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hdu 3262 09 宁波 现场 C - Seat taking up is tough 暴力
DescriptionStudents often have problems taking up seats. When two students want the same seat, a quarrel will probably begin.It will have very bad eff...
分类:其他好文   时间:2014-11-11 18:58:37    阅读次数:322
A + B Again
Problem DescriptionThere must be many A + B problems in our HDOJ , now a new one is coming.Give you two hexadecimal integers , your task is to calcula...
分类:其他好文   时间:2014-11-11 18:28:42    阅读次数:130
POJ2151Check the difficulty of problems 概率DP
概率DP,还是有点恶心的哈,这道题目真是绕,问你T个队伍,m个题目,每个队伍做出哪道题的概率都给了,冠军队伍至少也解除n道题目,所有队伍都要出题,问你概率为多少? 一开始感觉是个二维的,然后推啊推啊没有推出来,一开始认为冠军队伍只能有一个,所以必须控制一个队伍解题数比其它队伍多,而且这个冠军队伍解题数必须大于等于n,大于n的时候其它队伍解题数就很难了,直到坑到最后才发现 原来可以很多队伍都是...
分类:其他好文   时间:2014-11-11 00:55:32    阅读次数:213
Hastiness
Problem DescriptionHow many problems did you AC?When you read this problem, don’t hasty and careless, this is also simple, haha, I didn’t cheat you.Th...
分类:其他好文   时间:2014-11-10 21:10:26    阅读次数:168
problems with validation logic
我想这里的规则应该和JS里面是一样的,在JS权威指南里面有一个转换的表格,也许同样适用于这里?
分类:其他好文   时间:2014-11-08 09:16:11    阅读次数:165
Local database deployment problems and fixtures
Local database deployment problems and fixtures...
分类:数据库   时间:2014-11-07 20:50:26    阅读次数:200
Ubuntu Linux: Install RT2870 Chipset Based USB Wireless Adapter(转)
This blogpost listed Linux Compatible USB wireless adapters. It seems that many new Linux users frequently have problems learning how to install RT287...
分类:系统相关   时间:2014-11-04 13:07:50    阅读次数:362
JSP Learning -- JSP&EL(express language) studying Summary
1. JSP     JSP(javaServerPage)would be supplementary for Servlet, rather than be substituted. Because the JSP sloves tow problems of Servlet.Such as,first,the HTML tags in Servlet all must be enclose...
分类:Web程序   时间:2014-11-03 13:05:45    阅读次数:173
机器学习之逻辑回归(Logistic Regression)
1. Classification 这篇文章我们来讨论分类问题(classification problems),也就是说你想预测的变量 y 是一个离散的值。我们会使用逻辑回归算法来解决分类问题。 之前的文章中,我们讨论的垃圾邮件分类实际上就是一个分类问题。类似的例子还有很多,例如一个在线交易网站判...
分类:其他好文   时间:2014-11-02 23:44:56    阅读次数:474
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