Day18:Backup
This commit is contained in:
parent
b49722bb69
commit
4c55fd04e8
|
@ -0,0 +1,140 @@
|
||||||
|
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 ","
|
||||||
|
|
Loading…
Reference in New Issue
Block a user