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  1. #include <iostream>
  2. #include <cstdlib>
  3. using namespace std;
  4. int D;
  5. long long int a,b;
  6. int main()
  7. {
  8.     cin >> D;
  9.     cout << endl;
  10.     for (int i=0; i<D; i++)
  11.     {
  12.         cin >> a >> b;
  13.         int last = a%10;
  14.         int lastb =b%10;
  15.         if (lastb%4==1)
  16.             cout << endl << last<< endl;
  17.         else if (lastb%4==2)
  18.             cout<< endl  << (a*a)%10<< endl;
  19.         else if (lastb%4==3)
  20.         {
  21.             int  pot = 1;
  22.             for (i=1; i<=lastb; i++)
  23.                 pot=pot*last;
  24.             cout<< endl << pot%10<< endl;
  25.         }
  26.         else if (lastb%4==0)
  27.         {
  28.             if (a==5)
  29.                 cout<< endl << a << endl;
  30.             else if (a%2==0)
  31.                 cout<< endl << 6<< endl;
  32.             else
  33.                 cout<< endl << 1<< endl;
  34.         }
  35.  
  36.  
  37.     }
  38.     return 0;
  39. }
  40.  
Success #stdin #stdout 0s 3460KB
comments (?)
stdin 
3
2 3
3 3
1000000000 222222222
stdout 

8
https://ideone.com/D60YbK
problem PA05_POT, based on SPOJ submission 16028348 (C++ 5), 2016-01-07 07:52:17
language:
C++ (gcc 8.3)
created:
9 years ago
visibility:
secret

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