It's essential to demonstrate that you can really go deep... there are plenty of followup questions and (sometimes tangential) angles to explore. There's a lot of Software Engineer experts who've worked at Google, who provide this sort of practice throu

There's a lot of elements to typically cover in these questions, clarifications, scoping, making sure you're answering the actual question the interviewer is looking for you to answer, etc. Could be worth doing a mock interview with one of the Prepfully Google Software Engineer experts... they've worked in the role so they clearly know how to get through the interview. prepfully.com/practice-interviews