The first interview was to solve the task, and they sent me some study material as well. It contained a lot of LeetCode-related questions. I think solving them gave me most of the idea of what I needed to solve the test task.
The task related to the tree is to be solved.
The following metrics were computed from 6 interview experiences for the Meta Software Engineer role in Sweden.
Meta's interview process for their Software Engineer roles in Sweden is extremely selective, failing the vast majority of engineers.
Candidates reported having good feelings for Meta's Software Engineer interview process in Sweden.