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  1. #include <iostream>
  2. using namespace std;
  3. int potega(int a, int b);
  4. int main()
  5. {
  6.     int D,c;
  7.     unsigned long int a,b;
  8.     cin >> D;
  9.     for(int i=0;i<D;i++){
  10.         cin >> a >> b;
  11.         int c = b%4;
  12.  
  13.         if(b>0 && c>0)
  14.             b=c;
  15.  
  16.        cout << potega(a,b)%10 << endl;
  17.  
  18.     }
  19.  
  20. }
  21. int potega(int a, int b){
  22.     if(b==0)
  23.         return 1;
  24.     else
  25.         return a=a*potega(a,--b);
  26. }
  27.  
  28.  
Success #stdin #stdout 0s 3472KB
comments (?)
stdin
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3
2 10
2 4
2 0
stdout
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4
6
1
https://ideone.com/aOTua3
language:
C++14 (gcc 8.3)
created:
8 years ago
visibility:
public

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