The Single Bit

A easy Python interview practice problem on DataDriven. Write and execute real python code with instant grading.

Domain

Python

Difficulty

easy

Seniority

junior, mid

Problem

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.

Practice This Problem

Solve this Python problem with real code execution. DataDriven runs your Python code in a sandboxed Docker environment and grades it instantly.