6 lines
179 B
Haskell
6 lines
179 B
Haskell
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parse = map (map read . words) . lines
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f x y z = x + max y z
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g xs ys = zipWith3 f xs ys $ tail ys
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solve = head . foldr1 g
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main = readFile "triangle.txt" >>= print . solve . parse
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