Meta interview notes, page 75 of 238

“I went straight to DFS with memoization, which is the right call, but I fumbled explaining why the memoization was valid here.” 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.

“This is a classic metric drop question but the ad creation workflow angle makes it a bit more layered than your average DAU dip scenario.” The rest of the author's notes on Software Engineer 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.

“My first instinct was an inner join and I almost went with it.” 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.

“BFS from the start, track distances, return the distance at the goal cell.” 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.

“My first instinct was BFS which was wrong.” 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.

“Spent way too long on the 'why build this' part and basically had to rush through metrics at the end.” 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.

“The naive approach is easy enough, just DFS or BFS and mark visited cells.” 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 binomial part wasn't too bad once I remembered you're conditioning on at least one meeting landing there.” 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.

“I rambled a bit about learning new tools and taking on harder projects, which in hindsight was pretty thin.” 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.

“Rambled a bit trying to connect everything into a clean story.” The rest of the author's notes on Data Scientist interview at Meta, Recruiter / HR Screen round, covers how they worked through the question, what the panel pushed back on, and what they would do differently.