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Nov 30th, 2019
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C++ 0.48 KB | None | 0 0
  1. #include <iostream>
  2. #include <cmath>
  3.  
  4. int main()
  5. {
  6.     int n;
  7.     unsigned long long int base, power;
  8.    
  9.     std::cin >> n;
  10.    
  11.     for (int i = 0; i < n; i++)
  12.     {
  13.         int result;
  14.         std::cin >> base >> power;
  15.        
  16.         //Potrzebna nam jest tylko ostatnia liczba podstawy
  17.         base %= 10;
  18.        
  19.         if (power > 0)
  20.         {
  21.             power %= 4;
  22.             if (power == 0) power = 4;
  23.            
  24.             result = pow(base, power);
  25.         }
  26.         else
  27.         {
  28.             result = 1;
  29.         }
  30.        
  31.         std::cout << result % 10 << std::endl;
  32.     }
  33.    
  34.     return 0;
  35. }
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