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O(mnc)?c是费用?你用消负环?

Posted by wywcgs at 2007-10-23 11:39:32 on Problem 3422
In Reply To:超时超到不行了,真的用网络流? Posted by:Cpp at 2007-10-07 23:15:14
用ssp看看?O(FV^2)在这道题里应该会比O(VEC)好点

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