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Posted by c0500448242 at 2005-08-08 03:54:24 on Problem 2002
In Reply To:能具体讲一下怎么剪枝吗？我这道题过得好勉强，实在想不出什么剪枝啦，拜托啦。。。。 Posted by:KOPOPT at 2005-08-08 01:35:10 
随便写了一个,然后就过了:)
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