1 files changed, 3 insertions, 2 deletions

diff --git a/execs/Day05.hs b/execs/Day05.hs
index 27397f7..a47c024 100644
--- a/execs/Day05.hs
+++ b/execs/Day05.hs
@@ -1,6 +1,7 @@
 module Main where
 
 import Data.Char (digitToInt)
+import Data.List (sort)
 import Utils (binaryToInt)
 
 doValidate = binaryToInt . map readBin
@@ -10,7 +11,7 @@ readBin s | s `elem` "FL" = '0'
 main :: IO ()
 main = do
     n <- lines <$> readFile "input/05"
-    let valids = map doValidate n
+    let valids = sort $ map doValidate n
         ans1 = maximum valids
     print ans1
-    print $ sum [minimum valids .. ans1] - sum valids
+    print $ (+1) . fst . head . dropWhile ((==1) . uncurry (flip (-))) . (zip <*> tail) $ valids