各位，能不能提供点思路

Question

Answer 1

#include <iostream>
using namespace std;
int main()
{
    int num,sum = 0,count = 0;
    cin>>num;
    while(num){
        sum += num % 10;
        count++;
        num /= 10;
    }
    cout<<"位数："<<count<<endl;
    cout<<"和:"<<sum;
    return 0;
}