Problem
Write a function to find the top N elements per group in a database.
KPracticing as: Software Engineer interview at KKR
Hi, I'll play your KKR interviewer for the Software Engineer role. Candidates describe these interviews as mostly positive and moderately difficult, so expect me to be friendly and conversational. Take your time with the question above and answer like we're in the room.
You are practicing as a guest. Sign up free to get your answer graded with AI feedback. Your draft stays right here.