ByteDance Software Engineer interview experience

The first question was a hybrid task that centered on computing distances and finding the maximum point using BFS/DFS. It was the kind of problem where the approach matters, not just getting a working answer.

The second part was about concurrency, and it asked me to implement thread-safe concepts. I had to demonstrate understanding of locks and different atomic operations to avoid thread conflicts. Honestly, I felt unprepared for that round, and even though I could talk through some ideas, the gap in familiarity showed under time pressure. That mismatch in expectations ended up defining the