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凸包太慢了,求第一个case的凸包就用了421ms,是不是可以不求凸包?还是在凸包上二分的时候可以用点trick?

Posted by frkstyc at 2005-06-02 12:33:34 on Problem 1912
In Reply To:哼唧,O(mn)不让过,让我想想怎么二分 Posted by:frkstyc at 2005-06-02 11:26:04


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