Coinbase IC4

1. Round 1 (OA):
   1. Design a file system with multiple follow ups
   2. need to complete at least 3 questions to qualify
2. Round 2:
   1. Machine Coding events storage (normal map implementation)
   2. Follow up: had to use a heap to store events if we don’t know which event will come when, with timeout of 1min.
3. Round 3:
   1. Behavioral → (Current team project, ownership mindset)
4. Round 4:
   1. Create api filters
   2. multiple filters
   3. add pagination