编辑代码

#include <iostream>
using namespace std;
int main() {  
    int x;
    cin >> x;
    int a = x % 10;
    int b = (x % 100) / 10;
    int c = (x % 1000 - b * 10 - a) / 100;
    int d = (x % 10000 - c * 100 -b * 10 - a) / 1000;
    int e = (x % 100000 - d * 1000 - c * 100 - b * 10 - a) / 10000;
    int f = (x % 1000000 - e * 10000 - d * 1000 - c * 100 - b * 10 - a) / 100000;
    int g = (x % 10000000 - f * 100000 - e * 10000 - d * 1000 - c * 100 - b * 10 - a) / 1000000;
	cout << b + c + d + e + f + g + a << endl;
	return 0;
}