From: Neil Smith Date: Tue, 22 Dec 2020 09:54:47 +0000 (+0000) Subject: Tidying X-Git-Url: https://git.njae.me.uk/?a=commitdiff_plain;h=d86a864714157b49f6104d14add219b535c61ad6;p=advent-of-code-20.git Tidying --- diff --git a/advent12/src/advent12.hs b/advent12/src/advent12.hs index c109c18..e52e279 100644 --- a/advent12/src/advent12.hs +++ b/advent12/src/advent12.hs @@ -17,12 +17,13 @@ type Position = (Int, Int) -- (x, y) data Action a = N a | S a | E a | W a | L a | R a | F a deriving (Show, Eq, Ord) -data Ship = Ship { direction :: Direction, position :: Position } - deriving (Show, Eq, Ord) +-- data Ship = Ship { direction :: Direction, position :: Position } +-- deriving (Show, Eq, Ord) -data ShipW = ShipW { positionW :: Position - , waypoint :: Position - } +data Ship = Ship { position :: Position + , direction :: Direction + , waypoint :: Position + } deriving (Show, Eq, Ord) @@ -38,12 +39,12 @@ main = part1 actions = manhattan (position ship1) start where start = (0, 0) - ship0 = Ship {position = start, direction = East } + ship0 = Ship {position = start, direction = East, waypoint = (10, 1)} ship1 = foldl act ship0 actions -part2 actions = manhattan (positionW ship1) start +part2 actions = manhattan (position ship1) start where start = (0, 0) - ship0 = ShipW {positionW = start, waypoint = (10, 1)} + ship0 = Ship {position = start, direction = East, waypoint = (10, 1)} ship1 = foldl actW ship0 actions -- apAc actions = ship1 @@ -56,6 +57,7 @@ part2 actions = manhattan (positionW ship1) start -- ship0 = ShipW {positionW = start, waypoint = (10, 1) } -- ship1 = foldl actW ship0 actions +act :: Ship -> Action Int -> Ship act Ship{..} (N d) = Ship { position = dDelta d North position, ..} act Ship{..} (S d) = Ship { position = dDelta d South position, ..} act Ship{..} (W d) = Ship { position = dDelta d West position, ..} @@ -65,14 +67,14 @@ act Ship{..} (R a) = Ship { direction = d, ..} where d = (iterate succW directio act Ship{..} (F d) = Ship { position = dDelta d direction position, ..} -actW ShipW{..} (N d) = ShipW { waypoint = dDelta d North waypoint, ..} -actW ShipW{..} (S d) = ShipW { waypoint = dDelta d South waypoint, ..} -actW ShipW{..} (W d) = ShipW { waypoint = dDelta d West waypoint, ..} -actW ShipW{..} (E d) = ShipW { waypoint = dDelta d East waypoint, ..} -actW ShipW{..} (L a) = ShipW { waypoint = d, ..} where d = (iterate rotL waypoint) !! (a `div` 90) -actW ShipW{..} (R a) = ShipW { waypoint = d, ..} where d = (iterate rotR waypoint) !! (a `div` 90) -actW ShipW{..} (F d) = ShipW { positionW = p', ..} - where (x, y) = positionW +actW Ship{..} (N d) = Ship { waypoint = dDelta d North waypoint, ..} +actW Ship{..} (S d) = Ship { waypoint = dDelta d South waypoint, ..} +actW Ship{..} (W d) = Ship { waypoint = dDelta d West waypoint, ..} +actW Ship{..} (E d) = Ship { waypoint = dDelta d East waypoint, ..} +actW Ship{..} (L a) = Ship { waypoint = d, ..} where d = (iterate rotL waypoint) !! (a `div` 90) +actW Ship{..} (R a) = Ship { waypoint = d, ..} where d = (iterate rotR waypoint) !! (a `div` 90) +actW Ship{..} (F d) = Ship { position = p', ..} + where (x, y) = position (dx, dy) = waypoint p' = (x + (d* dx), y + (d * dy)) diff --git a/advent13/src/advent13.hs b/advent13/src/advent13.hs index bb4117e..e4ccec5 100644 --- a/advent13/src/advent13.hs +++ b/advent13/src/advent13.hs @@ -17,8 +17,8 @@ main :: IO () main = do text <- TIO.readFile "data/advent13.txt" let (timestamp, busses) = successfulParse text - print timestamp - print busses + -- print timestamp + -- print busses print $ part1 timestamp busses print $ part2 busses