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Re:第一个凸包~第100道题~注意

Posted by huangchang9001 at 2011-03-30 21:34:14 on Problem 1113
In Reply To:Re:第一个凸包~第100道题~注意 Posted by:huangchang9001 at 2011-03-30 21:28:48
没必要注意点共线,不是求点数,是求凸包边长加以距离为半径的一个圆的周长。只要求的所有点是顺时针或逆时针的顺序!

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