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  1. #include <iostream>
  2. using namespace std;
  3.  
  4. int main() 
  5. {
  6. 	int r = -1;
  7. 	int c = -1;
  8. 	bool valid = false;
  9. 	do
  10. 	{
  11. 	    cout<<"Insert coordinates: ";
  12. 	    if (cin >> r >> c)
  13. 	    {
  14. 	        if (r >= 0 && r <= 10 && c >= 0 && c <= 10)
  15. 	        {
  16. 	            valid = true;
  17. 	        }
  18. 	    }
  19. 	    else
  20. 	    {
  21. 	    	cin.clear();
  22. 	    	cin.ignore();
  23. 	    }
  24.  
  25. 	    if (!valid)
  26. 	    {
  27. 	        cout << "ERROR:  Number of row and column must be an integer between 0 and 10." << endl;
  28. 	    }
  29. 	} while (!valid);
  30.  
  31. 	cout << "You entered (" << r << ", " << c << ")" << endl; 
  32.  
  33. 	return 0;
  34. }
Success #stdin #stdout 0s 3300KB
comments (?)
stdin 
11 12 a b 1 5
stdout 
Insert coordinates: ERROR:  Number of row and column must be an integer between 0 and 10.
Insert coordinates: ERROR:  Number of row and column must be an integer between 0 and 10.
Insert coordinates: ERROR:  Number of row and column must be an integer between 0 and 10.
Insert coordinates: You entered (1, 5)
https://ideone.com/NHLD0H
language:
C++14 (gcc 8.3)
created:
10 years ago
visibility:
public

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