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  1. f n = if x >= 0 then x else (-1) - x
  2.     where x = 3 - n `mod` 8
  3.  
  4. main = do
  5.     print $ map f [0..20]
  6.  
Success #stdin #stdout 0s 4704KB
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Standard input is empty
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[3,2,1,0,0,1,2,3,3,2,1,0,0,1,2,3,3,2,1,0,0]
https://ideone.com/3FTFnx
language:
Haskell (ghc 8.4.4)
created:
8 years ago
visibility:
public

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