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The Single Bit
A easy Python mock interview question on DataDriven. Practice with AI-powered feedback, real code execution, and a hire/no-hire decision.
- Domain
- Python
- Difficulty
- easy
- Seniority
- junior, mid
Interview Prompt
A memory allocator needs to quickly verify that buffer sizes are valid powers of two before assigning them. Write a function that takes an integer and returns True if it is a positive power of two. Use bitwise operations.
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