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Day 2

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Steph 2023-12-04 00:00:50 +01:00
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2023/app/Day2-input.txt Normal file
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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

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module Day2 where
import System.IO
import ParseLib.Abstract
import Prelude hiding ((<$), ($>), (<*), (*>), sequence)
import Data.Maybe
import Data.List
import Foreign (toBool)
main :: IO ()
main = do
handle <- openFile "app/Day2-input.txt" ReadMode
input <- hGetContents handle
let games = map (fst . head . parse parseGame . fst . head . parse lexer) (lines input)
cubes = map maxColors games
possible = filter isPossible cubes
total = sum (map fst possible)
putStr "Part 1: "
print total
let power = sum $ map totalPower cubes
putStr "Part 2: "
print power
where
isPossible :: (Int, [Color]) -> Bool
isPossible (_, cs) =
fromMaybe (Red 0) (find isRed cs) <= Red 12
&& fromMaybe (Green 0) (find isGreen cs) <= Green 13
&& fromMaybe (Blue 0) (find isBlue cs) <= Blue 14
totalPower :: (Int, [Color]) -> Int
totalPower (_, cs) =
value (fromMaybe (Red 1) (find isRed cs)) *
value (fromMaybe (Green 1) (find isGreen cs)) *
value (fromMaybe (Blue 1) (find isBlue cs))
data Token = TGame Int
| TRed Int
| TBlue Int
| TGreen Int
| TSep
deriving (Show, Eq)
isTGame TGame{} = True
isTGame _ = False
isTRed TRed{} = True
isTRed _ = False
isTBlue TBlue{} = True
isTBlue _ = False
isTGreen TGreen{} = True
isTGreen _ = False
lexer :: Parser Char [Token]
lexer = greedy parseToken
parseToken :: Parser Char Token
parseToken = TGame <$ token "Game " <*> natural <* token ": "
<|> TRed <$> natural <* token " red" <* greedy (token ", ")
<|> TBlue <$> natural <* token " blue" <* greedy (token ", ")
<|> TGreen <$> natural <* token " green" <* greedy (token ", ")
<|> TSep <$ token "; " <* greedy (token ", ")
data Game = Game Int [[Color]] deriving Show
data Color = Red Int | Green Int | Blue Int deriving (Show, Eq, Ord)
value (Red i) = i
value (Green i) = i
value (Blue i) = i
isRed Red{} = True
isRed _ = False
isBlue Blue{} = True
isBlue _ = False
isGreen Green{} = True
isGreen _ = False
colors (Game _ cs) = cs
parseGame :: Parser Token Game
parseGame = (\(TGame g) cs -> Game g cs) <$> satisfy isTGame <*> listOf (many parseColor) (symbol TSep)
parseColor :: Parser Token Color
parseColor = (\(TRed i) -> Red i) <$> satisfy isTRed
<|> (\(TGreen i) -> Green i) <$> satisfy isTGreen
<|> (\(TBlue i) -> Blue i) <$> satisfy isTBlue
maxColors :: Game -> (Int, [Color])
maxColors (Game i cs) = (i, [maximum red, maximum green, maximum blue])
where
red = mapMaybe (find isRed) cs
green = mapMaybe (find isGreen) cs
blue = mapMaybe (find isBlue) cs

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2023/app/Main.hs
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module Main where
import Day1
import Day2
main :: IO ()
main = Day1.main
main = Day2.main

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2023/x2023.cabal
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main-is: Main.hs
-- Modules included in this executable, other than Main.
other-modules: Day1
other-modules: Day1, Day2
-- LANGUAGE extensions used by modules in this package.
-- other-extensions:
build-depends: base ^>=4.16.4.0, extra
build-depends: base ^>=4.16.4.0, extra, uu-tc
hs-source-dirs: app
default-language: Haskell2010