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最大一个 n=2000,m=1000000

Posted by c0500446123 at 2005-05-29 21:09:37 on Problem 2438
In Reply To:c0500446123说原来的范围是1000的,他用的构造法,我也是写dfs Posted by:frkstyc at 2005-05-29 18:17:13


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