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  1. #include <iostream>
  2. using namespace std;
  3.  
  4. int main() {
  5. 	long long a,b;
  6.  
  7. 	while(cin >> a >> b)
  8. 	{
  9. 		if(a == 0 && b == 0)
  10. 		{
  11. 			break;
  12. 		}
  13.  
  14. 		int carry = 0;
  15. 		int carry_count = 0;
  16.  
  17. 		while(a>0||b>0)
  18. 		{
  19. 			int sum = a%10 + b%10 + carry;
  20. 			if(sum >= 10)
  21. 			{
  22. 				carry = 1;
  23. 				carry_count++;
  24. 			}
  25. 			else
  26. 			{
  27. 				carry = 0;
  28. 			}
  29. 			a = a/10;
  30. 			b = b/10;
  31. 		}
  32. 		if(carry_count == 0)
  33. 		{
  34. 			cout << "No carry operation.\n";
  35. 		}
  36. 		else if(carry_count == 1)
  37. 		{
  38. 			cout << "1 carry operation.\n";
  39. 		}
  40. 		else
  41. 		{
  42. 			cout << carry_count <<" carry operation.\n";
  43. 		}
  44.  
  45. 	}	
  46. 	return 0;
  47. }
Success #stdin #stdout 0s 5324KB
comments (?)
stdin
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123 456
555 555
123 594
0 0
stdout
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No carry operation.
3 carry operation.
1 carry operation.
https://ideone.com/x2zwz1
language:
C++14 (gcc 8.3)
created:
1 day ago
visibility:
public

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