15 lines
371 B
Haskell
15 lines
371 B
Haskell
main = do
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content <- readFile "input"
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let input = lines content
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print (day11 input)
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print (day12 input)
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day11 :: [String] -> Int
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day11 xs = sum $ map ((subtract 2) . (`div` 3) . read) xs
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day12 :: [String] -> Int
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day12 xs = (sum $ map (f . read) xs) - (sum $ map read xs) where
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f x | x>0=x+f (((subtract 2) . (`div` 3)) x)
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| otherwise = 0
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