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如果我们指定的源点i为割点，而i->i+n这条拆成的边又不能是割边In Reply To:3 2 (0,1) (0,2) 吧自己的程序挂掉了，居然还能0秒ac。。觉得这题应该选2个源点，然后再枚举汇点 Posted by:ccnuzhang at 2009-08-23 10:11:50 Followed by:
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