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  1. #include <iostream>
  2.  
  3. using namespace std;
  4. int n, a ,b, wynik;
  5. long int potega(int a, int b)
  6. {
  7.     wynik=1;
  8.     while (b>0)
  9.     {
  10.         wynik=wynik*a;
  11.         b--;
  12.     } return wynik;
  13. }
  14. int main()
  15. {
  16.     cin>>n;
  17.     for(int i=1; i<=n; i++)
  18.     {
  19.         cin>>a>>b;
  20.         cout<<potega(a,b)%10<<endl;
  21.     }
  22.     return 0;
  23. }
  24.  
Success #stdin #stdout 0s 3468KB
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https://ideone.com/kHsTFO
language:
C++ (gcc 8.3)
created:
7 years ago
visibility:
public

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