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  1. #include <iostream>
  2. #include <stack>
  3.  
  4. using namespace std;
  5.  
  6. int main()
  7. {
  8.  
  9. stack <int> stack1;
  10. int n;
  11. int arr[10];
  12. int j=0;
  13. string comd;
  14.  
  15.     cin>>n;
  16.  
  17.    for(int i=0; i<n; i++)
  18.     {
  19.         do
  20.         {
  21.             cin>>comd;
  22.  
  23.             if(comd=="+")
  24.                 {
  25.                     if(j<9)
  26.                     {
  27.                     cin>>arr[j];
  28.                     stack1.push(arr[j]);
  29.                     cout<<":)"<<endl;
  30.                     j++;
  31.                     }
  32.                     else cout<<":("<<endl;
  33.  
  34.                 }
  35.  
  36.             else if(comd=="-")
  37.             {
  38.                 if(stack1.size()==0) cout<<":("<<endl;
  39.  
  40.                 else
  41.                 {
  42.                     j--;
  43.                     cout<<arr[j]<<endl;
  44.                     stack1.pop();
  45.                 }
  46.  
  47.             }
  48.  
  49.         }while(true);
  50.  
  51.  
  52.     }
  53.  
  54. return 0;
  55. }
  56.  
Success #stdin #stdout 0s 3460KB
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https://ideone.com/G4P7cH
language:
C++ (gcc 8.3)
created:
9 years ago
visibility:
public

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