Snowflake interview notes, page 5 of 14

“The basic structure came to me quickly.” The rest of the author's notes on Frontend Engineer interview at Snowflake, Technical Phone Screen round, covers how they worked through the question, what the panel pushed back on, and what they would do differently.

“This question is basically asking you to do a full systems design course in 45 minutes.” The rest of the author's notes on Software Engineer interview at Snowflake, Onsite - System Design / Architecture round, covers how they worked through the question, what the panel pushed back on, and what they would do differently.

“My first instinct was to sort by revenue and just pick the highest one, which is wrong.” The rest of the author's notes on Software Engineer interview at Snowflake, 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 to do a preorder traversal but then I realized I needed the subtree sums, which means you actually want to compute bottom-up, so postorder made more sense.” The rest of the author's notes on Software Engineer interview at Snowflake, Technical Phone Screen round, covers how they worked through the question, what the panel pushed back on, and what they would do differently.

“I jumped straight to DFS and felt pretty good about it, but then realized mid-explanation I wasn't handling the case where X is the root cleanly.” The rest of the author's notes on Software Engineer interview at Snowflake, Technical Phone Screen round, covers how they worked through the question, what the panel pushed back on, and what they would do differently.

“BFS was the right call and I knew it pretty quickly.” The rest of the author's notes on Software Engineer interview at Snowflake, Technical Phone Screen round, covers how they worked through the question, what the panel pushed back on, and what they would do differently.

“The promotion logic is where I got tangled.” The rest of the author's notes on Software Engineer interview at Snowflake, Technical Phone Screen round, covers how they worked through the question, what the panel pushed back on, and what they would do differently.

“Came up in the early screening rounds.” The rest of the author's notes on Software Engineer interview at Snowflake, Onsite - Multi Round round, covers how they worked through the question, what the panel pushed back on, and what they would do differently.

“I got the basic traversal down fast enough, topological sort and merge sets as you go.” The rest of the author's notes on Software Engineer interview at Snowflake, Technical Phone Screen round, covers how they worked through the question, what the panel pushed back on, and what they would do differently.

“Started fine with the basic version, stack-based, push on open and pop and check on close.” The rest of the author's notes on Software Engineer interview at Snowflake, Technical Phone Screen round, covers how they worked through the question, what the panel pushed back on, and what they would do differently.