1. GCD based question (Solved)
2. Array based DP question (Partially, worked for ~90% of test cases)

	1. https://leetcode.com/problems/trapping-rain-water/ (Didn't solve properly)
	2. https://leetcode.com/problems/delete-node-in-a-bst/ (Solved)
	3. Binary search for array with repeated elements, return first occurance. (Solved)

Implement Bookmyshow

Explained some stuff, did some modelling etc but overall did poorly.

1. https://leetcode.com/problems/add-two-numbers/ (Explained the approach and wrote pseudo code, didn't implement LinkedList class etc though)
2. Previous projects
3. Some OS stuff