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Re:peg可能在polygon的外面

Posted by wings at 2008-04-01 22:43:20 on Problem 1584
In Reply To:peg可能在polygon的外面 Posted by:xfxyjwf at 2006-05-11 12:18:56
恩,不过某个判断我忘记考虑垂直关系了
wa了这么多次。。

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