From 62e620d515911e608d85832149652d9a4d867ada Mon Sep 17 00:00:00 2001 From: Neil Smith Date: Tue, 11 Dec 2018 23:29:29 +0000 Subject: [PATCH] Tidying --- src/advent11/advent11.hs | 16 +++++----------- 1 file changed, 5 insertions(+), 11 deletions(-) diff --git a/src/advent11/advent11.hs b/src/advent11/advent11.hs index 1472f31..4e26d0a 100644 --- a/src/advent11/advent11.hs +++ b/src/advent11/advent11.hs @@ -5,19 +5,16 @@ import Data.List import qualified Data.Map.Strict as M import Data.Map.Strict ((!)) --- import qualified Data.Set as S --- import Data.Function (on) import Data.Ord (comparing) type Coord = (Integer, Integer) -- x, y type Grid = M.Map Coord Integer -key = 5719 --- key = 42 +serialNumber = 5719 main :: IO () main = do - let g = makeGrid key + let g = makeGrid serialNumber print $ part1 g print $ part2 g @@ -25,10 +22,7 @@ main = do part1 grid = keyOfMaxValue sg where sg = allSubCellPower 3 grid - -part2 grid = maximumBy (comparing snd) $ [bestInGrid size grid | size <- [3..300]] - --- bestSubCell size grid = +part2 grid = maximumBy (comparing snd) [bestInGrid size grid | size <- [3..300]] makeGrid :: Integer -> Grid -- makeGrid key = M.fromList [((x, y), powerLevel x y key) | x <- [1..300], y <- [1..300] ] @@ -42,8 +36,8 @@ addSummedArea grid ((x, y), power) = M.insert (x, y) (power + upper + left - upp powerLevel :: Integer -> Integer -> Integer -> Integer -powerLevel 0 y _ = 0 -powerLevel x 0 _ = 0 +powerLevel 0 _ _ = 0 +powerLevel _ 0 _ = 0 powerLevel x y key = ((interim `div` 100) `mod` 10) - 5 where rackID = x + 10 interim = ((rackID) * y + key) * rackID -- 2.34.1