Screening
Q1 given word 1 and word 2 return output
baseball base : 4
landlord load : 0
hangover hanng : 4

Q2 minimum remove to make valid parenthesis

Full Loop:

Coding interview 1:

1. course schedule
2. given root, target k, print all nodes at kth distance from target node

Coding interview 2:

1. given matrix, do diagonal traversal
2. in sorted array find occurence of given word

System Design:
Design auction in instagram.

Awaiting for res....