34 lines
893 B
Haskell
34 lines
893 B
Haskell
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module Day1 where
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import System.IO
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import Data.List
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import Data.Char
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import Data.Maybe
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import Data.List.Extra
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getFirstInt :: String -> Int
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getFirstInt xs = read $ singleton $ fromMaybe '0' $ find isDigit xs
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restoreLine :: String -> Int
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restoreLine l = 10 * getFirstInt l + getFirstInt (reverse l)
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main :: IO ()
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main = do
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handle <- openFile "app/Day1-input.txt" ReadMode
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input <- hGetContents handle
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putStr "Part 1: "
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print $ sum $ map restoreLine (words input)
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putStr "Part 2: "
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print $ sum $ map restoreLine $ words
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$ replace "zero" "z0o"
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$ replace "one" "o1e"
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$ replace "two" "t2o"
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$ replace "three" "t3e"
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$ replace "four" "f4r"
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$ replace "five" "f5e"
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$ replace "six" "s6x"
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$ replace "seven" "s7n"
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$ replace "eight" "e8t"
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$ replace "nine" "n9e" input
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pure ()
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