Day 8: For the memes
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@ -9,10 +9,9 @@ main = do
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print (day8a content)
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putStrLn (day8b content)
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day8a xs = let l = toLayers xs in
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count '2' l * count '1' l
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where toLayers = minimumBy (comparing (count '0'))
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count x = length . filter (==x)
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day8a xs = (*) <$> count '2' <*> count '1'
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$ minimumBy (comparing $ count '0') xs
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where count x = length . filter (==x)
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day8b xs = unlines $ map (map (\case '0'->' ';'1'->'•')) $ chunksOf 25 img
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where img = map (head . filter (/='2')) $ transpose xs
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