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Re^3: Puzzle: Longest Increasing Sequence

by kaif (Friar)
on Apr 16, 2006 at 17:10 UTC ( #543661=note: print w/replies, xml ) Need Help??


in reply to Re^2: Puzzle: Longest Increasing Sequence
in thread Puzzle: Longest Increasing Sequence

Well, no, you only need to keep at most one increasing subsequence for each length. In your example, you can forget about the 9, 7, 5, and 3 entirely. Any increasing subsequence beginning with them will be just as long if they begin with the 1 instead.
  • Comment on Re^3: Puzzle: Longest Increasing Sequence

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