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即使AC了,也可能。。。但是我要靠自己的水平,大家的帮助AC。不会不劳而获的

Posted by sunmoonstar_love at 2005-07-01 00:18:21 on Problem 2401
In Reply To:发现,如果一条线段的两端点能和另一折线上的顶点直接相连,那么这条边上的所有点都回mutual visible,然后相同方法检查下一条边;否则,得出答案 NO Posted by:sunmoonstar_love at 2005-06-30 23:59:48


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