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Re:陷阱

Posted by fstephen at 2009-08-01 21:20:03 on Problem 3670
In Reply To:陷阱 Posted by:x5471140 at 2009-07-27 11:23:45
LZ显然是不知道LIS有NlogN的算法......
虽然我承认这题确实可以不用LIS来做。

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