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等于说要用最多的2 最多的2就用最大流求得...跟beijing2004那某题如出一辙啊

Posted by lunatic at 2007-10-07 19:10:12
In Reply To:比赛也结束了...大牛们共享下D题的算法吧~~ Posted by:ACM06Louty at 2007-10-07 17:56:12


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