Count bits
MediumGiven a decimal number
n, write a function that returns the number of bits set to 1.n = 12 # binary: 1100
Your function should return
2 since two of the four bits are set.Try it first
Solution
6 Essential Primitives Coding Interview Problems
Master Primitives by trying the coding challenges below.
- 1.Swap bitsEasy
- 2.Power of twoEasy
- 3.Count bitsMedium
- 4.Reverse bitsMedium
- 5.Find duplicateMedium
- 6.Bitwise additionHard