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  1. #include<iostream>
  2. #include<cmath>
  3. using namespace std; 
  4.  
  5. int main() 
  6. { 
  7. 	short int t; 
  8. 	cin>>t; 
  9. 	if(t<=30) 
  10. 	{
  11. 		while(t-- ) 
  12. 		{
  13. 			short int a; 
  14. 			short int r=0; 
  15. 			long long int b,c; 
  16. 			cin>>a>>b; 
  17. 			if(a==0 && b==0) 
  18. 			{ 
  19. 				break; 
  20. 			} 
  21. 			else if(b==0) 
  22. 			{ 
  23. 				cout<<"1\n"; 
  24. 			} 
  25. 			else if(a==0) 
  26. 			{ 
  27. 				cout<<"0\n"; 
  28. 			} 
  29. 			else 
  30. 			{ 
  31. 				r=b%4; 
  32. 				if(r==0) 
  33. 				{ 
  34. 					c=a%2; 
  35. 					if(c==0) 
  36. 						cout << "6\n"; 
  37. 					else if(c==1) 
  38. 						cout<<"1\n"; 
  39. 				} 
  40. 				else
  41. 				{ 
  42. 					c = pow(a,r); 
  43. 					c = c%10; 
  44. 					cout << c << endl; 
  45. 				} 
  46. 			} 
  47. 		} 
  48. 	} 
  49. 	return 0; 
  50. }
Success #stdin #stdout 0s 2688KB
comments ()
stdin 
3
20 2147483000
10 2147483000
15 2147483000
stdout 
6
6
1
https://ideone.com/ys696W
language:
C++ 4.3.2 (gcc-4.3.2)
created:
10 years ago
visibility:
secret

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