Please upvote if you find this helpful

Was rejected in the first round. There was 15 mins discussion on my experience then 1 hour of problem solving. Questions were of good standard and interviewer was friendly and helpful each time I was stuck

Questions:

1. Given an array of integers, find all subsets (https://leetcode.com/problems/subsets/)
2. Reverse the LinkedList in group of K (https://leetcode.com/problems/reverse-nodes-in-k-group/)
3. Print bottom view of a binary tree (https://www.techiedelight.com/print-bottom-view-of-binary-tree/)