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  1. #include <iostream>
  2.  
  3. using namespace std;
  4. int main(){
  5.     int choice=0; 
  6.  
  7.     bool isUsed1=false, isUsed2=false;
  8.  
  9.     while (true){
  10.         cout << "Choose a number 1 or 2: ";
  11.         cin >> choice;
  12.  
  13.         if (choice == 1){
  14.             isUsed1 = true;
  15.         }
  16.         else {
  17.             isUsed2 = true;
  18.         }
  19.  
  20.         if (isUsed1 == true && isUsed2==true){
  21.             break;
  22.         }
  23.     }
  24.  
  25.  
  26.  return 0;
  27. }
  28.  
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https://ideone.com/7D8iA
language:
C++ (gcc 8.3)
created:
12 years ago
visibility:
public

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