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Re:这题什么算法，没思路啊~~

Posted by ylllxw08 at 2009-07-19 10:30:44 on Problem 3670
In Reply To:这题什么算法，没思路啊~~ Posted by:sbb at 2008-07-25 11:39:01 
一看题就知道是dp的动归问题了
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