Add day 5

5.hs

@@ -0,0 +1,41 @@
+{-# LANGUAGE ScopedTypeVariables #-}
+import Data.Char
+import Data.List.Split
+import Data.List
+import Data.Maybe
+
+main = do
+    ls <- readFile "5.in"
+    putStrLn . show . solve . parse $ ls where
+        solve (ss, ms) = map head . applyMovesA (map (map ((+)(-1))) ms) . map (filter (/=' ')) $ buildStacks ss where
+        --solveB (ss, ms) = map head . applyMovesB (map (map ((+)(-1))) ms) . map (filter (/=' ')) $ buildStacks ss
+            size = length $ ss !! 0
+            buildStacks :: [[Char]] -> [[Char]]
+            buildStacks (x: xs) = zipWith (:) x (buildStacks xs)
+            buildStacks [] = replicate size []
+
+
+        parse = parseStacksAndMoves . take 2 . map lines . splitOn "\n\n" where
+            parseStacksAndMoves [ss, ms] = (filter ((/='1') . (!!0) ) $ parseStacks ss, parseMoves ms)
+            parseStacks = map split3 where
+                split3 (a:b:c:[]) = b : []
+                split3 (a:b:c:' ':xs) = b : (split3 xs)
+                split3 (_) = []
+            parseMoves = map (map parseInt . getNums . words) where
+                getNums x = [x !! 1, x !! 3, x !! 5]
+                parseInt = read :: String -> Int
+
+applyMovesA moves stacks = foldl applyMove stacks moves where
+    applyMove stacks [count, from, to] = iterate (moveOne from to) stacks !! (count + 1)
+    moveOne from to stack = moveMany 0 from to stack
+
+applyMovesB moves stacks = foldl applyMove stacks moves where
+    applyMove stacks [count, from, to] = moveMany count from to stacks
+
+moveMany count from to stack = updateStack from to stack where
+    newItems = take (count +1) $ (stack !! from)
+    updateStack :: Int -> Int -> [[Char]] -> [[Char]]
+    updateStack from to (x:xs) | from == 0 = (iterate tail x !! (count + 1)) : (updateStack (from - 1) (to - 1) xs)
+    updateStack from to (x:xs) | to    == 0= (newItems ++ x) : (updateStack (from - 1) (to - 1) xs)
+    updateStack from to (x:xs)             = x : (updateStack (from - 1) (to - 1) xs)
+    updateStack from to [] = []

5.in

@@ -0,0 +1,511 @@
+            [C]         [N] [R]    
+[J] [T]     [H]         [P] [L]    
+[F] [S] [T] [B]         [M] [D]    
+[C] [L] [J] [Z] [S]     [L] [B]    
+[N] [Q] [G] [J] [J]     [F] [F] [R]
+[D] [V] [B] [L] [B] [Q] [D] [M] [T]
+[B] [Z] [Z] [T] [V] [S] [V] [S] [D]
+[W] [P] [P] [D] [G] [P] [B] [P] [V]
+ 1   2   3   4   5   6   7   8   9 
+
+move 4 from 9 to 6
+move 7 from 2 to 5
+move 3 from 5 to 2
+move 2 from 2 to 1
+move 2 from 8 to 4
+move 1 from 6 to 9
+move 1 from 9 to 4
+move 7 from 1 to 2
+move 5 from 2 to 3
+move 5 from 7 to 4
+move 5 from 6 to 3
+move 1 from 7 to 6
+move 2 from 6 to 9
+move 3 from 2 to 4
+move 4 from 5 to 6
+move 2 from 7 to 3
+move 2 from 9 to 3
+move 1 from 5 to 2
+move 11 from 4 to 3
+move 1 from 2 to 9
+move 1 from 9 to 3
+move 2 from 1 to 6
+move 5 from 8 to 5
+move 7 from 5 to 4
+move 2 from 5 to 6
+move 6 from 6 to 4
+move 17 from 3 to 4
+move 1 from 8 to 3
+move 11 from 4 to 7
+move 1 from 6 to 4
+move 3 from 4 to 2
+move 2 from 2 to 6
+move 8 from 3 to 1
+move 8 from 3 to 9
+move 3 from 9 to 6
+move 3 from 1 to 3
+move 11 from 7 to 5
+move 1 from 6 to 4
+move 4 from 9 to 6
+move 3 from 1 to 4
+move 1 from 2 to 3
+move 1 from 6 to 9
+move 24 from 4 to 9
+move 2 from 6 to 5
+move 1 from 1 to 2
+move 1 from 1 to 3
+move 12 from 9 to 6
+move 5 from 4 to 2
+move 4 from 2 to 3
+move 5 from 6 to 3
+move 13 from 6 to 7
+move 1 from 5 to 6
+move 9 from 5 to 3
+move 4 from 7 to 5
+move 1 from 6 to 1
+move 3 from 5 to 1
+move 14 from 9 to 4
+move 2 from 7 to 9
+move 13 from 4 to 9
+move 1 from 4 to 7
+move 4 from 7 to 9
+move 3 from 5 to 1
+move 8 from 3 to 9
+move 4 from 1 to 4
+move 8 from 3 to 7
+move 3 from 7 to 6
+move 4 from 4 to 2
+move 3 from 1 to 9
+move 6 from 2 to 6
+move 3 from 3 to 1
+move 7 from 9 to 7
+move 2 from 6 to 5
+move 1 from 5 to 3
+move 3 from 7 to 5
+move 5 from 7 to 4
+move 2 from 1 to 4
+move 5 from 5 to 9
+move 6 from 4 to 1
+move 6 from 7 to 8
+move 22 from 9 to 3
+move 7 from 1 to 8
+move 4 from 9 to 6
+move 1 from 4 to 5
+move 8 from 6 to 4
+move 7 from 8 to 1
+move 1 from 6 to 4
+move 1 from 9 to 4
+move 1 from 1 to 2
+move 1 from 2 to 5
+move 1 from 9 to 8
+move 11 from 3 to 7
+move 1 from 6 to 2
+move 2 from 1 to 5
+move 1 from 8 to 2
+move 1 from 7 to 8
+move 4 from 5 to 7
+move 1 from 6 to 9
+move 6 from 3 to 1
+move 6 from 3 to 1
+move 15 from 7 to 5
+move 1 from 3 to 1
+move 1 from 3 to 6
+move 1 from 6 to 8
+move 14 from 5 to 1
+move 16 from 1 to 3
+move 2 from 8 to 9
+move 1 from 7 to 4
+move 3 from 9 to 8
+move 3 from 8 to 7
+move 2 from 3 to 5
+move 1 from 7 to 1
+move 6 from 8 to 5
+move 2 from 2 to 9
+move 1 from 7 to 2
+move 2 from 9 to 2
+move 5 from 4 to 7
+move 3 from 2 to 7
+move 14 from 1 to 5
+move 2 from 4 to 7
+move 8 from 7 to 6
+move 1 from 1 to 5
+move 1 from 7 to 4
+move 1 from 7 to 5
+move 1 from 1 to 8
+move 12 from 3 to 4
+move 1 from 8 to 7
+move 3 from 4 to 1
+move 1 from 6 to 2
+move 8 from 5 to 2
+move 1 from 7 to 6
+move 1 from 1 to 7
+move 6 from 6 to 2
+move 1 from 1 to 2
+move 14 from 5 to 7
+move 1 from 6 to 4
+move 4 from 4 to 7
+move 1 from 1 to 6
+move 1 from 5 to 6
+move 2 from 3 to 1
+move 14 from 7 to 5
+move 10 from 4 to 7
+move 1 from 1 to 9
+move 1 from 5 to 9
+move 11 from 5 to 1
+move 6 from 7 to 6
+move 1 from 4 to 6
+move 1 from 3 to 7
+move 2 from 1 to 5
+move 13 from 2 to 1
+move 10 from 6 to 7
+move 4 from 5 to 2
+move 1 from 9 to 1
+move 1 from 3 to 6
+move 2 from 5 to 2
+move 1 from 9 to 3
+move 1 from 3 to 1
+move 21 from 7 to 5
+move 1 from 6 to 4
+move 4 from 5 to 1
+move 1 from 4 to 1
+move 6 from 2 to 3
+move 1 from 3 to 6
+move 1 from 3 to 8
+move 1 from 8 to 7
+move 1 from 7 to 3
+move 9 from 5 to 3
+move 24 from 1 to 4
+move 1 from 3 to 7
+move 11 from 3 to 8
+move 1 from 7 to 3
+move 1 from 2 to 4
+move 2 from 2 to 1
+move 2 from 3 to 5
+move 1 from 6 to 5
+move 10 from 4 to 6
+move 2 from 6 to 4
+move 5 from 1 to 2
+move 1 from 6 to 7
+move 8 from 8 to 6
+move 4 from 2 to 7
+move 8 from 6 to 7
+move 1 from 2 to 8
+move 1 from 8 to 3
+move 1 from 7 to 4
+move 3 from 4 to 1
+move 2 from 6 to 7
+move 4 from 1 to 9
+move 3 from 6 to 7
+move 10 from 7 to 4
+move 2 from 3 to 9
+move 2 from 6 to 9
+move 2 from 1 to 8
+move 2 from 9 to 5
+move 4 from 5 to 6
+move 3 from 8 to 1
+move 4 from 4 to 8
+move 5 from 8 to 4
+move 1 from 8 to 2
+move 5 from 5 to 9
+move 1 from 6 to 1
+move 2 from 1 to 7
+move 22 from 4 to 8
+move 4 from 8 to 7
+move 2 from 6 to 7
+move 1 from 2 to 6
+move 16 from 8 to 9
+move 3 from 7 to 4
+move 1 from 5 to 9
+move 2 from 6 to 7
+move 1 from 8 to 2
+move 1 from 2 to 3
+move 24 from 9 to 3
+move 1 from 1 to 7
+move 3 from 5 to 1
+move 4 from 4 to 6
+move 15 from 3 to 6
+move 18 from 6 to 2
+move 3 from 3 to 2
+move 4 from 1 to 6
+move 4 from 7 to 3
+move 1 from 3 to 9
+move 4 from 2 to 1
+move 1 from 8 to 7
+move 3 from 9 to 6
+move 1 from 9 to 3
+move 4 from 7 to 3
+move 2 from 4 to 2
+move 1 from 1 to 2
+move 7 from 3 to 5
+move 8 from 6 to 1
+move 1 from 9 to 2
+move 3 from 7 to 5
+move 1 from 4 to 8
+move 3 from 1 to 7
+move 5 from 7 to 6
+move 3 from 5 to 2
+move 3 from 7 to 3
+move 5 from 5 to 9
+move 5 from 3 to 6
+move 1 from 8 to 3
+move 5 from 9 to 7
+move 7 from 2 to 4
+move 11 from 2 to 7
+move 7 from 1 to 6
+move 1 from 1 to 9
+move 5 from 3 to 6
+move 5 from 2 to 1
+move 1 from 3 to 9
+move 1 from 3 to 7
+move 6 from 6 to 2
+move 10 from 6 to 7
+move 5 from 6 to 7
+move 28 from 7 to 8
+move 2 from 9 to 1
+move 1 from 6 to 3
+move 4 from 7 to 5
+move 1 from 3 to 6
+move 7 from 2 to 7
+move 6 from 7 to 3
+move 1 from 5 to 9
+move 1 from 6 to 2
+move 1 from 7 to 3
+move 1 from 9 to 1
+move 4 from 5 to 2
+move 5 from 3 to 5
+move 2 from 2 to 8
+move 4 from 4 to 7
+move 1 from 4 to 7
+move 2 from 3 to 6
+move 5 from 7 to 1
+move 2 from 5 to 8
+move 2 from 5 to 8
+move 2 from 5 to 3
+move 2 from 3 to 1
+move 2 from 6 to 7
+move 31 from 8 to 3
+move 2 from 8 to 5
+move 2 from 7 to 4
+move 7 from 1 to 4
+move 2 from 5 to 1
+move 3 from 2 to 8
+move 2 from 4 to 6
+move 3 from 1 to 2
+move 6 from 4 to 8
+move 1 from 1 to 8
+move 1 from 6 to 5
+move 11 from 8 to 9
+move 1 from 6 to 8
+move 1 from 4 to 1
+move 1 from 8 to 7
+move 1 from 5 to 8
+move 3 from 2 to 1
+move 2 from 4 to 3
+move 1 from 8 to 1
+move 7 from 3 to 6
+move 12 from 3 to 2
+move 1 from 7 to 9
+move 4 from 6 to 1
+move 1 from 6 to 3
+move 12 from 9 to 3
+move 1 from 6 to 4
+move 1 from 1 to 7
+move 1 from 4 to 1
+move 1 from 7 to 2
+move 1 from 6 to 5
+move 1 from 5 to 6
+move 5 from 3 to 1
+move 1 from 6 to 4
+move 7 from 2 to 1
+move 3 from 2 to 6
+move 1 from 4 to 5
+move 3 from 3 to 2
+move 4 from 2 to 8
+move 1 from 6 to 4
+move 1 from 4 to 9
+move 1 from 5 to 1
+move 11 from 1 to 5
+move 10 from 1 to 8
+move 2 from 6 to 4
+move 1 from 2 to 9
+move 1 from 2 to 4
+move 18 from 3 to 5
+move 4 from 1 to 4
+move 3 from 1 to 2
+move 14 from 8 to 5
+move 2 from 2 to 6
+move 1 from 3 to 2
+move 2 from 2 to 7
+move 3 from 4 to 1
+move 2 from 4 to 3
+move 2 from 3 to 4
+move 2 from 6 to 9
+move 1 from 7 to 1
+move 3 from 1 to 4
+move 4 from 9 to 7
+move 31 from 5 to 2
+move 25 from 2 to 4
+move 13 from 4 to 2
+move 10 from 2 to 3
+move 2 from 5 to 7
+move 5 from 2 to 9
+move 7 from 5 to 7
+move 5 from 7 to 4
+move 1 from 5 to 8
+move 2 from 7 to 3
+move 11 from 4 to 8
+move 1 from 7 to 3
+move 1 from 1 to 4
+move 2 from 5 to 3
+move 3 from 2 to 9
+move 8 from 9 to 6
+move 10 from 8 to 2
+move 5 from 3 to 2
+move 1 from 7 to 3
+move 3 from 7 to 3
+move 15 from 2 to 1
+move 11 from 1 to 3
+move 1 from 8 to 2
+move 8 from 6 to 5
+move 1 from 2 to 6
+move 1 from 6 to 1
+move 12 from 3 to 7
+move 1 from 2 to 9
+move 2 from 4 to 1
+move 3 from 1 to 8
+move 1 from 8 to 7
+move 3 from 3 to 4
+move 1 from 4 to 7
+move 15 from 7 to 9
+move 1 from 7 to 5
+move 4 from 1 to 8
+move 6 from 8 to 6
+move 1 from 6 to 2
+move 5 from 5 to 1
+move 2 from 6 to 8
+move 1 from 2 to 7
+move 1 from 8 to 2
+move 1 from 7 to 1
+move 1 from 5 to 8
+move 6 from 3 to 1
+move 4 from 3 to 8
+move 7 from 8 to 5
+move 1 from 2 to 4
+move 2 from 4 to 2
+move 3 from 6 to 4
+move 5 from 9 to 3
+move 4 from 1 to 4
+move 10 from 5 to 9
+move 8 from 1 to 7
+move 1 from 2 to 1
+move 1 from 1 to 9
+move 20 from 9 to 2
+move 12 from 2 to 3
+move 17 from 4 to 3
+move 6 from 7 to 2
+move 5 from 3 to 8
+move 20 from 3 to 5
+move 2 from 9 to 4
+move 3 from 3 to 1
+move 1 from 7 to 1
+move 6 from 3 to 6
+move 4 from 2 to 3
+move 4 from 5 to 3
+move 1 from 1 to 9
+move 6 from 6 to 1
+move 3 from 8 to 4
+move 1 from 9 to 8
+move 2 from 2 to 1
+move 3 from 3 to 2
+move 1 from 3 to 6
+move 1 from 7 to 4
+move 3 from 3 to 6
+move 6 from 1 to 5
+move 9 from 2 to 4
+move 3 from 2 to 5
+move 2 from 6 to 5
+move 16 from 4 to 8
+move 18 from 8 to 6
+move 1 from 4 to 5
+move 2 from 6 to 7
+move 4 from 1 to 7
+move 22 from 5 to 6
+move 1 from 4 to 9
+move 4 from 7 to 6
+move 11 from 6 to 5
+move 9 from 5 to 2
+move 2 from 2 to 3
+move 2 from 7 to 2
+move 1 from 1 to 7
+move 9 from 6 to 2
+move 1 from 5 to 1
+move 1 from 8 to 9
+move 18 from 6 to 8
+move 1 from 7 to 4
+move 4 from 5 to 1
+move 2 from 5 to 2
+move 2 from 2 to 5
+move 1 from 9 to 5
+move 1 from 5 to 9
+move 1 from 9 to 1
+move 1 from 9 to 2
+move 1 from 4 to 8
+move 4 from 1 to 4
+move 2 from 6 to 5
+move 1 from 1 to 9
+move 3 from 6 to 7
+move 1 from 6 to 9
+move 1 from 9 to 8
+move 2 from 5 to 9
+move 3 from 3 to 5
+move 7 from 2 to 3
+move 1 from 1 to 3
+move 2 from 5 to 9
+move 1 from 5 to 7
+move 10 from 8 to 3
+move 10 from 8 to 9
+move 3 from 4 to 3
+move 9 from 2 to 1
+move 4 from 9 to 6
+move 5 from 1 to 9
+move 2 from 5 to 9
+move 1 from 6 to 4
+move 4 from 7 to 2
+move 7 from 2 to 9
+move 3 from 6 to 8
+move 1 from 1 to 3
+move 2 from 8 to 5
+move 1 from 8 to 1
+move 18 from 3 to 6
+move 15 from 9 to 2
+move 8 from 9 to 1
+move 2 from 9 to 2
+move 2 from 4 to 9
+move 2 from 9 to 7
+move 12 from 6 to 3
+move 7 from 1 to 7
+move 12 from 2 to 5
+move 7 from 3 to 2
+move 4 from 3 to 4
+move 2 from 7 to 6
+move 7 from 7 to 8
+move 1 from 4 to 2
+move 4 from 1 to 8
+move 5 from 3 to 1
+move 9 from 8 to 3
+move 1 from 8 to 7
+move 2 from 1 to 2
+move 4 from 6 to 7
+move 11 from 2 to 5
+move 2 from 4 to 6
+move 1 from 8 to 2
+move 7 from 3 to 2
+move 1 from 2 to 4
+move 4 from 6 to 1
+move 7 from 5 to 8
+move 2 from 3 to 1
+move 7 from 2 to 3
+move 6 from 5 to 1
+move 1 from 4 to 2
+move 8 from 1 to 6
+move 3 from 2 to 9

5.test

@@ -0,0 +1,10 @@
+    [D]    
+[N] [C]    
+[Z] [M] [P]
+ 1   2   3 
+
+move 1 from 2 to 1
+move 3 from 1 to 3
+move 2 from 2 to 1
+move 1 from 1 to 2
+