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Re:注意夹角为π的情况

Posted by kantianfadai at 2008-06-21 21:35:56 on Problem 1031
In Reply To:Re:注意夹角为π的情况 Posted by:justjude at 2007-08-20 02:22:53
烂题 数据都错了 真的是点会在多边形上

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