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4.7 KiB

import Data.List.Split
import Data.Char as Char
main = do
content <- getList <$> getContents
let input = [5]
let output = operation content content 0 input []
mapM putStrLn (map show output)
getList :: String -> [Int]
getList = map read . splitOn ","
changeInput :: [Int] -> Int -> Int -> [Int]
changeInput (begin:_:_:input) input1 input2= [begin] ++ [input1] ++ [input2] ++ input
func :: [Int] -> Int -> Int -> Int
func xs x y = do
let input = changeInput xs x y
head (compute input input 0 [] [] )
compute :: [Int] -> [Int] -> Int -> [Int] -> [Int] -> [Int]
compute (99:_) state index input output = state
compute (op:x:y:z:_) state index input output=
compute (drop newindex state) newstate newindex input output
where
sum = if op == 1 then
(state !! x) + (state !! y)
else
(state !! x) * (state !! y)
split = splitAt z state
newstate = (fst split) ++ [sum] ++ (drop 1 (snd split))
newindex = index + 4
operation :: [Int] -> [Int] -> Int -> [Int] -> [Int] -> [Int]
operation (99:_) state index input output =
output
operation (op:x:y:z:_) state index input output
| last (digits op) == 1 = do
let newindex = index + 4
let newstate = add (fillup (revertdigs op) 5) x y z state
operation (drop newindex newstate) newstate newindex input output
| last (digits op) == 2 = do
let newindex = index + 4
let newstate = mult (fillup (revertdigs op) 5) x y z state
operation (drop newindex newstate) newstate newindex input output
| last (digits op) == 3 = do
let newindex = index + 2
let newstate = put (fillup (revertdigs op) 3) x (head input) state
let newinput = drop 1 input
operation (drop newindex newstate) newstate newindex newinput output
| last (digits op) == 4 = do
let newindex = index + 2
let newoutput = out (fillup (revertdigs op) 3) output x state
let newinput = drop 1 input
operation (drop newindex state) state newindex input newoutput
| (last (digits op) == 5 ) = do
let newindex = jumpif (fillup (revertdigs op) 4) x y index state
operation (drop newindex state) state newindex input output
| (last (digits op) == 6 ) = do
let newindex = jumpifnot (fillup (revertdigs op) 4) x y index state
operation (drop newindex state) state newindex input output
| (last (digits op) == 7 ) = do
let newindex = index + 4
let newstate = lessthan (fillup (revertdigs op) 5) x y z state
operation (drop newindex newstate) newstate newindex input output
| (last (digits op) == 8 ) = do
let newindex = index + 4
let newstate = equal (fillup (revertdigs op) 5) x y z state
operation (drop newindex newstate) newstate newindex input output
add :: [Int] -> Int -> Int -> Int -> [Int] -> [Int]
add (op1:op2:m1:m2:m3:_) p1 p2 p3 state =
insert state sum p3
where
sum = (getValue m1 p1 state) + (getValue m2 p2 state)
mult :: [Int] -> Int -> Int -> Int -> [Int] -> [Int]
mult (op1:op2:m1:m2:m3:_) p1 p2 p3 state =
insert state sum p3
where
sum = (getValue m1 p1 state) * (getValue m2 p2 state)
put :: [Int] -> Int -> Int -> [Int] -> [Int]
put(op1:op2:m1:_) p1 input state =
insert state input p1
out :: [Int] -> [Int] -> Int -> [Int] -> [Int]
out (op1:op2:m1:_) output p1 state =
output ++ [(getValue m1 p1 state)]
jumpif :: [Int] -> Int -> Int -> Int -> [Int] -> Int
jumpif (op1:op2:m1:m2:_) p1 p2 index state
| (getValue m1 p1 state) /= 0 = getValue m2 p2 state
| otherwise = index + 3
jumpifnot :: [Int] -> Int -> Int -> Int -> [Int] -> Int
jumpifnot (op1:op2:m1:m2:_) p1 p2 index state
| (getValue m1 p1 state) == 0 = getValue m2 p2 state
| otherwise = index + 3
lessthan :: [Int] -> Int -> Int -> Int -> [Int] -> [Int]
lessthan (op1:op2:m1:m2:m3:_) p1 p2 p3 state
| (getValue m1 p1 state) < (getValue m2 p2 state) = insert state 1 p3
| otherwise = insert state 0 p3
equal :: [Int] -> Int -> Int -> Int -> [Int] -> [Int]
equal (op1:op2:m1:m2:m3:_) p1 p2 p3 state
| (getValue m1 p1 state) == (getValue m2 p2 state) = insert state 1 p3
| otherwise = insert state 0 p3
insert :: [Int] -> Int -> Int -> [Int]
insert xs value index = do
let split = splitAt index xs
(fst split)++ [value] ++ (drop 1 (snd split))
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
getValue 0 index array = array !! index
getValue 1 index array = index