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i guess maybe this problem is np-something...

Posted by frkstyc at 2008-02-13 22:47:59
In Reply To:up Posted by:chipmunk at 2008-02-13 22:41:53

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Maybe. But if it is, how to prove it? I mean, how to make the reduction? (0) chipmunk 2008-02-14 10:08:57

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