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解题报告:

Posted by yygy at 2013-02-25 13:13:22 on Problem 3257
In Reply To:必须头尾相连让dp变简单了,要不然可以不连续的话,岂不是要加一个维度扫描了…… Posted by:rayafjyblue at 2012-08-06 16:45:22
http://hi.baidu.com/chenwenwen0210/item/c37de6194223676be75e06dc

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