Round 1
Questions: Given a stream of data in the format:
[timestamp] Alice called Bob [timestamp] Alice called Charlie ...
and a List of people [Alice, Bob, Charlie .. ]
When a person calls the other, they become friends and anyone they are friends with also become their friend.
Determine the timestamp when all users become friends with each other.
Candidate's Approach
No approach provided.
Interviewer's Feedback
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