Very fast, about 2 weeks.
The questions were slightly harder than I expected, but are indeed very standard algorithm questions.
You should give the best solution in order to pass an interview. If you don't get there, the interviewers will give you hints for improvement.
LeetCode questions:
1 Hard 1 Medium
The following metrics were computed from 546 interview experiences for the Meta Software Engineer (Internship) role in United States.
Meta's interview process for their Software Engineer (Internship) roles in the United States is very selective, failing most engineers who go through it.
Candidates reported having very good feelings for Meta's Software Engineer (Internship) interview process in United States.