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Re:不是选两个源点,而是所有的点都需要作为源点被枚举一次

Posted by 1guangnian at 2011-03-19 09:40:15 on Problem 1966
In Reply To:不是选两个源点,而是所有的点都需要作为源点被枚举一次 Posted by:Snow_storm at 2011-01-11 00:21:50
如果先判断是否有割点,如果没有割点的话只要枚举汇点就行了吧?

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