c++ - 如何将数字的二进制表示中的所有 1 相加

Question

<分区>

Answer 1

我把你的代码改成这个

#include <iostream>
using namespace std;

int binary(int N)
{
    static int num = 0;
    if (N != 0)
    {
        binary(N/2);

        if (N % 2 == 1)
        {
        num++; 

        }   
    }
    return num;
}
int main()
{
int number;
cout << "Please enter a number that is greater or equal to 0: ";
cin >> number;
cout <<  binary(number);
}