Hello guys, I am trying hard to learn LCA and here are some good problems i found and i thought to share them

1. http://codeforces.net/problemset/problem/519/E

2. https://www.codechef.com/problems/RBTREE

3. https://www.codechef.com/problems/CHEFPRES

4. https://www.codechef.com/problems/TALCA

A great HackerRank tutorial: https://www.hackerrank.com/topics/lowest-common-ancestor

The Best Tutorial i encountered so far: http://csengerg.github.io/2015/12/24/lowest-common-ancestor.html

If you have more good problems or tutorials that you can share, share them in the comments.