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Sped up day 21 by only simulating the boundary
[advent-of-code-23.git]
/
advent23
/
Main.hs
diff --git
a/advent23/Main.hs
b/advent23/Main.hs
index 457f42bf4ae3ccf0c3395f2e98da083a2cf0da42..82982614816689c43b009398f45278bf39ef30d2 100644
(file)
--- a/
advent23/Main.hs
+++ b/
advent23/Main.hs
@@
-5,7
+5,7
@@
import qualified Debug.Trace as DT
import AoC
import Linear -- (V2(..), (^+^))
import qualified Data.Set as S
-import qualified Data.Map as M
+import qualified Data.Map
.Strict
as M
import Control.Lens
import Data.List (foldl')