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  1. #include <iostream>
  2. #include <cmath>
  3.  
  4. using namespace std;
  5.  
  6. int main() {
  7.  
  8.     string operation;
  9.     double number1, number2;
  10.  
  11.     cout << "Enter First Number: ";
  12.     cin >> number1;
  13.     cout << "Enter Operation (+, -, *, /): ";
  14.     cin >> operation;
  15.     cout << "Enter Second Number: ";
  16.     cin >> number2;
  17.  
  18.     if (operation == "+") {
  19.         cout << number1 + number2;
  20.     }
  21.     else if (operation == "_") {
  22.         cout << number1 - number2;
  23.     }
  24.     else if (operation == "*") {
  25.         cout << number1 * number2;
  26.     }
  27.     else if (operation == "/") {
  28.         cout << number1 / number2;
  29.     }
  30.     else {
  31.         cout << "Not a recognize operation!";
  32.     }
  33.  
  34.  
  35.  
  36.  
  37. 	return 0;
  38. }
Success #stdin #stdout 0.01s 5292KB
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stdin
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Standard input is empty
stdout
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Enter First Number: Enter Operation (+, -, *, /): Enter Second Number: Not a recognize operation!
https://ideone.com/Nk6d3J
language:
C++ (gcc 8.3)
created:
3 days ago
visibility:
public

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