Meta interview notes, page 86 of 238

“My first instinct was to just track (row, col) like normal BFS and I immediately started going down that path before catching myself.” 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.

“I started at the client layer and worked my way down, which felt logical at the time but I think I skipped over some obvious stuff like DNS and CDN failures too quickly.” 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.

“Classic prompt but I always underestimate how much they want to dig into your actual reasoning process, not just the outcome.” 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 had an answer prepped but rambled way too much on context and not enough on what I actually did.” The rest of the author's notes on Software Engineer interview at Meta, Hiring Manager Screen round, covers how they worked through the question, what the panel pushed back on, and what they would do differently.

“Thought I had it locked in after the first few minutes, then the interviewer asked what happens when you do cd ..” 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 problem description was a bit cryptic going in.” 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.

“Classic problem but I still fumbled the edge cases a bit.” 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'd rehearsed this one so much it started to sound rehearsed, which is its own problem.” 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.

“Simpler than it sounds and I almost over-engineered it.” 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.

“The core implementation is pretty clean: build an adjacency map once, then intersect the two friend sets.” 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.