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Hey y'all, sharing a recent interview experience on behalf of anonymous. This ain't me but I hope these data points help!

Q1: LC199 Binary Tree Right Side View
Variant: what if you had to return the left and right side views?
It was noted that BFS was used and accepted.

Q2: LC1047 Remove All Adjacent Duplicates
Variant: 1D Candy Crush.

Q3: LC346 Moving Average from a Data Stream
Variant: The input is given upfront so use a rolling window.
I could be misinterpreting here and the candidate could've been asked the OG (in which a queue is the solution) but I've almost never seen the latter asked.

Q4: LC23 Merge K Sorted Lists
Variant: It's a list of integers. A heap was used instead of the divide-and-conquer, and it was acceptable.

Behavioral: It was questions around handling conflict, demonstrating leadership, mentorship experiences and "What project are you most proud of?"

System Design: Design Proximity Server

I don't know information beyond this, but if you have pressing questions, I can ask anonymous!

Good luck with your studies!