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是凸包啊,可能常数大了点吧In Reply To: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 Followed by:
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