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The Chain Transform
A medium Python interview practice problem on DataDriven. Write and execute real python code with instant grading.
- Domain
- Python
- Difficulty
- medium
- Seniority
- senior, staff
Problem
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.
Practice This Problem
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