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过了啊!

Posted by ecjtuQX at 2008-10-03 16:46:23 on Problem 2785
我是sort+二分
算法很烂!
我知道那些快的人都是用HASH做的啊!
我的复杂度是!n^2logn^2
希望用好方法的人出来说说啊!

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