Problem 138. Number of 1s in the Binary Representation of a Number

Description

Return the number of 1s in the (unsigned integer) binary representation of a number. This function should be able to provide vectorized input and return an output with the same dimensions as the input.

Example

   in = 215
   out = 6
Solve

Solution Stats

30.61% Correct | 69.39% Incorrect
Last Solution submitted on Nov 17, 2025

Problem Comments

Solution Comments

Show comments

Problem Recent Solvers468

Suggested Problems

More from this Author56

Problem Tags

base binary count

Community Treasure Hunt

Find the treasures in MATLAB Central and discover how the community can help you!

Start Hunting!