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Posted by xwbsw at 2007-10-06 21:05:00 on Problem 3422
In Reply To:请大虾指点 Posted by:beyond_zzk at 2007-10-06 19:16:16

3*3的矩阵走两次

0   5  5
1 100  4
7   5  0


每次走最大的话第一次 0-5-100-5-0,第二次0-0-5-4-0  总计119
可是如果你第一次走0-5-100-4-0 第二次走0-1-7-5-0 就可以得到122

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