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April 10th, 2009, 02:22 AM
#1
A problem about Longest Increasing Subsequence
Hello everyone!
I have a difficult problem for me:
Longest Increasing Subsequence may be familier to us.But there is an advanced question.That is how to find wheather there is a increasing subsequence of length L.If there is more than one ,just output the first one in dictionary order.
We have to find a fast algo at least O(NlogN) where N is the length of the sequence.
Thx!
Last edited by zqzas; April 10th, 2009 at 03:17 AM.
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