GFG NUMBER OF BITS FLIPPED FOR NUMBER CONVERSION

#include <iostream>
using namespace std;

int countSetBits(int n) {
    int count = 0;
    while (n > 0) {
        count++;
        n &= (n-1);
    }
    return count;
}
 
int FlippedCount(int a, int b) {
    return countSetBits(a^b);
}
 
int main() {
    int a = 10;
    int b = 20;
    cout << FlippedCount(a, b)<<endl;
    return 0;
}