The interviewer never allowed you to think and code. For every line, he would jump in to point out the mistake, even before you could self-verify and hand it over to him to check correctness. This totally stifles your thought process.
These are standard LeetCode-style problems.
The following metrics were computed from 204 interview experiences for the Dropbox Software Engineer role in United States.
Dropbox's interview process for their Software Engineer roles in the United States is extremely selective, failing the vast majority of engineers.
Candidates reported having good feelings for Dropbox's Software Engineer interview process in United States.