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Re:i think it is impossible, you need to sort it first.

Posted by Grope at 2003-11-01 21:16:34 on Problem 1456
In Reply To:Re:i think it is impossible, you need to sort it first. Posted by:Grope at 2003-11-01 21:15:06
Using disjoint-set can have a better asymptotic time

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