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The Zigzag Encoder
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
- mid, senior
Interview Prompt
A custom encoding scheme writes characters in a zigzag pattern across a fixed number of rows, then reads them row by row. Write a function that takes a string and a number of rows, and returns the string after applying the zigzag encoding pattern.
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