diff --git a/day02.hs b/day02.hs new file mode 100644 index 0000000..7c603ff --- /dev/null +++ b/day02.hs @@ -0,0 +1,55 @@ +{-# LANGUAGE OverloadedStrings #-} + +import Control.Monad (void) +import Data.Char (digitToInt, isDigit) +import Data.Either (rights) +import Data.Map qualified as M +import Data.Maybe (fromJust) +import Data.Text qualified as T +import Lib (readFile') +import Text.Parsec + +type Ball = (String, Int) + +type Group = [Ball] + +type Balls = [Group] + +firstReq :: M.Map String Int +firstReq = M.fromList [("red", 12), ("green", 13), ("blue", 14)] + +parser :: (Stream s m Char) => ParsecT s u m (Int, Balls) +parser = do + game <- string "Game " *> many digit <* char ':' + balls <- many $ + do + init <- many (try $ ball <* char ',') + last <- ball <* (void (char ';') <|> eof) + return $ last : init + + return (read game, balls) + where + ball :: (Stream s m Char) => ParsecT s u m (String, Int) + ball = do + count <- char ' ' *> many digit + color <- char ' ' *> many letter + return (color, read count :: Int) + +first :: (Int, Balls) -> Int +first (game, balls) + | any (any (\(color, count) -> count > fromJust (M.lookup color firstReq))) balls = 0 + | otherwise = game + +second :: (Int, Balls) -> Int +second (_, balls) = M.foldr' (*) 1 $ foldr second' M.empty balls + where + second' :: Group -> M.Map String Int -> M.Map String Int + second' group = M.unionWith max (M.fromList group) + +main :: IO () +main = do + input <- T.lines <$> readFile' "day02.in" + putStr "Q1: " + print . sum . map first . rights . map (parse parser "") $ input + putStr "Q2: " + print . sum . map second . rights . map (parse parser "") $ input diff --git a/day02.in b/day02.in new file mode 100644 index 0000000..f970b1a --- /dev/null +++ b/day02.in @@ -0,0 +1,100 @@ +Game 1: 1 red, 10 blue, 5 green; 11 blue, 6 green; 6 green; 1 green, 1 red, 12 blue; 3 blue; 3 blue, 4 green, 1 red +Game 2: 3 red, 5 green; 5 green, 7 red; 1 blue, 7 red, 3 green; 3 red, 2 blue; 5 green, 4 red +Game 3: 4 blue, 4 green; 2 green, 2 blue; 8 green, 2 red, 3 blue +Game 4: 3 blue, 15 green; 16 green; 2 red, 7 green; 2 blue, 14 green +Game 5: 8 green, 6 red, 16 blue; 8 red, 12 green; 1 red, 9 green, 16 blue; 8 red, 3 green; 2 blue, 5 red, 10 green; 15 red, 4 blue, 8 green +Game 6: 5 blue, 2 green; 6 red, 3 green; 4 green, 4 blue, 2 red; 14 blue, 2 red +Game 7: 2 green, 6 blue, 1 red; 2 blue, 1 red; 8 blue; 5 blue, 1 green; 6 blue, 1 red; 2 blue +Game 8: 1 red, 10 blue, 1 green; 6 blue, 1 red; 3 blue, 2 green; 1 red, 1 blue, 3 green; 13 blue; 10 blue, 3 green, 3 red +Game 9: 2 blue; 8 green, 3 blue; 4 green; 14 green, 1 red, 2 blue; 3 blue, 1 red, 12 green +Game 10: 1 blue, 7 green; 1 red, 3 green, 5 blue; 1 blue, 5 green, 1 red; 13 green, 5 blue, 2 red +Game 11: 1 green, 10 red, 6 blue; 15 red, 12 blue; 18 red, 1 green, 1 blue +Game 12: 16 red, 8 blue, 1 green; 15 red, 3 blue, 1 green; 5 red +Game 13: 6 red, 7 blue, 7 green; 3 blue, 4 red, 13 green; 1 blue, 6 red, 11 green; 2 red, 1 blue, 14 green; 8 green, 5 blue, 2 red; 4 blue, 18 green, 4 red +Game 14: 16 red, 3 blue, 1 green; 7 green, 3 red; 16 red, 15 green, 3 blue; 3 blue, 13 red, 10 green +Game 15: 1 blue, 1 red; 3 blue, 2 green; 1 red; 2 red, 2 green, 3 blue; 3 blue, 1 red, 3 green +Game 16: 9 red, 3 blue; 13 red, 9 blue; 9 blue, 10 red; 5 red, 10 blue, 1 green; 2 red, 6 green, 8 blue; 6 green, 13 red, 5 blue +Game 17: 15 red, 17 green, 8 blue; 18 red, 16 blue, 15 green; 8 blue, 17 green, 10 red; 5 green, 3 red, 12 blue +Game 18: 2 blue, 11 red, 2 green; 1 green, 11 red, 11 blue; 1 red, 4 blue; 10 blue, 9 red; 1 blue, 7 red +Game 19: 2 blue, 3 green, 5 red; 8 blue, 16 green; 12 red, 7 blue, 8 green; 9 green, 1 blue; 3 red, 16 green, 10 blue +Game 20: 3 blue, 5 green, 6 red; 2 red, 8 blue, 7 green; 7 green, 3 blue; 2 red, 11 blue; 1 green, 6 red, 3 blue +Game 21: 16 red, 3 blue, 8 green; 10 red, 15 blue, 3 green; 6 green, 13 red, 15 blue; 11 green, 13 blue, 10 red +Game 22: 8 green, 1 blue; 2 blue, 9 green, 3 red; 2 red, 2 blue; 1 red, 3 blue, 8 green; 2 blue, 1 green; 1 green, 2 blue +Game 23: 2 blue, 8 red, 5 green; 9 green, 2 blue; 10 red, 2 green; 12 red, 1 blue; 11 green, 2 blue, 13 red; 7 green +Game 24: 6 red; 13 green, 7 red, 10 blue; 7 green, 9 red, 1 blue; 3 blue, 2 green, 2 red +Game 25: 7 green, 1 red, 2 blue; 8 green, 2 blue, 5 red; 5 blue, 8 green, 4 red; 5 blue, 2 green, 1 red; 5 green, 3 red, 7 blue; 3 blue, 6 green, 1 red +Game 26: 6 green, 3 red; 1 blue, 2 green, 2 red; 2 green, 2 red, 3 blue; 4 blue, 8 red, 2 green; 1 red, 1 green, 1 blue; 6 red, 5 blue +Game 27: 4 green, 13 blue, 2 red; 2 red, 7 green, 10 blue; 14 blue, 11 green, 1 red; 10 blue, 15 green +Game 28: 4 green, 13 red, 7 blue; 2 red, 5 blue; 5 blue, 4 green +Game 29: 6 green, 15 red; 1 blue, 6 red, 8 green; 6 green, 1 blue; 12 red; 1 green, 7 red, 1 blue +Game 30: 4 blue, 4 green, 2 red; 6 blue, 9 red, 20 green; 9 blue, 4 red, 2 green; 8 red, 8 blue, 1 green; 6 green, 12 blue, 2 red; 8 green, 8 red +Game 31: 9 blue; 1 red, 2 blue, 5 green; 2 blue, 2 red, 9 green; 2 blue, 1 red, 8 green; 11 green, 2 red, 3 blue; 7 green, 5 blue +Game 32: 15 red, 5 green; 4 green, 2 blue, 3 red; 1 blue, 9 red; 1 blue, 15 red; 4 blue, 2 red, 8 green; 3 green, 3 blue +Game 33: 13 blue, 1 red, 1 green; 8 blue, 6 red; 4 blue, 2 red +Game 34: 5 blue, 9 red, 7 green; 8 red, 6 green, 5 blue; 2 blue, 7 green, 12 red +Game 35: 4 blue, 15 red; 1 green, 10 blue, 7 red; 9 red, 3 green, 1 blue; 13 red, 9 blue; 3 blue, 2 red +Game 36: 4 blue, 18 green, 2 red; 5 green, 6 blue, 11 red; 6 red, 12 blue, 14 green; 19 green, 10 blue, 7 red; 7 red, 8 green, 9 blue +Game 37: 16 blue, 5 green, 18 red; 3 blue, 14 green, 1 red; 4 blue, 3 green, 14 red; 12 green, 7 red, 15 blue; 15 green, 11 blue, 2 red; 8 blue, 13 green, 6 red +Game 38: 6 red, 4 blue, 12 green; 3 red, 11 blue; 16 green, 2 blue, 8 red; 4 blue, 11 red, 4 green; 17 green, 7 red, 10 blue; 9 blue, 15 green, 1 red +Game 39: 1 green, 1 red, 10 blue; 1 red, 5 blue, 2 green; 4 red, 7 blue; 9 red, 6 green, 5 blue; 1 green, 2 blue, 9 red +Game 40: 13 blue, 11 red, 12 green; 8 green, 11 red, 4 blue; 2 blue, 2 green, 12 red; 2 green, 3 red, 13 blue; 13 blue, 6 red, 2 green; 4 green, 6 red, 8 blue +Game 41: 12 red, 4 green, 13 blue; 4 red, 7 blue, 10 green; 17 green, 17 red, 11 blue +Game 42: 1 red, 1 green; 1 red, 4 green; 1 blue, 4 red, 4 green; 3 red; 1 blue, 3 green, 1 red +Game 43: 7 blue, 10 green; 5 blue, 2 green; 2 blue, 1 green, 4 red; 14 red, 6 green, 7 blue; 4 green, 14 red, 8 blue; 4 green, 6 red +Game 44: 9 green, 4 red; 4 red, 6 green; 5 red, 2 blue, 7 green; 9 blue, 1 green, 14 red +Game 45: 20 blue, 4 red, 6 green; 3 blue, 1 green, 6 red; 8 blue, 8 green, 11 red +Game 46: 1 green, 6 red; 6 red, 3 blue, 3 green; 6 red, 3 blue, 4 green; 1 blue, 5 red; 1 green, 4 red, 1 blue; 2 green, 4 red +Game 47: 12 green, 8 red, 4 blue; 7 green, 6 red, 11 blue; 4 red, 11 blue, 12 green +Game 48: 1 green, 3 blue; 13 green, 3 red, 11 blue; 7 blue, 1 green, 2 red; 7 red, 15 green, 4 blue; 4 red, 8 blue, 10 green; 15 green, 8 blue, 6 red +Game 49: 2 red; 2 red, 9 blue; 4 blue, 1 green +Game 50: 10 blue, 1 green, 18 red; 13 red, 1 green, 7 blue; 4 red, 2 green, 9 blue; 2 green, 4 red, 10 blue; 7 blue, 3 red; 19 red, 9 blue +Game 51: 2 green, 2 red, 5 blue; 9 red, 5 blue; 3 red, 10 blue; 9 blue, 6 red, 7 green; 2 red, 5 blue +Game 52: 6 blue, 3 green; 5 green, 3 blue, 5 red; 1 blue, 2 green, 2 red +Game 53: 2 blue, 9 green, 15 red; 18 red, 1 blue; 13 red, 12 green; 7 green, 2 blue, 9 red +Game 54: 18 green; 2 red, 6 green; 6 red, 9 green, 1 blue; 1 blue, 4 green, 5 red; 3 red; 3 green, 4 red +Game 55: 5 red, 2 blue, 5 green; 10 blue, 4 green, 8 red; 15 green, 9 blue, 9 red; 1 green, 9 blue +Game 56: 8 green, 11 blue, 1 red; 1 blue, 1 red, 4 green; 8 blue +Game 57: 5 green, 4 blue; 1 blue, 4 green; 1 red, 1 green, 3 blue; 1 red, 2 blue, 6 green +Game 58: 8 green, 10 red, 10 blue; 8 blue, 6 green, 12 red; 9 green, 11 blue, 1 red; 12 red, 5 green, 11 blue; 7 red, 2 green, 8 blue +Game 59: 10 red, 1 green, 3 blue; 16 red, 1 green, 4 blue; 9 red, 2 blue; 1 red +Game 60: 11 blue, 13 green, 10 red; 15 red, 12 blue; 3 blue, 9 green, 6 red; 12 blue, 5 green +Game 61: 2 blue, 7 red; 3 green, 14 blue, 11 red; 7 red, 10 blue; 6 blue, 3 green, 4 red; 10 blue +Game 62: 1 blue, 7 green; 6 red, 12 green, 1 blue; 8 red +Game 63: 1 blue, 3 green, 1 red; 8 green, 10 red, 1 blue; 8 green, 11 red; 1 blue, 11 green, 5 red; 8 green, 11 red, 2 blue; 2 blue, 10 red, 6 green +Game 64: 17 green, 2 blue; 12 blue, 8 green; 11 green, 3 red, 4 blue; 5 red, 9 green, 14 blue +Game 65: 7 blue, 12 green, 5 red; 13 green, 5 blue, 4 red; 4 blue, 8 green, 1 red; 5 red, 10 green, 10 blue; 5 red, 5 blue, 15 green; 4 red, 9 green, 10 blue +Game 66: 8 green, 2 red; 8 red, 4 green; 5 red, 2 blue, 7 green +Game 67: 10 green, 7 blue, 2 red; 15 blue, 1 green, 9 red; 2 red, 7 green, 18 blue; 3 green, 5 blue, 8 red; 10 green, 11 blue, 1 red; 10 green, 4 red, 17 blue +Game 68: 13 green, 10 blue, 7 red; 1 red, 15 green, 7 blue; 17 green, 14 red, 3 blue; 6 green, 8 blue, 6 red; 4 red, 3 blue, 5 green +Game 69: 1 red, 6 green, 3 blue; 3 red, 4 blue, 6 green; 2 blue, 2 red, 1 green; 6 blue, 9 green, 2 red; 5 green, 6 blue +Game 70: 1 green, 1 red, 3 blue; 2 green, 4 blue, 8 red; 5 red, 2 green, 3 blue; 3 green, 1 red, 3 blue; 3 green, 4 blue +Game 71: 11 blue, 13 green; 1 red, 11 green, 3 blue; 6 blue, 14 green, 1 red; 5 blue, 17 green +Game 72: 3 blue, 10 green, 4 red; 2 green, 6 red, 13 blue; 1 green, 1 blue, 6 red; 5 red, 1 blue, 1 green; 2 green, 5 red, 5 blue; 9 blue, 10 green, 6 red +Game 73: 6 red, 4 green, 1 blue; 1 blue, 5 red, 3 green; 2 red, 11 green, 3 blue +Game 74: 13 green, 2 red, 2 blue; 5 blue, 6 green; 12 green, 3 red, 4 blue; 2 green +Game 75: 9 red, 10 blue, 6 green; 12 blue, 9 red; 11 red, 6 green; 12 blue, 2 red, 1 green +Game 76: 1 green, 2 blue, 5 red; 2 blue, 1 green; 1 blue, 2 green, 1 red; 2 blue, 1 red; 3 green, 3 red +Game 77: 5 green, 12 blue, 3 red; 11 blue, 9 green, 13 red; 8 blue, 13 green, 13 red +Game 78: 2 red, 3 blue, 1 green; 1 green, 19 blue, 1 red; 7 blue, 2 green, 2 red +Game 79: 5 red, 1 blue, 4 green; 1 blue, 9 green, 10 red; 13 red, 1 green; 1 blue, 1 red, 5 green +Game 80: 13 green, 2 blue; 1 red, 4 blue, 13 green; 5 red, 7 green, 4 blue +Game 81: 3 red, 4 blue, 12 green; 16 green, 5 red, 1 blue; 4 blue, 2 red, 2 green; 4 blue, 5 red, 13 green; 8 red, 4 blue, 13 green; 16 green, 3 red +Game 82: 6 red, 3 green, 2 blue; 1 green, 6 red, 2 blue; 3 blue, 8 green, 9 red +Game 83: 3 green, 3 red, 1 blue; 3 blue, 4 green, 3 red; 3 blue, 4 green, 1 red; 2 red, 8 green, 2 blue +Game 84: 5 red, 6 blue, 3 green; 1 blue, 2 green; 3 green, 2 blue, 2 red; 1 red, 3 green, 6 blue; 12 red, 2 green; 4 blue, 2 green, 4 red +Game 85: 11 green, 4 blue, 9 red; 13 red, 1 blue, 11 green; 7 green, 8 blue, 7 red; 1 red, 4 blue +Game 86: 3 blue, 19 green, 7 red; 19 green, 1 red, 1 blue; 9 green, 2 red; 7 red, 6 green, 1 blue +Game 87: 1 blue, 1 green, 4 red; 1 green, 6 red; 6 red, 2 blue; 8 red, 3 blue +Game 88: 9 red, 6 blue; 4 red, 1 blue, 2 green; 1 green, 10 blue, 6 red; 2 blue, 1 green, 10 red; 7 red, 9 blue +Game 89: 3 blue, 15 green, 1 red; 1 red, 13 green, 3 blue; 4 blue, 14 green, 4 red; 10 green, 1 blue +Game 90: 1 red, 13 green; 3 green, 1 red, 5 blue; 5 blue, 6 green; 14 green, 4 blue; 3 blue, 10 green; 13 green, 1 red +Game 91: 13 green, 11 red, 4 blue; 14 red, 1 green, 10 blue; 4 red, 2 green, 3 blue +Game 92: 2 red, 3 blue, 6 green; 2 red, 2 blue, 8 green; 14 blue, 1 red, 1 green +Game 93: 15 blue, 2 red, 13 green; 8 green, 2 red, 8 blue; 6 blue, 1 red, 2 green +Game 94: 5 red, 4 green, 9 blue; 1 red, 5 green, 4 blue; 11 blue, 4 green, 2 red +Game 95: 9 blue, 3 green; 2 green, 12 blue; 10 green, 3 blue; 1 green, 1 red, 10 blue +Game 96: 4 blue, 2 red; 3 green, 10 blue, 7 red; 2 blue, 7 green, 1 red; 13 blue, 9 green; 10 blue, 4 green, 1 red +Game 97: 6 red, 4 green; 1 blue, 13 red; 3 green, 13 red +Game 98: 1 red, 13 blue, 1 green; 7 green, 5 blue, 3 red; 15 blue, 6 green; 4 blue, 5 green; 13 blue, 2 green, 1 red; 4 blue, 3 red, 2 green +Game 99: 1 red, 2 green; 2 red, 2 blue, 1 green; 3 green, 1 blue, 6 red; 3 red, 4 green; 5 red, 1 blue, 4 green; 1 blue, 2 red, 1 green +Game 100: 9 green, 2 blue, 12 red; 2 blue, 14 red, 2 green; 14 red, 12 green