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  1. Prepare
  2. Functional Programming
  3. Recursion
  4. Pascal's Triangle
  5. Discussions

Pascal's Triangle

  • yolanvanderhorst
     + 1 comment

    Bases on your solutions and adding a bit of my own, I think this might be the shorstest way to solve this, using just the Prelude:

    main=interact$unlines.map (unwords.(map show)).flip take s.read
s=[1]:map ((1:).(++[1]).(zipWith (+)=<<tail)) s