﻿<?xml version="1.0" encoding="utf-8" standalone="yes"?><rss version="2.0" xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:trackback="http://madskills.com/public/xml/rss/module/trackback/" xmlns:wfw="http://wellformedweb.org/CommentAPI/" xmlns:slash="http://purl.org/rss/1.0/modules/slash/"><channel><title>C++博客-LSM ACM/ICPC算法程序设计空间-随笔分类-其他</title><link>http://www.cppblog.com/shiming413/category/4952.html</link><description>alpc02 at poj</description><language>zh-cn</language><lastBuildDate>Mon, 19 May 2008 17:13:23 GMT</lastBuildDate><pubDate>Mon, 19 May 2008 17:13:23 GMT</pubDate><ttl>60</ttl><item><title>marker切奇数题，我切偶数题</title><link>http://www.cppblog.com/shiming413/archive/2007/09/17/32364.html</link><dc:creator>LSM</dc:creator><author>LSM</author><pubDate>Mon, 17 Sep 2007 12:17:00 GMT</pubDate><guid>http://www.cppblog.com/shiming413/archive/2007/09/17/32364.html</guid><wfw:comment>http://www.cppblog.com/shiming413/comments/32364.html</wfw:comment><comments>http://www.cppblog.com/shiming413/archive/2007/09/17/32364.html#Feedback</comments><slash:comments>5</slash:comments><wfw:commentRss>http://www.cppblog.com/shiming413/comments/commentRss/32364.html</wfw:commentRss><trackback:ping>http://www.cppblog.com/shiming413/services/trackbacks/32364.html</trackback:ping><description><![CDATA[<p>1、<a href="http://acm.pku.edu.cn/JudgeOnline/problem?id=1474">http://acm.pku.edu.cn/JudgeOnline/problem?id=1474</a><br>2、<a href="http://acm.pku.edu.cn/JudgeOnline/problem?id=2794">http://acm.pku.edu.cn/JudgeOnline/problem?id=2794</a><br>3、<a href="http://acm.pku.edu.cn/JudgeOnline/problem?id=1366">http://acm.pku.edu.cn/JudgeOnline/problem?id=1366</a><br>4、<a href="http://acm.pku.edu.cn/JudgeOnline/problem?id=1392">http://acm.pku.edu.cn/JudgeOnline/problem?id=1392</a><br>5、<a href="http://acm.pku.edu.cn/JudgeOnline/problem?id=2169">http://acm.pku.edu.cn/JudgeOnline/problem?id=2169</a></p>
<p>6、<a href="http://acm.pku.edu.cn/JudgeOnline/problem?id=3150">http://acm.pku.edu.cn/JudgeOnline/problem?id=3150</a><br>7、<a href="http://acm.pku.edu.cn/JudgeOnline/problem?id=1400">http://acm.pku.edu.cn/JudgeOnline/problem?id=1400</a><br>8、<a href="http://acm.pku.edu.cn/JudgeOnline/problem?id=2065">http://acm.pku.edu.cn/JudgeOnline/problem?id=2065</a><br>9、<a href="http://acm.pku.edu.cn/JudgeOnline/problem?id=1860">http://acm.pku.edu.cn/JudgeOnline/problem?id=1860</a><br>10、<a href="http://acm.pku.edu.cn/JudgeOnline/problem?id=2168">http://acm.pku.edu.cn/JudgeOnline/problem?id=2168</a></p>
<p>11、<a href="http://acm.pku.edu.cn/JudgeOnline/problem?id=2791">http://acm.pku.edu.cn/JudgeOnline/problem?id=2791</a><br>12、<a href="http://acm.pku.edu.cn/JudgeOnline/problem?id=2532">http://acm.pku.edu.cn/JudgeOnline/problem?id=2532</a><br>13、<a href="http://acm.pku.edu.cn/JudgeOnline/problem?id=1712">http://acm.pku.edu.cn/JudgeOnline/problem?id=1712</a><br>14、<a href="http://acm.pku.edu.cn/JudgeOnline/problem?id=1709">http://acm.pku.edu.cn/JudgeOnline/problem?id=1709</a><br>15、<a href="http://acm.pku.edu.cn/JudgeOnline/problem?id=1457">http://acm.pku.edu.cn/JudgeOnline/problem?id=1457</a></p>
<p>16、<a href="http://acm.pku.edu.cn/JudgeOnline/problem?id=1134">http://acm.pku.edu.cn/JudgeOnline/problem?id=1134</a><br>17、<a href="http://acm.pku.edu.cn/JudgeOnline/problem?id=1137">http://acm.pku.edu.cn/JudgeOnline/problem?id=1137</a><br>18、<a href="http://acm.pku.edu.cn/JudgeOnline/problem?id=1481">http://acm.pku.edu.cn/JudgeOnline/problem?id=1481</a></p>
<img src ="http://www.cppblog.com/shiming413/aggbug/32364.html" width = "1" height = "1" /><br><br><div align=right><a style="text-decoration:none;" href="http://www.cppblog.com/shiming413/" target="_blank">LSM</a> 2007-09-17 20:17 <a href="http://www.cppblog.com/shiming413/archive/2007/09/17/32364.html#Feedback" target="_blank" style="text-decoration:none;">发表评论</a></div>]]></description></item><item><title>四城部分的小号列表！（截至2007年8月20日13点58分）</title><link>http://www.cppblog.com/shiming413/archive/2007/08/20/30422.html</link><dc:creator>LSM</dc:creator><author>LSM</author><pubDate>Mon, 20 Aug 2007 06:02:00 GMT</pubDate><guid>http://www.cppblog.com/shiming413/archive/2007/08/20/30422.html</guid><wfw:comment>http://www.cppblog.com/shiming413/comments/30422.html</wfw:comment><comments>http://www.cppblog.com/shiming413/archive/2007/08/20/30422.html#Feedback</comments><slash:comments>0</slash:comments><wfw:commentRss>http://www.cppblog.com/shiming413/comments/commentRss/30422.html</wfw:commentRss><trackback:ping>http://www.cppblog.com/shiming413/services/trackbacks/30422.html</trackback:ping><description><![CDATA[若需要四城小号的最新信息，请查询：<a href="http://acm.pku.edu.cn/JudgeOnline/searchuser?key=yescrystalblue@sina.com+&amp;field=email&amp;B1=GO">http://acm.pku.edu.cn/JudgeOnline/searchuser?key=yescrystalblue@sina.com+&amp;field=email&amp;B1=GO</a><br>或者留言至：<a href="http://www.cppblog.com/sicheng/">http://www.cppblog.com/sicheng/</a><br><br>四城部分的小号列表！（截至2007年8月20日13点58分）<br>
<table border="1" width="80%">
    <tbody>
        <tr bgcolor="#78c8ff">
            <td width="5%">
            <p>No.</p>
            </td>
            <td width="10%">User</td>
            <td width="20%">Nick Name</td>
            <td width="35%">School</td>
            <td width="20%">Email</td>
            <td width="5%">Solved</td>
            <td width="5%">Submissions</td>
        </tr>
        <tr bgcolor="#c0c0c0">
            <td width="10%">1</td>
            <td><a href="http://acm.pku.edu.cn/JudgeOnline/userstatus?user_id=alpc12"><u><font color="#800080">alpc12</font></u></a></td>
            <td>这个世界本没有难题 做的人少了 就成了难题 oyjpArt @ ALPC </td>
            <td>Nudt </td>
            <td>yescrystalblue@sina.com </td>
            <td>480</td>
            <td>1845</td>
        </tr>
        <tr bgcolor="#78c8ff">
            <td width="10%">2</td>
            <td><a href="http://acm.pku.edu.cn/JudgeOnline/userstatus?user_id=BirdEgg"><u><font color="#0000ff">BirdEgg</font></u></a></td>
            <td>birdEgg </td>
            <td>secret </td>
            <td>yescrystalblue@sina.com </td>
            <td>41</td>
            <td>263</td>
        </tr>
        <tr bgcolor="#c0c0c0">
            <td width="10%">3</td>
            <td><a href="http://acm.pku.edu.cn/JudgeOnline/userstatus?user_id=yescrystal"><u><font color="#0000ff">yescrystal</font></u></a></td>
            <td>身为oyjpArt的马甲 我感到非常自豪 </td>
            <td>http://www.cppblog.com/sicheng </td>
            <td>yescrystalblue@sina.com </td>
            <td>37</td>
            <td>168</td>
        </tr>
        <tr bgcolor="#78c8ff">
            <td width="10%">4</td>
            <td><a href="http://acm.pku.edu.cn/JudgeOnline/userstatus?user_id=sicheng"><u><font color="#0000ff">sicheng</font></u></a></td>
            <td>我怎么能放弃！No! Not For Ever! </td>
            <td>secret </td>
            <td>yescrystalblue@sina.com </td>
            <td>30</td>
            <td>86</td>
        </tr>
        <tr bgcolor="#c0c0c0">
            <td width="10%">5</td>
            <td><a href="http://acm.pku.edu.cn/JudgeOnline/userstatus?user_id=oyjpart"><u><font color="#0000ff">oyjpart</font></u></a></td>
            <td>01代表我的心 </td>
            <td>NUDT_ALPC </td>
            <td>yescrystalblue@sina.com </td>
            <td>25</td>
            <td>73</td>
        </tr>
        <tr bgcolor="#78c8ff">
            <td width="10%">6</td>
            <td><a href="http://acm.pku.edu.cn/JudgeOnline/userstatus?user_id=Optimistic"><u><font color="#0000ff">Optimistic</font></u></a></td>
            <td>我怎么能放弃！No! Not For Ever! </td>
            <td>secret </td>
            <td>yescrystalblue@sina.com </td>
            <td>1</td>
            <td>5</td>
        </tr>
        <tr bgcolor="#c0c0c0">
            <td width="10%">7</td>
            <td><a href="http://acm.pku.edu.cn/JudgeOnline/userstatus?user_id=I_C_P_C"><u><font color="#0000ff">I_C_P_C</font></u></a></td>
            <td>I Choosse Pefect Code </td>
            <td>fantasy </td>
            <td>yescrystalblue@sina.com </td>
            <td>0</td>
            <td>0</td>
        </tr>
        <tr bgcolor="#78c8ff">
            <td width="10%">8</td>
            <td><a href="http://acm.pku.edu.cn/JudgeOnline/userstatus?user_id=Enthusiastic"><u><font color="#800080">Enthusiastic</font></u></a></td>
            <td>sicheng </td>
            <td>secret </td>
            <td>yescrystalblue@sina.com </td>
            <td>0</td>
            <td>0</td>
        </tr>
        <tr bgcolor="#c0c0c0">
            <td width="10%">9</td>
            <td><a href="http://acm.pku.edu.cn/JudgeOnline/userstatus?user_id=Passionate"><u><font color="#0000ff">Passionate</font></u></a></td>
            <td>sicheng </td>
            <td>secret </td>
            <td>yescrystalblue@sina.com </td>
            <td>0</td>
            <td>0</td>
        </tr>
        <tr bgcolor="#78c8ff">
            <td width="10%">10</td>
            <td><a href="http://acm.pku.edu.cn/JudgeOnline/userstatus?user_id=Exceed"><u><font color="#0000ff">Exceed</font></u></a></td>
            <td>I am alpc12 </td>
            <td>NUDT </td>
            <td>yescrystalblue@sina.com </td>
            <td>0</td>
            <td>0</td>
        </tr>
        <tr bgcolor="#c0c0c0">
            <td width="10%">11</td>
            <td><a href="http://acm.pku.edu.cn/JudgeOnline/userstatus?user_id=alpcGG"><u><font color="#0000ff">alpcGG</font></u></a></td>
            <td>alpcGG </td>
            <td>NUDT_ALPC </td>
            <td>yescrystalblue@sina.com </td>
            <td>0</td>
            <td>0</td>
        </tr>
    </tbody>
</table><img src ="http://www.cppblog.com/shiming413/aggbug/30422.html" width = "1" height = "1" /><br><br><div align=right><a style="text-decoration:none;" href="http://www.cppblog.com/shiming413/" target="_blank">LSM</a> 2007-08-20 14:02 <a href="http://www.cppblog.com/shiming413/archive/2007/08/20/30422.html#Feedback" target="_blank" style="text-decoration:none;">发表评论</a></div>]]></description></item><item><title>杂题堆成一堆</title><link>http://www.cppblog.com/shiming413/archive/2007/08/17/30223.html</link><dc:creator>LSM</dc:creator><author>LSM</author><pubDate>Fri, 17 Aug 2007 03:47:00 GMT</pubDate><guid>http://www.cppblog.com/shiming413/archive/2007/08/17/30223.html</guid><wfw:comment>http://www.cppblog.com/shiming413/comments/30223.html</wfw:comment><comments>http://www.cppblog.com/shiming413/archive/2007/08/17/30223.html#Feedback</comments><slash:comments>3</slash:comments><wfw:commentRss>http://www.cppblog.com/shiming413/comments/commentRss/30223.html</wfw:commentRss><trackback:ping>http://www.cppblog.com/shiming413/services/trackbacks/30223.html</trackback:ping><description><![CDATA[<a href="http://acm.pku.edu.cn/JudgeOnline/problem?id=1767">http://acm.pku.edu.cn/JudgeOnline/problem?id=1767</a><br><font color="#0000ff" size="5">Which is Next</font> <br>二叉树，好烦的题，要考虑好多情况。<br><br><a href="http://acm.pku.edu.cn/JudgeOnline/problem?id=3333"><br><br>http://acm.pku.edu.cn/JudgeOnline/problem?id=3333</a><br><font color="#0000ff" size="5">Co-workers from Hell</font><br>搜索过的。<br><br>一开始没有想到用搜索做，因为状态有2^100之多，一直以为有多项式算法。<br>后来问几个人都是搜的，才敢去做，结果0ms就过了。<br>两个剪枝：<br>1、跳向前的边，如果长度不如一步一步向前走那么长，那肯定不走。<br>2、往后跳的边，肯定走。 <br>关于这个题，之前我还想把它<span style="color: red;">转换</span>成最长路问题（每条边只走允许一次），后来还是发现不能转换。况且，就算转换成了每条边只允许走一次的最长路问题，我也不知道有什么好的算法，bellman-ford可以求最长路，但前提是无正环。<img src ="http://www.cppblog.com/shiming413/aggbug/30223.html" width = "1" height = "1" /><br><br><div align=right><a style="text-decoration:none;" href="http://www.cppblog.com/shiming413/" target="_blank">LSM</a> 2007-08-17 11:47 <a href="http://www.cppblog.com/shiming413/archive/2007/08/17/30223.html#Feedback" target="_blank" style="text-decoration:none;">发表评论</a></div>]]></description></item><item><title>近期ACM/ICPC各校OJ练习赛</title><link>http://www.cppblog.com/shiming413/archive/2007/08/10/29721.html</link><dc:creator>LSM</dc:creator><author>LSM</author><pubDate>Fri, 10 Aug 2007 14:43:00 GMT</pubDate><guid>http://www.cppblog.com/shiming413/archive/2007/08/10/29721.html</guid><wfw:comment>http://www.cppblog.com/shiming413/comments/29721.html</wfw:comment><comments>http://www.cppblog.com/shiming413/archive/2007/08/10/29721.html#Feedback</comments><slash:comments>0</slash:comments><wfw:commentRss>http://www.cppblog.com/shiming413/comments/commentRss/29721.html</wfw:commentRss><trackback:ping>http://www.cppblog.com/shiming413/services/trackbacks/29721.html</trackback:ping><description><![CDATA[<table align="center" border="0" cellpadding="2" cellspacing="1" width="100%">
    <tbody>
        <tr bgcolor="#f0f0f0">
            <td style="font-weight: bold;" align="center">58</td>
            <td style="font-weight: bold;" align="center"><a href="http://acm.hnu.cn:8080/online/?action=problem&amp;type=list&amp;courseid=58"><u><font color="#800080">2007暑期培训练习赛三</font></u></a></td>
            <td style="font-weight: bold;" align="center">2007-8-11 9:00:00</td>
            <td style="font-weight: bold;" align="center">5 hour(s) : 0 min(s)</td>
            <td align="center"><font color="#0000ff">Pending</font> </td>
            <td align="center">PUBLIC</td>
        </tr>
    </tbody>
</table>
<p>
<table align="center" border="0" cellpadding="2" cellspacing="1" width="100%">
    <tbody>
        <tr bgcolor="#f0f0f0">
            <td style="font-weight: bold;" align="center">59</td>
            <td style="font-weight: bold;" align="center"><a href="http://acm.hnu.cn:8080/online/?action=problem&amp;type=list&amp;courseid=59"><u><font color="#800080">2007暑期培训练习赛四</font></u></a></td>
            <td style="font-weight: bold;" align="center">2007-8-12 9:00:00</td>
            <td style="font-weight: bold;" align="center">5 hour(s) : 0 min(s)</td>
            <td align="center"><font color="#0000ff">Pending</font> </td>
            <td align="center">PUBLIC</td>
        </tr>
    </tbody>
</table>
<table style="border-collapse: collapse;" bordercolordark="gray" border="1" bordercolor="lightgrey" cellpadding="5" width="770">
    <tbody>
        <tr align="center" bgcolor="#f0f0f0">
            <th><a style="text-decoration: none;" href="http://acm.tju.edu.cn/toj/vcontest/contest353.html"><font color="#0000ff">Ecust New Team Selection NO.5</font></a></th>
            <td><font color="red">2007-08-11 12:00:00</font></td>
            <td><a style="text-decoration: none;" href="http://acm.tju.edu.cn/toj/user_backbone.html" target="_blank"><font color="#0000ff">Ecust_Backbone</font></a></td>
        </tr>
    </tbody>
</table>
<table class="a" align="center" border="1" bordercolor="#ffffff" cellpadding="0" cellspacing="0" width="700">
    <tbody>
        <tr>
            <td><a href="http://acm.pku.edu.cn/JudgeOnline/showcontest?contest_id=1263"><u><font color="#0000ff">PKU 2007 Team Practice 5</font></u></a></td>
            <td align="center"><font color="red">2007-08-14 09:30:00.0</font></td>
        </tr>
    </tbody>
</table>
<table class="a" align="center" border="1" bordercolor="#ffffff" cellpadding="0" cellspacing="0" width="700">
    <tbody>
        <tr>
            <td><a href="http://acm.pku.edu.cn/JudgeOnline/showcontest?contest_id=1264"><u><font color="#0000ff">PKU 2007 Team Practice 6</font></u></a></td>
            <td align="center"><font color="red">2007-08-17 09:30:00.0</font></td>
        </tr>
    </tbody>
</table>
<a href="http://acm.pku.edu.cn/JudgeOnline/showcontest?contest_id=1263"><u><font color="#0000ff"></font></u></a></p>
<table class="table_text" align="center" border="0" cellspacing="2" width="100%">
    <tbody>
        <tr align="center">
            <td height="22">90</td>
            <td align="left"><a href="http://acm.hdu.edu.cn/contests/contest_show.php?cid=90"><u><font color="#800080">&nbsp;2007暑期集训队练习赛（3）_wiskey专场</font></u></a></td>
            <td>2007-08-12 12:00:00</td>
            <td><font color="red">Public</font></td>
            <td><font color="green">Pending</font></td>
        </tr>
        <tr align="center" bgcolor="#d7ebff">
            <td height="22">91</td>
            <td align="left"><a href="http://acm.hdu.edu.cn/contests/contest_show.php?cid=91"><u><font color="#0000ff">&nbsp;2007暑期集训队练习赛（4）</font></u></a></td>
            <td>2007-08-19 12:00:00</td>
            <td><font color="red">Public</font></td>
            <td><font color="green">Pending</font></td>
        </tr>
        <tr align="center">
            <td height="22">92</td>
            <td align="left"><a href="http://acm.hdu.edu.cn/contests/contest_show.php?cid=92"><u><font color="#0000ff">&nbsp;2007暑期集训队练习赛（5）</font></u></a></td>
            <td>2007-08-26 12:00:00</td>
            <td><font color="red">Public</font></td>
            <td><font color="green">Pending</font></td>
        </tr>
        <tr align="center" bgcolor="#d7ebff">
            <td height="22">93</td>
            <td align="left"><a href="http://acm.hdu.edu.cn/contests/contest_show.php?cid=93"><u><font color="#0000ff">&nbsp;2007暑期集训队练习赛（6）</font></u></a></td>
            <td>2007-09-02 12:00:00</td>
            <td><font color="red">Public</font></td>
            <td><font color="green">Pending</font></td>
        </tr>
    </tbody>
</table><img src ="http://www.cppblog.com/shiming413/aggbug/29721.html" width = "1" height = "1" /><br><br><div align=right><a style="text-decoration:none;" href="http://www.cppblog.com/shiming413/" target="_blank">LSM</a> 2007-08-10 22:43 <a href="http://www.cppblog.com/shiming413/archive/2007/08/10/29721.html#Feedback" target="_blank" style="text-decoration:none;">发表评论</a></div>]]></description></item><item><title>Poj 3139-Balancing the Scale</title><link>http://www.cppblog.com/shiming413/archive/2007/08/09/29671.html</link><dc:creator>LSM</dc:creator><author>LSM</author><pubDate>Thu, 09 Aug 2007 14:34:00 GMT</pubDate><guid>http://www.cppblog.com/shiming413/archive/2007/08/09/29671.html</guid><wfw:comment>http://www.cppblog.com/shiming413/comments/29671.html</wfw:comment><comments>http://www.cppblog.com/shiming413/archive/2007/08/09/29671.html#Feedback</comments><slash:comments>0</slash:comments><wfw:commentRss>http://www.cppblog.com/shiming413/comments/commentRss/29671.html</wfw:commentRss><trackback:ping>http://www.cppblog.com/shiming413/services/trackbacks/29671.html</trackback:ping><description><![CDATA[<p><a href="http://acm.pku.edu.cn/JudgeOnline/problem?id=3139">http://acm.pku.edu.cn/JudgeOnline/problem?id=3139</a><br><font color="#0000ff" size="5">Balancing the Scale</font><br>去年上海赛区的B题，比赛没有做出来<br><br>注意隐含条件：每个数字不大于1024<br>1、有这个条件后，则表达式之和不超过1024 * 10，这样就可以开一个10240的表，记录得到当前值的所有4字组合（用16位2进制表示）</p>
2、对于10240内的每两个值进行配对（只要两个4字组合中8个数字没有重复的数字即可），每配一个对，则说明这个8字组合的分解方法数目加1（这个方法数目记录在一个数组中，也用16位2进制表示8字组合）<br>3、对于每两个互补的8字组合，他们的分解方法数目相乘然后求和即是答案<img src ="http://www.cppblog.com/shiming413/aggbug/29671.html" width = "1" height = "1" /><br><br><div align=right><a style="text-decoration:none;" href="http://www.cppblog.com/shiming413/" target="_blank">LSM</a> 2007-08-09 22:34 <a href="http://www.cppblog.com/shiming413/archive/2007/08/09/29671.html#Feedback" target="_blank" style="text-decoration:none;">发表评论</a></div>]]></description></item><item><title>推荐-好题（转贴）</title><link>http://www.cppblog.com/shiming413/archive/2007/08/09/29627.html</link><dc:creator>LSM</dc:creator><author>LSM</author><pubDate>Thu, 09 Aug 2007 02:15:00 GMT</pubDate><guid>http://www.cppblog.com/shiming413/archive/2007/08/09/29627.html</guid><wfw:comment>http://www.cppblog.com/shiming413/comments/29627.html</wfw:comment><comments>http://www.cppblog.com/shiming413/archive/2007/08/09/29627.html#Feedback</comments><slash:comments>3</slash:comments><wfw:commentRss>http://www.cppblog.com/shiming413/comments/commentRss/29627.html</wfw:commentRss><trackback:ping>http://www.cppblog.com/shiming413/services/trackbacks/29627.html</trackback:ping><description><![CDATA[<p><font color="#002c99">一.动态规划<br>参考资料：<br>刘汝佳《算法艺术与信息学竞赛》<br>《算法导论》<br>推荐题目：<br><a href="http://acm.pku.edu.cn/JudgeOnline/problem?id=1141">http://acm.pku.edu.cn/JudgeOnline/problem?id=1141</a> <br>简单<br><a href="http://acm.pku.edu.cn/JudgeOnline/problem?id=2288">http://acm.pku.edu.cn/JudgeOnline/problem?id=2288</a> <br>中等，经典TSP问题<br><a href="http://acm.pku.edu.cn/JudgeOnline/problem?id=2411">http://acm.pku.edu.cn/JudgeOnline/problem?id=2411</a> <br>中等，状态压缩DP<br><a href="http://acm.pku.edu.cn/JudgeOnline/problem?id=1112">http://acm.pku.edu.cn/JudgeOnline/problem?id=1112</a> <br>中等<br><a href="http://acm.pku.edu.cn/JudgeOnline/problem?id=1848">http://acm.pku.edu.cn/JudgeOnline/problem?id=1848</a> <br>中等，树形DP。<br>可参考《算法艺术与信息学竞赛》动态规划一节的树状模型<br><a href="http://acm.zju.edu.cn/show_problem.php?pid=1234">http://acm.zju.edu.cn/show_problem.php?pid=1234</a> <br>中等，《算法艺术与信息学竞赛》中的习题<br><a href="http://acm.pku.edu.cn/JudgeOnline/problem?id=1947">http://acm.pku.edu.cn/JudgeOnline/problem?id=1947</a> <br>中等，《算法艺术与信息学竞赛》中的习题<br><a href="http://acm.pku.edu.cn/JudgeOnline/problem?id=1946">http://acm.pku.edu.cn/JudgeOnline/problem?id=1946</a> <br>中等，《算法艺术与信息学竞赛》中的习题<br><a href="http://acm.pku.edu.cn/JudgeOnline/problem?id=1737">http://acm.pku.edu.cn/JudgeOnline/problem?id=1737</a> <br>中等，递推<br><a href="http://acm.pku.edu.cn/JudgeOnline/problem?id=1821">http://acm.pku.edu.cn/JudgeOnline/problem?id=1821</a> <br>中等，需要减少冗余计算<br><a href="http://acm.zju.edu.cn/show_problem.php?pid=2561">http://acm.zju.edu.cn/show_problem.php?pid=2561</a> <br>中等，四边形不等式的简单应用<br><a href="http://acm.pku.edu.cn/JudgeOnline/problem?id=1038">http://acm.pku.edu.cn/JudgeOnline/problem?id=1038</a> <br>较难，状态压缩DP，《算法艺术与信息学竞赛》中有解答<br><a href="http://acm.pku.edu.cn/JudgeOnline/problem?id=1390">http://acm.pku.edu.cn/JudgeOnline/problem?id=1390</a> <br>较难，《算法艺术与信息学竞赛》中有解答<br><a href="http://acm.pku.edu.cn/JudgeOnline/problem?id=3017">http://acm.pku.edu.cn/JudgeOnline/problem?id=3017</a> <br>较难，需要配合数据结构优化（我的题目^_^）<br><a href="http://acm.pku.edu.cn/JudgeOnline/problem?id=1682">http://acm.pku.edu.cn/JudgeOnline/problem?id=1682</a> <br>较难，写起来比较麻烦<br><a href="http://acm.pku.edu.cn/JudgeOnline/problem?id=2047">http://acm.pku.edu.cn/JudgeOnline/problem?id=2047</a> <br>较难<br><a href="http://acm.pku.edu.cn/JudgeOnline/problem?id=2152">http://acm.pku.edu.cn/JudgeOnline/problem?id=2152</a> <br>难，树形DP<br><a href="http://acm.pku.edu.cn/JudgeOnline/problem?id=3028">http://acm.pku.edu.cn/JudgeOnline/problem?id=3028</a> <br>难，状态压缩DP，题目很有意思<br><a href="http://acm.pku.edu.cn/JudgeOnline/problem?id=3124">http://acm.pku.edu.cn/JudgeOnline/problem?id=3124</a> <br>难<br><a href="http://acm.pku.edu.cn/JudgeOnline/problem?id=2915">http://acm.pku.edu.cn/JudgeOnline/problem?id=2915</a> <br>非常难</font></p>
<p><font color="#002c99">二.搜索<br>参考资料：<br>刘汝佳《算法艺术与信息学竞赛》<br>推荐题目：<br><a href="http://acm.pku.edu.cn/JudgeOnline/problem?id=1011">http://acm.pku.edu.cn/JudgeOnline/problem?id=1011</a> <br>简单，深搜入门题<br><a href="http://acm.pku.edu.cn/JudgeOnline/problem?id=1324">http://acm.pku.edu.cn/JudgeOnline/problem?id=1324</a> <br>中等，广搜<br><a href="http://acm.pku.edu.cn/JudgeOnline/problem?id=2044">http://acm.pku.edu.cn/JudgeOnline/problem?id=2044</a> <br>中等，广搜<br><a href="http://acm.pku.edu.cn/JudgeOnline/problem?id=2286">http://acm.pku.edu.cn/JudgeOnline/problem?id=2286</a> <br>较难，广搜<br><a href="http://acm.pku.edu.cn/JudgeOnline/problem?id=1945">http://acm.pku.edu.cn/JudgeOnline/problem?id=1945</a> <br>难，IDA*，迭代加深搜索，需要较好的启发函数<br><a href="http://acm.pku.edu.cn/JudgeOnline/problem?id=2449">http://acm.pku.edu.cn/JudgeOnline/problem?id=2449</a> <br>难，可重复K最短路，A*。<br>可参考解题报告:<br><a href="http://acm.pku.edu.cn/JudgeOnline/showcontest?contest_id=1144">http://acm.pku.edu.cn/JudgeOnline/showcontest?contest_id=1144</a> <br><a href="http://acm.pku.edu.cn/JudgeOnline/problem?id=1190">http://acm.pku.edu.cn/JudgeOnline/problem?id=1190</a> <br>难，深搜剪枝，《算法艺术与信息学竞赛》中有解答<br><a href="http://acm.pku.edu.cn/JudgeOnline/problem?id=1084">http://acm.pku.edu.cn/JudgeOnline/problem?id=1084</a> <br>难，《算法艺术与信息学竞赛》习题<br><a href="http://acm.pku.edu.cn/JudgeOnline/problem?id=2989">http://acm.pku.edu.cn/JudgeOnline/problem?id=2989</a> <br>难，深搜<br><a href="http://acm.pku.edu.cn/JudgeOnline/problem?id=1167">http://acm.pku.edu.cn/JudgeOnline/problem?id=1167</a> <br>较难，《算法艺术与信息学竞赛》中有解答<br><a href="http://acm.pku.edu.cn/JudgeOnline/problem?id=1069">http://acm.pku.edu.cn/JudgeOnline/problem?id=1069</a> <br>很难</font></p>
<p><font color="#002c99">三. 常用数据结构<br>参考资料：<br>刘汝佳《算法艺术与信息学竞赛》<br>《算法导论》<br>线段树资料：<br><a href="http://home.ustc.edu.cn/~zhuhcheng/ACM/segment_tree.pdf">http://home.ustc.edu.cn/~zhuhcheng/ACM/segment_tree.pdf</a> <br>树状数组资料<br><a href="http://home.ustc.edu.cn/~zhuhcheng/ACM/tree.ppt">http://home.ustc.edu.cn/~zhuhcheng/ACM/tree.ppt</a> <br>关于线段树和树状数组更多相关内容可在网上搜到<br>后缀数组资料<br><a href="http://home.ustc.edu.cn/~zhuhcheng/ACM/suffix_array.pdf">http://home.ustc.edu.cn/~zhuhcheng/ACM/suffix_array.pdf</a> <br><a href="http://home.ustc.edu.cn/~zhuhcheng/ACM/linear_suffix.pdf">http://home.ustc.edu.cn/~zhuhcheng/ACM/linear_suffix.pdf</a> <br>推荐题目<br><a href="http://acm.pku.edu.cn/JudgeOnline/problem?id=2482">http://acm.pku.edu.cn/JudgeOnline/problem?id=2482</a> <br>较难，线段树应用，《算法艺术与信息学竞赛》中有解答<br><a href="http://acm.pku.edu.cn/JudgeOnline/problem?id=1151">http://acm.pku.edu.cn/JudgeOnline/problem?id=1151</a> <br>简单，线段树应用矩形面积并，《算法艺术与信息学竞赛》中有解答<br><a href="http://acm.pku.edu.cn/JudgeOnline/problem?id=3225">http://acm.pku.edu.cn/JudgeOnline/problem?id=3225</a> <br>较难，线段树应用，可参考解题报告<br><a href="http://acm.pku.edu.cn/JudgeOnline/showcontest?contest_id=1233">http://acm.pku.edu.cn/JudgeOnline/showcontest?contest_id=1233</a> <br><a href="http://acm.pku.edu.cn/JudgeOnline/problem?id=2155">http://acm.pku.edu.cn/JudgeOnline/problem?id=2155</a> <br>难，二维树状数组。<br><a href="http://acm.pku.edu.cn/JudgeOnline/problem?id=2777">http://acm.pku.edu.cn/JudgeOnline/problem?id=2777</a> <br>中等，线段树应用。<br><a href="http://acm.pku.edu.cn/JudgeOnline/problem?id=2274">http://acm.pku.edu.cn/JudgeOnline/problem?id=2274</a> <br>难，堆的应用，《算法艺术与信息学竞赛》中有解答<br><a href="http://acm.zju.edu.cn/show_problem.php?pid=2334">http://acm.zju.edu.cn/show_problem.php?pid=2334</a> <br>中等，左偏树，二项式堆或其他可合并堆的应用。<br>左偏树参考<a href="http://www.nist.gov/dads/HTML/leftisttree.html">http://www.nist.gov/dads/HTML/leftisttree.html</a> <br>二项式堆参见《算法导论》相关章节<br><a href="http://acm.pku.edu.cn/JudgeOnline/problem?id=1182">http://acm.pku.edu.cn/JudgeOnline/problem?id=1182</a> <br>中等，并查集<br><a href="http://acm.pku.edu.cn/JudgeOnline/problem?id=1816">http://acm.pku.edu.cn/JudgeOnline/problem?id=1816</a> <br>中等，字典树<br><a href="http://acm.pku.edu.cn/JudgeOnline/problem?id=2778">http://acm.pku.edu.cn/JudgeOnline/problem?id=2778</a> <br>较难，多串匹配树<br>参考：<a href="http://home.ustc.edu.cn/~zhuhcheng/ACM/zzy2004.pdf">http://home.ustc.edu.cn/~zhuhcheng/ACM/zzy2004.pdf</a> <br><a href="http://acm.pku.edu.cn/JudgeOnline/problem?id=1743">http://acm.pku.edu.cn/JudgeOnline/problem?id=1743</a> <br>难，后缀数组<br><a href="http://acm.pku.edu.cn/JudgeOnline/problem?id=2774">http://acm.pku.edu.cn/JudgeOnline/problem?id=2774</a> <br>较难，最长公共子串，经典问题，后缀数组<br><a href="http://acm.pku.edu.cn/JudgeOnline/problem?id=2758">http://acm.pku.edu.cn/JudgeOnline/problem?id=2758</a> <br>很难，后缀数组<br>可参考解题报告<br><a href="http://acm.pku.edu.cn/JudgeOnline/showcontest?contest_id=1178">http://acm.pku.edu.cn/JudgeOnline/showcontest?contest_id=1178</a> <br><a href="http://acm.pku.edu.cn/JudgeOnline/problem?id=2448">http://acm.pku.edu.cn/JudgeOnline/problem?id=2448</a> <br>很难，数据结构综合运用<br>四.图论基础<br>参考资料：<br>刘汝佳《算法艺术与信息学竞赛》<br>《算法导论》<br>《网络算法与复杂性理论》谢政<br>推荐题目: <br><a href="http://acm.pku.edu.cn/JudgeOnline/problem?id=2337">http://acm.pku.edu.cn/JudgeOnline/problem?id=2337</a> <br>简单，欧拉路<br><a href="http://acm.pku.edu.cn/JudgeOnline/problem?id=3177">http://acm.pku.edu.cn/JudgeOnline/problem?id=3177</a> <br>中等，无向图割边<br><a href="http://acm.pku.edu.cn/JudgeOnline/problem?id=2942">http://acm.pku.edu.cn/JudgeOnline/problem?id=2942</a> <br>较难，无向图双连通分支<br><a href="http://acm.pku.edu.cn/JudgeOnline/problem?id=1639">http://acm.pku.edu.cn/JudgeOnline/problem?id=1639</a> <br>中等，最小度限制生成树，《算法艺术与信息学竞赛》中有解答<br><a href="http://acm.pku.edu.cn/JudgeOnline/problem?id=2728">http://acm.pku.edu.cn/JudgeOnline/problem?id=2728</a> <br>中等，最小比率生成树，《算法艺术与信息学竞赛》中有解答<br><a href="http://acm.pku.edu.cn/JudgeOnline/problem?id=3013">http://acm.pku.edu.cn/JudgeOnline/problem?id=3013</a> <br>简单，最短路问题<br><a href="http://acm.pku.edu.cn/JudgeOnline/problem?id=1275">http://acm.pku.edu.cn/JudgeOnline/problem?id=1275</a> <br>中等，差分约束系统，Bellman-Ford求解，《算法艺术与信息学竞赛》中有解答<br><a href="http://acm.pku.edu.cn/JudgeOnline/problem?id=1252">http://acm.pku.edu.cn/JudgeOnline/problem?id=1252</a> <br>简单，Bellman-Ford<br><a href="http://acm.pku.edu.cn/JudgeOnline/problem?id=1459">http://acm.pku.edu.cn/JudgeOnline/problem?id=1459</a> <br>中等，网络流<br><a href="http://acm.pku.edu.cn/JudgeOnline/problem?id=2391">http://acm.pku.edu.cn/JudgeOnline/problem?id=2391</a> <br>较难，网络流<br><a href="http://acm.pku.edu.cn/JudgeOnline/problem?id=1325">http://acm.pku.edu.cn/JudgeOnline/problem?id=1325</a> <br>中等，二部图最大匹配<br><a href="http://acm.pku.edu.cn/JudgeOnline/problem?id=2226">http://acm.pku.edu.cn/JudgeOnline/problem?id=2226</a> <br>较难，二部图最大匹配<br><a href="http://acm.pku.edu.cn/JudgeOnline/problem?id=2195">http://acm.pku.edu.cn/JudgeOnline/problem?id=2195</a> <br>中等，二部图最大权匹配<br>KM算法参考《网络算法与复杂性理论》<br><a href="http://acm.pku.edu.cn/JudgeOnline/problem?id=2516">http://acm.pku.edu.cn/JudgeOnline/problem?id=2516</a> <br>较难，二部图最大权匹配<br><a href="http://acm.pku.edu.cn/JudgeOnline/problem?id=1986">http://acm.pku.edu.cn/JudgeOnline/problem?id=1986</a> <br>中等，LCA（最近公共祖先）问题<br>参考Tarjan's LCA algorithm 《算法导论》第21章习题<br><a href="http://acm.pku.edu.cn/JudgeOnline/problem?id=2723">http://acm.pku.edu.cn/JudgeOnline/problem?id=2723</a> <br>较难，2-SAT问题<br>参考：<a href="http://home.ustc.edu.cn/~zhuhcheng/ACM/2-SAT.PPT">http://home.ustc.edu.cn/~zhuhcheng/ACM/2-SAT.PPT</a> <br><a href="http://acm.pku.edu.cn/JudgeOnline/problem?id=2749">http://acm.pku.edu.cn/JudgeOnline/problem?id=2749</a> <br>较难，2-SAT问题<br><a href="http://acm.pku.edu.cn/JudgeOnline/problem?id=3164">http://acm.pku.edu.cn/JudgeOnline/problem?id=3164</a> <br>较难，最小树形图<br>参考《网络算法与复杂性理论》中朱-刘算法<br>五.数论及组合计数基础<br><a href="http://acm.pku.edu.cn/JudgeOnline/problem?id=1811">http://acm.pku.edu.cn/JudgeOnline/problem?id=1811</a> <br>简单，素数判定，大数分解<br>参考算法导论相关章节<br><a href="http://acm.pku.edu.cn/JudgeOnline/problem?id=2888">http://acm.pku.edu.cn/JudgeOnline/problem?id=2888</a> <br>较难，Burnside引理<br><a href="http://acm.pku.edu.cn/JudgeOnline/problem?id=2891">http://acm.pku.edu.cn/JudgeOnline/problem?id=2891</a> <br>中等，解模方程组<br><a href="http://acm.pku.edu.cn/JudgeOnline/problem?id=2154">http://acm.pku.edu.cn/JudgeOnline/problem?id=2154</a> <br>中等，经典问题，波利亚定理<br><a href="http://cs.scu.edu.cn/soj/problem.action?id=2703">http://cs.scu.edu.cn/soj/problem.action?id=2703</a> <br>难，极好的题目，Burnside引理+模线性方程组<br><a href="http://acm.pku.edu.cn/JudgeOnline/problem?id=2764">http://acm.pku.edu.cn/JudgeOnline/problem?id=2764</a> <br>较难，需要数学方法，该方法在《具体数学》第七章有讲<br><a href="http://acm.pku.edu.cn/JudgeOnline/problem?id=1977">http://acm.pku.edu.cn/JudgeOnline/problem?id=1977</a> <br>简单，矩阵快速乘法<br></font><a href="http://www.bigasp.com.cn/"></a></p><img src ="http://www.cppblog.com/shiming413/aggbug/29627.html" width = "1" height = "1" /><br><br><div align=right><a style="text-decoration:none;" href="http://www.cppblog.com/shiming413/" target="_blank">LSM</a> 2007-08-09 10:15 <a href="http://www.cppblog.com/shiming413/archive/2007/08/09/29627.html#Feedback" target="_blank" style="text-decoration:none;">发表评论</a></div>]]></description></item></channel></rss>