Merge Intervals
A hard Python mock interview question on DataDriven. Practice with AI-powered feedback, real code execution, and a hire/no-hire decision.
- Domain
- Python
- Difficulty
- hard
- Seniority
- L5
Interview Prompt
Given a list of [start, end] intervals, merge any that overlap or are adjacent. Return the merged list sorted by start ascending. Adjacent means end of one equals start of the next.
Summary
Overlapping ranges. Merge them.
How This Interview Works
- Read the vague prompt (just like a real interview)
- Ask clarifying questions to the AI interviewer
- Write your python solution with real code execution
- Get instant feedback and a hire/no-hire decision