Coding / algorithm interviews are distinct from systems design interviews. The interviewer would have been told which of the two to do. If your question was "de

Coding / algorithm interviews are distinct from systems design interviews. The interviewer would have been told which of the two to do. If your question was "design google", it sounds like you were only being scheduled for systems design. (Anyway, you'd never ask a system design question from an L3, and only very rarely from an L4.)