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  1. #include<iostream>
  2. using namespace std;
  3. long long int reverse(long long int);
  4. int main()
  5. {long long int t=0;
  6. 	cin>>t;
  7. 	while(t--)
  8. 	{long long int a=0,b=0,sum=0;
  9. 		cin>>a>>b;
  10. 		a=reverse(a);
  11. 		b=reverse(b);
  12. 		if(a>b)
  13. 		{long long int q=0,w=0,temp=0;
  14. 			while(a!=0)
  15. 			{
  16. 				q=a%10;
  17. 				w=b%10;
  18. 				temp=q+w;
  19. 				if(temp>=10)
  20. 				temp=temp%10;
  21. 				sum=sum*10+temp;
  22. 			a=a/10;
  23. 			b=b/10;
  24.  
  25. 			}
  26. 		}
  27. 		else
  28. 		{long long int q=0,w=0,temp=0;
  29. 			while(b!=0)
  30. 			{
  31. 				q=a%10;
  32. 				w=b%10;
  33. 				temp=q+w;
  34. 				if(temp>9)
  35. 				temp=temp%10;
  36. 				sum=sum*10+temp;
  37. 			a=a/10;
  38. 			b=b/10;
  39.  
  40. 			}	
  41. 		}
  42. 		cout<<sum<<endl;
  43. 	}
  44. }
  45. long long int reverse(long long int x)
  46. {long long int temp=0,rev=0;
  47. if(x<10)
  48. return(x*10);
  49. else
  50. {
  51.  
  52. 	while(x!=0)
  53. 	{
  54. 		temp=x%10;
  55. 		rev=rev*10+temp;
  56. 		x=x/10;
  57. 	}
  58. 	return(rev);
  59. }
  60. } 
  61.  
Success #stdin #stdout 0s 16064KB
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https://ideone.com/lQq1Hv
language:
C++14 (gcc 8.3)
created:
6 years ago
visibility:
secret

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