ribbon logo
ribbon contest type Free Academy Experience

Preparing for tech interviews?
Learn from the best instructors in the field.

Try Academy for FREE!

Number of 1 Bits

Write a function that takes an unsigned integer and returns the number of 1 bits it has.


The 32-bit integer 11 has binary representation


so the function should return 3.

Note that since Java does not have unsigned int, use long for Java

NOTE: You only need to implement the given function. Do not read input, instead use the arguments to the function. Do not print the output, instead return values as specified. Still have a doubt? Checkout Sample Codes for more details.
Start solving Number of 1 Bits on Interview Code Editor
  • Hint 1
  • Solution Approach
  • Complete Solution
Asked In:


Click here to start solving coding interview questions