Day15: Part1 works
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import Data.List.Split
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import Data.Char as Char
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import Data.List as List
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import Data.Either as Either
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import Debug.Trace as Trace
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main = do
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software <- getList <$> getContents
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let brain = Amplifier software 0 0 [] [0]
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let robot = Robot brain [] (0,0) 1
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let resultRobots = (runRobot robot )
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let winRobots = filter(\(Robot br pts pos dir) -> elem 2 (map(\(p,c) -> c) pts))resultRobots
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let winRobotsLength = map(\(Robot br pts pos dir) -> length (filter(\(p,c) -> c == 1)pts))winRobots
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putStrLn(show winRobotsLength)
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putStrLn ("ELL")
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data Amplifier = Amplifier{ state :: [Int]
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,index :: Int
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,base :: Int
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,input :: [Int]
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,output :: [Int]
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} deriving Show
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data Robot = Robot{ brain:: Amplifier
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,points:: [((Int,Int),Int)]
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,position:: (Int,Int)
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,direction :: Int
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} deriving Show
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getBrain :: Robot -> Amplifier
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getBrain (Robot brain points poisition direction) = brain
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createMap ::[((Int,Int),Int)]-> [Int] -> [[Int]] -> [[Int]]
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createMap points (y:ys) output
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|length ys > 0 = do
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let fPoints = filter(\((a,b),c) -> b ==y ) points
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let row = foldl createRow [] fPoints
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let newoutput = output ++ [(row)]
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createMap points ys newoutput
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|otherwise = output
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createRow :: [Int] -> ((Int,Int),Int) -> [Int]
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createRow row ((a,b),c) = Main.insert row c a
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runRobot :: Robot -> [Robot]
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runRobot robot
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| (length move) == 0 = [robot]
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| (length move) == 1 = do
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let newRobot = stepRobot robot $ move!!0
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runRobot newRobot
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| otherwise = do
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let newRobots = map(\mv -> stepRobot robot mv) move
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foldl (++) [] $ map(\robot -> runRobot robot) newRobots
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where move = getNextMove robot
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stepRobot :: Robot -> Int -> Robot
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stepRobot (Robot brain points position direction) newDirection = do
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let newBrain = step brain [newDirection]
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let statusResponse = head(output newBrain)
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let newPos = move position newDirection
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let newPoints = (points) ++ [(newPos,statusResponse)]
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if statusResponse == 0 || statusResponse == 2
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then Robot newBrain newPoints position newDirection
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else Robot newBrain newPoints newPos newDirection
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move :: (Int,Int) -> Int -> (Int,Int)
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move (x,y) direction
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| direction == 1 = (x,y+1)
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| direction == 4 = (x+1,y)
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| direction == 2 = (x,y-1)
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| direction == 3 = (x-1,y)
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getNextMove :: Robot -> [Int]
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getNextMove (Robot brain points position direction)
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|length points == 300 = []
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|length points > 0 && (snd $ last points) == 2 = []
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|otherwise = do
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filterMoves (Robot brain points position direction) [1,2,3,4]
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filterMoves :: Robot -> [Int] -> [Int]
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filterMoves robot moves = filter(\x -> checkVisit robot x && checkWall robot x) moves
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checkVisit :: Robot -> Int -> Bool
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checkVisit (Robot brain points position direction) mv = do
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let newPos = move position mv
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let visits = map(\(pos,c) -> pos) points
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notElem newPos visits
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checkWall :: Robot -> Int -> Bool
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checkWall (Robot brain points position direction) mv = do
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let mvResult = head $ output (step brain [mv])
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mvResult /= 0
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getList :: String -> [Int]
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getList = map Prelude.read . splitOn ","
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step :: Amplifier -> [Int] -> Amplifier
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step amp input = operation (drop (index amp) (state amp)) (state amp) (index amp) (base amp) input []
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operation :: [Int] -> [Int] -> Int -> Int -> [Int] -> [Int] -> Amplifier
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operation (99:_) state i base input output =
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Amplifier state i base input []
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operation (op:xs) state i base input output
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| last (digits op) == 1 = do
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let newindex = i + 4
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let newstate = add (fillup (revertdigs op) 5) (xs!!0) (xs!!1) (xs!!2) base state
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operation ((drop newindex newstate)) (newstate) newindex base input output
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| last (digits op) == 2 = do
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let newindex = i + 4
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let newstate = mult (fillup (revertdigs op) 5) (xs!!0) (xs!!1) (xs!!2) base state
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operation ((drop newindex newstate)) (newstate) newindex base input output
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| last (digits op) == 3 = do
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if (length input) == 0
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then (Amplifier state i base input output)
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else do
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let newindex = i + 2
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let newstate = put (fillup (revertdigs op) 3) (xs!!0) (head input) base state
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let newinput = drop 1 input
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operation (drop newindex newstate) (newstate) newindex base newinput output
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| last (digits op) == 4 = do
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let newindex = i + 2
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let newoutput = out (fillup (revertdigs op) 3) output (xs!!0) base state
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let newinput = drop 1 input
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operation ((drop newindex state)) (state) newindex base input (newoutput)
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| (last (digits op) == 5 ) = do
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let newindex = jumpif (fillup (revertdigs op) 4) (xs!!0) (xs!!1) i base state
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operation ((drop newindex state)) (state) newindex base input output
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| (last (digits op) == 6 ) = do
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let newindex = jumpifnot (fillup (revertdigs op) 4) (xs!!0) (xs!!1) i base state
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operation ((drop newindex state)) (state) newindex base input output
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| (last (digits op) == 7 ) = do
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let newindex = i + 4
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let newstate = lessthan (fillup (revertdigs op) 5) (xs!!0) (xs!!1) (xs!!2) base state
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operation ((drop newindex newstate)) (newstate) newindex base input output
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| (last (digits op) == 8 ) = do
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let newindex = i + 4
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let newstate = equal (fillup (revertdigs op) 5) (xs!!0) (xs!!1) (xs!!2) base state
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operation ((drop newindex newstate)) (newstate) newindex base input output
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| (last (digits op) == 9 ) = do
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let newindex = i + 2
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let fullop = (fillup (revertdigs op) 3)
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let newbase = base + (getValue (fullop!!2) (xs!!0) base state)
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(operation ((drop newindex state)) (state) newindex newbase input output)
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add :: [Int] -> Int -> Int -> Int -> Int -> [Int] -> [Int]
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add (op1:op2:m1:m2:m3:_) p1 p2 p3 base state =
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Main.insert state sum (getIndex m3 p3 base)
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where
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sum = (getValue m1 p1 base state) + (getValue m2 p2 base state)
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mult :: [Int] -> Int -> Int -> Int -> Int -> [Int] -> [Int]
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mult (op1:op2:m1:m2:m3:_) p1 p2 p3 base state =
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Main.insert state sum (getIndex m3 p3 base)
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where
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sum = (getValue m1 p1 base state) * (getValue m2 p2 base state)
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put :: [Int] -> Int -> Int -> Int -> [Int] -> [Int]
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put(op1:op2:m1:_) p1 input base state =
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Main.insert state input (getIndex m1 p1 base)
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out :: [Int] -> [Int] -> Int -> Int -> [Int] -> [Int]
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out (op1:op2:m1:_) output p1 base state =
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output ++ [(getValue m1 p1 base state)]
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jumpif :: [Int] -> Int -> Int -> Int -> Int -> [Int] -> Int
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jumpif (op1:op2:m1:m2:_) p1 p2 index base state
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| (getValue m1 p1 base state) /= 0 = getValue m2 p2 base state
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| otherwise = index + 3
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jumpifnot :: [Int] -> Int -> Int -> Int -> Int -> [Int] -> Int
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jumpifnot (op1:op2:m1:m2:_) p1 p2 index base state
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| (getValue m1 p1 base state) == 0 = getValue m2 p2 base state
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| otherwise = index + 3
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lessthan :: [Int] -> Int -> Int -> Int -> Int -> [Int] -> [Int]
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lessthan (op1:op2:m1:m2:m3:_) p1 p2 p3 base state
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| (getValue m1 p1 base state) < (getValue m2 p2 base state) =
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Main.insert state 1 (getIndex m3 p3 base)
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| otherwise = Main.insert state 0 (getIndex m3 p3 base)
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equal :: [Int] -> Int -> Int -> Int -> Int -> [Int] -> [Int]
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equal (op1:op2:m1:m2:m3:_) p1 p2 p3 base state
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| (getValue m1 p1 base state ) == (getValue m2 p2 base state ) =
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Main.insert state 1 (getIndex m3 p3 base)
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| otherwise = Main.insert state 0 (getIndex m3 p3 base)
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insert :: [Int] -> Int -> Int -> [Int]
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insert xs value index
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| index < length xs = do
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let split = splitAt index xs
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(fst split)++ [value] ++ (drop 1 (snd split))
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| otherwise = do
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let longState = xs ++ (replicate (index - length xs) 0)
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let split = splitAt index longState
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(fst split)++ [value] ++ (drop 1 (snd split))
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read :: [Int] -> Int -> Int
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read xs index
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| index < length xs = xs!!index
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| otherwise = 0
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digits :: Int -> [Int]
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digits = map Char.digitToInt . show
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revertdigs :: Int -> [Int]
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revertdigs 0 = []
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revertdigs x = x `mod` 10 : revertdigs (x `div` 10)
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fillup :: [Int] -> Int -> [Int]
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fillup array x = array ++ (replicate (x - (length array)) 0)
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getValue :: Int -> Int -> Int -> [Int] -> Int
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getValue 0 p base array = Main.read array p
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getValue 1 p base array = p
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getValue 2 p base array = Main.read array (base + p)
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getIndex :: Int -> Int -> Int -> Int
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getIndex m p base
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| m == 0 = p
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| m == 2 = p + base
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