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D题题意

Posted by RoBa at 2009-11-08 10:59:58
In Reply To:Re:K是大水不说了，B,J题意见内： Posted by:RoBa at 2009-11-08 10:37:10 
一个有向图，其中有2N个点有金子，你要把这2N个点分给N个人，使得每人恰好有两个点，并且还可能需要把另外一些点分给某些人（一个点最多属于一个人），使得对于每个人来说，都可以从他的一个金子点到另一个金子点并且中途不经过属于其他人的点。

每个点都有一个价值，现在要求找出一种分配方案满足条件并且使得不属于任何人的点的价值和最大。

(1 <= N <= 4, 1 <= V <= 500)
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