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这组数据很好

Posted by ljfljf2006 at 2011-09-26 08:59:29 on Problem 3204
In Reply To:一个不小心,变成也可以加反边的权值啦 Posted by:applepi at 2010-12-21 22:47:34
> 4 6
> 0 1 4
> 0 2 2
> 1 2 2
> 1 3 1
> 2 3 7
> 2 0 1
> 
> 答案是3

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