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Day 8: We HLint now

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shu 2019-12-08 08:29:36 +01:00
parent 8cca2cdc1d
commit fb1f3e7d04
1 changed files with 5 additions and 5 deletions
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2019/day8/day8.hs
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@ -1,18 +1,18 @@
{-# LANGUAGE LambdaCase #-}
import Data.List.Split
import Data.List
import Data.Ord
main = do
content <- chunksOf (25*6) <$> head <$> lines <$> readFile "input"
content <- (chunksOf (25*6) <$> head) . lines <$> readFile "input"
print (day8a content)
putStrLn (day8b content)
day8a xs = let l = toLayers xs in
(count '2' l) * (count '1' l)
where toLayers xs = minimumBy (comparing (count '0')) xs
count x = (length . filter (==x))
count '2' l * count '1' l
where toLayers = minimumBy (comparing (count '0'))
count x = length . filter (==x)
day8b xs = unlines $ map (map (\case '0'->' ';'1'->'•')) $ chunksOf 25 img
where img = map (head . filter (/='2')) $ transpose xs