Apple interview notes, page 16 of 38

“I started with the naive transpose-into-a-new-matrix approach just to get something on the board, and they let me finish before asking about the space.” The rest of the author's notes on Machine Learning Engineer interview at Apple, Technical Phone Screen round, covers how they worked through the question, what the panel pushed back on, and what they would do differently.

“Classic tree DP problem but I always second-guess myself on whether the path has to pass through the root or not.” The rest of the author's notes on Software Engineer interview at Apple, 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 monster of a question and they gave zero warm-up before dropping it.” The rest of the author's notes on Software Engineer interview at Apple, 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 one tripped me up more than I expected.” The rest of the author's notes on Product Manager interview at Apple, 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 knew this was a DP problem pretty fast but fumbled explaining the recurrence out loud.” The rest of the author's notes on Software Engineer interview at Apple, Technical Phone Screen round, covers how they worked through the question, what the panel pushed back on, and what they would do differently.

“I went with preorder traversal and used a sentinel value for null nodes, something like '#' separated by commas.” The rest of the author's notes on Software Engineer interview at Apple, Technical Phone Screen round, covers how they worked through the question, what the panel pushed back on, and what they would do differently.

“Looks like a silly question until you're actually in it.” The rest of the author's notes on Product Manager interview at Apple, Onsite - Product Sense / Strategy round, covers how they worked through the question, what the panel pushed back on, and what they would do differently.

“No specifics were shared about what the problem actually was, just that it was a coding question in round three.” The rest of the author's notes on Software Engineer interview at Apple, Onsite - Coding / Algorithms round, covers how they worked through the question, what the panel pushed back on, and what they would do differently.

“I started with the entities which felt right, Room, Customer, Booking, and a service layer.” The rest of the author's notes on Software Engineer interview at Apple, 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 question has a lot of surface area and I kind of froze for a second deciding where to start.” The rest of the author's notes on Machine Learning Engineer interview at Apple, Onsite - System Design / Architecture round, covers how they worked through the question, what the panel pushed back on, and what they would do differently.