diff --git a/daily-challenges/1717. Maximum Score From Removing Substrings.md b/daily-challenges/1717. Maximum Score From Removing Substrings.md
index 990c1dd..af2b6ca 100644
--- a/daily-challenges/1717. Maximum Score From Removing Substrings.md	
+++ b/daily-challenges/1717. Maximum Score From Removing Substrings.md	
@@ -119,3 +119,5 @@ private:
 
 
     Tags: C++, cpp, leetcode
+
+Todo: Without Stack