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Re:没看到这句,wa了很多次!!!!Note if there is no feasible solution, just output -1.

Posted by yomean at 2012-01-09 15:54:02 on Problem 2749
In Reply To:没看到这句,wa了很多次!!!!Note if there is no feasible solution, just output -1. Posted by:swust20064469 at 2009-05-10 13:15:15
+1

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