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  1. #include <iostream>
  2. using namespace std;
  3.  
  4. int main() {
  5. 	int sets, number, power, powerBase;
  6.  
  7. 	cin >> sets;
  8.  
  9. 	for (int i = 0; i < sets; i++)
  10. 	{
  11. 			cin >> number >> power;
  12.  
  13. 			powerBase = number;
  14.  
  15. 		if (number % 10 == 0)
  16. 		{
  17. 			cout << 0 << endl;
  18. 		}
  19. 		else
  20. 		{
  21. 			for (int y = 1; y < power; y++)
  22. 			{
  23. 				number *= powerBase;
  24. 			}
  25. 			cout << number % 10 << endl;
  26. 		}
  27. 	}
  28. 	return 0;
  29. }
Success #stdin #stdout 0s 4360KB
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https://ideone.com/LANJcR
language:
C++ (gcc 8.3)
created:
4 years ago
visibility:
public

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