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算法自然想到并查集，说一下题目意思吧

Posted by Sister at 2009-10-21 23:23:24 on Problem 2236 
>题目要求就是：给你N个计算机和限制的连通距离d，然后输入这几台计算机的坐标。
>然后输入一个字符O或S，O表示后面输入的p这台计算机修好了，S是要你求p和q这两台计算机是否能连通，连通输出SUCCESS否则输出FAIL
>现在说明两台计算机能连通的条件：一、这两台计算机的距离要<=d，二、这两台计算机要求都已经修好了
>
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