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  1. #include <iostream>
  2. #include <limits>
  3. using namespace std;
  4.  
  5. int main() {
  6. 	cout << "Enter integer: ";
  7.  
  8. 	int x;
  9. 	while (!(cin >> x))
  10. 	{
  11. 	    cin.clear();
  12. 	    cin.ignore(numeric_limits<std::streamsize>::max(), '\n');
  13. 	    cout << "Please enter integer: \n";
  14. 	}
  15.  
  16. 	cout << "Got integer " << x << '\n';
  17. 	return 0;
  18. }
  19.  
Success #stdin #stdout 0s 3460KB
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stdin
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foo
123
stdout
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Enter integer: Please enter integer: 
Got integer 123
https://ideone.com/tQ7GoP
language:
C++14 (gcc 8.3)
created:
8 years ago
visibility:
public

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