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终于搞明白了,谢谢两位!我还和司徒说了刚想出来的O(c)的算法。In Reply To:0*g%c那个点必选,枚举从这个点出发的对角线,然后再找另外两点 Posted by:frkstyc at 2005-07-20 20:41:07 Followed by:
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