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  1. #include <bits/stdc++.h>
  2. using namespace std;
  3.  
  4. int main() {
  5. 	// your code goes here
  6. 	int t;
  7. 	cin>>t;
  8. 	while(t--)
  9. 	{
  10. 		int a,b,u;
  11. 	    unsigned long long res,final;
  12. 		cin>>a>>b;
  13. 		int temp=a;
  14. 		u=temp%10;
  15. 	    res=(double)pow(u,b);
  16. 		final=fmod(res,10);
  17. 		cout<<final<<"\n";
  18. 	}
  19. 	return 0;
  20. }
Success #stdin #stdout 0s 3300KB
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stdin
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5
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2 100
2 101
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stdout
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0
0
0
0
0
https://ideone.com/6g7pcd
language:
C++ (gcc 8.3)
created:
9 years ago
visibility:
public

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