Update README.md

Author: github-actions[bot]

README.md

@@ -72,5 +72,5 @@ This repository is licensed under the [MIT License](LICENSE).
 
 ## 🏆 Progress
 
-- Problems solved: 3
-- Last updated: 14 Aug 2025, 12:21 PM UTC+05:30
+- Problems solved: 4
+- Last updated: 14 Aug 2025, 03:14 PM UTC+05:30