1 files changed, 1 insertions, 0 deletions
diff --git a/Puzzle7.hs b/Puzzle7.hs
index 4a1352b..8f90e88 100644
--- a/Puzzle7.hs
+++ b/Puzzle7.hs
@@ -1,3 +1,4 @@
+-- Author: Yuchen Pei (me@ypei.me)
 import Data.Set (toList, (\\), fromList)
 import Data.List.Split (splitOn, splitOneOf)
 import Data.Map (Map)