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Re:这题要把最大值开到2*10^9...我开到10^9WA了，改成2*10^9就AC了In Reply To:这题要把最大值开到2*10^9...我开到10^9WA了，改成2*10^9就AC了 Posted by:wangyizhi at 2009-06-08 16:34:27 我跟你们正相反 开到2*10^9就WA 开到10^9就AC 原因是某个cost与哨兵值2*10^9相加，本意是非法的决策，结果由于加法越界加出负值，把非法决策当成了最优决策了 Followed by: Post your reply here: |
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