Count Set Bits in an Integer

Code

#include <stdio.h>

int countSetBits(unsigned int n) {
    // Write your code here
    unsigned int count = 0;
    for (int k = 0; k < 32; k++) {
        if ((n & (1<<k)) > 0)
          ++count;
    }

    return count;

}

int main() {
    int n;
    scanf("%d", &n);
    printf("%d", countSetBits(n));
    return 0;
}

Solving Approach