#include <iostream>
int main()
{
char o;
float num1,num2;
cout<<"Select an operator either + or - or * or / :\n";
cin>>o;
cout<<"Enter two operands: ";
cin>>num1>>num2;
switch(o) {
case '+':
cout<<num1<<" + "<<num2<<" = "<<num1+num2;
break;
case '-':
cout<<num1<<" - "<<num2<<" = "<<num1-num2;
break;
case '*':
cout<<num1<<" * "<<num2<<" = "<<num1*num2;
break;
case '/':
cout<<num1<<" / "<<num2<<" = "<<num1/num2;
break;
default:
/* If operator is other than +, -, * or /, error message is shown */
printf("Error! operator is not correct");
break;
}
return 0;
}
INPUT
Select an operator either + or - or * or / : +
Enter two operands : 45
35
OUTPUT
45 + 35 = 80