fuxino/AdventOfCode2024
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Fix ghc warnings

Browse Source
This commit is contained in:
daniele
2024-12-14 11:49:14 +01:00
parent 7cc43b607d
commit b0303fa23d
14 changed files with 51 additions and 36 deletions
Download Patch File Download Diff File Expand all files Collapse all files

10
Day10/puzzle1.hs
View File

@ -1,5 +1,7 @@
import Data.Char (digitToInt)
import Data.List (uncons)
import Data.List.Split (chunksOf)
import Data.Maybe (fromJust)
import Data.Graph (graphFromEdges, path, vertices)
type Coords = (Int, Int)
@ -10,17 +12,17 @@ getValue grid (i, j) = grid !! i !! j
getEdges :: [[V]] -> Coords -> [Int]
getEdges grid (i, j) = let value = fst $ grid !! i !! j
adjI = filter (\x -> fst x >= 0 && fst x < length grid && snd x >= 0 && snd x < length (head grid)) [ (i, j + 1), (i + 1, j), (i, j - 1), (i - 1, j) ]
in [ snd x | x <- map (getValue grid) adjI, digitToInt (head value) == digitToInt (head (fst x)) - 1 ]
adjI = filter (\x -> fst x >= 0 && fst x < length grid && snd x >= 0 && snd x < length (fst . fromJust $ uncons grid)) [ (i, j + 1), (i + 1, j), (i, j - 1), (i - 1, j) ]
in [ snd x | x <- map (getValue grid) adjI, digitToInt (fst . fromJust $ uncons value) == digitToInt (fst . fromJust $ uncons (fst x)) - 1 ]
listVertices :: [String] -> [[V]]
listVertices grid = let l = length $ head grid
listVertices grid = let l = length $ fst . fromJust $ uncons grid
in chunksOf l $ zip (map (:[]) (concat grid)) [0..]
main = do
contents <- lines <$> readFile "day10.txt"
let grid = listVertices contents
edgeCoords = [ (x, y) | x <- [0..length grid -1], y <- [0..length (head grid) - 1] ]
edgeCoords = [ (x, y) | x <- [0..length grid -1], y <- [0..length (fst . fromJust $ uncons grid) - 1] ]
edgeList = [ (x, y, z) | ((x, y), z) <- zip (concat grid) (map (getEdges grid) edgeCoords) ]
(graph, nodeFromVertex, _) = graphFromEdges edgeList
startList = [ x | (_, x, _) <- filter (\(x, _, _) -> x == "0") $ map nodeFromVertex $ vertices graph ]