2 questions:
One is LeetCode 1249. The second is an iterator for K sorted arrays.
The first question also asked some follow-up questions, such as how to validate if the response is correct, like writing some unit test code.
The following metrics were computed from 1,861 interview experiences for the Meta Software Engineer role in United States.
Meta's interview process for their Software Engineer roles in the United States is extremely selective, failing the vast majority of engineers.
Candidates reported having very good feelings for Meta's Software Engineer interview process in United States.