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n个点应该不能有重合的吧In Reply To:Re:这题有什么需要特别注意的地方或变态数据么？？WA得不行了 Posted by:Venice at 2006-07-22 14:28:46 构造这么一组数据看看 x1 = x2 = x4 y1 = y3 = y4 结果应该是impossible Followed by: Post your reply here: |
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