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  1. #include <iostream>
  2. #include <stdio.h>
  3. using namespace std;
  4.  
  5. int main()
  6. {
  7.     unsigned D = 0;
  8.     cin >> D;
  9.     unsigned int a[D];
  10.     unsigned int b[D];
  11.  
  12.     for (unsigned char i=1; i<=D; i++)
  13.     {
  14.         cin >> a[i] >> b[i];
  15.     }
  16.  
  17.     for (unsigned char i=1; i<=D; i++)
  18.     {
  19.         int c=1;
  20.         if (b[i]!=0)
  21.         {
  22.         c=b[i]%4;
  23.  
  24.         switch(c)
  25.         {
  26.         case 0: cout << (a[i]*a[i]*a[i]*a[i])%10 << endl; break;
  27.         case 1: cout << (a[i])%10 << endl; break;
  28.         case 2: cout << (a[i]*a[i])%10 << endl; break;
  29.         case 3: cout << (a[i]*a[i]*a[i])%10 << endl; break;
  30.         }
  31.         }
  32.         else
  33.         {
  34.             cout << 1 << endl;
  35.         }
  36.     }
  37.  
  38.     getchar();
  39.     return 0;
  40. }
  41.  
Success #stdin #stdout 0s 3412KB
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stdout
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https://ideone.com/2Hwr5O
language:
C++ (gcc 8.3)
created:
7 years ago
visibility:
secret

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