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看来是不能不用啊,想减少计算想着想着就必然朝那个方向去了

Posted by frkstyc at 2005-05-26 22:00:14 on Problem 1821
In Reply To:不用anandolee说的办法好像dp要分很多情况讨论的说 Posted by:frkstyc at 2005-05-26 21:55:55


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