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Re:这题谁用的图论的方法,说一下思路~~谢谢~

Posted by shixinfei at 2011-01-15 21:16:29 on Problem 2531
In Reply To:这题谁用的图论的方法,说一下思路~~谢谢~ Posted by:cui715715 at 2008-07-12 21:00:22
我觉得可以使用最大流最小割定理
两个部分之间的代价不就相当于是割吗?

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