solved day2

3 files changed, 167 insertions, 0 deletions

diff --git a/2/1.hs b/2/1.hs
new file mode 100644
index 0000000..9151408
--- /dev/null
+++ b/2/1.hs
@@ -0,0 +1,36 @@
+import Text.Parsec.String (Parser)
+import Text.Parsec
+import System.Environment
+import Data.List
+import Data.Function
+import Data.Maybe
+import qualified Data.Map as M
+import Control.Monad
+
+data Color = Red | Green | Blue deriving (Eq,Ord)
+type Handful = (Color, Int)
+type Set = M.Map Color Int
+type Game = (Int, [Set])
+
+red = try $ string "red" *>  pure Red
+green = try $ string "green" *>  pure Green
+blue = try $ string "blue" *>  pure Blue
+
+color :: Parser Color
+color = red <|> green <|> blue 
+
+handful :: Parser Handful
+handful = space *> (flip (,) <$> read <$> many1 digit) <* space <*> color
+
+set = M.fromList <$> (sepBy handful $ string ",")
+game = string "Game " *> ((,) <$> read <$> many1 digit) <* string ":" <*> sepBy set (string ";")
+
+solution :: Game -> Maybe Int
+solution (i,m) = do
+    let m' = M.unionsWith max m
+    guard $ M.findWithDefault 0 Red m' <= 12
+    guard $ M.findWithDefault 0 Green m' <= 13
+    guard $ M.findWithDefault 0 Blue m' <= 14
+    return i
+
+main = head <$> getArgs >>= readFile >>= print . sum . catMaybes . map solution . catMaybes . map (either (const Nothing) Just . parse game "") <$> lines
\ No newline at end of file
diff --git a/2/2.hs b/2/2.hs
new file mode 100644
index 0000000..0d1f855
--- /dev/null
+++ b/2/2.hs
@@ -0,0 +1,31 @@
+import Text.Parsec.String (Parser)
+import Text.Parsec
+import System.Environment
+import Data.List
+import Data.Function
+import Data.Maybe
+import qualified Data.Map as M
+import Control.Monad
+
+data Color = Red | Green | Blue deriving (Eq,Ord)
+type Handful = (Color, Int)
+type Set = M.Map Color Int
+type Game = (Int, [Set])
+
+red = try $ string "red" *>  pure Red
+green = try $ string "green" *>  pure Green
+blue = try $ string "blue" *>  pure Blue
+
+color :: Parser Color
+color = red <|> green <|> blue 
+
+handful :: Parser Handful
+handful = space *> (flip (,) <$> read <$> many1 digit) <* space <*> color
+
+set = M.fromList <$> (sepBy handful $ string ",")
+game = string "Game " *> ((,) <$> read <$> many1 digit) <* string ":" <*> sepBy set (string ";")
+
+solution :: Game -> Int
+solution = product . M.elems . M.unionsWith max . snd
+
+main = head <$> getArgs >>= readFile >>= print . sum . map solution . catMaybes . map (either (const Nothing) Just . parse game "") <$> lines
\ No newline at end of file
diff --git a/2/input.txt b/2/input.txt
new file mode 100644
index 0000000..02772c8
--- /dev/null
+++ b/2/input.txt
@@ -0,0 +1,100 @@
+Game 1: 7 red, 14 blue; 2 blue, 3 red, 3 green; 4 green, 12 blue, 15 red; 3 green, 12 blue, 3 red; 11 red, 2 green
+Game 2: 16 blue, 9 red, 5 green; 8 red; 8 blue, 5 green, 12 red; 11 blue, 8 green, 17 red
+Game 3: 8 green, 1 blue, 7 red; 12 red, 6 blue, 9 green; 2 blue, 1 red, 14 green; 9 green, 4 red; 2 red, 1 blue, 8 green
+Game 4: 1 blue, 3 green; 2 green, 1 blue, 1 red; 1 red, 3 green
+Game 5: 6 red, 1 blue; 1 green; 5 red, 2 green; 1 red, 1 blue, 3 green
+Game 6: 3 green, 4 red, 1 blue; 2 blue, 5 green, 2 red; 12 green, 3 blue, 2 red; 4 blue, 1 green, 4 red; 11 green, 6 red; 5 green, 10 red, 3 blue
+Game 7: 2 blue, 3 green, 16 red; 1 blue, 3 red; 2 green, 13 red; 18 red, 2 blue, 1 green; 3 red, 1 blue
+Game 8: 4 red, 3 blue, 8 green; 2 red, 16 green; 2 red, 1 blue
+Game 9: 4 green, 14 blue, 8 red; 17 blue, 3 red, 5 green; 2 green, 4 red, 6 blue; 7 red, 2 green, 18 blue; 3 red, 19 blue, 4 green; 4 green, 8 red, 6 blue
+Game 10: 12 green, 7 red, 1 blue; 6 red, 12 green; 6 red, 7 green, 1 blue; 1 red, 1 blue, 18 green; 11 green, 1 blue
+Game 11: 10 green, 3 red, 13 blue; 13 blue, 6 green, 8 red; 12 blue, 4 green, 8 red; 9 green, 9 red, 3 blue; 6 blue, 7 green, 6 red; 11 blue, 13 green
+Game 12: 9 green, 2 blue; 4 green, 1 blue, 7 red; 2 green, 1 blue, 5 red
+Game 13: 1 green; 7 blue, 1 red, 2 green; 8 blue, 2 green
+Game 14: 8 red, 3 green; 1 red, 8 green; 1 blue, 10 green
+Game 15: 1 blue, 6 green, 14 red; 3 red, 1 blue, 6 green; 4 green; 1 blue, 5 green, 2 red; 2 blue, 1 green, 6 red; 4 red, 8 green, 1 blue
+Game 16: 1 green, 6 red, 8 blue; 1 green, 11 blue, 1 red; 7 blue, 3 green, 4 red; 2 green, 6 red, 12 blue
+Game 17: 3 blue, 4 red, 4 green; 18 blue, 6 red, 11 green; 2 green, 6 red, 17 blue; 12 green, 3 blue, 5 red
+Game 18: 3 green, 2 blue, 10 red; 7 green, 10 blue; 9 blue, 7 red, 14 green; 18 green, 10 blue, 11 red; 10 red, 2 blue, 16 green
+Game 19: 6 red, 1 green, 18 blue; 2 red, 1 blue; 7 blue, 3 red, 2 green; 18 blue, 2 green, 1 red; 7 red, 10 blue
+Game 20: 13 blue, 2 red; 2 green, 2 red; 1 green, 9 blue
+Game 21: 4 blue, 1 red; 2 red, 4 blue, 1 green; 3 red; 4 green, 1 red, 1 blue; 3 green, 9 blue, 1 red
+Game 22: 7 blue, 5 green, 14 red; 15 red, 9 blue, 11 green; 10 blue, 5 red, 11 green; 14 red, 10 blue, 13 green
+Game 23: 10 red, 6 blue; 1 red, 4 blue, 3 green; 3 green, 2 blue; 5 red, 3 green; 3 green, 4 blue, 5 red; 3 green, 7 red, 6 blue
+Game 24: 4 red, 8 green; 1 red, 10 green; 2 red, 1 green; 2 green, 1 blue; 4 red, 12 green; 3 green
+Game 25: 5 red, 2 blue, 6 green; 4 red, 3 blue, 8 green; 11 green, 4 red, 1 blue
+Game 26: 5 blue, 1 red; 18 blue, 4 green; 9 green, 3 red, 17 blue; 6 green, 10 blue, 1 red; 3 blue, 7 green; 4 blue, 3 red, 5 green
+Game 27: 13 red, 2 blue; 7 blue, 2 green, 12 red; 1 green, 9 blue, 9 red; 4 red, 4 green, 8 blue; 13 red, 6 blue; 3 red, 9 blue, 3 green
+Game 28: 1 blue, 12 green, 1 red; 1 blue, 12 green, 2 red; 2 red, 8 green, 1 blue; 5 green, 2 red; 1 blue, 9 green, 6 red; 1 blue, 13 green
+Game 29: 5 blue, 5 red, 11 green; 15 blue, 5 red, 10 green; 2 red, 11 green, 19 blue; 19 blue, 3 green, 6 red
+Game 30: 1 blue, 12 red, 1 green; 12 blue, 1 red, 2 green; 12 red, 5 green; 2 red, 2 green, 5 blue; 5 red, 2 green, 6 blue
+Game 31: 20 green, 1 red, 16 blue; 3 green, 1 red, 7 blue; 6 red, 18 blue, 8 green
+Game 32: 5 green; 1 blue, 2 red, 5 green; 1 blue, 2 red, 5 green; 2 green, 2 red
+Game 33: 6 blue, 5 green; 6 blue, 3 red, 1 green; 4 green, 3 blue, 2 red; 1 red, 6 blue, 5 green; 1 blue, 2 red, 5 green; 4 red, 3 blue
+Game 34: 12 red, 12 green; 12 red, 7 green; 1 blue, 12 red, 11 green; 7 red, 7 green, 2 blue
+Game 35: 3 red, 3 blue, 1 green; 1 green, 5 red, 5 blue; 8 green, 2 red, 14 blue; 8 green; 6 blue, 3 red, 6 green; 1 red, 1 blue, 12 green
+Game 36: 13 red, 5 blue; 13 blue, 10 green, 6 red; 10 red, 5 green, 10 blue; 10 blue, 8 green, 6 red; 1 green, 14 red, 2 blue; 8 green, 4 blue
+Game 37: 6 green, 1 red; 1 blue, 4 green, 1 red; 1 red, 14 green; 1 red, 9 green; 1 green, 1 red; 9 green, 1 red
+Game 38: 1 green, 4 blue, 17 red; 13 red, 9 blue, 12 green; 7 green, 11 blue
+Game 39: 18 green, 9 blue, 2 red; 11 red, 1 blue, 4 green; 9 red, 4 green, 10 blue; 9 blue, 5 red, 2 green
+Game 40: 3 green, 8 red; 2 green, 6 red; 1 green, 9 red, 4 blue; 1 blue, 6 red; 2 green, 2 blue, 3 red
+Game 41: 3 red, 15 green, 3 blue; 19 green, 2 red, 5 blue; 8 blue, 7 green, 4 red; 3 blue, 4 red, 5 green; 1 blue; 6 blue, 15 green, 3 red
+Game 42: 2 red, 18 blue, 6 green; 3 green, 2 blue, 8 red; 9 blue, 1 green, 5 red; 12 red, 3 blue, 8 green
+Game 43: 3 blue, 1 green, 3 red; 8 blue, 3 green, 1 red; 3 red, 5 blue; 3 green, 3 red, 7 blue; 6 blue, 1 green, 2 red; 7 blue, 2 green, 5 red
+Game 44: 2 green, 5 blue, 1 red; 9 red, 16 blue; 4 blue, 2 green, 12 red; 13 red, 5 blue, 10 green; 4 green, 3 blue, 11 red
+Game 45: 6 blue, 3 red, 13 green; 10 green, 13 blue, 12 red; 7 red, 19 blue, 16 green; 15 blue, 4 red, 11 green; 1 red, 4 green
+Game 46: 11 red, 2 green; 5 blue, 2 red, 2 green; 3 green, 8 red, 6 blue; 3 blue, 10 green, 8 red
+Game 47: 6 green, 16 red; 4 blue, 4 red, 2 green; 3 blue, 1 green, 12 red; 2 red, 4 blue, 4 green; 2 blue, 16 red; 5 blue, 5 green, 5 red
+Game 48: 8 red, 1 blue; 1 green, 2 blue, 6 red; 11 red, 6 green, 2 blue
+Game 49: 5 green, 16 blue, 2 red; 2 red, 20 blue, 6 green; 1 red, 3 blue, 5 green; 7 green, 4 blue
+Game 50: 9 red, 8 green; 11 green, 10 red, 1 blue; 9 red, 5 green; 1 blue, 12 green, 8 red; 1 blue, 5 green, 2 red; 6 green, 1 blue, 2 red
+Game 51: 1 red, 4 blue; 1 red, 3 green, 3 blue; 1 green, 1 red, 2 blue
+Game 52: 11 red, 4 blue; 1 green, 6 blue, 10 red; 8 blue, 13 red
+Game 53: 6 green, 9 red; 4 blue, 13 red, 2 green; 10 red, 5 green, 3 blue; 11 red, 3 blue, 4 green
+Game 54: 16 red, 9 blue, 8 green; 9 red, 1 blue; 12 green, 2 red, 13 blue; 5 blue, 14 green, 15 red; 3 green, 2 red, 2 blue
+Game 55: 3 green, 4 blue, 5 red; 3 red, 9 green, 1 blue; 3 blue, 4 green, 5 red; 4 green, 3 blue, 7 red; 5 red, 2 blue; 2 blue, 8 red, 5 green
+Game 56: 3 red, 5 green, 3 blue; 15 red, 3 green, 15 blue; 3 green, 1 blue, 10 red; 15 blue, 1 red, 2 green; 6 red, 16 blue, 6 green; 19 red, 16 blue
+Game 57: 5 blue, 1 red, 5 green; 8 blue, 16 green; 13 green, 5 blue, 3 red; 1 blue, 1 red, 13 green; 12 green, 3 red, 4 blue; 8 blue, 3 red, 1 green
+Game 58: 5 blue, 4 green; 7 blue, 1 red, 10 green; 1 red, 13 green, 4 blue; 7 blue, 12 green, 4 red; 4 red, 13 green, 5 blue; 2 green, 1 blue, 12 red
+Game 59: 2 red, 11 blue, 6 green; 1 green, 8 blue, 3 red; 4 red, 6 blue
+Game 60: 4 green, 1 red; 3 blue, 15 red, 2 green; 13 red, 16 blue, 2 green; 6 green, 13 blue, 10 red; 15 blue, 11 red, 5 green; 7 blue, 4 green
+Game 61: 14 red, 2 green, 14 blue; 1 green, 15 red, 3 blue; 2 green, 8 blue
+Game 62: 13 green, 13 blue; 1 red, 6 green, 1 blue; 13 blue, 16 green; 3 blue, 1 red, 2 green
+Game 63: 10 blue, 3 red, 4 green; 15 red; 10 blue, 10 green, 14 red; 9 blue, 6 green; 3 blue, 7 green, 13 red
+Game 64: 2 red, 4 green; 1 blue, 9 red; 1 green, 2 blue, 10 red; 9 red, 1 blue, 5 green; 6 green, 6 red
+Game 65: 10 blue, 4 green; 4 green, 2 red, 9 blue; 11 red, 1 green, 10 blue; 14 green, 19 blue, 3 red; 12 red, 5 blue, 11 green; 14 blue, 12 green, 11 red
+Game 66: 5 blue, 2 red; 5 blue, 1 green, 7 red; 14 red, 1 green, 2 blue; 8 red, 7 blue; 2 red, 4 blue, 1 green; 2 blue, 18 red
+Game 67: 6 red, 1 blue; 5 green, 2 blue, 1 red; 2 red, 3 green, 3 blue; 8 green, 4 blue, 6 red
+Game 68: 4 blue, 1 green; 12 blue, 2 red, 3 green; 2 green, 7 blue; 1 red, 19 blue, 3 green
+Game 69: 6 green, 11 red, 2 blue; 1 blue, 7 green, 6 red; 1 blue, 8 red; 17 red, 3 blue, 5 green
+Game 70: 2 green, 6 red, 4 blue; 2 green, 7 red, 1 blue; 11 blue, 1 green
+Game 71: 10 blue, 9 red; 3 red, 10 blue; 1 red, 8 blue, 2 green; 7 blue, 4 green, 5 red; 6 red, 2 blue, 7 green; 5 red, 2 blue, 4 green
+Game 72: 1 green, 12 blue, 8 red; 9 red, 3 blue; 2 red, 2 green, 10 blue
+Game 73: 7 red, 3 green, 11 blue; 4 green, 7 blue; 6 blue, 13 green, 9 red; 11 green, 4 blue; 12 blue, 3 red, 2 green; 9 green
+Game 74: 5 blue, 2 red; 6 red, 1 blue, 8 green; 6 green, 5 blue, 16 red; 1 green, 9 red, 3 blue; 12 green, 1 red, 1 blue; 2 blue, 7 green, 13 red
+Game 75: 5 green, 20 red; 7 red, 6 green, 2 blue; 4 green, 2 blue; 2 blue, 1 green, 3 red; 2 blue, 2 green, 12 red; 6 red, 6 green
+Game 76: 9 red, 12 green, 3 blue; 2 blue, 1 red, 6 green; 13 green, 2 blue; 2 red, 7 green, 3 blue; 7 red, 4 green, 2 blue; 2 red, 3 blue, 3 green
+Game 77: 2 blue, 6 red; 4 red, 15 green, 1 blue; 7 green, 5 blue, 6 red; 4 red, 5 blue
+Game 78: 5 blue, 3 red, 1 green; 2 green, 7 red, 3 blue; 3 blue, 5 red, 5 green
+Game 79: 6 red, 9 blue, 1 green; 9 green, 8 red, 7 blue; 1 blue, 12 green, 13 red; 7 red, 14 blue, 2 green; 13 blue, 4 green, 9 red; 4 blue, 2 green
+Game 80: 4 green, 2 blue; 5 green, 3 red, 8 blue; 9 blue, 11 red, 4 green; 2 blue, 3 green, 4 red; 5 red
+Game 81: 8 red, 3 blue, 4 green; 13 blue, 8 red, 1 green; 6 blue, 1 green; 18 green, 6 red, 10 blue; 17 green, 8 blue, 3 red; 6 red, 5 green, 12 blue
+Game 82: 3 red, 7 blue; 4 red, 6 blue, 14 green; 9 blue, 2 green, 3 red
+Game 83: 1 blue, 2 red; 5 green, 16 red; 12 red, 1 green; 8 green, 8 red
+Game 84: 3 red, 9 green, 1 blue; 3 red, 6 blue, 7 green; 5 red, 8 green, 8 blue; 5 red, 3 blue, 11 green; 3 green, 4 blue; 4 green, 1 blue, 2 red
+Game 85: 4 red, 6 blue, 1 green; 7 red, 6 blue; 9 red, 1 green; 1 blue, 1 green, 10 red; 2 red, 2 blue, 1 green; 5 blue, 7 red
+Game 86: 4 blue, 5 green, 6 red; 9 red, 3 blue; 5 green, 3 red, 10 blue; 3 green, 7 blue, 3 red; 4 red; 4 green, 1 blue, 8 red
+Game 87: 3 red, 3 green; 3 blue, 1 green; 3 red, 3 green; 3 red, 1 blue, 3 green; 2 green, 1 red
+Game 88: 1 red, 13 green, 3 blue; 17 blue, 14 green, 5 red; 3 red, 19 blue, 13 green; 7 green, 19 blue; 5 red, 13 green, 17 blue; 13 blue, 8 green, 2 red
+Game 89: 3 blue, 4 red; 2 green, 15 red, 1 blue; 3 green, 3 blue, 13 red; 3 blue, 9 red, 2 green; 8 red
+Game 90: 2 red, 2 green, 1 blue; 3 blue, 2 green; 1 blue, 2 green, 4 red; 3 blue
+Game 91: 13 blue, 5 green, 4 red; 17 blue, 8 red, 11 green; 1 green, 6 red, 19 blue; 12 blue, 6 green; 7 green, 2 red
+Game 92: 6 red, 4 green; 2 blue, 11 red; 4 green, 7 blue; 2 red, 12 blue, 2 green
+Game 93: 3 blue, 2 red; 2 blue, 11 red, 1 green; 7 red, 1 green; 1 red, 2 blue; 13 red, 3 blue
+Game 94: 2 blue, 1 red, 20 green; 1 red, 4 blue, 10 green; 1 red, 20 green, 13 blue; 20 green
+Game 95: 6 blue, 1 green; 3 red, 11 green; 4 blue
+Game 96: 4 red, 4 green, 3 blue; 4 green, 17 blue, 3 red; 3 red, 3 blue, 13 green; 8 red, 7 blue, 6 green
+Game 97: 5 blue, 9 green; 4 green, 4 blue; 4 red, 19 green; 2 red, 3 green; 19 green, 3 blue, 4 red; 3 red, 10 green
+Game 98: 4 blue, 10 red, 8 green; 2 red, 3 green; 5 red, 4 blue, 10 green
+Game 99: 9 blue, 12 red; 9 blue, 11 red, 13 green; 9 blue, 1 red, 13 green; 4 blue, 12 green; 10 blue, 17 red, 8 green
+Game 100: 8 red, 3 green; 4 green, 1 blue, 15 red; 10 red, 8 green, 1 blue