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Re:有点象的说

Posted by happynp at 2007-05-30 11:08:13 on Problem 1717
In Reply To:有点象背包问题的说 Posted by:yiyiyi4321 at 2006-02-23 17:35:17
就是背包

min: 求和x[i]*a[i];//a[i] =第i块牌上点数-上点数

x[i]属于{-1,1};

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