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偶N^2的……只加了一句就从tle到171ms……

Posted by wangchen1ren at 2005-07-01 22:18:55 on Problem 2452
In Reply To:数据太弱，-_-~~~~~~ Posted by:gz2001 at 2005-06-26 23:11:52 
> O(N^2)的做法，随便卡卡就很快了。
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