Changes

Author: whichrakesh

Codechef/Contiguous Array.js

@@ -1,5 +1,9 @@
 # Leetcode-and-chill
 Leetcode and Chill during Quarantine
+    - https://www.youtube.com/watch?v=ZzjuQH2FJkI
 
-Please watch this video before going through the solutions
-https://www.youtube.com/watch?v=ZzjuQH2FJkI
+Contents
+- April 30 Days Coding Challenge on Leetcode
+    - https://leetcode.com/explore/challenge/card/30-day-leetcoding-challenge/
+- Codechef Problems:
+    - https://www.codechef.com/certification/data-structures-and-algorithms/prepare#advanced