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The Bit Ladder
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 hardware diagnostics tool needs to count the number of 1-bits for every integer from 0 to n to analyze bit patterns. Write a function that takes a non-negative integer n and returns a list where each element at index i is the number of 1-bits in i.
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.