Day 5
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@ -2,9 +2,9 @@ import Data.List (sort)
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isSafe :: [Int] -> Bool
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isSafe xs = (isAscending xs || isDescending xs) && maximum distances <= 3 && minimum distances >= 1
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where isAscending xs = xs == sort xs
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where isAscending xs = xs == sort xs
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isDescending xs = xs == reverse (sort xs)
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distances = map abs $ zipWith (-) xs (tail xs)
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distances = map abs $ zipWith (-) xs (tail xs)
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main = do
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contents <- lines <$> readFile "day2.txt"
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