Meta interview notes, page 128 of 238

“My first instinct was to reach for a stack and just track unmatched opens and closes separately.” The rest of the author's notes on Machine Learning Engineer interview at Meta, Technical Phone Screen round, covers how they worked through the question, what the panel pushed back on, and what they would do differently.

“I had a decent story ready but the 'several months' part made me second-guess whether my example was long enough.” The rest of the author's notes on Software Engineer interview at Meta, Onsite - Behavioral / Leadership round, covers how they worked through the question, what the panel pushed back on, and what they would do differently.

“I went straight to user intent and started talking about watch history, engagement signals, that kind of thing.” The rest of the author's notes on Product Manager interview at Meta, Onsite - Product Sense / Strategy round, covers how they worked through the question, what the panel pushed back on, and what they would do differently.

“I jumped straight to BFS which was fine, but I got a little tangled trying to return both views in one pass.” The rest of the author's notes on Software Engineer interview at Meta, Technical Phone Screen round, covers how they worked through the question, what the panel pushed back on, and what they would do differently.

“The question sounds straightforward until you realize 'location' is intentionally vague.” The rest of the author's notes on Software Engineer interview at Meta, Onsite - System Design / Architecture round, covers how they worked through the question, what the panel pushed back on, and what they would do differently.

“This is where I started sweating.” The rest of the author's notes on Data Scientist interview at Meta, Technical Phone Screen round, covers how they worked through the question, what the panel pushed back on, and what they would do differently.

“The negative number case tripped me up briefly.” The rest of the author's notes on Software Engineer interview at Meta, Technical Phone Screen round, covers how they worked through the question, what the panel pushed back on, and what they would do differently.

“The sorted lists made me think binary search immediately, which was the right call for finding the next valid departure.” The rest of the author's notes on Software Engineer interview at Meta, Technical Phone Screen round, covers how they worked through the question, what the panel pushed back on, and what they would do differently.

“Binomial CDF complement, nothing exotic.” The rest of the author's notes on Data Scientist interview at Meta, Technical Phone Screen round, covers how they worked through the question, what the panel pushed back on, and what they would do differently.

“My first instinct was just to scan the range each query, which is obviously too slow at 10^7 elements and 10^5+ queries.” The rest of the author's notes on Software Engineer interview at Meta, Onsite - Coding / Algorithms round, covers how they worked through the question, what the panel pushed back on, and what they would do differently.