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我想是dp[i][j][k]，0<i<n(第i位），0<j<3(余数为j），k=0,1(表示最后一个选不选），有点像2889那道题In Reply To:刚过的，WA的不行了，觉得排序以后DP比较好吧． Posted by:nuanran at 2006-08-14 23:34:49 Followed by: Post your reply here: |
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