#includeusing namespace std;
int main(){int x = 1;int n;int m = 1;cin >> n;for (int i = 1; i <= n; i++){x *= i;}for (int j = 10; j < x;){if (x% j ==0){cout << m << endl;}j *= 10;m += 1;
} return 0;
}
你想要的输出是什么