LinkedIn interview notes, page 20 of 32

“I initially coded the straightforward version where deeper elements get more weight, which is the classic problem.” The rest of the author's notes on Mobile Engineer interview at LinkedIn, 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 the min-heap approach, keep a heap of size k and just push everything through it.” The rest of the author's notes on Software Engineer interview at LinkedIn, 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 where things got uncomfortable.” The rest of the author's notes on Data Scientist interview at LinkedIn, Technical Phone Screen round, covers how they worked through the question, what the panel pushed back on, and what they would do differently.

“The base problem I got pretty fast, sliding window with a counter tracking how many zeros are inside the window.” The rest of the author's notes on Software Engineer interview at LinkedIn, Technical Phone Screen round, covers how they worked through the question, what the panel pushed back on, and what they would do differently.

“The recursive part came naturally.” The rest of the author's notes on Software Engineer interview at LinkedIn, Technical Phone Screen round, covers how they worked through the question, what the panel pushed back on, and what they would do differently.

“I fumbled around with the obvious stuff first, employee engagement data, HR analytics, and then tried to connect it to LinkedIn's broader play around the full employment lifecycle.” The rest of the author's notes on Product Manager interview at LinkedIn, Onsite - Product Sense / Strategy round, covers how they worked through the question, what the panel pushed back on, and what they would do differently.

“This sounds like a warmup question until they ask you to actually derive things.” The rest of the author's notes on Machine Learning Engineer interview at LinkedIn, 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 some kind of path-tracking approach, storing ancestors in a set, which works but completely ignores the BST structure.” The rest of the author's notes on Software Engineer interview at LinkedIn, Technical Phone Screen round, covers how they worked through the question, what the panel pushed back on, and what they would do differently.

“The naive O(n^2) approach is obvious but they want linear time.” The rest of the author's notes on Software Engineer interview at LinkedIn, 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 is basically 'design Google Calendar but justify every decision.' I started with the data model because that felt most concrete, but the interviewer kept pulling me toward scalability before I'd even finished the schema.” The rest of the author's notes on Software Engineer interview at LinkedIn, Onsite - System Design / Architecture round, covers how they worked through the question, what the panel pushed back on, and what they would do differently.