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又随机……做usaco做疯了In Reply To:提议是不是两个点把多边形分成两条折线，判断对一折线上的任意点，在另一折线上是否存在点，他们之间的连线不被截断.用随机行么？ Posted by:sunmoonstar_love at 2005-06-30 23:06:33 Followed by: Post your reply here: |
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