fork download
copy 
  1. #include <iostream>
  2. using namespace std;
  3. int toPower(int number, int power);
  4.  
  5. int main() {
  6. 	int sets, number, power, powerBase, result;
  7.  
  8. 	cin >> sets;
  9.  
  10. 	for (int i = 0; i < sets; i++)
  11. 	{
  12. 		cin >> number >> power;
  13.  
  14. 		powerBase = number;
  15.  
  16. 		if (power <= 4)
  17. 		{
  18. 			cout << (toPower(number, power) % 10) << endl;
  19. 		}
  20.  
  21. 		if (power > 4)
  22. 		{
  23. 			int n = 3;
  24.  
  25. 			for (int y = 5; y <= power; y++)
  26. 			{
  27. 				n++;
  28. 				if (n > 3)
  29.  
  30. 				{
  31. 					n = 0;
  32. 				}
  33. 			}
  34. 			cout << toPower(number, n+1) % 10 << endl;
  35. 		}
  36. 	}
  37. 	return 0;
  38. }
  39.  
  40. int toPower(int number, int power)
  41. {
  42. 	int result = number;
  43.  
  44. 	for (int i = 2; i <= power; i++)
  45. 	{
  46. 		result = result * number;
  47. 	}
  48.  
  49. 	return result;
  50. }
Success #stdin #stdout 0s 4364KB
comments (?)
stdin
copy 
Standard input is empty
stdout
copy 
Standard output is empty
https://ideone.com/PQlyGV
language:
C++ (gcc 8.3)
created:
4 years ago
visibility:
public

Share or Embed source code

Discover > Sphere Engine API

The brand new service which powers Ideone!

Discover > IDE Widget

Widget for compiling and running the source code in a web browser!