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  1. #include <iostream>
  2. using namespace std;
  3.  
  4. int main() {
  5.     double a, b;
  6.     char op;
  7.     cin >> a >> op >> b;
  8.  
  9.     if (op == '+')
  10.         cout << a + b;
  11.     else if (op == '-')
  12.         cout << a - b;
  13.     else if (op == '*')
  14.         cout << a * b;
  15.     else if (op == '/')
  16.         cout << a / b;
  17.     else
  18.         cout << "error";
  19.  
  20.     return 0;
  21. }
  22.  
  23.  
Success #stdin #stdout 0.01s 5288KB
comments (?)
stdin 
Standard input is empty
stdout 
error
https://ideone.com/hisI2S
language:
C++ (gcc 8.3)
created:
3 days ago
visibility:
public

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