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  1. #1
    Join Date
    Apr 2009
    Posts
    3

    Lightbulb 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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