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  1. #include <iostream>
  2. using namespace std;
  3.  
  4. int main() {
  5. 	int number = -1;
  6. 	cout << "Enter a number: ";
  7. 	if (cin >> number)
  8. 	{
  9. 	     cout << number << " that's a number!" << endl;
  10. 	}
  11. 	else
  12. 	{
  13. 	     cout << "Not a number!" << endl;
  14. 	}
  15.  
  16. 	return 0;
  17. }
Success #stdin #stdout 0s 3300KB
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ajshdkajshds7
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Enter a number: Not a number!
https://ideone.com/Ku9fy0
language:
C++ (gcc 8.3)
created:
10 years ago
visibility:
secret

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