AoC2019/day13.hs
2019-12-13 15:34:20 +01:00

193 lines
7.7 KiB
Haskell

import Data.List.Split
import Data.Char as Char
import Data.List as List
import qualified Data.Map.Strict as M
import Linear.V2
import Control.Monad
main = do
software <- getList <$> getContents
let arcade = Amplifier software 0 0 [] []
let arcadeStep1 = step arcade []
let step1Result = parseOutput M.empty (output arcadeStep1)
let blocks =length $ M.filter(==2) step1Result
let result = runGame arcade M.empty
--let gameMap = createMap result [0..23] []
let score = M.filterWithKey(\(V2 a b) _ -> a == -1 ) result
--mapM putStrLn( map (map getSymbol) gameMap)
--putStrLn(show score)
putStrLn(show result)
putStrLn "Finished"
data Amplifier = Amplifier{ state :: [Int]
,index :: Int
,base :: Int
,input :: [Int]
,output :: [Int]
} deriving Show
runGame :: Amplifier -> M.Map (V2 Int) Int -> M.Map (V2 Int) Int
runGame arcade gameM= do
let newArcade = step arcade [0]
let tiles = ((parseOutput M.empty (output newArcade)))
let newGameM = M.union tiles gameM
let blocks = length $ M.filter(== 2) newGameM
if blocks == 0
then tiles
else runGame newArcade newGameM
parseOutput :: M.Map (V2 Int) Int -> [Int] -> M.Map (V2 Int) Int
parseOutput tiles (x:y:c:xs)
| length xs == 0 = M.insert (V2 x y) c tiles
| length xs > 0 = parseOutput newtiles xs
where newtiles = M.insert (V2 x y) c tiles
createMap :: M.Map (V2 Int) Int -> [Int] -> [[Int]] -> [[Int]]
createMap points (y:ys) output
|length ys > 0 = do
let fPoints = M.filterWithKey(\(V2 a b) _ -> b ==y ) points
let row = M.foldlWithKey createRow [] fPoints
let newoutput = output ++ [(row)]
createMap points ys newoutput
|otherwise = output
createRow :: [Int] -> V2 Int -> Int -> [Int]
createRow row (V2 a b) c = Main.insert row c a
getSymbol :: Int -> Char
getSymbol 0 = ' '
getSymbol 1 = '|'
getSymbol 2 = '#'
getSymbol 3 = '='
getSymbol 4 = '*'
getList :: String -> [Int]
getList = map Prelude.read . splitOn ","
step :: Amplifier -> [Int] -> Amplifier
step amp input = operation (drop (index amp) (state amp)) (state amp) (index amp) (base amp) input []
operation :: [Int] -> [Int] -> Int -> Int -> [Int] -> [Int] -> Amplifier
operation (99:_) state i base input output =
Amplifier state i base input output
operation (op:xs) state i base input output
| last (digits op) == 1 = do
let newindex = i + 4
let newstate = add (fillup (revertdigs op) 5) (xs!!0) (xs!!1) (xs!!2) base state
operation ((drop newindex newstate)) (newstate) newindex base input output
| last (digits op) == 2 = do
let newindex = i + 4
let newstate = mult (fillup (revertdigs op) 5) (xs!!0) (xs!!1) (xs!!2) base state
operation ((drop newindex newstate)) (newstate) newindex base input output
| last (digits op) == 3 = do
if (length input) == 0
then (Amplifier state i base input output)
else do
let newindex = i + 2
let newstate = put (fillup (revertdigs op) 3) (xs!!0) (head input) base state
let newinput = drop 1 input
operation (drop newindex newstate) (newstate) newindex base newinput output
| last (digits op) == 4 = do
let newindex = i + 2
let newoutput = out (fillup (revertdigs op) 3) output (xs!!0) base state
let newinput = drop 1 input
operation ((drop newindex state)) (state) newindex base input (newoutput)
| (last (digits op) == 5 ) = do
let newindex = jumpif (fillup (revertdigs op) 4) (xs!!0) (xs!!1) i base state
operation ((drop newindex state)) (state) newindex base input output
| (last (digits op) == 6 ) = do
let newindex = jumpifnot (fillup (revertdigs op) 4) (xs!!0) (xs!!1) i base state
operation ((drop newindex state)) (state) newindex base input output
| (last (digits op) == 7 ) = do
let newindex = i + 4
let newstate = lessthan (fillup (revertdigs op) 5) (xs!!0) (xs!!1) (xs!!2) base state
operation ((drop newindex newstate)) (newstate) newindex base input output
| (last (digits op) == 8 ) = do
let newindex = i + 4
let newstate = equal (fillup (revertdigs op) 5) (xs!!0) (xs!!1) (xs!!2) base state
operation ((drop newindex newstate)) (newstate) newindex base input output
| (last (digits op) == 9 ) = do
let newindex = i + 2
let fullop = (fillup (revertdigs op) 3)
let newbase = base + (getValue (fullop!!2) (xs!!0) base state)
(operation ((drop newindex state)) (state) newindex newbase input output)
add :: [Int] -> Int -> Int -> Int -> Int -> [Int] -> [Int]
add (op1:op2:m1:m2:m3:_) p1 p2 p3 base state =
Main.insert state sum (getIndex m3 p3 base)
where
sum = (getValue m1 p1 base state) + (getValue m2 p2 base state)
mult :: [Int] -> Int -> Int -> Int -> Int -> [Int] -> [Int]
mult (op1:op2:m1:m2:m3:_) p1 p2 p3 base state =
Main.insert state sum (getIndex m3 p3 base)
where
sum = (getValue m1 p1 base state) * (getValue m2 p2 base state)
put :: [Int] -> Int -> Int -> Int -> [Int] -> [Int]
put(op1:op2:m1:_) p1 input base state =
Main.insert state input (getIndex m1 p1 base)
out :: [Int] -> [Int] -> Int -> Int -> [Int] -> [Int]
out (op1:op2:m1:_) output p1 base state =
output ++ [(getValue m1 p1 base state)]
jumpif :: [Int] -> Int -> Int -> Int -> Int -> [Int] -> Int
jumpif (op1:op2:m1:m2:_) p1 p2 index base state
| (getValue m1 p1 base state) /= 0 = getValue m2 p2 base state
| otherwise = index + 3
jumpifnot :: [Int] -> Int -> Int -> Int -> Int -> [Int] -> Int
jumpifnot (op1:op2:m1:m2:_) p1 p2 index base state
| (getValue m1 p1 base state) == 0 = getValue m2 p2 base state
| otherwise = index + 3
lessthan :: [Int] -> Int -> Int -> Int -> Int -> [Int] -> [Int]
lessthan (op1:op2:m1:m2:m3:_) p1 p2 p3 base state
| (getValue m1 p1 base state) < (getValue m2 p2 base state) =
Main.insert state 1 (getIndex m3 p3 base)
| otherwise = Main.insert state 0 (getIndex m3 p3 base)
equal :: [Int] -> Int -> Int -> Int -> Int -> [Int] -> [Int]
equal (op1:op2:m1:m2:m3:_) p1 p2 p3 base state
| (getValue m1 p1 base state ) == (getValue m2 p2 base state ) =
Main.insert state 1 (getIndex m3 p3 base)
| otherwise = Main.insert state 0 (getIndex m3 p3 base)
insert :: [Int] -> Int -> Int -> [Int]
insert xs value index
| index < length xs = do
let split = splitAt index xs
(fst split)++ [value] ++ (drop 1 (snd split))
| otherwise = do
let longState = xs ++ (replicate (index - length xs) 0)
let split = splitAt index longState
(fst split)++ [value] ++ (drop 1 (snd split))
read :: [Int] -> Int -> Int
read xs index
| index < length xs = xs!!index
| otherwise = 0
digits :: Int -> [Int]
digits = map Char.digitToInt . show
revertdigs :: Int -> [Int]
revertdigs 0 = []
revertdigs x = x `mod` 10 : revertdigs (x `div` 10)
fillup :: [Int] -> Int -> [Int]
fillup array x = array ++ (replicate (x - (length array)) 0)
getValue :: Int -> Int -> Int -> [Int] -> Int
getValue 0 p base array = Main.read array p
getValue 1 p base array = p
getValue 2 p base array = Main.read array (base + p)
getIndex :: Int -> Int -> Int -> Int
getIndex m p base
| m == 0 = p
| m == 2 = p + base