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  1. # include <iostream>
  2. using namespace std;
  3.  
  4. int main() {
  5.  
  6.   char op;
  7.   float num1, num2;
  8.  
  9.   cout << "Enter operator: +, -, *, /: ";
  10.   cin >> op;
  11.  
  12.   cout << "Enter two operands: ";
  13.   cin >> num1 >> num2;
  14.  
  15.   switch(op) {
  16.  
  17.     case '+':
  18.       cout << num1 << " + " << num2 << " = " << num1 + num2;
  19.       break;
  20.  
  21.     case '-':
  22.       cout << num1 << " - " << num2 << " = " << num1 - num2;
  23.       break;
  24.  
  25.     case '*':
  26.       cout << num1 << " * " << num2 << " = " << num1 * num2;
  27.       break;
  28.  
  29.     case '/':
  30.       cout << num1 << " / " << num2 << " = " << num1 / num2;
  31.       break;
  32.  
  33.     default:
  34.       // If the operator is other than +, -, * or /, error message is shown
  35.       cout << "Error! operator is not correct";
  36.       break;
  37.   }
  38.  
  39.   return 0;
  40. }
  41.  
Success #stdin #stdout 0.01s 5516KB
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stdin
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Standard input is empty
stdout
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Enter operator: +, -, *, /: Enter two operands: Error! operator is not correct
https://ideone.com/ofpBpO
language:
C++ (gcc 8.3)
created:
1 year ago
visibility:
public

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