Day18:Backup

This commit is contained in:
Arranun 2019-12-18 14:27:33 +01:00
parent b49722bb69
commit 4c55fd04e8

140
day18.hs Normal file
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import Data.List.Split
import Data.List.Unique
import Data.Char as Char
import Data.List as List
import Data.Either as Either
import Debug.Trace as Trace
import Data.Maybe
main = do
mapIn <- lines <$> getContents
--let brain = Amplifier software 0 0 [] [0]
--let robot = Robot mapIn [((5,1),64)] (5,1) 1
--let resultRobots = (runRobot robot )
--let reachablePoints = getNextKey resultRobots
--let nextKey = head (sortBy sortLength reachablePoints)
--let newMap = openGate mapIn nextKey
let result = getAllKeys mapIn (15,1) []
--let aRobotLength = List.minimum( map (length . points) $ aRobots)
--let aRobotWin = filter(\(Robot brain points position direction) -> length points == aRobotLength) aRobots
--let winRobots = filter(\(Robot br pts pos dir) -> elem 2 (map(\(p,c) -> c) pts))resultRobots
--let winRobotsLength = map(\(Robot br pts pos dir) -> length (filter(\(p,c) -> c == 1)pts))winRobots
--let winRobot = (map(\(Robot br pts pos dir) -> Robot br [] pos 1) winRobots) !! 0
--let part2Robots = (runRobot winRobot)
--let part2Length = map(\(Robot br pts pos dir) -> length (filter(\(p,c) -> c == 1)pts))part2Robots
--putStrLn(show winRobotsLength)
--putStrLn(show $ List.maximum( part2Length))
mapM putStrLn(map show mapIn)
putStrLn(show result)
--putStrLn(printKey nextKey)
--mapM putStrLn(map show resultRobots)
data Robot = Robot{ brain:: [[Char]]
,points:: [((Int,Int),Int)]
,position:: (Int,Int)
,direction :: Int
} deriving Show
data Key = Key { id :: Int,
pos :: (Int,Int),
way :: Int
} deriving (Show, Eq)
getAllKeys :: [[Char]] -> (Int,Int) -> [Key] -> [[Key]]
getAllKeys mapIn (a,b) keys = do
let robot = Robot (Trace.traceShowId(mapIn)) [((a,b),64)] (a,b) 1
let resultRobots = (runRobot robot )
let reachablKeys = (Trace.traceShowId(getNextKey (resultRobots)))
if length reachablKeys /= 0
then do
let nextKey = head (sortBy sortLength reachablKeys)
let newMap = openGate mapIn (Trace.traceShowId(nextKey))
let newKeys = nextKey:keys
getAllKeys newMap (pos nextKey) newKeys
else keys
sortLength :: Key -> Key -> Ordering
sortLength (Key _ _ way1) (Key _ _ way2)
| way1 == way2 = EQ
| way1 < way2 = LT
| way1 > way2 = GT
openGate :: [[Char]] -> Key -> [[Char]]
openGate mapIn (Key id (a,b) _) = result
where result' = map( map(\c -> if c==(chr id) then '.' else c)) mapIn
result = map( map(\c -> if c==(chr (id-32)) then '.' else c)) result'
printKey :: Key -> [Char]
printKey (Key id pos way) = (show id)++" :"++(show pos)++(show way)
getBrain :: Robot -> [[Char]]
getBrain (Robot brain points poisition direction) = brain
getNextKey :: [Robot] -> [Key]
getNextKey robots = nub minPts
where kPts = map(\(Robot brain points position direction) ->(Key (snd(last points)) (fst(last points)) (length points))) robots
minPts = map(\(Key id pos way) ->(Key id pos (min id))) keyWPr
min x = List.minimum $ map(\(Key id pos way) -> way) $ filter(\(Key id pos way) -> id == x) keyWPr
keys = filter(\(Key id pos way) -> id /= 46 && id /= 64 && between 97 id 122) kPts
keyWPr = keys
runRobot :: Robot -> [Robot]
runRobot robot
| (length move) == 0 = [robot]
| (length move) == 1 = do
let newRobot = stepRobot robot $ move!!0
runRobot newRobot
| otherwise = do
let newRobots = map(\mv -> stepRobot robot mv) move
foldl (++) [] $ map(\robot -> runRobot robot) newRobots
where move = getNextMove robot
stepRobot :: Robot -> Int -> Robot
stepRobot (Robot brain points position direction) newDirection = do
let newPos = move position newDirection
let statusResponse = ord ((brain!! (snd newPos))!! (fst newPos))
let newPoints = (points) ++ [(newPos, statusResponse)]
if statusResponse == 35 || between 65 statusResponse 90 || between 97 statusResponse 122
then Robot brain newPoints position newDirection
else Robot brain newPoints newPos newDirection
between :: Int -> Int -> Int -> Bool
between x y z
|x <= y = y <= z
|otherwise = False
move :: (Int,Int) -> Int -> (Int,Int)
move (x,y) direction
| direction == 1 = (x,y-1)
| direction == 2 = (x+1,y)
| direction == 3 = (x,y+1)
| direction == 4 = (x-1,y)
getNextMove :: Robot -> [Int]
getNextMove (Robot brain points position direction)
|length points > 0 && (snd $ last points) == 2 = []
|otherwise = do
filterMoves (Robot brain points position direction) [1,2,3,4]
filterMoves :: Robot -> [Int] -> [Int]
filterMoves robot moves = filter(\x -> checkVisit robot x && checkWall robot x) moves
checkVisit :: Robot -> Int -> Bool
checkVisit (Robot brain points position direction) mv = do
let newPos = move position mv
let visits = map(\(pos,c) -> pos) points
notElem newPos visits
checkWall :: Robot -> Int -> Bool
checkWall (Robot brain points position direction) mv = do
let newPos = (move position mv)
let mvResult = ( ord ((brain!! (snd newPos))!! (fst newPos)))
not (mvResult == 35 )
getList :: String -> [Int]
getList = map Prelude.read . splitOn ","