Round 1
Questions:
- Merge Intervals (edit: the intervals are already sorted by start time)
- Minimum Remove to Make Valid Parentheses
Candidate's Approach
- For the first question, the candidate solved it in O(n) time complexity.
- For the second question, the candidate used a stack but mentioned a O(1) space method to the interviewer, although he was not asked to implement it.
Interviewer's Feedback
No feedback provided.