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  1. #include <iostream>
  2. using namespace std;
  3.  
  4. void FastIO(){
  5.  
  6.      ios_base::sync_with_stdio(false), cin.tie(0), cout.tie(0);
  7.     freopen("input.txt", "r", stdin), freopen("output.txt", "w", stdout);
  8. };
  9.  
  10.  
  11. int main(){
  12.      FastIO();  
  13.      int a,b;
  14.      char ch;
  15.      cin>>a>>ch>>b;
  16.      switch(ch)
  17.      {
  18.       case '+':
  19.       cout<<a+b;
  20.       break;
  21.       case '-':
  22.       cout<<a-b;
  23.       break;
  24.       case '*':
  25.       cout<<a*b;
  26.       break;
  27.       case '/':
  28.       cout<<a/b;
  29.       break;
  30.      }
  31. return 0;   
  32. }
Success #stdin #stdout 0s 5284KB
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Standard output is empty
https://ideone.com/HY2jhe
language:
C++ 4.3.2 (gcc-4.3.2)
created:
7 days ago
visibility:
public

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