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Ingy döt Net 2015-02-20 09:02:09 -05:00
parent 00a190b0a6
commit 91df62d461
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Task/Fractran/Haskell/fractran.hs Normal file
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import Data.List (find)
import Data.Ratio (Ratio, (%), denominator)
fractran :: (Integral a) => [Ratio a] -> a -> [a]
fractran fracts n = n :
case find (\f -> n `mod` denominator f == 0) fracts of
Nothing -> []
Just f -> fractran fracts $ truncate (fromIntegral n * f)
main :: IO ()
main = print $ take 15 $ fractran [17%91, 78%85, 19%51, 23%38, 29%33, 77%29,
95%23, 77%19, 1%17, 11%13, 13%11, 15%14, 15%2, 55%1] 2