#include <stdio.h>
int main() {
char operator;
double num1, num2;
printf("Enter an operator (+, -, *, /): ");
scanf("%c", &operator);
printf("Enter two operands: ");
scanf("%lf %lf", &num1, &num2);
switch (operator) {
case '+':
printf("%.1lf + %.1lf = %.1lf", num1, num2, num1 + num2);
break;
case '-':
printf("%.1lf - %.1lf = %.1lf", num1, num2, num1 - num2);
break;
case '*':
printf("%.1lf %.1lf = %.1lf", num1, num2, num1 num2);
break;
case '/':
if (num2 != 0)
printf("%.1lf / %.1lf = %.1lf", num1, num2, num1 / num2);
else
printf("Error! Division by zero.");
break;
default:
printf("Error! Invalid operator.");
}
return 0;
}