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How would you design a real-time notification system like WhatsApp or Instagram that can handle millions of users and deliver messages with low latency?
How will you find the running median of a stream
Round 1:Modified LCS and DFS based question Round 2:Running median of an array, Invert Binary tree, and some more questions
Q. Substring with Length k.
Tell me about the thesis work you are currently working on
K Most Frequent Element (both hashing and heap approach)
How did you learn programming
My tech stack and my projects
In the MERN Stack round, I was asked questions related to: * React Hooks and Custom Hooks * State Management and Redux * Performance Optimization Techniques in React In the DSA round, I was asked to solve: 1. Merge Intervals – a common interval-based problem (available on LeetCode) 2. Sort a 2D Matrix – also a standard LeetCode-style problem
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