#include
int result;
char oper_char;
int value;
int main()
{
result = 0;
while (true) {
std::cout << "Result: " << result << '\n';
std::cout << "Enter operator and number: ";
std::cin >> oper_char >> value;
if ((oper_char == 'q') || (oper_char == 'Q'))
break;
switch (oper_char) {
case '+':
result += value;
break;
case '-':
result -= value;
break;
case '*':
result *= value;
break;
case '/':
if (value == 0) {
std::cout << "Error:Divide by zero\n";
std::cout << " operation ignored\n";
} else
result /= value;
break;
default:
std::cout << "Unknown operator " << oper_char << '\n';
break;
}
}
return (0);
}