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按bulls dp和按barns dp效率真是差很远啊

Posted by frkstyc at 2005-05-30 21:19:24 on Problem 2441
In Reply To:我的O(mn2^m)的dp好慢,有谁说一下O(n2^m)的dp? Posted by:frkstyc at 2005-05-30 17:05:34
按barns做可以省很多计算,这个状态设计的真是……

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