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Added links to blog posts
[advent-of-code-21.git]
/
advent05
/
Main.hs
diff --git
a/advent05/Main.hs
b/advent05/Main.hs
index 5669a537055a566cf8b18e27ed50d88dce6ffb85..90cdb07f74701e53480d222fbf5a852f2c429994 100644
(file)
--- a/
advent05/Main.hs
+++ b/
advent05/Main.hs
@@
-1,4
+1,4
@@
--- Writeup at https://work.njae.me.uk/2021/12/0
4/advent-of-code-2021-day-4
/
+-- Writeup at https://work.njae.me.uk/2021/12/0
5/advent-of-code-2021-day-5
/
import Data.Text ()
import qualified Data.Text.IO as TIO
import Data.Text ()
import qualified Data.Text.IO as TIO
@@
-56,7
+56,6
@@
findDelta (Line (V2 x0 y0) (V2 x1 y1)) = (V2 dx dy)
dy = signum (y1 - y0)
addLines :: Grid -> [[Point]] -> Grid
dy = signum (y1 - y0)
addLines :: Grid -> [[Point]] -> Grid
--- addLines diagram expandedLines = foldr insertLine diagram expandedLines
addLines = foldr insertLine
where insertPoint p d = M.insertWith (+) p 1 d
insertLine l d = foldr insertPoint d l
addLines = foldr insertLine
where insertPoint p d = M.insertWith (+) p 1 d
insertLine l d = foldr insertPoint d l