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  1. #include <iostream>
  2. #include <limits>
  3.  
  4. using namespace std;
  5.  
  6. int main()
  7. {
  8. 	char userAnswer;
  9. 	while (1 /*user is not closing the program*/)
  10. 	{
  11. 		cout << "Make a decision? (y/n) " << endl;
  12. 		cin >> userAnswer;
  13. 		cout << "entered: '" << userAnswer << "'\n";
  14. 		userAnswer = tolower(userAnswer);
  15. 		if (userAnswer == 'y' || userAnswer == 'n')
  16. 			break;
  17.  
  18. 		cout << "You may only type 'y' or 'n'.\n";
  19. 		cin.ignore(numeric_limits<streamsize>::max(), '\n');
  20. 	}
  21. }
  22.  
Success #stdin #stdout 0s 16064KB
comments (?)
stdin 
hello
Y
stdout 
Make a decision? (y/n) 
entered: 'h'
You may only type 'y' or 'n'.
Make a decision? (y/n) 
entered: 'Y'
https://ideone.com/gjeaAQ
language:
C++ (gcc 8.3)
created:
8 years ago
visibility:
public

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