X-Git-Url: https://git.njae.me.uk/?a=blobdiff_plain;f=advent23%2FMain.hs;h=82982614816689c43b009398f45278bf39ef30d2;hb=a7b02636b8045a73a4dff090c1b932cfa1afd9bd;hp=457f42bf4ae3ccf0c3395f2e98da083a2cf0da42;hpb=bc689ec22856749b96406382eac0345f2f71cb40;p=advent-of-code-23.git

diff --git a/advent23/Main.hs b/advent23/Main.hs
index 457f42b..8298261 100644
--- 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')