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
- L4
Interview Prompt
Given a string s and an integer rows (>= 1), write s in a zigzag pattern across that number of rows, then read the characters row by row to produce the encoded output. If rows == 1, the output equals the input.
Summary
The message snakes its way across the rails.
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