The Build Order
A medium Python mock interview question on DataDriven. Practice with AI-powered feedback, real code execution, and a hire/no-hire decision.
- Domain
- Python
- Difficulty
- medium
- Seniority
- L4
Interview Prompt
A build system has `n` modules numbered `0` to `n-1`, with a list of `edges` where each `[a, b]` means module `a` can only be built after module `b`. Return an order in which every module can be built.
Summary
Some tasks must wait for others to finish first.
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