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O(n^2),自己想吧,应该不难想到的In Reply To:第一时间来POJ灌,crossmatching 以前作过,用的是4次方的,但是今天的数据n = 1000,挂了; 应该怎么DP Posted by:sunmoonstar_love at 2005-07-29 18:05:13 Followed by:
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