【GESP】C++一级练习BCQM3055，4位数间隔输出

1#include <iostream>
2using namespace std;
3int main() {
4    int j;
5    cin >> j;
6    int a, b, c, d;
7    a = j % 10;
8    b = j / 10 % 10;
9    c = j / 10 / 10 % 10;
10    d = j / 10 / 10 / 10;
11    cout << d << " " << c << " " << b << " " << a;
12    return 0;
13}