Problem Asked- 2 Leetcode based DSA QS

1. Zig zag traversal of binary tree
2. Graph Multi-Source DFS with Memoization question

LLD :

Design E-commerce System

DSA Questions were also asked

HLD:

Design Amazon Locker system

• 2 DSA questions

Bar-Raiser:

Course Schedule II question in depth discussion with debugging and dry run.

Tip: calculation of TC and SC