AoC 2023HEADmain

32 files changed, 3324 insertions, 0 deletions

diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..55c5456
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,9 @@
+# Ignore all files without an extension
+*
+
+# Don't ignore files with extensions
+!*.*
+# Don't ignore directories
+!*/
+
+*.o
diff --git a/2023/.gitignore b/2023/.gitignore
new file mode 100644
index 0000000..4c9e245
--- /dev/null
+++ b/2023/.gitignore
@@ -0,0 +1,23 @@
+dist
+dist-*
+cabal-dev
+*.o
+*.hi
+*.hie
+*.chi
+*.chs.h
+*.dyn_o
+*.dyn_hi
+.hpc
+.hsenv
+.cabal-sandbox/
+cabal.sandbox.config
+*.prof
+*.aux
+*.hp
+*.eventlog
+.stack-work/
+cabal.project.local
+cabal.project.local~
+.HTF/
+.ghc.environment.*
diff --git a/2023/day01/Main.hs b/2023/day01/Main.hs
new file mode 100644
index 0000000..5f31582
--- /dev/null
+++ b/2023/day01/Main.hs
@@ -0,0 +1,34 @@
+import Data.List
+import Data.Char
+
+-- isDigit :: Char -> Bool
+-- isDigit c = c >= '0' && c <= '9'
+
+wordDict = ["zero", "one", "two", "three", "four", "five", "six", "seven", "eight", "nine"]
+
+findFirst :: String -> [String] -> Int
+findFirst [] _ = 0
+findFirst s@(x:xs) wordDict
+  | isDigit x = read [x]
+  | Just y <- elemIndex (take 3 s) wordDict = y
+  | Just y <- elemIndex (take 4 s) wordDict = y
+  | Just y <- elemIndex (take 5 s) wordDict = y
+  | otherwise = findFirst xs wordDict
+
+rev [] = []
+rev (x:xs) = rev xs ++ [x]
+
+main :: IO ()
+main = do
+  inputLines <- lines <$> getContents
+
+  let filterLines = map (filter isDigit) inputLines
+  let outerChars = map (\x -> [head x, last x]) filterLines
+  mapM_ putStrLn outerChars
+
+  let intList = map read outerChars :: [Int]
+  -- let intList = map (\x -> findFirst x wordDict * 10 + findFirst (rev x) (map rev wordDict)) inputLines
+  let result = sum intList
+
+  putStrLn $ show result
+
diff --git a/2023/day01/Main_clean.hs b/2023/day01/Main_clean.hs
new file mode 100644
index 0000000..21b18a3
--- /dev/null
+++ b/2023/day01/Main_clean.hs
@@ -0,0 +1,25 @@
+import Data.List
+import Data.Char
+
+wordDict = ["zero", "one", "two", "three", "four", "five", "six", "seven", "eight", "nine"]
+
+findFirst :: String -> [String] -> Int
+findFirst [] _ = 0
+findFirst s@(x:xs) wordDict
+  | isDigit x = read [x]
+  | Just y <- elemIndex (take 3 s) wordDict = y -- not needed for exercise 1
+  | Just y <- elemIndex (take 4 s) wordDict = y -- not needed for exercise 1
+  | Just y <- elemIndex (take 5 s) wordDict = y -- not needed for exercise 1
+  | otherwise = findFirst xs wordDict
+
+findLast s wordDict = findFirst (reverse s) (map reverse wordDict)
+
+main :: IO ()
+main = do
+  inputLines <- lines <$> getContents
+
+  let intList = map (\x -> findFirst x wordDict * 10 + findLast x wordDict) inputLines
+  let result = sum intList
+
+  print result
+
diff --git a/2023/day01/daniel.txt b/2023/day01/daniel.txt
new file mode 100644
index 0000000..4fb66fd
--- /dev/null
+++ b/2023/day01/daniel.txt
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\ No newline at end of file
diff --git a/2023/day01/example.txt b/2023/day01/example.txt
new file mode 100644
index 0000000..7bbc69a
--- /dev/null
+++ b/2023/day01/example.txt
@@ -0,0 +1,4 @@
+1abc2
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+a1b2c3d4e5f
+treb7uchet
diff --git a/2023/day01/example2.txt b/2023/day01/example2.txt
new file mode 100644
index 0000000..41aa89c
--- /dev/null
+++ b/2023/day01/example2.txt
@@ -0,0 +1,7 @@
+two1nine
+eightwothree
+abcone2threexyz
+xtwone3four
+4nineeightseven2
+zoneight234
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diff --git a/2023/day01/input.txt b/2023/day01/input.txt
new file mode 100644
index 0000000..d6c4d38
--- /dev/null
+++ b/2023/day01/input.txt
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diff --git a/2023/day02/Main.hs b/2023/day02/Main.hs
new file mode 100644
index 0000000..5b235d2
--- /dev/null
+++ b/2023/day02/Main.hs
@@ -0,0 +1,26 @@
+import Data.Char
+import Data.List
+
+type Parser a = String -> [(a, String)]
+
+char :: Parser Char
+char [] = []
+char (x:xs) = [(x, xs)]
+
+failure :: Parser a
+failure = (\a -> [])
+
+return :: Parser a
+return v inp = [(v, inp)]
+
+parse :: Parser a -> String -> [(a, String)]
+parse p inp = p inp
+
+main :: IO ()
+main = do
+  inputLines <- lines <$> getContents
+
+  -- let arePossible = filter isPossible lines
+
+  mapM_ putStrLn inputLines
+
diff --git a/2023/day02/MySplit.hs b/2023/day02/MySplit.hs
new file mode 100644
index 0000000..2bb5f3f
--- /dev/null
+++ b/2023/day02/MySplit.hs
@@ -0,0 +1,41 @@
+import Data.List.Split (splitOn)
+
+game :: String -> [String]
+game = splitOn [';']
+
+reveal :: String -> [String]
+reveal x = concat ( map (splitOn [',']) (game x) )
+
+colors :: String -> [(Int, String)]
+colors x = map (\x -> color (splitOn [' '] x)) (reveal x)
+
+color :: [String] -> (Int, String)
+color [_, i, s] = (read i, s)
+
+validColor :: (Int, String) -> Bool
+validColor (i, s) = case s of 
+  "red" -> i <= 12
+  "green" -> i <= 13
+  "blue" -> i <= 14
+  _ -> False
+
+getColors :: String -> String
+getColors s = tail (dropWhile (/= ':') s)
+
+isGameValid :: String -> Bool
+isGameValid s = all validColor (colors (getColors s))
+
+isValid :: [String] -> Bool
+isValid s = all isGameValid s
+
+main :: IO ()
+main = do
+  inputLines <- lines <$> getContents
+
+  -- let arePossible = filter isPossible lines
+  -- myColors <- isValid inputLines
+  print (sum (map (\(_,n) -> n) (filter (\(b,_) -> b) (zip (map isGameValid inputLines) [1..]))))
+
+  -- mapM_ putStrLn myColors
+  -- mapM_ putStrLn inputLines
+
diff --git a/2023/day02/MySplit2.hs b/2023/day02/MySplit2.hs
new file mode 100644
index 0000000..baee8ae
--- /dev/null
+++ b/2023/day02/MySplit2.hs
@@ -0,0 +1,50 @@
+import Data.List.Split (splitOn)
+
+game :: String -> [String]
+game = splitOn [';']
+
+reveal :: String -> [String]
+reveal x = concat ( map (splitOn [',']) (game x) )
+
+colors :: String -> [(Int, String)]
+colors x = map (\x -> color (splitOn [' '] x)) (reveal x)
+
+color :: [String] -> (Int, String)
+color [_, i, s] = (read i, s)
+
+validColor :: (Int, String) -> Bool
+validColor (i, s) = case s of 
+  "red" -> i <= 12
+  "green" -> i <= 13
+  "blue" -> i <= 14
+  _ -> False
+
+getColors :: String -> String
+getColors s = tail (dropWhile (/= ':') s)
+
+isGameValid :: String -> Bool
+isGameValid s = all validColor (colors (getColors s))
+
+isValid :: [String] -> Bool
+isValid s = all isGameValid s
+
+getMyColor :: String -> [(Int, String)]
+getMyColor s = colors (getColors s)
+
+myFilter :: String -> [(Int, String)] -> Int
+myFilter color s = maximum (map (\(i,_) -> i) (filter (\(_,c) -> c == color) s))
+
+main :: IO ()
+main = do
+  inputLines <- lines <$> getContents
+
+  -- let arePossible = filter isPossible lines
+  -- myColors <- isValid inputLines
+  -- print (sum (map (\(_,n) -> n) (filter (\(b,_) -> b) (zip (map isGameValid inputLines) [1..]))))
+  let myColors = map (\x -> getMyColor x) inputLines
+  let myResult = map (\c -> myFilter "red" c * myFilter "green" c * myFilter "blue" c) myColors
+  print (sum myResult)
+
+  -- mapM_ putStrLn myColors
+  -- mapM_ putStrLn inputLines
+
diff --git a/2023/day02/Parsing.hs b/2023/day02/Parsing.hs
new file mode 100644
index 0000000..1974be1
--- /dev/null
+++ b/2023/day02/Parsing.hs
@@ -0,0 +1,122 @@
+-- Functional parsing library from chapter 13 of Programming in Haskell,
+-- Graham Hutton, Cambridge University Press, 2016.
+
+module Parsing (module Parsing, module Control.Applicative) where
+
+import Control.Applicative
+import Data.Char
+
+-- Basic definitions
+
+newtype Parser a = P (String -> [(a,String)])
+
+parse :: Parser a -> String -> [(a,String)]
+parse (P p) inp = p inp
+
+item :: Parser Char
+item = P (\inp -> case inp of
+                     []     -> []
+                     (x:xs) -> [(x,xs)])
+
+-- Sequencing parsers
+
+instance Functor Parser where
+   -- fmap :: (a -> b) -> Parser a -> Parser b
+   fmap g p = P (\inp -> case parse p inp of
+                            []        -> []
+                            [(v,out)] -> [(g v, out)])
+
+instance Applicative Parser where
+   -- pure :: a -> Parser a
+   pure v = P (\inp -> [(v,inp)])
+
+   -- <*> :: Parser (a -> b) -> Parser a -> Parser b
+   pg <*> px = P (\inp -> case parse pg inp of
+                             []        -> []
+                             [(g,out)] -> parse (fmap g px) out)
+
+instance Monad Parser where
+   -- (>>=) :: Parser a -> (a -> Parser b) -> Parser b
+   p >>= f = P (\inp -> case parse p inp of
+                           []        -> []
+                           [(v,out)] -> parse (f v) out)
+
+-- Making choices
+
+instance Alternative Parser where
+   -- empty :: Parser a
+   empty = P (\inp -> [])
+
+   -- (<|>) :: Parser a -> Parser a -> Parser a
+   p <|> q = P (\inp -> case parse p inp of
+                           []        -> parse q inp
+                           [(v,out)] -> [(v,out)])
+
+-- Derived primitives
+
+sat :: (Char -> Bool) -> Parser Char
+sat p = do x <- item
+           if p x then return x else empty
+
+digit :: Parser Char
+digit = sat isDigit
+
+lower :: Parser Char
+lower = sat isLower
+
+upper :: Parser Char
+upper = sat isUpper
+
+letter :: Parser Char
+letter = sat isAlpha
+
+alphanum :: Parser Char
+alphanum = sat isAlphaNum
+
+char :: Char -> Parser Char
+char x = sat (== x)
+
+string :: String -> Parser String
+string []     = return []
+string (x:xs) = do char x
+                   string xs
+                   return (x:xs)
+
+ident :: Parser String
+ident = do x  <- lower
+           xs <- many alphanum
+           return (x:xs)
+
+nat :: Parser Int
+nat = do xs <- some digit
+         return (read xs)
+
+int :: Parser Int
+int = do char '-'
+         n <- nat
+         return (-n)
+       <|> nat
+
+-- Handling spacing
+
+space :: Parser ()
+space = do many (sat isSpace)
+           return ()
+
+token :: Parser a -> Parser a
+token p = do space
+             v <- p
+             space
+             return v
+
+identifier :: Parser String
+identifier = token ident
+
+natural :: Parser Int
+natural = token nat
+
+integer :: Parser Int
+integer = token int
+
+symbol :: String -> Parser String
+symbol xs = token (string xs)
diff --git a/2023/day02/Test.hs b/2023/day02/Test.hs
new file mode 100644
index 0000000..6d21d48
--- /dev/null
+++ b/2023/day02/Test.hs
@@ -0,0 +1,43 @@
+import Data.Char (isDigit, isSpace)
+
+data Color = Red | Green | Blue deriving (Show, Eq)
+
+-- Parse a single digit
+digit :: Char -> Maybe Int
+digit c
+  | isDigit c = Just (read [c])
+  | otherwise = Nothing
+
+-- Parse an integer
+-- Parse an integer
+parseInt :: String -> Maybe Int
+parseInt str = case reads str of
+  [(num, "")] -> Just num
+  _           -> Nothing
+
+-- Parse color
+parseColor :: String -> Maybe Color
+parseColor "red"   = Just Red
+parseColor "green" = Just Green
+parseColor "blue"  = Just Blue
+parseColor _       = Nothing
+
+-- Parse the entire input string
+parseInput :: String -> Maybe Bool
+parseInput input = do
+  let (numStr, rest) = span (\c -> isDigit c ) input
+  num <- parseInt numStr
+  let colorStr = dropWhile isSpace rest
+  color <- parseColor colorStr
+  case color of
+    Red   -> pure (num < 12)
+    Green -> pure (num < 13)
+    Blue  -> pure (num < 14)
+
+main :: IO ()
+main = do
+  putStrLn "Enter input (e.g., '10 red'):"
+  input <- getLine
+  case parseInput input of
+    Just result -> putStrLn $ "Result: " ++ show result
+    Nothing     -> putStrLn "Invalid input."
diff --git a/2023/day02/example.txt b/2023/day02/example.txt
new file mode 100644
index 0000000..295c36d
--- /dev/null
+++ b/2023/day02/example.txt
@@ -0,0 +1,5 @@
+Game 1: 3 blue, 4 red; 1 red, 2 green, 6 blue; 2 green
+Game 2: 1 blue, 2 green; 3 green, 4 blue, 1 red; 1 green, 1 blue
+Game 3: 8 green, 6 blue, 20 red; 5 blue, 4 red, 13 green; 5 green, 1 red
+Game 4: 1 green, 3 red, 6 blue; 3 green, 6 red; 3 green, 15 blue, 14 red
+Game 5: 6 red, 1 blue, 3 green; 2 blue, 1 red, 2 green
diff --git a/2023/day02/input.txt b/2023/day02/input.txt
new file mode 100644
index 0000000..876d2a0
--- /dev/null
+++ b/2023/day02/input.txt
@@ -0,0 +1,100 @@
+Game 1: 12 blue; 2 green, 13 blue, 19 red; 13 red, 3 green, 14 blue
+Game 2: 12 blue, 1 red, 1 green; 1 red, 12 blue, 3 green; 5 green, 1 red, 9 blue; 1 red, 7 blue, 4 green
+Game 3: 1 red; 12 blue, 15 red; 1 green, 10 red, 2 blue; 1 green, 3 red, 9 blue
+Game 4: 6 blue, 5 green; 2 blue, 6 green, 6 red; 11 blue, 5 red; 6 green, 11 red, 7 blue; 4 green, 10 red; 1 green, 7 red, 13 blue
+Game 5: 10 green, 1 red, 2 blue; 3 red, 4 green, 4 blue; 5 green, 5 red
+Game 6: 1 green, 6 blue, 14 red; 9 blue, 5 red; 14 red, 12 blue
+Game 7: 1 green, 9 red, 8 blue; 9 blue, 1 green, 6 red; 1 green, 15 blue, 19 red
+Game 8: 9 red, 7 green, 2 blue; 6 red, 17 green; 18 red, 16 green, 2 blue; 10 red, 14 green
+Game 9: 1 blue, 11 red, 9 green; 8 red, 1 blue, 9 green; 4 blue, 16 red, 9 green; 8 green, 3 blue, 6 red; 8 green, 11 red, 3 blue; 11 red, 2 blue
+Game 10: 8 green, 14 blue; 1 red, 6 blue, 9 green; 6 blue, 4 green, 1 red; 16 green, 9 blue
+Game 11: 6 green, 11 blue, 1 red; 10 green, 1 red; 7 blue, 2 green, 1 red
+Game 12: 3 green, 5 blue, 2 red; 14 blue, 16 green, 4 red; 8 green, 14 blue, 4 red
+Game 13: 5 red, 12 blue, 2 green; 2 green, 1 red, 9 blue; 1 red, 2 blue, 3 green; 3 green, 3 red, 7 blue; 2 red, 13 blue; 1 red, 10 blue, 2 green
+Game 14: 5 blue, 1 red, 2 green; 8 blue, 1 green, 1 red; 1 blue, 2 green
+Game 15: 14 blue, 9 green, 1 red; 2 red, 15 blue, 12 green; 1 blue, 2 green, 1 red; 1 red, 16 green, 15 blue; 1 red, 12 green, 8 blue; 1 red, 17 blue
+Game 16: 7 red, 1 green, 18 blue; 7 blue, 5 green, 17 red; 14 blue, 8 red, 6 green
+Game 17: 4 green, 5 blue; 5 green, 1 red, 7 blue; 3 green, 6 blue, 4 red; 2 green, 5 blue; 9 green, 6 red, 6 blue
+Game 18: 8 red, 6 blue; 4 blue, 19 red; 4 blue, 9 red; 9 blue, 10 red; 2 green, 9 blue, 13 red; 3 blue, 7 red
+Game 19: 8 green, 2 red, 17 blue; 11 blue, 4 red, 5 green; 8 blue, 8 green, 10 red; 9 green, 4 blue, 2 red; 4 green, 10 red, 6 blue
+Game 20: 9 green, 3 blue, 1 red; 5 blue, 16 green, 3 red; 3 green, 3 red; 2 blue, 1 red, 5 green
+Game 21: 7 green, 1 red, 10 blue; 7 green, 5 blue, 7 red; 7 green, 9 blue
+Game 22: 5 red, 2 blue, 9 green; 6 red, 11 green; 6 green, 6 red
+Game 23: 14 red, 2 blue, 9 green; 9 green, 1 blue, 4 red; 9 red, 1 green, 1 blue; 6 green; 3 blue, 1 green, 9 red; 1 blue, 2 red
+Game 24: 3 red, 7 green, 6 blue; 1 green, 5 blue; 6 blue, 1 red, 2 green; 5 red, 1 blue, 4 green; 6 red, 2 blue, 11 green; 2 green, 2 red, 1 blue
+Game 25: 5 green, 1 red, 3 blue; 3 blue, 6 green, 3 red; 3 red, 4 green, 1 blue; 6 green, 1 blue, 9 red; 2 blue, 2 red, 1 green
+Game 26: 3 green, 4 red, 12 blue; 2 red, 1 green, 15 blue; 7 red, 16 green, 4 blue; 11 blue, 11 green, 3 red; 8 green, 15 blue, 10 red
+Game 27: 9 red; 10 red, 2 blue; 3 red; 8 red, 1 green, 2 blue; 1 red, 2 blue; 1 blue, 4 red
+Game 28: 5 blue, 8 red, 5 green; 10 blue, 4 red, 5 green; 8 red, 14 blue, 10 green; 10 blue, 4 red, 1 green; 5 red, 17 green, 4 blue
+Game 29: 16 green, 11 red, 5 blue; 11 red, 14 blue, 13 green; 13 blue, 8 green; 3 red, 18 green, 15 blue
+Game 30: 2 red, 4 blue, 8 green; 6 green, 2 red, 2 blue; 6 green, 6 blue, 2 red
+Game 31: 2 red, 1 blue, 16 green; 10 green, 1 blue, 7 red; 1 blue, 14 green, 7 red; 2 blue, 1 green, 1 red; 6 red, 13 green; 2 blue, 6 red, 10 green
+Game 32: 4 green, 4 blue; 1 green, 5 red; 6 green, 1 red; 3 green, 5 red, 2 blue; 4 red, 1 blue, 4 green; 6 green, 2 blue, 6 red
+Game 33: 5 blue, 2 red, 1 green; 5 blue; 1 blue, 1 green, 10 red; 8 red, 3 blue, 1 green
+Game 34: 15 blue, 7 green; 12 green, 17 blue; 10 blue, 11 green; 1 red, 5 blue, 9 green; 2 red, 10 blue, 11 green
+Game 35: 2 red, 6 blue; 2 red, 5 blue, 4 green; 2 red, 8 green, 10 blue
+Game 36: 4 red, 9 green, 3 blue; 4 red, 6 green; 6 red; 11 red, 4 green
+Game 37: 3 blue, 12 green, 14 red; 3 red, 5 green, 7 blue; 2 blue, 2 green, 16 red
+Game 38: 17 blue, 16 red, 8 green; 4 green, 17 blue, 4 red; 8 red, 7 blue, 6 green; 2 blue, 9 green, 17 red; 10 blue, 8 green, 11 red
+Game 39: 10 blue, 1 red, 4 green; 4 green, 4 red, 6 blue; 11 blue
+Game 40: 5 green, 17 blue; 11 blue, 4 green, 7 red; 2 green, 6 red, 13 blue; 7 blue, 12 green, 16 red; 15 red, 3 green, 8 blue; 12 green, 3 blue, 12 red
+Game 41: 13 blue, 3 red, 1 green; 2 green, 10 red; 1 blue, 5 red, 3 green; 5 green, 16 blue; 9 blue, 2 green; 14 blue, 4 green, 5 red
+Game 42: 2 blue, 15 green, 3 red; 3 red, 17 green; 6 red, 1 blue, 8 green
+Game 43: 8 green, 9 red, 3 blue; 1 blue, 13 red; 5 red, 1 blue, 6 green; 2 red, 2 blue; 17 red, 2 blue, 6 green
+Game 44: 10 red, 3 blue; 10 blue, 5 green; 4 red, 4 blue, 1 green; 16 blue, 6 red, 7 green; 3 green, 12 blue
+Game 45: 12 blue, 2 red; 2 blue, 3 red, 2 green; 8 blue, 3 green; 4 green, 8 blue, 5 red; 3 red, 2 blue, 1 green; 1 red, 2 blue, 7 green
+Game 46: 1 blue, 11 red, 6 green; 2 blue, 11 red, 6 green; 8 red, 5 green
+Game 47: 2 blue, 9 red; 1 green, 5 blue; 10 red, 2 blue, 2 green; 10 red, 3 green, 3 blue; 3 red, 6 blue, 2 green; 1 red, 1 green, 5 blue
+Game 48: 1 red, 7 green; 1 blue, 10 green, 5 red; 4 red, 8 green; 10 red, 10 green; 2 red, 16 green; 11 red, 14 green, 1 blue
+Game 49: 1 red, 1 blue, 5 green; 6 green, 5 red; 3 blue, 4 red, 3 green; 3 red, 5 green, 2 blue; 3 blue, 3 red
+Game 50: 17 red, 1 green, 7 blue; 4 blue, 1 red, 5 green; 10 red, 13 blue; 17 red
+Game 51: 2 red, 1 green; 1 green, 10 blue, 2 red; 5 red, 1 green, 7 blue; 7 blue, 1 red; 9 blue, 5 red, 2 green
+Game 52: 8 green, 1 blue; 14 green, 1 red; 10 green, 1 red
+Game 53: 17 green, 6 blue; 17 blue, 9 green; 1 red, 12 blue
+Game 54: 4 blue, 7 red, 9 green; 7 red, 2 green; 14 green, 10 red, 3 blue; 9 green, 6 blue, 5 red; 2 blue, 3 green, 11 red
+Game 55: 11 green, 4 red; 14 green; 3 red, 3 green; 3 green, 4 red, 1 blue; 15 green, 6 red, 2 blue; 4 red, 3 blue, 15 green
+Game 56: 8 blue, 5 red, 9 green; 11 green, 5 blue, 6 red; 1 green, 1 blue, 7 red; 7 green, 4 red, 1 blue; 9 blue, 5 red, 1 green; 5 red, 2 blue
+Game 57: 11 green, 19 blue, 5 red; 15 green, 5 red, 18 blue; 16 green, 5 red, 10 blue; 19 blue, 3 red; 9 green, 8 blue
+Game 58: 4 blue, 12 green; 11 green, 4 blue; 6 blue, 6 green; 1 red, 2 green; 11 green, 3 blue; 13 blue, 6 green
+Game 59: 10 blue, 1 red; 1 green, 4 blue; 4 blue
+Game 60: 7 red, 2 green, 6 blue; 1 green, 13 red, 12 blue; 9 blue, 9 green, 8 red
+Game 61: 7 green, 3 red, 2 blue; 1 red, 1 blue; 5 green, 3 blue; 4 blue, 1 red, 4 green
+Game 62: 1 green, 8 blue, 6 red; 7 blue, 3 red, 12 green; 2 blue, 7 red, 6 green
+Game 63: 3 red, 2 green; 3 green, 4 blue, 9 red; 3 blue, 3 green, 16 red; 4 red, 1 blue
+Game 64: 10 red, 2 green, 15 blue; 4 red, 14 green; 6 red, 14 green, 2 blue
+Game 65: 11 red, 14 green, 5 blue; 7 blue, 14 green, 15 red; 1 blue, 14 green; 4 green, 4 blue, 7 red
+Game 66: 6 blue, 9 green, 6 red; 6 blue, 2 red, 4 green; 3 blue; 8 blue, 5 green, 8 red; 17 blue, 11 green; 12 green, 11 blue, 4 red
+Game 67: 8 red, 4 blue, 6 green; 4 blue, 8 red, 2 green; 1 green, 6 red, 2 blue; 10 red, 1 green, 2 blue; 1 blue, 5 red; 2 red, 1 green, 2 blue
+Game 68: 10 green, 9 red, 13 blue; 2 blue, 2 green, 4 red; 11 red, 13 blue; 4 green, 2 red, 8 blue
+Game 69: 16 red; 12 red, 1 green, 4 blue; 1 green, 14 red, 9 blue; 12 blue, 2 green, 13 red; 14 red, 2 green, 10 blue; 11 blue
+Game 70: 1 red, 19 green; 4 blue, 6 green; 12 green, 2 red
+Game 71: 9 green, 2 blue, 3 red; 5 red; 1 red, 1 blue, 5 green
+Game 72: 1 green, 19 red; 12 red, 1 green, 1 blue; 16 red, 6 blue; 14 red, 7 blue; 11 blue, 1 green, 13 red; 16 blue, 4 red
+Game 73: 1 green, 1 red, 2 blue; 8 green, 2 red, 4 blue; 7 blue, 7 green, 7 red
+Game 74: 1 blue, 1 green; 1 red; 1 red, 5 blue, 4 green; 2 blue, 1 red; 1 blue
+Game 75: 8 green, 1 red; 3 blue, 1 red, 5 green; 12 green
+Game 76: 8 green, 6 red, 2 blue; 7 red, 1 blue; 2 blue, 9 green, 1 red; 8 red, 13 green; 12 green, 2 red; 7 green, 5 red
+Game 77: 3 blue, 1 green, 10 red; 13 red; 1 blue, 13 red, 1 green
+Game 78: 2 red, 3 green, 14 blue; 3 red, 16 blue, 6 green; 3 blue, 3 red, 9 green; 4 blue, 11 green; 6 green, 2 blue; 2 red, 10 green, 11 blue
+Game 79: 5 green, 10 blue, 2 red; 16 green, 15 blue, 1 red; 1 red, 11 green; 1 red, 11 blue, 16 green; 7 blue, 18 green
+Game 80: 9 blue, 10 green; 13 green, 9 blue; 1 red, 5 green, 5 blue; 13 green, 5 blue, 1 red
+Game 81: 9 green, 15 red, 11 blue; 11 blue, 9 red, 5 green; 2 green, 11 blue, 19 red; 14 green, 15 red, 5 blue
+Game 82: 4 green, 6 red, 13 blue; 5 blue, 5 red, 4 green; 2 green, 7 blue
+Game 83: 12 blue, 8 red; 6 red, 1 blue, 1 green; 7 red, 1 green, 1 blue; 6 red, 1 green, 9 blue; 10 blue, 3 red; 1 red, 5 blue
+Game 84: 9 blue, 13 red; 8 blue, 1 green; 9 blue, 1 green; 3 blue, 5 red, 1 green
+Game 85: 14 green, 5 blue, 8 red; 1 blue, 5 green, 1 red; 10 red, 7 blue, 17 green; 3 blue, 6 green; 6 red, 5 blue, 4 green; 5 blue, 4 green, 6 red
+Game 86: 14 red; 20 red, 3 blue; 1 green, 12 blue, 15 red; 16 red, 13 blue; 13 red, 12 blue; 2 blue, 20 red
+Game 87: 2 blue, 2 red, 10 green; 8 green, 9 red, 1 blue; 11 red, 1 green, 4 blue; 13 red, 1 blue; 11 green, 16 red, 3 blue
+Game 88: 5 green, 4 red, 1 blue; 3 blue, 8 red, 10 green; 11 green, 7 red, 4 blue; 11 green, 5 blue, 4 red; 9 red, 9 green; 4 blue, 6 green, 9 red
+Game 89: 2 blue, 2 red, 5 green; 2 red, 2 blue, 3 green; 2 red, 1 blue, 7 green; 6 green, 1 red, 2 blue
+Game 90: 4 green, 1 blue, 5 red; 2 blue, 2 red, 10 green; 2 green, 8 red, 1 blue; 10 green, 5 red; 2 red, 3 green, 2 blue
+Game 91: 16 blue, 5 red, 15 green; 4 green, 7 red, 3 blue; 4 red, 8 green, 12 blue; 4 green, 8 red, 17 blue
+Game 92: 13 red, 2 blue, 12 green; 19 green, 7 red; 17 green, 2 blue, 3 red; 6 blue, 11 red, 10 green; 6 red, 15 green, 3 blue; 6 blue, 20 green, 11 red
+Game 93: 2 blue, 3 green; 1 blue, 4 red; 1 red
+Game 94: 3 red, 5 green, 6 blue; 7 blue, 5 green, 6 red; 9 blue, 1 green, 2 red; 4 blue, 1 green, 4 red
+Game 95: 8 green, 9 red, 2 blue; 7 green, 7 red; 2 green, 4 blue, 6 red; 6 blue, 2 red, 2 green
+Game 96: 11 blue, 4 red; 1 green, 3 red, 14 blue; 2 green, 3 red, 8 blue; 7 red, 1 green, 3 blue; 8 blue, 6 red, 2 green; 9 blue, 3 red, 3 green
+Game 97: 5 green, 13 red, 7 blue; 2 blue, 12 red, 6 green; 10 blue, 11 red, 3 green; 4 green, 11 blue, 15 red; 8 green, 16 blue, 1 red; 15 blue, 4 red, 5 green
+Game 98: 3 blue, 1 red; 4 blue; 2 green, 1 blue; 2 green, 1 red, 5 blue
+Game 99: 4 green, 3 blue, 9 red; 6 blue, 5 red, 3 green; 2 green, 4 blue, 7 red; 8 red, 4 blue; 2 green, 15 red; 4 red, 5 blue, 3 green
+Game 100: 8 red, 4 blue, 4 green; 10 blue, 3 red, 4 green; 10 green, 4 red; 18 red, 9 blue, 2 green; 12 red, 4 green, 2 blue
diff --git a/2023/day03/Main.hs b/2023/day03/Main.hs
new file mode 100644
index 0000000..d9d8f4b
--- /dev/null
+++ b/2023/day03/Main.hs
@@ -0,0 +1,28 @@
+import Data.Char
+import Data.List
+
+-- findBegin :: ((Int, Int), Char) -> [((Int, Int), Char)] -> ((Int, Int), Char)
+findBegin s@((x,y), c) dict = case filter (\(p,_) -> p == (x,y-1)) dict of
+  [] -> s
+  n:xs -> findBegin n dict
+
+main :: IO ()
+main = do
+  inputLines <- lines <$> getContents
+
+  let distances = concat (map (\x -> (map (\y -> (x,y)) [-1..1])) [-1..1])
+
+  let numInputLines = zip [0..] (map (zip [0..]) inputLines)
+  let charCoords = concat (map (\(x, l) -> (map (\(y, c) -> ((x,y),c)) l)) numInputLines)
+  let symbols = map (\(p, c) -> p) (filter (\(_,c) -> not (c == '.' || isDigit c)) charCoords)
+  let digits = filter (\(_,c) -> isDigit c) charCoords
+  let serialChars = filter (\((x,y),_) -> any (\x -> elem x symbols) (map (\(x1,y2) -> (x + x1, y + y2)) distances)) digits
+  let serialBegins = nub $ map (\x -> findBegin x digits) serialChars
+  let serialNumbers = map (\((x,y), c) -> read (takeWhile isDigit (drop y (inputLines!!x))) :: Integer) serialBegins
+  -- print charCoords 
+  -- print symbols
+  print (sum serialNumbers)
+  -- convert input to [((x,y), Char)]
+
+  -- mapM_ putStrLn inputLines
+
diff --git a/2023/day03/Main2.hs b/2023/day03/Main2.hs
new file mode 100644
index 0000000..d7329f6
--- /dev/null
+++ b/2023/day03/Main2.hs
@@ -0,0 +1,30 @@
+import Data.Char
+import Data.List (nub, sort)
+
+findBegin s@((x,y), c) dict = case filter (\(p,_) -> p == (x,y-1)) dict of
+  [] -> s
+  n:xs -> findBegin n dict
+
+uniqueLists :: [[((Int, Int), Char)]] -> [[((Int, Int), Char)]]
+uniqueLists = nub . map sort
+
+getNumber :: ((Int, Int), Char) -> [String] -> Int
+getNumber ((x,y),c) dict = read (takeWhile isDigit (drop y (dict!!x))) :: Int
+
+main :: IO ()
+main = do
+  inputLines <- lines <$> getContents
+
+  let distances = concat (map (\x -> (map (\y -> (x,y)) [-1..1])) [-1..1])
+
+  let numInputLines = zip [0..] (map (zip [0..]) inputLines)
+  let charCoords = concat (map (\(x, l) -> (map (\(y, c) -> ((x,y),c)) l)) numInputLines)
+  let gears = map (\(p, c) -> p) (filter (\(_,c) -> c == '*') charCoords)
+  let digits = filter (\(_,c) -> isDigit c) charCoords
+  let gearsChars = map (\(x,y) -> (filter (\(p,xd) -> (elem p (map (\(x1,y1) -> (x+x1,y+y1)) distances))) digits)) gears
+
+  let gearsBegins = uniqueLists $ map (\gearChars -> (nub (map (\x -> (findBegin x digits)) gearChars))) gearsChars
+  let twoGears = filter (\x -> length x == 2) gearsBegins
+  let serialNumbers = map (\gs -> product $ map (\g -> getNumber g inputLines) gs) twoGears
+  print (sum serialNumbers)
+
diff --git a/2023/day03/example.txt b/2023/day03/example.txt
new file mode 100644
index 0000000..b20187f
--- /dev/null
+++ b/2023/day03/example.txt
@@ -0,0 +1,10 @@
+467..114..
+...*......
+..35..633.
+......#...
+617*......
+.....+.58.
+..592.....
+......755.
+...$.*....
+.664.598..
diff --git a/2023/day03/input.txt b/2023/day03/input.txt
new file mode 100644
index 0000000..0d465e9
--- /dev/null
+++ b/2023/day03/input.txt
@@ -0,0 +1,140 @@
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+....../....*....463.............183$..961........*.......*....#...........572......618.............52..........@........205......*....&429..
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+.523..97...186..907....508....................739......*................*.....*856.&....15..................$.....911.......&..877..632.....
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+768......*626.926....=.....676...981=............703.........682.&141....................444......=........@.........*......*......539......
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+.324........879.....................*.=...............316.....*480......*............*............439*.........621.961.......*481...........
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+.................651........851.......37*...........303.................................446......61......*......346................@...*....
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+.....*....................218.....*.............*.....739..320*.........358....*...521......383.........*.....27...........107..............
+...969...718..................+....200.534.237+..........................=..889....*..........@........396.......................103..243...
+........&..................841...-......&........./748...655..325.................430............813.................618.....687...#..@.....
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+............669...909.......342..*...........*..........444@...@.....-..611.911..............864......114....555..628..890..................
+............*.....................444.....921................783.......*.......................................*........=...414.............
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+......*............207.653....113...359............227............357............*..........771...........426.905..............313..563.....
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+........944........-379...............403.....934......47........................................*..............694........359..............
+732.............14..........*..........*.........*.................720....325..............375.483.............*.....356&..............686..
+.......160..672*.........250.125....791.....&76...1.....&963...422..#........../....191......*................925..........771...405&.-.....
+...205....%......402................................117........*.........887....509..........44.....417.................=.-.................
+...................*............=..145......746.......*........861..804....*.........313...............*....*.........761.......638.........
+..852..767.....#67.835......$.359..*..................789.@................675.938.............957..........459.652..............*...949....
+........*.................977.....779.......348...627.....136.........+623..........964.............948+..........*.................=.......
+........882......+............................./...#...............................*......311...152.......186......233.......374.......989..
+..148.........125.....931......706%....#...379.........................181.......227..........*..........*..............581..*..............
+.....*..179..............*.............970.../.......605...........736*......................700......970.................*.........+.487...
+....209...*..............810....790..............787*......................#...+....-...824......587......709*.....899.....283....324..*....
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diff --git a/2023/day04/Main.hs b/2023/day04/Main.hs
new file mode 100644
index 0000000..9bf100b
--- /dev/null
+++ b/2023/day04/Main.hs
@@ -0,0 +1,20 @@
+import Data.List.Split (splitOn)
+
+getGame :: String -> String
+getGame s = tail $ dropWhile (/= ':') s
+
+splitGame :: String -> [[String]]
+splitGame s = map (\x -> filter (/= "") (splitOn [' '] x)) (splitOn ['|'] s)
+
+calcPoints :: [String] -> Int
+calcPoints w = round $ 2^^(length w - 1)
+
+main :: IO ()
+main = do
+  inputLines <- lines <$> getContents
+  let games = map (\x -> splitGame (getGame x)) inputLines
+  let wins = map (\[w, cards] -> filter (\card -> elem card w) cards) games 
+  let points = map calcPoints wins
+
+  print (sum points)
+
diff --git a/2023/day04/Main2.hs b/2023/day04/Main2.hs
new file mode 100644
index 0000000..7b883e8
--- /dev/null
+++ b/2023/day04/Main2.hs
@@ -0,0 +1,26 @@
+import Data.List.Split (splitOn)
+
+getGame :: String -> String
+getGame s = tail $ dropWhile (/= ':') s
+
+splitGame :: String -> [[String]]
+splitGame s = map (\x -> filter (/= "") (splitOn [' '] x)) (splitOn ['|'] s)
+
+calcPoints :: [(Int, Int)] -> (Int, [(Int, Int)]) -> (Int, [(Int, Int)])
+calcPoints dict (num_cards, []) = (num_cards, [])
+calcPoints dict (num_cards, this) = 
+  let new_wins = map (\(i, w) -> take w (drop i dict)) this 
+  in calcPoints dict (num_cards + length new_wins, concat new_wins)
+
+
+
+main :: IO ()
+main = do
+  inputLines <- lines <$> getContents
+  let games = map (\x -> splitGame (getGame x)) inputLines
+  let wins = zip [1..] (map (\[w, cards] -> length (filter (\card -> elem card w) cards)) games) :: [(Int, Int)]
+  -- let points = map calcPoints wins
+
+  print (calcPoints wins (0, wins))
+  -- print (wins)
+
diff --git a/2023/day04/example.txt b/2023/day04/example.txt
new file mode 100644
index 0000000..9bdb874
--- /dev/null
+++ b/2023/day04/example.txt
@@ -0,0 +1,6 @@
+Card 1: 41 48 83 86 17 | 83 86  6 31 17  9 48 53
+Card 2: 13 32 20 16 61 | 61 30 68 82 17 32 24 19
+Card 3:  1 21 53 59 44 | 69 82 63 72 16 21 14  1
+Card 4: 41 92 73 84 69 | 59 84 76 51 58  5 54 83
+Card 5: 87 83 26 28 32 | 88 30 70 12 93 22 82 36
+Card 6: 31 18 13 56 72 | 74 77 10 23 35 67 36 11
diff --git a/2023/day04/input.txt b/2023/day04/input.txt
new file mode 100644
index 0000000..da97dbb
--- /dev/null
+++ b/2023/day04/input.txt
@@ -0,0 +1,208 @@
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diff --git a/2023/day05/Main.hs b/2023/day05/Main.hs
new file mode 100644
index 0000000..e7c71e8
--- /dev/null
+++ b/2023/day05/Main.hs
@@ -0,0 +1,24 @@
+import Data.List.Split
+import Data.List
+
+toMapFn :: [(Int, Int)] -> Int -> Int
+toMapFn map seed  
+  | Just (d,s) <- find (\(drs, srs) -> srs == seed) map = d
+  | otherwise = seed
+
+main :: IO ()
+main = do
+  lines <- lines <$> getContents
+
+  let sections = splitOn [""] lines
+  let seeds = map read $ tail $ splitOn [' '] (sections!!0!!0) :: [Int]
+
+  let maps = map (\(_:xs) -> (map (\l -> map (\i -> (read i) :: Int) (splitOn [' '] l)) xs)) (tail sections)
+  let myMaps = map (\m -> concat (map (\[drs, srs, r] -> zip [drs..(drs+r)] [srs..(srs+r)]) m)) maps
+  let myMapFns = map (toMapFn) myMaps
+  let myFn = foldr (.) id (reverse myMapFns)
+
+  print (minimum (map myFn seeds))
+
+  -- mapM_ putStrLn lines
+
diff --git a/2023/day05/Main2.hs b/2023/day05/Main2.hs
new file mode 100644
index 0000000..3a57caa
--- /dev/null
+++ b/2023/day05/Main2.hs
@@ -0,0 +1,52 @@
+import Data.List.Split
+import Data.List
+import Data.Maybe
+
+windows :: [a] -> [[a]]
+windows = filter (\xs -> length xs == 2) . map (take 2) . tails
+
+genBetweens :: [[Int]] -> [[Int]]
+genBetweens section = map (\[[dl, sl, rl], [du, su, ru]] -> [sl + rl, sl + rl, su + ru - sl]) (windows section)
+
+-- 79 14
+--
+-- 50 98 2
+-- 52 50 48
+sectionToRange :: [Int] -> [Int] -> [Int]
+sectionToRange [d,s,r] [start,range] 
+  | begin <= s + r - 1 && end >= s = [d + (begin - s), end - begin + 1]
+  | otherwise = [start, range]
+  where 
+    begin = max start s
+    end = min (start+range -1) (s+r-1)
+
+toMapFn :: [[Int]] -> [[Int]] -> [[Int]]
+toMapFn section seedPairs = nub $ filter (/= []) $ concat $ map (\f -> (map (f) seedPairs)) (map (sectionToRange) section) 
+
+main :: IO ()
+main = do
+  lines <- lines <$> getContents
+
+  let sections = splitOn [""] lines
+  let seeds = map read $ tail $ splitOn [' '] (sections!!0!!0) :: [Int]
+  let seedPairs = chunksOf 2 seeds
+
+  let maps = map (\(_:xs) -> (map (\l -> map (\i -> (read i) :: Int) (splitOn [' '] l)) xs)) (tail sections)
+  let mapsBetweens = map (\x -> [0, 0, (x!!0!!2 -1)] ++ mapBetweens map ++ maps ++ [(last x)!!1 + (last x)!!2, (last x)!!1 + (last x)!!2, (maxBound :: Int) - (last x)!!1 + (last x)!!2] ) maps
+  let myMapFns = map (toMapFn) maps
+  let myFn = foldr (.) id (reverse myMapFns)
+
+  let seedRanges = concat $ map (\seedPair -> myFn [seedPair]) seedPairs
+
+  print ((myMapFns!!0) [seedPairs!!0])
+  -- print ((myMapFns!!1) ((myMapFns!!0) [seedPairs!!0]))
+  -- print ((myFn) [seedPairs!!0])
+  -- print ((map (head) ((myFn) [seedPairs!!0])))
+  -- print ((map (head) ((myFn) [seedPairs!!0])))
+  -- print seedRanges
+  -- print ((map (\[start, range] -> start) seedRanges))
+  -- print (minimum (map (\[start, range] -> start) seedRanges))
+
+
+  -- mapM_ putStrLn lines
+
diff --git a/2023/day05/MainOpt.hs b/2023/day05/MainOpt.hs
new file mode 100644
index 0000000..9b883e6
--- /dev/null
+++ b/2023/day05/MainOpt.hs
@@ -0,0 +1,23 @@
+import Data.List.Split
+import Data.List
+
+toMapFn :: [[Int]] -> Int -> Int
+toMapFn map seed  
+  | Just [d,s, r] <- find (\[drs, srs, r] -> (srs <= seed) && (seed <= srs + r)) map = d + (seed - s)
+  | otherwise = seed
+
+main :: IO ()
+main = do
+  lines <- lines <$> getContents
+
+  let sections = splitOn [""] lines
+  let seeds = map read $ tail $ splitOn [' '] (sections!!0!!0) :: [Int]
+
+  let maps = map (\(_:xs) -> (map (\l -> map (\i -> (read i) :: Int) (splitOn [' '] l)) xs)) (tail sections)
+  let myMapFns = map (toMapFn) maps
+  let myFn = foldr (.) id (reverse myMapFns)
+
+  print (minimum (map myFn seeds))
+
+  -- mapM_ putStrLn lines
+
diff --git a/2023/day05/example.txt b/2023/day05/example.txt
new file mode 100644
index 0000000..f756727
--- /dev/null
+++ b/2023/day05/example.txt
@@ -0,0 +1,33 @@
+seeds: 79 14 55 13
+
+seed-to-soil map:
+50 98 2
+52 50 48
+
+soil-to-fertilizer map:
+0 15 37
+37 52 2
+39 0 15
+
+fertilizer-to-water map:
+49 53 8
+0 11 42
+42 0 7
+57 7 4
+
+water-to-light map:
+88 18 7
+18 25 70
+
+light-to-temperature map:
+45 77 23
+81 45 19
+68 64 13
+
+temperature-to-humidity map:
+0 69 1
+1 0 69
+
+humidity-to-location map:
+60 56 37
+56 93 4
diff --git a/2023/day05/input.txt b/2023/day05/input.txt
new file mode 100644
index 0000000..2fb1f85
--- /dev/null
+++ b/2023/day05/input.txt
@@ -0,0 +1,197 @@
+seeds: 3082872446 316680412 2769223903 74043323 4131958457 99539464 109726392 353536902 619902767 648714498 3762874676 148318192 1545670780 343889780 4259893555 6139816 3980757676 20172062 2199623551 196958359
+
+seed-to-soil map:
+2211745924 1281207339 39747980
+3648083739 2564129012 145170114
+4171944574 2333022880 44675857
+540694760 848661020 78793182
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+2610916913 3714929319 36129924
+3436284910 3503130490 211798829
+4106578495 2787645991 65366079
+
+soil-to-fertilizer map:
+2733576308 471599794 76965554
+1171423854 1329782324 37554133
+2640052871 928987130 93523437
+2015828352 548565348 204028986
+3562821857 3651707516 643259780
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+778871551 2204324824 392552303
+1221553359 2609452499 201089363
+3520687457 3069361301 42134400
+4240454288 3542205804 54513008
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+307271757 0 471599794
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+3465698753 3596718812 54988704
+0 1022510567 307271757
+1544573800 1787531990 294861756
+4206081637 3034988650 34372651
+1839435556 752594334 176392796
+
+fertilizer-to-water map:
+1807260819 3957534991 337432305
+774926879 2718324291 701236360
+2351569884 1690420176 794087185
+313174888 2484507361 233816930
+3145657069 541109949 949949029
+546991818 313174888 227935061
+2144693124 3750658231 206876760
+4095606098 1491058978 199361198
+1476163239 3419560651 331097580
+
+water-to-light map:
+3834982820 3688486185 202897824
+2016707141 372287565 116618935
+3386838019 3412408553 81116937
+1125723906 705568567 205087174
+4037880644 1840142480 150018623
+2359176858 4109550629 126312910
+3328178239 4050890849 58659780
+1801115923 3893484758 43944958
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+3501845456 488906500 216662067
+1373868013 2223115169 142134976
+3467954956 3641943956 33890500
+1845060881 3937429716 113461133
+3718507523 910655741 57371540
+3315526510 3675834456 12651729
+2936874590 2031117287 84929853
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+372287565 2365250145 753436341
+2133326076 968027281 225850782
+1330811080 1990161103 40956184
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+2485489768 1193878063 451384822
+3775879063 4235863539 59103757
+1371767264 3891384009 2100749
+4187899267 2116047140 107068029
+
+light-to-temperature map:
+156743496 2059819668 37694357
+4058204935 4136802755 38991573
+2484168315 1803830764 54458297
+2053264847 2531370441 7735546
+586814267 2539105987 96956250
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+temperature-to-humidity map:
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+humidity-to-location map:
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diff --git a/2023/day06/Main.hs b/2023/day06/Main.hs
new file mode 100644
index 0000000..c7976b0
--- /dev/null
+++ b/2023/day06/Main.hs
@@ -0,0 +1,18 @@
+import Data.List.Split (splitOn)
+
+winsFromTimeDist :: (Int, Int) -> Int
+winsFromTimeDist (time, dist) = length $ filter (> dist) $ zipWith (*) [0..time] (reverse [0..time])
+
+main :: IO ()
+main = do
+  lines <- lines <$> getContents
+
+  -- let values = map (map (\y -> read y :: Int) . splitOn [' '] . drop 9) lines
+  let values = map (map read . filter (/= "") . splitOn [' '] . drop 9) lines :: [[Int]]
+  let time_dist = zip (values!!0) (values!!1)
+  let wins = map winsFromTimeDist time_dist
+  let result = product wins
+
+  print result
+
+
diff --git a/2023/day06/Main2.hs b/2023/day06/Main2.hs
new file mode 100644
index 0000000..ca975dd
--- /dev/null
+++ b/2023/day06/Main2.hs
@@ -0,0 +1,16 @@
+import Data.List.Split (splitOn)
+
+winsFromTimeDist :: (Int, Int) -> Int
+winsFromTimeDist (time, dist) = length $ filter (> dist) $ zipWith (*) [0..time] (reverse [0..time])
+
+main :: IO ()
+main = do
+  lines <- lines <$> getContents
+
+  -- let values = map (map (\y -> read y :: Int) . splitOn [' '] . drop 9) lines
+  let values = map (read . filter (/= ' ') .  drop 9) lines :: [Int]
+  let wins = winsFromTimeDist (values!!0, values!!1)
+
+  print wins
+
+
diff --git a/2023/day06/example.txt b/2023/day06/example.txt
new file mode 100644
index 0000000..28f5ae9
--- /dev/null
+++ b/2023/day06/example.txt
@@ -0,0 +1,2 @@
+Time:      7  15   30
+Distance:  9  40  200
diff --git a/2023/day06/input.txt b/2023/day06/input.txt
new file mode 100644
index 0000000..bb5cfbc
--- /dev/null
+++ b/2023/day06/input.txt
@@ -0,0 +1,2 @@
+Time:        38     94     79     70
+Distance:   241   1549   1074   1091