一本通1057；简单计算器（2）

#include 
using namespace std;
int main()
{
    int x, y;
    char c;
    cin >> x >> y >> c;
    switch (c)
    {
        case '+': cout << x + y; break;
        case '-': cout << x - y; break;
        case '*': cout << x * y; break;
        case '/':
            switch (y)
            {
                case 0: cout << "Divided by zero!"; return 0;
                default:cout << x / y; return 0;
            }
        default: cout << "Invalid operator!"; break;
    }
    return 0;
}