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能过 5 0 的同学, 请介绍一下剪枝方法, 我的4 0 就超 1 s, 5 0 就根本算不出了,谢谢

Posted by sunmoonstar at 2006-05-14 00:27:42 on Problem 1084
In Reply To:ft... Posted by:number at 2005-09-15 09:15:49
> 这个题数据太太太弱了...-_-

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