Optimised day 19

[advent-of-code-22.git] / advent03 / Main.hs

diff --git a/advent03/Main.hs b/advent03/Main.hs
index 409ca338c6cc396c83e41b9ab1be4b055582cf50..fa01d402ccce5337f514a1e5740394afb2488628 100644 (file)
--- a/advent03/Main.hs
+++ b/advent03/Main.hs
@@ -1,6 +1,6 @@
 -- Writeup at https://work.njae.me.uk/2022/12/03/advent-of-code-2022-day-3/
 
-import System.Environment
+import AoC
 import Data.Char
 import qualified Data.Set as S
 import Data.List
@@ -17,16 +17,6 @@ main =
       print $ part1 rucksacks
       print $ part2 rucksacks
 
-getDataFileName :: IO String
-getDataFileName =
-  do args <- getArgs
-     progName <- getProgName
-     let baseDataName =  if null args
-                         then progName
-                         else head args 
-     let dataFileName = "data/" ++ baseDataName ++ ".txt"
-     return dataFileName
-
 part1 :: [Rucksack] -> Int
 part1 = sum . fmap (priority . commonItem)
 
@@ -57,5 +47,5 @@ commonItem (Rucksack contents1 contents2) = S.findMin (c1 `S.intersection` c2)
 
 priority :: Char -> Int
 priority item 
-  | item >= 'a' = ord item - ord 'a' + 1
+  | isLower item = ord item - ord 'a' + 1
   | otherwise = ord item - ord 'A' + 27