1. https://leetcode.com/problems/buildings-with-an-ocean-view/
2. https://leetcode.com/problems/lowest-common-ancestor-of-a-binary-tree/
   The last one had a slight varation-- It did not have root node included. We are given only 2 nodes.
   updated: https://leetcode.com/problems/lowest-common-ancestor-of-a-binary-tree-iii/

I feel so low now, because I was able to solve both the qustions.
The recruiter said, it was a very hard decision for us but we think there are other talented candidates. I dont get it.. The recruiter did not provide a feedback when i emailed back..
This is my 3rd phone screen I have been rejected, its so hard that where am I lacking?