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The Chain Transform
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
- senior, staff
Interview Prompt
A vocabulary game transforms words one letter at a time, and every intermediate word must be valid. Given a start word, an end word, and a dictionary, write a function that returns the minimum number of transformations required to go from start to end. Return 0 if no path exists.
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