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Re:不是这种情况哈，见内

Posted by xiaox at 2008-02-25 14:03:47
In Reply To:不是这种情况哈，见内 Posted by:richardxx at 2008-02-25 13:50:01 
设 A，B的中点在 为F，如果F在CD上的话
那AF的中点就在外面了啊。
我说的方法是说把线段和多边形的交点要先都求出来再排序的。
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