; ">39</span>&nbsp;<span style="color: #000000; ">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;}<br /></span><span style="color: #008080; ">40</span>&nbsp;<span style="color: #000000; ">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span style="color: #0000FF; ">if</span><span style="color: #000000; ">&nbsp;(inMap(xx,&nbsp;yy))<br /></span><span style="color: #008080; ">41</span>&nbsp;<span style="color: #000000; ">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;{<br /></span><span style="color: #008080; ">42</span>&nbsp;<span style="color: #000000; ">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;map[xx&nbsp;</span><span style="color: #000000; ">+</span><span style="color: #000000; ">&nbsp;dir[i][</span><span style="color: #000000; ">0</span><span style="color: #000000; ">]][yy&nbsp;</span><span style="color: #000000; ">+</span><span style="color: #000000; ">&nbsp;dir[i][</span><span style="color: #000000; ">1</span><span style="color: #000000; ">]]&nbsp;</span><span style="color: #000000; ">=</span><span style="color: #000000; ">&nbsp;</span><span style="color: #000000; ">0</span><span style="color: #000000; ">;<br /></span><span style="color: #008080; ">43</span>&nbsp;<span style="color: #000000; ">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;dfs(xx,&nbsp;yy,&nbsp;step&nbsp;</span><span style="color: #000000; ">+</span><span style="color: #000000; ">&nbsp;</span><span style="color: #000000; ">1</span><span style="color: #000000; ">);<br /></span><span style="color: #008080; ">44</span>&nbsp;<span style="color: #000000; ">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;map[xx&nbsp;</span><span style="color: #000000; ">+</span><span style="color: #000000; ">&nbsp;dir[i][</span><span style="color: #000000; ">0</span><span style="color: #000000; ">]][yy&nbsp;</span><span style="color: #000000; ">+</span><span style="color: #000000; ">&nbsp;dir[i][</span><span style="color: #000000; ">1</span><span style="color: #000000; ">]]&nbsp;</span><span style="color: #000000; ">=</span><span style="color: #000000; ">&nbsp;</span><span style="color: #000000; ">1</span><span style="color: #000000; ">;<br /></span><span style="color: #008080; ">45</span>&nbsp;<span style="color: #000000; ">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;}<br /></span><span style="color: #008080; ">46</span>&nbsp;<span style="color: #000000; ">&nbsp;&nbsp;&nbsp;&nbsp;}<br /></span><span style="color: #008080; ">47</span>&nbsp;<span style="color: #000000; ">}<br /></span><span style="color: #008080; ">48</span>&nbsp;<span style="color: #000000; "></span><span style="color: #0000FF; ">int</span><span style="color: #000000; ">&nbsp;main()<br /></span><span style="color: #008080; ">49</span>&nbsp;<span style="color: #000000; ">{<br /></span><span style="color: #008080; ">50</span>&nbsp;<span style="color: #000000; ">&nbsp;&nbsp;&nbsp;&nbsp;</span><span style="color: #0000FF; ">while</span><span style="color: #000000; ">&nbsp;(</span><span style="color: #000000; ">~</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; ">,&nbsp;</span><span style="color: #000000; ">&amp;</span><span style="color: #000000; ">w,&nbsp;</span><span style="color: #000000; ">&amp;</span><span style="color: #000000; ">h))<br /></span><span style="color: #008080; ">51</span>&nbsp;<span style="color: #000000; ">&nbsp;&nbsp;&nbsp;&nbsp;{<br /></span><span style="color: #008080; ">52</span>&nbsp;<span style="color: #000000; ">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span style="color: #0000FF; ">if</span><span style="color: #000000; ">&nbsp;(</span><span style="color: #000000; ">!</span><span style="color: #000000; ">w&nbsp;</span><span style="color: #000000; ">&amp;&amp;</span><span style="color: #000000; ">&nbsp;</span><span style="color: #000000; ">!</span><span style="color: #000000; ">h)&nbsp;</span><span style="color: #0000FF; ">break</span><span style="color: #000000; ">;<br /></span><span style="color: #008080; ">53</span>&nbsp;<span style="color: #000000; ">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;memset(map,&nbsp;</span><span style="color: #000000; ">0</span><span style="color: #000000; ">,&nbsp;</span><span style="color: #0000FF; ">sizeof</span><span style="color: #000000; ">(map));<br /></span><span style="color: #008080; ">54</span>&nbsp;<span style="color: #000000; ">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span style="color: #0000FF; ">for</span><span style="color: #000000; ">&nbsp;(</span><span style="color: #0000FF; ">int</span><span style="color: #000000; ">&nbsp;i&nbsp;</span><span style="color: #000000; ">=</span><span style="color: #000000; ">&nbsp;</span><span style="color: #000000; ">0</span><span style="color: #000000; ">;&nbsp;i&nbsp;</span><span style="color: #000000; ">&lt;</span><span style="color: #000000; ">&nbsp;h;&nbsp;i</span><span style="color: #000000; ">++</span><span style="color: #000000; ">)<br /></span><span style="color: #008080; ">55</span>&nbsp;<span style="color: #000000; ">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span style="color: #0000FF; ">for</span><span style="color: #000000; ">&nbsp;(</span><span style="color: #0000FF; ">int</span><span style="color: #000000; ">&nbsp;j&nbsp;</span><span style="color: #000000; ">=</span><span style="color: #000000; ">&nbsp;</span><span style="color: #000000; ">0</span><span style="color: #000000; ">;&nbsp;j&nbsp;</span><span style="color: #000000; ">&lt;</span><span style="color: #000000; ">&nbsp;w;&nbsp;j</span><span style="color: #000000; ">++</span><span style="color: #000000; ">)&nbsp;scanf(</span><span style="color: #000000; ">"</span><span style="color: #000000; ">%d</span><span style="color: #000000; ">"</span><span style="color: #000000; ">,&nbsp;</span><span style="color: #000000; ">&amp;</span><span style="color: #000000; ">map[i][j]);<br /></span><span style="color: #008080; ">56</span>&nbsp;<span style="color: #000000; ">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;init();<br /></span><span style="color: #008080; ">57</span>&nbsp;<span style="color: #000000; ">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;dfs(sx,&nbsp;sy,&nbsp;</span><span style="color: #000000; ">1</span><span style="color: #000000; ">);<br /></span><span style="color: #008080; ">58</span>&nbsp;<span style="color: #000000; ">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span style="color: #0000FF; ">if</span><span style="color: #000000; ">&nbsp;(ju)&nbsp;printf(</span><span style="color: #000000; ">"</span><span style="color: #000000; ">%d\n</span><span style="color: #000000; ">"</span><span style="color: #000000; ">,&nbsp;ans);<br /></span><span style="color: #008080; ">59</span>&nbsp;<span style="color: #000000; ">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span style="color: #0000FF; ">else</span><span style="color: #000000; ">&nbsp;printf(</span><span style="color: #000000; ">"</span><span style="color: #000000; ">-1\n</span><span style="color: #000000; ">"</span><span style="color: #000000; ">);<br /></span><span style="color: #008080; ">60</span>&nbsp;<span style="color: #000000; ">&nbsp;&nbsp;&nbsp;&nbsp;}<br /></span><span style="color: #008080; ">61</span>&nbsp;<span style="color: #000000; ">&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 /></span><span style="color: #008080; ">62</span>&nbsp;<span style="color: #000000; ">}<br /></span><span style="color: #008080; ">63</span>&nbsp;<span style="color: #000000; "></span></span></div></p><img src ="http://m.shnenglu.com/qhpeklh5959/aggbug/197627.html" width = "1" height = "1" /><br><br><div align=right><a style="text-decoration:none;" href="http://m.shnenglu.com/qhpeklh5959/" target="_blank">嫻呴洦姝?/a> 2013-01-30 13:40 <a href="http://m.shnenglu.com/qhpeklh5959/articles/197627.html#Feedback" target="_blank" style="text-decoration:none;">鍙戣〃璇勮</a></div>]]></description></item><item><title>POJ1321 媯嬬洏闂</title><link>http://m.shnenglu.com/qhpeklh5959/articles/197484.html</link><dc:creator>嫻呴洦姝?/dc:creator><author>嫻呴洦姝?/author><pubDate>Tue, 22 Jan 2013 17:42:00 GMT</pubDate><guid>http://m.shnenglu.com/qhpeklh5959/articles/197484.html</guid><wfw:comment>http://m.shnenglu.com/qhpeklh5959/comments/197484.html</wfw:comment><comments>http://m.shnenglu.com/qhpeklh5959/articles/197484.html#Feedback</comments><slash:comments>0</slash:comments><wfw:commentRss>http://m.shnenglu.com/qhpeklh5959/comments/commentRss/197484.html</wfw:commentRss><trackback:ping>http://m.shnenglu.com/qhpeklh5959/services/trackbacks/197484.html</trackback:ping><description><![CDATA[<p style="color: #362e2b; font-family: Arial; line-height: 26px; background-color: #ffffff;">棰樼洰閾炬帴錛?a  style="color: #6a3906; text-decoration: initial;">http://poj.org/problem?id=1321</a></p><p style="color: #362e2b; font-family: Arial; line-height: 26px; background-color: #ffffff;">鏅哄晢涓嶅浜嗘摝&#8230;&#8230;鎴戝啓鐨勬槸閫愮偣鎼滅儲錛屾灉鏂啓灞庝簡&#8230;&#8230;閫愯鎼滅儲榪囦簡銆傘�傘�備笉琛?#8230;&#8230;閫愮偣鎼滅儲鎴戞槑澶╄鍐嶅啓涓�鍐?#8230;&#8230;<br /><div style="background-color:#eeeeee;font-size:13px;border:1px solid #CCCCCC;padding-right: 5px;padding-bottom: 4px;padding-left: 4px;padding-top: 4px;width: 98%;word-break:break-all"><img id="Code_Closed_Image_014133" onclick="this.style.display='none'; Code_Closed_Text_014133.style.display='none'; Code_Open_Image_014133.style.display='inline'; Code_Open_Text_014133.style.display='inline';" height="16" src="http://m.shnenglu.com/images/OutliningIndicators/ContractedBlock.gif" width="11" align="top"><img id="Code_Open_Image_014133" style="display: none" onclick="this.style.display='none'; Code_Open_Text_014133.style.display='none'; Code_Closed_Image_014133.style.display='inline'; Code_Closed_Text_014133.style.display='inline';" height="16" src="http://m.shnenglu.com/images/OutliningIndicators/ExpandedBlockStart.gif" width="11" align="top"><span id="Code_Closed_Text_014133" style="border-right: #808080 1px solid; border-top: #808080 1px solid; border-left: #808080 1px solid; border-bottom: #808080 1px solid; background-color: #ffffff">view code</span><span id="Code_Open_Text_014133" style="display: none"><br /><!--<br /><br />Code highlighting produced by Actipro CodeHighlighter (freeware)<br />http://www.CodeHighlighter.com/<br /><br />--><span style="color: #008080; ">&nbsp;1</span>&nbsp;<span style="color: #000000; ">#include&nbsp;</span><span style="color: #000000; ">&lt;</span><span style="color: #000000; ">iostream</span><span style="color: #000000; ">&gt;</span><span style="color: #000000; "><br /></span><span style="color: #008080; ">&nbsp;2</span>&nbsp;<span style="color: #000000; ">#include&nbsp;</span><span style="color: #000000; ">&lt;</span><span style="color: #000000; ">cstdio</span><span style="color: #000000; ">&gt;</span><span style="color: #000000; "><br /></span><span style="color: #008080; ">&nbsp;3</span>&nbsp;<span style="color: #000000; ">#include&nbsp;</span><span style="color: #000000; ">&lt;</span><span style="color: #000000; ">cstdlib</span><span style="color: #000000; ">&gt;</span><span style="color: #000000; "><br /></span><span style="color: #008080; ">&nbsp;4</span>&nbsp;<span style="color: #000000; ">#include&nbsp;</span><span style="color: #000000; ">&lt;</span><span style="color: #000000; ">cstring</span><span style="color: #000000; ">&gt;</span><span style="color: #000000; "><br /></span><span style="color: #008080; ">&nbsp;5</span>&nbsp;<span style="color: #000000; ">#include&nbsp;</span><span style="color: #000000; ">&lt;</span><span style="color: #000000; ">cmath</span><span style="color: #000000; ">&gt;</span><span style="color: #000000; "><br /></span><span style="color: #008080; ">&nbsp;6</span>&nbsp;<span style="color: #000000; ">#include&nbsp;</span><span style="color: #000000; ">&lt;</span><span style="color: #000000; ">algorithm</span><span style="color: #000000; ">&gt;</span><span style="color: #000000; "><br /></span><span style="color: #008080; ">&nbsp;7</span>&nbsp;<span style="color: #000000; "></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 /></span><span style="color: #008080; ">&nbsp;8</span>&nbsp;<span style="color: #000000; "></span><span style="color: #0000FF; ">int</span><span style="color: #000000; ">&nbsp;G[</span><span style="color: #000000; ">10</span><span style="color: #000000; ">][</span><span style="color: #000000; ">10</span><span style="color: #000000; ">],&nbsp;n,&nbsp;m,&nbsp;ans,&nbsp;f[</span><span style="color: #000000; ">10</span><span style="color: #000000; ">];<br /></span><span style="color: #008080; ">&nbsp;9</span>&nbsp;<span style="color: #000000; "></span><span style="color: #0000FF; ">char</span><span style="color: #000000; ">&nbsp;s[</span><span style="color: #000000; ">10</span><span style="color: #000000; ">][</span><span style="color: #000000; ">10</span><span style="color: #000000; ">];<br /></span><span style="color: #008080; ">10</span>&nbsp;<span style="color: #000000; "></span><span style="color: #0000FF; ">void</span><span style="color: #000000; ">&nbsp;init()<br /></span><span style="color: #008080; ">11</span>&nbsp;<span style="color: #000000; ">{<br /></span><span style="color: #008080; ">12</span>&nbsp;<span style="color: #000000; ">&nbsp;&nbsp;&nbsp;&nbsp;</span><span style="color: #0000FF; ">for</span><span style="color: #000000; ">&nbsp;(</span><span style="color: #0000FF; ">int</span><span style="color: #000000; ">&nbsp;i&nbsp;</span><span style="color: #000000; ">=</span><span style="color: #000000; ">&nbsp;</span><span style="color: #000000; ">0</span><span style="color: #000000; ">;&nbsp;i&nbsp;</span><span style="color: #000000; ">&lt;</span><span style="color: #000000; ">&nbsp;n;&nbsp;i</span><span style="color: #000000; ">++</span><span style="color: #000000; ">)<br /></span><span style="color: #008080; ">13</span>&nbsp;<span style="color: #000000; ">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span style="color: #0000FF; ">for</span><span style="color: #000000; ">&nbsp;(</span><span style="color: #0000FF; ">int</span><span style="color: #000000; ">&nbsp;j&nbsp;</span><span style="color: #000000; ">=</span><span style="color: #000000; ">&nbsp;</span><span style="color: #000000; ">0</span><span style="color: #000000; ">;&nbsp;j&nbsp;</span><span style="color: #000000; ">&lt;</span><span style="color: #000000; ">&nbsp;n;&nbsp;j</span><span style="color: #000000; ">++</span><span style="color: #000000; ">)<br /></span><span style="color: #008080; ">14</span>&nbsp;<span style="color: #000000; ">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span style="color: #0000FF; ">if</span><span style="color: #000000; ">&nbsp;(s[i][j]&nbsp;</span><span style="color: #000000; ">==</span><span style="color: #000000; ">&nbsp;</span><span style="color: #000000; ">'</span><span style="color: #000000; ">#</span><span style="color: #000000; ">'</span><span style="color: #000000; ">)&nbsp;G[i][j]&nbsp;</span><span style="color: #000000; ">=</span><span style="color: #000000; ">&nbsp;</span><span style="color: #000000; ">1</span><span style="color: #000000; ">;<br /></span><span style="color: #008080; ">15</span>&nbsp;<span style="color: #000000; ">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span style="color: #0000FF; ">else</span><span style="color: #000000; ">&nbsp;G[i][j]&nbsp;</span><span style="color: #000000; ">=</span><span style="color: #000000; ">&nbsp;</span><span style="color: #000000; ">0</span><span style="color: #000000; ">;<br /></span><span style="color: #008080; ">16</span>&nbsp;<span style="color: #000000; ">}<br /></span><span style="color: #008080; ">17</span>&nbsp;<span style="color: #000000; "></span><span style="color: #0000FF; ">void</span><span style="color: #000000; ">&nbsp;dfs(</span><span style="color: #0000FF; ">int</span><span style="color: #000000; ">&nbsp;dep,&nbsp;</span><span style="color: #0000FF; ">int</span><span style="color: #000000; ">&nbsp;k)<br /></span><span style="color: #008080; ">18</span>&nbsp;<span style="color: #000000; ">{<br /></span><span style="color: #008080; ">19</span>&nbsp;<span style="color: #000000; ">&nbsp;&nbsp;&nbsp;&nbsp;</span><span style="color: #0000FF; ">if</span><span style="color: #000000; ">&nbsp;(k&nbsp;</span><span style="color: #000000; ">==</span><span style="color: #000000; ">&nbsp;m)<br /></span><span style="color: #008080; ">20</span>&nbsp;<span style="color: #000000; ">&nbsp;&nbsp;&nbsp;&nbsp;{<br /></span><span style="color: #008080; ">21</span>&nbsp;<span style="color: #000000; ">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;ans</span><span style="color: #000000; ">++</span><span style="color: #000000; ">;&nbsp;</span><span style="color: #0000FF; ">return</span><span style="color: #000000; ">;<br /></span><span style="color: #008080; ">22</span>&nbsp;<span style="color: #000000; ">&nbsp;&nbsp;&nbsp;&nbsp;}<br /></span><span style="color: #008080; ">23</span>&nbsp;<span style="color: #000000; ">&nbsp;&nbsp;&nbsp;&nbsp;</span><span style="color: #0000FF; ">if</span><span style="color: #000000; ">&nbsp;(dep&nbsp;</span><span style="color: #000000; ">&gt;</span><span style="color: #000000; ">&nbsp;n)&nbsp;</span><span style="color: #0000FF; ">return</span><span style="color: #000000; ">;<br /></span><span style="color: #008080; ">24</span>&nbsp;<span style="color: #000000; ">&nbsp;&nbsp;&nbsp;&nbsp;</span><span style="color: #0000FF; ">for</span><span style="color: #000000; ">&nbsp;(</span><span style="color: #0000FF; ">int</span><span style="color: #000000; ">&nbsp;j&nbsp;</span><span style="color: #000000; ">=</span><span style="color: #000000; ">&nbsp;</span><span style="color: #000000; ">0</span><span style="color: #000000; ">;&nbsp;j&nbsp;</span><span style="color: #000000; ">&lt;</span><span style="color: #000000; ">&nbsp;n;&nbsp;j</span><span style="color: #000000; ">++</span><span style="color: #000000; ">)<br /></span><span style="color: #008080; ">25</span>&nbsp;<span style="color: #000000; ">&nbsp;&nbsp;&nbsp;&nbsp;{<br /></span><span style="color: #008080; ">26</span>&nbsp;<span style="color: #000000; ">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span style="color: #0000FF; ">if</span><span style="color: #000000; ">&nbsp;(G[dep][j]&nbsp;</span><span style="color: #000000; ">&amp;&amp;</span><span style="color: #000000; ">&nbsp;</span><span style="color: #000000; ">!</span><span style="color: #000000; ">f[j])<br /></span><span style="color: #008080; ">27</span>&nbsp;<span style="color: #000000; ">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;{<br /></span><span style="color: #008080; ">28</span>&nbsp;<span style="color: #000000; ">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;f[j]&nbsp;</span><span style="color: #000000; ">=</span><span style="color: #000000; ">&nbsp;</span><span style="color: #000000; ">1</span><span style="color: #000000; ">;<br /></span><span style="color: #008080; ">29</span>&nbsp;<span style="color: #000000; ">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;dfs(dep&nbsp;</span><span style="color: #000000; ">+</span><span style="color: #000000; ">&nbsp;</span><span style="color: #000000; ">1</span><span style="color: #000000; ">,&nbsp;k&nbsp;</span><span style="color: #000000; ">+</span><span style="color: #000000; ">&nbsp;</span><span style="color: #000000; ">1</span><span style="color: #000000; ">);<br /></span><span style="color: #008080; ">30</span>&nbsp;<span style="color: #000000; ">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;f[j]&nbsp;</span><span style="color: #000000; ">=</span><span style="color: #000000; ">&nbsp;</span><span style="color: #000000; ">0</span><span style="color: #000000; ">;<br /></span><span style="color: #008080; ">31</span>&nbsp;<span style="color: #000000; ">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;}<br /></span><span style="color: #008080; ">32</span>&nbsp;<span style="color: #000000; ">&nbsp;&nbsp;&nbsp;&nbsp;}<br /></span><span style="color: #008080; ">33</span>&nbsp;<span style="color: #000000; ">&nbsp;&nbsp;&nbsp;&nbsp;dfs(dep&nbsp;</span><span style="color: #000000; ">+</span><span style="color: #000000; ">&nbsp;</span><span style="color: #000000; ">1</span><span style="color: #000000; ">,&nbsp;k);<br /></span><span style="color: #008080; ">34</span>&nbsp;<span style="color: #000000; ">&nbsp;&nbsp;&nbsp;&nbsp;</span><span style="color: #0000FF; ">return</span><span style="color: #000000; ">;<br /></span><span style="color: #008080; ">35</span>&nbsp;<span style="color: #000000; ">}<br /></span><span style="color: #008080; ">36</span>&nbsp;<span style="color: #000000; "></span><span style="color: #0000FF; ">int</span><span style="color: #000000; ">&nbsp;main()<br /></span><span style="color: #008080; ">37</span>&nbsp;<span style="color: #000000; ">{<br /></span><span style="color: #008080; ">38</span>&nbsp;<span style="color: #000000; ">&nbsp;&nbsp;&nbsp;&nbsp;</span><span style="color: #0000FF; ">while</span><span style="color: #000000; ">&nbsp;(</span><span style="color: #000000; ">~</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; ">,&nbsp;</span><span style="color: #000000; ">&amp;</span><span style="color: #000000; ">n,&nbsp;</span><span style="color: #000000; ">&amp;</span><span style="color: #000000; ">m))<br /></span><span style="color: #008080; ">39</span>&nbsp;<span style="color: #000000; ">&nbsp;&nbsp;&nbsp;&nbsp;{<br /></span><span style="color: #008080; ">40</span>&nbsp;<span style="color: #000000; ">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span style="color: #0000FF; ">if</span><span style="color: #000000; ">&nbsp;(n&nbsp;</span><span style="color: #000000; ">==</span><span style="color: #000000; ">&nbsp;</span><span style="color: #000000; ">-</span><span style="color: #000000; ">1</span><span style="color: #000000; ">&nbsp;</span><span style="color: #000000; ">&amp;&amp;</span><span style="color: #000000; ">&nbsp;m&nbsp;</span><span style="color: #000000; ">==</span><span style="color: #000000; ">&nbsp;</span><span style="color: #000000; ">-</span><span style="color: #000000; ">1</span><span style="color: #000000; ">)&nbsp;</span><span style="color: #0000FF; ">break</span><span style="color: #000000; ">;<br /></span><span style="color: #008080; ">41</span>&nbsp;<span style="color: #000000; ">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;memset(f,&nbsp;</span><span style="color: #000000; ">0</span><span style="color: #000000; ">,&nbsp;</span><span style="color: #0000FF; ">sizeof</span><span style="color: #000000; ">(f));<br /></span><span style="color: #008080; ">42</span>&nbsp;<span style="color: #000000; ">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span style="color: #0000FF; ">for</span><span style="color: #000000; ">&nbsp;(</span><span style="color: #0000FF; ">int</span><span style="color: #000000; ">&nbsp;i&nbsp;</span><span style="color: #000000; ">=</span><span style="color: #000000; ">&nbsp;</span><span style="color: #000000; ">0</span><span style="color: #000000; ">;&nbsp;i&nbsp;</span><span style="color: #000000; ">&lt;</span><span style="color: #000000; ">&nbsp;n;&nbsp;i</span><span style="color: #000000; ">++</span><span style="color: #000000; ">)&nbsp;scanf(</span><span style="color: #000000; ">"</span><span style="color: #000000; ">%s</span><span style="color: #000000; ">"</span><span style="color: #000000; ">,&nbsp;s[i]);<br /></span><span style="color: #008080; ">43</span>&nbsp;<span style="color: #000000; ">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;init();<br /></span><span style="color: #008080; ">44</span>&nbsp;<span style="color: #000000; ">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;ans&nbsp;</span><span style="color: #000000; ">=</span><span style="color: #000000; ">&nbsp;</span><span style="color: #000000; ">0</span><span style="color: #000000; ">;<br /></span><span style="color: #008080; ">45</span>&nbsp;<span style="color: #000000; ">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;dfs(</span><span style="color: #000000; ">0</span><span style="color: #000000; ">,&nbsp;</span><span style="color: #000000; ">0</span><span style="color: #000000; ">);<br /></span><span style="color: #008080; ">46</span>&nbsp;<span style="color: #000000; ">&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; ">,&nbsp;ans);<br /></span><span style="color: #008080; ">47</span>&nbsp;<span style="color: #000000; ">&nbsp;&nbsp;&nbsp;&nbsp;}<br /></span><span style="color: #008080; ">48</span>&nbsp;<span style="color: #000000; ">&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 /></span><span style="color: #008080; ">49</span>&nbsp;<span style="color: #000000; ">}<br /></span><span style="color: #008080; ">50</span>&nbsp;<span style="color: #000000; "></span></span></div></p><img src ="http://m.shnenglu.com/qhpeklh5959/aggbug/197484.html" width = "1" height = "1" /><br><br><div align=right><a style="text-decoration:none;" href="http://m.shnenglu.com/qhpeklh5959/" target="_blank">嫻呴洦姝?/a> 2013-01-23 01:42 <a href="http://m.shnenglu.com/qhpeklh5959/articles/197484.html#Feedback" target="_blank" style="text-decoration:none;">鍙戣〃璇勮</a></div>]]></description></item><item><title>POJ2488 A Knight's Journey</title><link>http://m.shnenglu.com/qhpeklh5959/articles/197477.html</link><dc:creator>嫻呴洦姝?/dc:creator><author>嫻呴洦姝?/author><pubDate>Tue, 22 Jan 2013 12:19:00 GMT</pubDate><guid>http://m.shnenglu.com/qhpeklh5959/articles/197477.html</guid><wfw:comment>http://m.shnenglu.com/qhpeklh5959/comments/197477.html</wfw:comment><comments>http://m.shnenglu.com/qhpeklh5959/articles/197477.html#Feedback</comments><slash:comments>0</slash:comments><wfw:commentRss>http://m.shnenglu.com/qhpeklh5959/comments/commentRss/197477.html</wfw:commentRss><trackback:ping>http://m.shnenglu.com/qhpeklh5959/services/trackbacks/197477.html</trackback:ping><description><![CDATA[<p style="color: #362e2b; font-family: Arial; line-height: 26px; background-color: #ffffff;">棰樼洰閾炬帴錛?a  style="color: #6a3906; text-decoration: initial;">http://poj.org/problem?id=2488</a></p><p style="color: #362e2b; font-family: Arial; line-height: 26px; background-color: #ffffff;">榪欐鏃墮棿鎴戣矊浼煎湪鎵懼洖鎴戦珮涓殑閬楁喚鍟?#8230;&#8230;鍋氭悳绱€�傘�傘�?/p><p style="color: #362e2b; font-family: Arial; line-height: 26px; background-color: #ffffff;">闂叉壇瀹屾瘯錛屽枩闂諱箰瑙佺殑楠戝＋閬嶅巻錛屽凡緇忚榪囧緢澶氭浜嗭紝浣嗘槸緇忓父鏄病鏈夊仛灝辨媺鍊掍簡錛屾渶榪戣铏愮殑鏈潃鑷笉瑕佽劯鐨勭簿紲烇紝鎺ョ潃铏?#8230;&#8230;鍒嗗叓涓柟鍚戞繁鎼滐紝鎼滅潃鎼滅潃灝卞嚭鏉ヤ簡錛屼竴杈規(guī)悳涓�杈規(guī)妸閭ｄ釜閭ｄ釜璺緞璁板綍涓嬫潵錛屾渶鍚庢墦鍗板嚭鏉ュ氨琛屼簡錛堟垜绔熺劧榪樻兂鐢╯tring鍋鋒噿錛屼絾鏄槑鏄句笉鍙鍟?#8230;&#8230;sigh錛岀湡鏄病鏅哄晢浜嗭紝娣辨悳閮戒笉浼氫簡&#8230;&#8230;錛?br /><div style="background-color:#eeeeee;font-size:13px;border:1px solid #CCCCCC;padding-right: 5px;padding-bottom: 4px;padding-left: 4px;padding-top: 4px;width: 98%;word-break:break-all"><img id="Code_Closed_Image_201847" onclick="this.style.display='none'; Code_Closed_Text_201847.style.display='none'; Code_Open_Image_201847.style.display='inline'; Code_Open_Text_201847.style.display='inline';" height="16" src="http://m.shnenglu.com/images/OutliningIndicators/ContractedBlock.gif" width="11" align="top"><img id="Code_Open_Image_201847" style="display: none" onclick="this.style.display='none'; Code_Open_Text_201847.style.display='none'; Code_Closed_Image_201847.style.display='inline'; Code_Closed_Text_201847.style.display='inline';" height="16" src="http://m.shnenglu.com/images/OutliningIndicators/ExpandedBlockStart.gif" width="11" align="top"><span id="Code_Closed_Text_201847" style="border-right: #808080 1px solid; border-top: #808080 1px solid; border-left: #808080 1px solid; border-bottom: #808080 1px solid; background-color: #ffffff">view code</span><span id="Code_Open_Text_201847" style="display: none"><br /><!--<br /><br />Code highlighting produced by Actipro CodeHighlighter (freeware)<br />http://www.CodeHighlighter.com/<br /><br />--><span style="color: #008080; ">&nbsp;1</span>&nbsp;<span style="color: #000000; ">#include&nbsp;</span><span style="color: #000000; ">&lt;</span><span style="color: #000000; ">iostream</span><span style="color: #000000; ">&gt;</span><span style="color: #000000; "><br /></span><span style="color: #008080; ">&nbsp;2</span>&nbsp;<span style="color: #000000; ">#include&nbsp;</span><span style="color: #000000; ">&lt;</span><span style="color: #000000; ">cstdio</span><span style="color: #000000; ">&gt;</span><span style="color: #000000; "><br /></span><span style="color: #008080; ">&nbsp;3</span>&nbsp;<span style="color: #000000; ">#include&nbsp;</span><span style="color: #000000; ">&lt;</span><span style="color: #000000; ">cstdlib</span><span style="color: #000000; ">&gt;</span><span style="color: #000000; "><br /></span><span style="color: #008080; ">&nbsp;4</span>&nbsp;<span style="color: #000000; ">#include&nbsp;</span><span style="color: #000000; ">&lt;</span><span style="color: #000000; ">cstring</span><span style="color: #000000; ">&gt;</span><span style="color: #000000; "><br /></span><span style="color: #008080; ">&nbsp;5</span>&nbsp;<span style="color: #000000; ">#include&nbsp;</span><span style="color: #000000; ">&lt;</span><span style="color: #000000; ">cmath</span><span style="color: #000000; ">&gt;</span><span style="color: #000000; "><br /></span><span style="color: #008080; ">&nbsp;6</span>&nbsp;<span style="color: #000000; ">#include&nbsp;</span><span style="color: #000000; ">&lt;</span><span style="color: #000000; ">algorithm</span><span style="color: #000000; ">&gt;</span><span style="color: #000000; "><br /></span><span style="color: #008080; ">&nbsp;7</span>&nbsp;<span style="color: #000000; "></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 /></span><span style="color: #008080; ">&nbsp;8</span>&nbsp;<span style="color: #000000; "></span><span style="color: #0000FF; ">int</span><span style="color: #000000; ">&nbsp;f[</span><span style="color: #000000; ">30</span><span style="color: #000000; ">][</span><span style="color: #000000; ">30</span><span style="color: #000000; ">],&nbsp;ans[</span><span style="color: #000000; ">30</span><span style="color: #000000; ">][</span><span style="color: #000000; ">2</span><span style="color: #000000; ">],&nbsp;n,&nbsp;m;<br /></span><span style="color: #008080; ">&nbsp;9</span>&nbsp;<span style="color: #000000; "></span><span style="color: #0000FF; ">bool</span><span style="color: #000000; ">&nbsp;g;<br /></span><span style="color: #008080; ">10</span>&nbsp;<span style="color: #000000; "></span><span style="color: #0000FF; ">const</span><span style="color: #000000; ">&nbsp;</span><span style="color: #0000FF; ">int</span><span style="color: #000000; ">&nbsp;dir[</span><span style="color: #000000; ">8</span><span style="color: #000000; ">][</span><span style="color: #000000; ">2</span><span style="color: #000000; ">]&nbsp;</span><span style="color: #000000; ">=</span><span style="color: #000000; ">&nbsp;{{</span><span style="color: #000000; ">-</span><span style="color: #000000; ">2</span><span style="color: #000000; ">,&nbsp;</span><span style="color: #000000; ">-</span><span style="color: #000000; ">1</span><span style="color: #000000; ">},&nbsp;{</span><span style="color: #000000; ">-</span><span style="color: #000000; ">2</span><span style="color: #000000; ">,&nbsp;</span><span style="color: #000000; ">1</span><span style="color: #000000; ">},&nbsp;{</span><span style="color: #000000; ">-</span><span style="color: #000000; ">1</span><span style="color: #000000; ">,&nbsp;</span><span style="color: #000000; ">-</span><span style="color: #000000; ">2</span><span style="color: #000000; ">},&nbsp;{</span><span style="color: #000000; ">-</span><span style="color: #000000; ">1</span><span style="color: #000000; ">,&nbsp;</span><span style="color: #000000; ">2</span><span style="color: #000000; ">},&nbsp;{</span><span style="color: #000000; ">1</span><span style="color: #000000; ">,&nbsp;</span><span style="color: #000000; ">-</span><span style="color: #000000; ">2</span><span style="color: #000000; ">},&nbsp;{</span><span style="color: #000000; ">1</span><span style="color: #000000; ">,&nbsp;</span><span style="color: #000000; ">2</span><span style="color: #000000; ">},&nbsp;{</span><span style="color: #000000; ">2</span><span style="color: #000000; ">,&nbsp;</span><span style="color: #000000; ">-</span><span style="color: #000000; ">1</span><span style="color: #000000; ">},&nbsp;{</span><span style="color: #000000; ">2</span><span style="color: #000000; ">,&nbsp;</span><span style="color: #000000; ">1</span><span style="color: #000000; ">}};<br /></span><span style="color: #008080; ">11</span>&nbsp;<span style="color: #000000; "></span><span style="color: #0000FF; ">bool</span><span style="color: #000000; ">&nbsp;inMap(</span><span style="color: #0000FF; ">int</span><span style="color: #000000; ">&nbsp;x,&nbsp;</span><span style="color: #0000FF; ">int</span><span style="color: #000000; ">&nbsp;y)<br /></span><span style="color: #008080; ">12</span>&nbsp;<span style="color: #000000; ">{<br /></span><span style="color: #008080; ">13</span>&nbsp;<span style="color: #000000; ">&nbsp;&nbsp;&nbsp;&nbsp;</span><span style="color: #0000FF; ">return</span><span style="color: #000000; ">&nbsp;x&nbsp;</span><span style="color: #000000; ">&gt;=</span><span style="color: #000000; ">&nbsp;</span><span style="color: #000000; ">0</span><span style="color: #000000; ">&nbsp;</span><span style="color: #000000; ">&amp;&amp;</span><span style="color: #000000; ">&nbsp;x&nbsp;</span><span style="color: #000000; ">&lt;</span><span style="color: #000000; ">&nbsp;m&nbsp;</span><span style="color: #000000; ">&amp;&amp;</span><span style="color: #000000; ">&nbsp;y&nbsp;</span><span style="color: #000000; ">&gt;=</span><span style="color: #000000; ">&nbsp;</span><span style="color: #000000; ">0</span><span style="color: #000000; ">&nbsp;</span><span style="color: #000000; ">&amp;&amp;</span><span style="color: #000000; ">&nbsp;y&nbsp;</span><span style="color: #000000; ">&lt;</span><span style="color: #000000; ">&nbsp;n;<br /></span><span style="color: #008080; ">14</span>&nbsp;<span style="color: #000000; ">}<br /></span><span style="color: #008080; ">15</span>&nbsp;<span style="color: #000000; "></span><span style="color: #0000FF; ">void</span><span style="color: #000000; ">&nbsp;dfs(</span><span style="color: #0000FF; ">int</span><span style="color: #000000; ">&nbsp;x,&nbsp;</span><span style="color: #0000FF; ">int</span><span style="color: #000000; ">&nbsp;y,&nbsp;</span><span style="color: #0000FF; ">int</span><span style="color: #000000; ">&nbsp;k)<br /></span><span style="color: #008080; ">16</span>&nbsp;<span style="color: #000000; ">{<br /></span><span style="color: #008080; ">17</span>&nbsp;<span style="color: #000000; ">&nbsp;&nbsp;&nbsp;&nbsp;</span><span style="color: #0000FF; ">if</span><span style="color: #000000; ">&nbsp;(k&nbsp;</span><span style="color: #000000; ">==</span><span style="color: #000000; ">&nbsp;n&nbsp;</span><span style="color: #000000; ">*</span><span style="color: #000000; ">&nbsp;m)<br /></span><span style="color: #008080; ">18</span>&nbsp;<span style="color: #000000; ">&nbsp;&nbsp;&nbsp;&nbsp;{<br /></span><span style="color: #008080; ">19</span>&nbsp;<span style="color: #000000; ">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span style="color: #0000FF; ">for</span><span style="color: #000000; ">&nbsp;(</span><span style="color: #0000FF; ">int</span><span style="color: #000000; ">&nbsp;i&nbsp;</span><span style="color: #000000; ">=</span><span style="color: #000000; ">&nbsp;</span><span style="color: #000000; ">0</span><span style="color: #000000; ">;&nbsp;i&nbsp;</span><span style="color: #000000; ">&lt;</span><span style="color: #000000; ">&nbsp;k;&nbsp;i</span><span style="color: #000000; ">++</span><span style="color: #000000; ">)<br /></span><span style="color: #008080; ">20</span>&nbsp;<span style="color: #000000; ">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;printf(</span><span style="color: #000000; ">"</span><span style="color: #000000; ">%c%d</span><span style="color: #000000; ">"</span><span style="color: #000000; ">,&nbsp;ans[i][</span><span style="color: #000000; ">0</span><span style="color: #000000; ">]&nbsp;</span><span style="color: #000000; ">+</span><span style="color: #000000; ">&nbsp;</span><span style="color: #000000; ">65</span><span style="color: #000000; ">,&nbsp;ans[i][</span><span style="color: #000000; ">1</span><span style="color: #000000; ">]&nbsp;</span><span style="color: #000000; ">+</span><span style="color: #000000; ">&nbsp;</span><span style="color: #000000; ">1</span><span style="color: #000000; ">);<br /></span><span style="color: #008080; ">21</span>&nbsp;<span style="color: #000000; ">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;printf(</span><span style="color: #000000; ">"</span><span style="color: #000000; ">\n</span><span style="color: #000000; ">"</span><span style="color: #000000; ">);<br /></span><span style="color: #008080; ">22</span>&nbsp;<span style="color: #000000; ">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;g&nbsp;</span><span style="color: #000000; ">=</span><span style="color: #000000; ">&nbsp;</span><span style="color: #000000; ">1</span><span style="color: #000000; ">;<br /></span><span style="color: #008080; ">23</span>&nbsp;<span style="color: #000000; ">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span style="color: #0000FF; ">return</span><span style="color: #000000; ">;<br /></span><span style="color: #008080; ">24</span>&nbsp;<span style="color: #000000; ">&nbsp;&nbsp;&nbsp;&nbsp;}<br /></span><span style="color: #008080; ">25</span>&nbsp;<span style="color: #000000; ">&nbsp;&nbsp;&nbsp;&nbsp;</span><span style="color: #0000FF; ">for</span><span style="color: #000000; ">&nbsp;(</span><span style="color: #0000FF; ">int</span><span style="color: #000000; ">&nbsp;i&nbsp;</span><span style="color: #000000; ">=</span><span style="color: #000000; ">&nbsp;</span><span style="color: #000000; ">0</span><span style="color: #000000; ">;&nbsp;i&nbsp;</span><span style="color: #000000; ">&lt;</span><span style="color: #000000; ">&nbsp;</span><span style="color: #000000; ">8</span><span style="color: #000000; ">;&nbsp;i</span><span style="color: #000000; ">++</span><span style="color: #000000; ">)<br /></span><span style="color: #008080; ">26</span>&nbsp;<span style="color: #000000; ">&nbsp;&nbsp;&nbsp;&nbsp;{<br /></span><span style="color: #008080; ">27</span>&nbsp;<span style="color: #000000; ">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span style="color: #0000FF; ">int</span><span style="color: #000000; ">&nbsp;xx&nbsp;</span><span style="color: #000000; ">=</span><span style="color: #000000; ">&nbsp;x&nbsp;</span><span style="color: #000000; ">+</span><span style="color: #000000; ">&nbsp;dir[i][</span><span style="color: #000000; ">0</span><span style="color: #000000; ">];<br /></span><span style="color: #008080; ">28</span>&nbsp;<span style="color: #000000; ">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span style="color: #0000FF; ">int</span><span style="color: #000000; ">&nbsp;yy&nbsp;</span><span style="color: #000000; ">=</span><span style="color: #000000; ">&nbsp;y&nbsp;</span><span style="color: #000000; ">+</span><span style="color: #000000; ">&nbsp;dir[i][</span><span style="color: #000000; ">1</span><span style="color: #000000; ">];<br /></span><span style="color: #008080; ">29</span>&nbsp;<span style="color: #000000; ">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span style="color: #0000FF; ">if</span><span style="color: #000000; ">&nbsp;(inMap(xx,&nbsp;yy)&nbsp;</span><span style="color: #000000; ">&amp;&amp;</span><span style="color: #000000; ">&nbsp;</span><span style="color: #000000; ">!</span><span style="color: #000000; ">f[xx][yy]&nbsp;</span><span style="color: #000000; ">&amp;&amp;</span><span style="color: #000000; ">&nbsp;</span><span style="color: #000000; ">!</span><span style="color: #000000; ">g)<br /></span><span style="color: #008080; ">30</span>&nbsp;<span style="color: #000000; ">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;{<br /></span><span style="color: #008080; ">31</span>&nbsp;<span style="color: #000000; ">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;f[xx][yy]&nbsp;</span><span style="color: #000000; ">=</span><span style="color: #000000; ">&nbsp;</span><span style="color: #000000; ">1</span><span style="color: #000000; ">;<br /></span><span style="color: #008080; ">32</span>&nbsp;<span style="color: #000000; ">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;ans[k][</span><span style="color: #000000; ">0</span><span style="color: #000000; ">]&nbsp;</span><span style="color: #000000; ">=</span><span style="color: #000000; ">&nbsp;xx;&nbsp;ans[k][</span><span style="color: #000000; ">1</span><span style="color: #000000; ">]&nbsp;</span><span style="color: #000000; ">=</span><span style="color: #000000; ">&nbsp;yy;<br /></span><span style="color: #008080; ">33</span>&nbsp;<span style="color: #000000; ">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;dfs(xx,&nbsp;yy,&nbsp;k&nbsp;</span><span style="color: #000000; ">+</span><span style="color: #000000; ">&nbsp;</span><span style="color: #000000; ">1</span><span style="color: #000000; ">);<br /></span><span style="color: #008080; ">34</span>&nbsp;<span style="color: #000000; ">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;f[xx][yy]&nbsp;</span><span style="color: #000000; ">=</span><span style="color: #000000; ">&nbsp;</span><span style="color: #000000; ">0</span><span style="color: #000000; ">;<br /></span><span style="color: #008080; ">35</span>&nbsp;<span style="color: #000000; ">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;}<br /></span><span style="color: #008080; ">36</span>&nbsp;<span style="color: #000000; ">&nbsp;&nbsp;&nbsp;&nbsp;}<br /></span><span style="color: #008080; ">37</span>&nbsp;<span style="color: #000000; ">}<br /></span><span style="color: #008080; ">38</span>&nbsp;<span style="color: #000000; "></span><span style="color: #0000FF; ">int</span><span style="color: #000000; ">&nbsp;main()<br /></span><span style="color: #008080; ">39</span>&nbsp;<span style="color: #000000; ">{<br /></span><span style="color: #008080; ">40</span>&nbsp;<span style="color: #000000; ">&nbsp;&nbsp;&nbsp;&nbsp;</span><span style="color: #0000FF; ">int</span><span style="color: #000000; ">&nbsp;t;<br /></span><span style="color: #008080; ">41</span>&nbsp;<span style="color: #000000; ">&nbsp;&nbsp;&nbsp;&nbsp;</span><span style="color: #0000FF; ">while</span><span style="color: #000000; ">&nbsp;(</span><span style="color: #000000; ">~</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; ">,&nbsp;</span><span style="color: #000000; ">&amp;</span><span style="color: #000000; ">t))<br /></span><span style="color: #008080; ">42</span>&nbsp;<span style="color: #000000; ">&nbsp;&nbsp;&nbsp;&nbsp;{<br /></span><span style="color: #008080; ">43</span>&nbsp;<span style="color: #000000; ">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span style="color: #0000FF; ">for</span><span style="color: #000000; ">&nbsp;(</span><span style="color: #0000FF; ">int</span><span style="color: #000000; ">&nbsp;i&nbsp;</span><span style="color: #000000; ">=</span><span style="color: #000000; ">&nbsp;</span><span style="color: #000000; ">1</span><span style="color: #000000; ">;&nbsp;i&nbsp;</span><span style="color: #000000; ">&lt;=</span><span style="color: #000000; ">&nbsp;t;&nbsp;i</span><span style="color: #000000; ">++</span><span style="color: #000000; ">)<br /></span><span style="color: #008080; ">44</span>&nbsp;<span style="color: #000000; ">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;{<br /></span><span style="color: #008080; ">45</span>&nbsp;<span style="color: #000000; ">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;memset(f,&nbsp;</span><span style="color: #000000; ">0</span><span style="color: #000000; ">,&nbsp;</span><span style="color: #0000FF; ">sizeof</span><span style="color: #000000; ">(f));<br /></span><span style="color: #008080; ">46</span>&nbsp;<span style="color: #000000; ">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;memset(ans,&nbsp;</span><span style="color: #000000; ">0</span><span style="color: #000000; ">,&nbsp;</span><span style="color: #0000FF; ">sizeof</span><span style="color: #000000; ">(ans));<br /></span><span style="color: #008080; ">47</span>&nbsp;<span style="color: #000000; ">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;g&nbsp;</span><span style="color: #000000; ">=</span><span style="color: #000000; ">&nbsp;</span><span style="color: #000000; ">0</span><span style="color: #000000; ">;<br /></span><span style="color: #008080; ">48</span>&nbsp;<span style="color: #000000; ">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;scanf(</span><span style="color: #000000; ">"</span><span style="color: #000000; ">%d%d</span><span style="color: #000000; ">"</span><span style="color: #000000; ">,&nbsp;</span><span style="color: #000000; ">&amp;</span><span style="color: #000000; ">n,&nbsp;</span><span style="color: #000000; ">&amp;</span><span style="color: #000000; ">m);<br /></span><span style="color: #008080; ">49</span>&nbsp;<span style="color: #000000; ">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;f[</span><span style="color: #000000; ">0</span><span style="color: #000000; ">][</span><span style="color: #000000; ">0</span><span style="color: #000000; ">]&nbsp;</span><span style="color: #000000; ">=</span><span style="color: #000000; ">&nbsp;</span><span style="color: #000000; ">1</span><span style="color: #000000; ">;<br /></span><span style="color: #008080; ">50</span>&nbsp;<span style="color: #000000; ">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;ans[</span><span style="color: #000000; ">0</span><span style="color: #000000; ">][</span><span style="color: #000000; ">0</span><span style="color: #000000; ">]&nbsp;</span><span style="color: #000000; ">=</span><span style="color: #000000; ">&nbsp;ans[</span><span style="color: #000000; ">0</span><span style="color: #000000; ">][</span><span style="color: #000000; ">1</span><span style="color: #000000; ">]&nbsp;</span><span style="color: #000000; ">=</span><span style="color: #000000; ">&nbsp;</span><span style="color: #000000; ">0</span><span style="color: #000000; ">;<br /></span><span style="color: #008080; ">51</span>&nbsp;<span style="color: #000000; ">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;printf(</span><span style="color: #000000; ">"</span><span style="color: #000000; ">Scenario&nbsp;#%d:\n</span><span style="color: #000000; ">"</span><span style="color: #000000; ">,&nbsp;i);<br /></span><span style="color: #008080; ">52</span>&nbsp;<span style="color: #000000; ">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;dfs(</span><span style="color: #000000; ">0</span><span style="color: #000000; ">,&nbsp;</span><span style="color: #000000; ">0</span><span style="color: #000000; ">,&nbsp;</span><span style="color: #000000; ">1</span><span style="color: #000000; ">);<br /></span><span style="color: #008080; ">53</span>&nbsp;<span style="color: #000000; ">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span style="color: #0000FF; ">if</span><span style="color: #000000; ">&nbsp;(</span><span style="color: #000000; ">!</span><span style="color: #000000; ">g)&nbsp;printf(</span><span style="color: #000000; ">"</span><span style="color: #000000; ">impossible\n</span><span style="color: #000000; ">"</span><span style="color: #000000; ">);<br /></span><span style="color: #008080; ">54</span>&nbsp;<span style="color: #000000; ">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;printf(</span><span style="color: #000000; ">"</span><span style="color: #000000; ">\n</span><span style="color: #000000; ">"</span><span style="color: #000000; ">);<br /></span><span style="color: #008080; ">55</span>&nbsp;<span style="color: #000000; ">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;}<br /></span><span style="color: #008080; ">56</span>&nbsp;<span style="color: #000000; ">&nbsp;&nbsp;&nbsp;&nbsp;}<br /></span><span style="color: #008080; ">57</span>&nbsp;<span style="color: #000000; ">&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 /></span><span style="color: #008080; ">58</span>&nbsp;<span style="color: #000000; ">}<br /></span><span style="color: #008080; ">59</span>&nbsp;<span style="color: #000000; "></span></span></div></p><img src ="http://m.shnenglu.com/qhpeklh5959/aggbug/197477.html" width = "1" height = "1" /><br><br><div align=right><a style="text-decoration:none;" href="http://m.shnenglu.com/qhpeklh5959/" target="_blank">嫻呴洦姝?/a> 2013-01-22 20:19 <a href="http://m.shnenglu.com/qhpeklh5959/articles/197477.html#Feedback" target="_blank" style="text-decoration:none;">鍙戣〃璇勮</a></div>]]></description></item><item><title>POJ3620 Avoid The Lakes</title><link>http://m.shnenglu.com/qhpeklh5959/articles/197474.html</link><dc:creator>嫻呴洦姝?/dc:creator><author>嫻呴洦姝?/author><pubDate>Tue, 22 Jan 2013 10:34:00 GMT</pubDate><guid>http://m.shnenglu.com/qhpeklh5959/articles/197474.html</guid><wfw:comment>http://m.shnenglu.com/qhpeklh5959/comments/197474.html</wfw:comment><comments>http://m.shnenglu.com/qhpeklh5959/articles/197474.html#Feedback</comments><slash:comments>0</slash:comments><wfw:commentRss>http://m.shnenglu.com/qhpeklh5959/comments/commentRss/197474.html</wfw:commentRss><trackback:ping>http://m.shnenglu.com/qhpeklh5959/services/trackbacks/197474.html</trackback:ping><description><![CDATA[<p style="color: #362e2b; font-family: Arial; line-height: 26px; background-color: #ffffff;">棰樼洰閾炬帴錛?a  style="color: #6a3906; text-decoration: initial;">http://poj.org/problem?id=3620</a></p><p style="color: #362e2b; font-family: Arial; line-height: 26px; background-color: #ffffff;">鍒嗗洓涓柟鍚慸fs錛屾渶鍚庢壘鍒版渶澶у�箋�?br /><div style="background-color:#eeeeee;font-size:13px;border:1px solid #CCCCCC;padding-right: 5px;padding-bottom: 4px;padding-left: 4px;padding-top: 4px;width: 98%;word-break:break-all"><img id="Code_Closed_Image_183348" onclick="this.style.display='none'; Code_Closed_Text_183348.style.display='none'; Code_Open_Image_183348.style.display='inline'; Code_Open_Text_183348.style.display='inline';" height="16" src="http://m.shnenglu.com/images/OutliningIndicators/ContractedBlock.gif" width="11" align="top"><img id="Code_Open_Image_183348" style="display: none" onclick="this.style.display='none'; Code_Open_Text_183348.style.display='none'; Code_Closed_Image_183348.style.display='inline'; Code_Closed_Text_183348.style.display='inline';" height="16" src="http://m.shnenglu.com/images/OutliningIndicators/ExpandedBlockStart.gif" width="11" align="top"><span id="Code_Closed_Text_183348" style="border-right: #808080 1px solid; border-top: #808080 1px solid; border-left: #808080 1px solid; border-bottom: #808080 1px solid; background-color: #ffffff">view code</span><span id="Code_Open_Text_183348" style="display: none"><br /><!--<br /><br />Code highlighting produced by Actipro CodeHighlighter (freeware)<br />http://www.CodeHighlighter.com/<br /><br />--><span style="color: #008080; ">&nbsp;1</span>&nbsp;<span style="color: #000000; ">#include&nbsp;</span><span style="color: #000000; ">&lt;</span><span style="color: #000000; ">iostream</span><span style="color: #000000; ">&gt;</span><span style="color: #000000; "><br /></span><span style="color: #008080; ">&nbsp;2</span>&nbsp;<span style="color: #000000; ">#include&nbsp;</span><span style="color: #000000; ">&lt;</span><span style="color: #000000; ">cstdio</span><span style="color: #000000; ">&gt;</span><span style="color: #000000; "><br /></span><span style="color: #008080; ">&nbsp;3</span>&nbsp;<span style="color: #000000; ">#include&nbsp;</span><span style="color: #000000; ">&lt;</span><span style="color: #000000; ">cstdlib</span><span style="color: #000000; ">&gt;</span><span style="color: #000000; "><br /></span><span style="color: #008080; ">&nbsp;4</span>&nbsp;<span style="color: #000000; ">#include&nbsp;</span><span style="color: #000000; ">&lt;</span><span style="color: #000000; ">cstring</span><span style="color: #000000; ">&gt;</span><span style="color: #000000; "><br /></span><span style="color: #008080; ">&nbsp;5</span>&nbsp;<span style="color: #000000; ">#include&nbsp;</span><span style="color: #000000; ">&lt;</span><span style="color: #000000; ">cmath</span><span style="color: #000000; ">&gt;</span><span style="color: #000000; "><br /></span><span style="color: #008080; ">&nbsp;6</span>&nbsp;<span style="color: #000000; ">#include&nbsp;</span><span style="color: #000000; ">&lt;</span><span style="color: #000000; ">algorithm</span><span style="color: #000000; ">&gt;</span><span style="color: #000000; "><br /></span><span style="color: #008080; ">&nbsp;7</span>&nbsp;<span style="color: #000000; "></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 /></span><span style="color: #008080; ">&nbsp;8</span>&nbsp;<span style="color: #000000; "></span><span style="color: #0000FF; ">#define</span><span style="color: #000000; ">&nbsp;maxl&nbsp;10000</span><span style="color: #000000; "><br /></span><span style="color: #008080; ">&nbsp;9</span>&nbsp;<span style="color: #000000; "></span><span style="color: #0000FF; ">int</span><span style="color: #000000; ">&nbsp;n,&nbsp;m,&nbsp;k,&nbsp;num,&nbsp;G[</span><span style="color: #000000; ">110</span><span style="color: #000000; ">][</span><span style="color: #000000; ">110</span><span style="color: #000000; ">],&nbsp;f[</span><span style="color: #000000; ">110</span><span style="color: #000000; ">][</span><span style="color: #000000; ">110</span><span style="color: #000000; ">];<br /></span><span style="color: #008080; ">10</span>&nbsp;<span style="color: #000000; "></span><span style="color: #0000FF; ">int</span><span style="color: #000000; ">&nbsp;dir[</span><span style="color: #000000; ">4</span><span style="color: #000000; ">][</span><span style="color: #000000; ">2</span><span style="color: #000000; ">]&nbsp;</span><span style="color: #000000; ">=</span><span style="color: #000000; ">&nbsp;{{</span><span style="color: #000000; ">1</span><span style="color: #000000; ">,&nbsp;</span><span style="color: #000000; ">0</span><span style="color: #000000; ">},&nbsp;{</span><span style="color: #000000; ">-</span><span style="color: #000000; ">1</span><span style="color: #000000; ">,&nbsp;</span><span style="color: #000000; ">0</span><span style="color: #000000; ">},&nbsp;{</span><span style="color: #000000; ">0</span><span style="color: #000000; ">,&nbsp;</span><span style="color: #000000; ">1</span><span style="color: #000000; ">},&nbsp;{</span><span style="color: #000000; ">0</span><span style="color: #000000; ">,&nbsp;</span><span style="color: #000000; ">-</span><span style="color: #000000; ">1</span><span style="color: #000000; ">}};<br /></span><span style="color: #008080; ">11</span>&nbsp;<span style="color: #000000; "></span><span style="color: #0000FF; ">int</span><span style="color: #000000; ">&nbsp;dfs(</span><span style="color: #0000FF; ">int</span><span style="color: #000000; ">&nbsp;p,&nbsp;</span><span style="color: #0000FF; ">int</span><span style="color: #000000; ">&nbsp;q)<br /></span><span style="color: #008080; ">12</span>&nbsp;<span style="color: #000000; ">{<br /></span><span style="color: #008080; ">13</span>&nbsp;<span style="color: #000000; ">&nbsp;&nbsp;&nbsp;&nbsp;f[p][q]&nbsp;</span><span style="color: #000000; ">=</span><span style="color: #000000; ">&nbsp;</span><span style="color: #000000; ">1</span><span style="color: #000000; ">;<br /></span><span style="color: #008080; ">14</span>&nbsp;<span style="color: #000000; ">&nbsp;&nbsp;&nbsp;&nbsp;</span><span style="color: #0000FF; ">for</span><span style="color: #000000; ">&nbsp;(</span><span style="color: #0000FF; ">int</span><span style="color: #000000; ">&nbsp;i&nbsp;</span><span style="color: #000000; ">=</span><span style="color: #000000; ">&nbsp;</span><span style="color: #000000; ">0</span><span style="color: #000000; ">;&nbsp;i&nbsp;</span><span style="color: #000000; ">&lt;</span><span style="color: #000000; ">&nbsp;</span><span style="color: #000000; ">4</span><span style="color: #000000; ">;&nbsp;i</span><span style="color: #000000; ">++</span><span style="color: #000000; ">)<br /></span><span style="color: #008080; ">15</span>&nbsp;<span style="color: #000000; ">&nbsp;&nbsp;&nbsp;&nbsp;{<br /></span><span style="color: #008080; ">16</span>&nbsp;<span style="color: #000000; ">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span style="color: #0000FF; ">int</span><span style="color: #000000; ">&nbsp;x&nbsp;</span><span style="color: #000000; ">=</span><span style="color: #000000; ">&nbsp;p&nbsp;</span><span style="color: #000000; ">+</span><span style="color: #000000; ">&nbsp;dir[i][</span><span style="color: #000000; ">0</span><span style="color: #000000; ">];<br /></span><span style="color: #008080; ">17</span>&nbsp;<span style="color: #000000; ">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span style="color: #0000FF; ">int</span><span style="color: #000000; ">&nbsp;y&nbsp;</span><span style="color: #000000; ">=</span><span style="color: #000000; ">&nbsp;q&nbsp;</span><span style="color: #000000; ">+</span><span style="color: #000000; ">&nbsp;dir[i][</span><span style="color: #000000; ">1</span><span style="color: #000000; ">];<br /></span><span style="color: #008080; ">18</span>&nbsp;<span style="color: #000000; ">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span style="color: #0000FF; ">if</span><span style="color: #000000; ">&nbsp;(</span><span style="color: #000000; ">!</span><span style="color: #000000; ">f[x][y]&nbsp;</span><span style="color: #000000; ">&amp;&amp;</span><span style="color: #000000; ">&nbsp;G[x][y])<br /></span><span style="color: #008080; ">19</span>&nbsp;<span style="color: #000000; ">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;{<br /></span><span style="color: #008080; ">20</span>&nbsp;<span style="color: #000000; ">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;num</span><span style="color: #000000; ">++</span><span style="color: #000000; ">;<br /></span><span style="color: #008080; ">21</span>&nbsp;<span style="color: #000000; ">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;dfs(x,&nbsp;y);<br /></span><span style="color: #008080; ">22</span>&nbsp;<span style="color: #000000; ">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;}<br /></span><span style="color: #008080; ">23</span>&nbsp;<span style="color: #000000; ">&nbsp;&nbsp;&nbsp;&nbsp;}<br /></span><span style="color: #008080; ">24</span>&nbsp;<span style="color: #000000; ">&nbsp;&nbsp;&nbsp;&nbsp;</span><span style="color: #0000FF; ">return</span><span style="color: #000000; ">&nbsp;num;<br /></span><span style="color: #008080; ">25</span>&nbsp;<span style="color: #000000; ">}<br /></span><span style="color: #008080; ">26</span>&nbsp;<span style="color: #000000; "></span><span style="color: #0000FF; ">int</span><span style="color: #000000; ">&nbsp;main()<br /></span><span style="color: #008080; ">27</span>&nbsp;<span style="color: #000000; ">{<br /></span><span style="color: #008080; ">28</span>&nbsp;<span style="color: #000000; ">&nbsp;&nbsp;&nbsp;&nbsp;</span><span style="color: #0000FF; ">while</span><span style="color: #000000; ">&nbsp;(</span><span style="color: #000000; ">~</span><span style="color: #000000; ">scanf(</span><span style="color: #000000; ">"</span><span style="color: #000000; ">%d%d%d</span><span style="color: #000000; ">"</span><span style="color: #000000; ">,&nbsp;</span><span style="color: #000000; ">&amp;</span><span style="color: #000000; ">n,&nbsp;</span><span style="color: #000000; ">&amp;</span><span style="color: #000000; ">m,&nbsp;</span><span style="color: #000000; ">&amp;</span><span style="color: #000000; ">k))<br /></span><span style="color: #008080; ">29</span>&nbsp;<span style="color: #000000; ">&nbsp;&nbsp;&nbsp;&nbsp;{<br /></span><span style="color: #008080; ">30</span>&nbsp;<span style="color: #000000; ">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span style="color: #0000FF; ">int</span><span style="color: #000000; ">&nbsp;ans&nbsp;</span><span style="color: #000000; ">=</span><span style="color: #000000; ">&nbsp;</span><span style="color: #000000; ">0</span><span style="color: #000000; ">;<br /></span><span style="color: #008080; ">31</span>&nbsp;<span style="color: #000000; ">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;memset(f,&nbsp;</span><span style="color: #000000; ">0</span><span style="color: #000000; ">,&nbsp;</span><span style="color: #0000FF; ">sizeof</span><span style="color: #000000; ">(f));<br /></span><span style="color: #008080; ">32</span>&nbsp;<span style="color: #000000; ">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;memset(G,&nbsp;</span><span style="color: #000000; ">0</span><span style="color: #000000; ">,&nbsp;</span><span style="color: #0000FF; ">sizeof</span><span style="color: #000000; ">(G));<br /></span><span style="color: #008080; ">33</span>&nbsp;<span style="color: #000000; ">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span style="color: #0000FF; ">while</span><span style="color: #000000; ">&nbsp;(k</span><span style="color: #000000; ">--</span><span style="color: #000000; ">)<br /></span><span style="color: #008080; ">34</span>&nbsp;<span style="color: #000000; ">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;{<br /></span><span style="color: #008080; ">35</span>&nbsp;<span style="color: #000000; ">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span style="color: #0000FF; ">int</span><span style="color: #000000; ">&nbsp;x,&nbsp;y;<br /></span><span style="color: #008080; ">36</span>&nbsp;<span style="color: #000000; ">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;scanf(</span><span style="color: #000000; ">"</span><span style="color: #000000; ">%d%d</span><span style="color: #000000; ">"</span><span style="color: #000000; ">,&nbsp;</span><span style="color: #000000; ">&amp;</span><span style="color: #000000; ">x,&nbsp;</span><span style="color: #000000; ">&amp;</span><span style="color: #000000; ">y);<br /></span><span style="color: #008080; ">37</span>&nbsp;<span style="color: #000000; ">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;G[x][y]&nbsp;</span><span style="color: #000000; ">=</span><span style="color: #000000; ">&nbsp;</span><span style="color: #000000; ">1</span><span style="color: #000000; ">;<br /></span><span style="color: #008080; ">38</span>&nbsp;<span style="color: #000000; ">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;}<br /></span><span style="color: #008080; ">39</span>&nbsp;<span style="color: #000000; ">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span style="color: #0000FF; ">for</span><span style="color: #000000; ">&nbsp;(</span><span style="color: #0000FF; ">int</span><span style="color: #000000; ">&nbsp;i&nbsp;</span><span style="color: #000000; ">=</span><span style="color: #000000; ">&nbsp;</span><span style="color: #000000; ">1</span><span style="color: #000000; ">;&nbsp;i&nbsp;</span><span style="color: #000000; ">&lt;=</span><span style="color: #000000; ">&nbsp;n;&nbsp;i</span><span style="color: #000000; ">++</span><span style="color: #000000; ">)<br /></span><span style="color: #008080; ">40</span>&nbsp;<span style="color: #000000; ">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span style="color: #0000FF; ">for</span><span style="color: #000000; ">&nbsp;(</span><span style="color: #0000FF; ">int</span><span style="color: #000000; ">&nbsp;j&nbsp;</span><span style="color: #000000; ">=</span><span style="color: #000000; ">&nbsp;</span><span style="color: #000000; ">1</span><span style="color: #000000; ">;&nbsp;j&nbsp;</span><span style="color: #000000; ">&lt;=</span><span style="color: #000000; ">&nbsp;m;&nbsp;j</span><span style="color: #000000; ">++</span><span style="color: #000000; ">)<br /></span><span style="color: #008080; ">41</span>&nbsp;<span style="color: #000000; ">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;{<br /></span><span style="color: #008080; ">42</span>&nbsp;<span style="color: #000000; ">&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; ">&nbsp;(</span><span style="color: #000000; ">!</span><span style="color: #000000; ">f[i][j]&nbsp;</span><span style="color: #000000; ">&amp;&amp;</span><span style="color: #000000; ">&nbsp;G[i][j])<br /></span><span style="color: #008080; ">43</span>&nbsp;<span style="color: #000000; ">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;{<br /></span><span style="color: #008080; ">44</span>&nbsp;<span style="color: #000000; ">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;num&nbsp;</span><span style="color: #000000; ">=</span><span style="color: #000000; ">&nbsp;</span><span style="color: #000000; ">1</span><span style="color: #000000; ">;<br /></span><span style="color: #008080; ">45</span>&nbsp;<span style="color: #000000; ">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;ans&nbsp;</span><span style="color: #000000; ">=</span><span style="color: #000000; ">&nbsp;max(ans,&nbsp;dfs(i,&nbsp;j));<br /></span><span style="color: #008080; ">46</span>&nbsp;<span style="color: #000000; ">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;}<br /></span><span style="color: #008080; ">47</span>&nbsp;<span style="color: #000000; ">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;}<br /></span><span style="color: #008080; ">48</span>&nbsp;<span style="color: #000000; ">&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; ">,&nbsp;ans);<br /></span><span style="color: #008080; ">49</span>&nbsp;<span style="color: #000000; ">&nbsp;&nbsp;&nbsp;&nbsp;}<br /></span><span style="color: #008080; ">50</span>&nbsp;<span style="color: #000000; ">&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 /></span><span style="color: #008080; ">51</span>&nbsp;<span style="color: #000000; "></span></span></div></p><img src ="http://m.shnenglu.com/qhpeklh5959/aggbug/197474.html" width = "1" height = "1" /><br><br><div align=right><a style="text-decoration:none;" href="http://m.shnenglu.com/qhpeklh5959/" target="_blank">嫻呴洦姝?/a> 2013-01-22 18:34 <a href="http://m.shnenglu.com/qhpeklh5959/articles/197474.html#Feedback" target="_blank" style="text-decoration:none;">鍙戣〃璇勮</a></div>]]></description></item></channel></rss>                                  <a href="http://m.shnenglu.com/">&#38738;&#38738;&#33609;&#21407;&#32508;&#21512;&#20037;&#20037;&#22823;&#20234;&#20154;&#23548;&#33322;&#95;&#33394;&#32508;&#21512;&#20037;&#20037;&#22825;&#22825;&#32508;&#21512;&#95;&#26085;&#26085;&#22108;&#22108;&#22812;&#22812;&#29408;&#29408;&#20037;&#20037;&#19969;&#39321;&#20116;&#26376;&#95;&#28909;&#20037;&#20037;&#36825;&#37324;&#21482;&#26377;&#31934;&#21697;</a>

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