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FootballTime Limit:1000MSMemory Limit:65536KTotal Submissions:2768Accepted:1412DescriptionConsider a single-elimination football tournament involving ... 阅读全文
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HHyper Prefix SetsPrefix goodness of a set string is length of longest common prefix*number of strings in the set. For example the prefix goodness of ... 阅读全文
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统计难题Problem DescriptionIgnatius最近遇到一个难题,老师交给他很多单词(只有小写字母组成,不会有重复的单词出现),现在老师要他统计出以某个字符串为前缀的单词数量(单词本身也是自己的前缀).Input输入数据的第一部分是一张单词表,每行一个单词,单词的长度不超过10,它们代... 阅读全文
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BeavergnawTime Limit:1000MSMemory Limit:65536KTotal Submissions:6203Accepted:4089DescriptionWhen chomping a tree the beaver cuts a very specific shape... 阅读全文
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【转】自:http://blog.sina.com.cn/s/blog_5f7865cc0100dfff.html在Struts2里,如果需要在Action中使用session,可以通过下面两种方式得到 1.通过ActionContextclass中的方法getSession得到 2.Action实... 阅读全文
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【转】 ids for this class must be manually assigned before calling save()..转自:http://blog.csdn.net/softimes/article/details/7008875classhibernategenerato... 阅读全文