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有些东西其实很难保证吧,毕竟这也是个比较经典的模型,出重了也不是没有可能的

Posted by frkstyc at 2006-08-27 18:06:45 on Problem 2986
In Reply To:这题算不算原创? Posted by:dearboy at 2006-08-27 17:59:48
> http://acm.fzu.edu.cn/contest/cproblem.php?cid=1031&pid=6

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