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2-SAT will work.

Posted by Ikki at 2005-11-13 23:28:02 on Problem 2723
In Reply To:Re:DP,贪心,二分,匹配,网络流....哪位大哥提示一下?头都想大了! Posted by:OurUSTC at 2005-11-13 23:22:44
> 2-SAT问题
> 可以变成求最大强连通分量

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