Count Set Bits | Dataford Interview Questions

Count the number of set bits (1s) in an unsigned long long integer.

Asked in the Technical Phone Screens (3 rounds) stage. This is a bit manipulation task in C++.

Specification

Implement count_set_bits(n), where n is an integer representing an unsigned 64-bit value. Return the number of bits equal to 1.

def count_set_bits(n):

Your question is Count Set Bits. Start with the requirements in the Question tab.

Run and submit as often as you like. When you're ready, talk me through your approach or go straight to the code.

Count the number of set bits (1s) in an unsigned long long integer.

Asked in the Technical Phone Screens (3 rounds) stage. This is a bit manipulation task in C++.

Implement count_set_bits(n), where n is an integer representing an unsigned 64-bit value. Return the number of bits equal to 1.

def count_set_bits(n):

Your question is Count Set Bits. Start with the requirements in the Question tab.

Run and submit as often as you like. When you're ready, talk me through your approach or go straight to the code.