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  1. #include <iostream>
  2.  
  3. using namespace std;
  4. int n;
  5. long a,b,ostatnia=0;
  6. int a2[]={6,2,4,8};
  7. int a3[]={1,3,9,7};
  8. int a4[]={6,4,6,4};
  9. int a5[]={5};
  10. int a6[]={6};
  11. int a7[]={1,7, 9, 3};
  12. int a8[]={6,8,4,2};
  13. int a9[]={1,9,1,9};
  14. int main()
  15. {
  16.     cin>>n;
  17.     for (int i=1; i<=n;i++)
  18.         {
  19.         cin>>a>>b;
  20.         a=a%10;
  21.         switch (a)
  22.             {
  23.                 case 0:
  24.                     {
  25.                         ostatnia=0;
  26.                     }
  27.                 case 1:
  28.                     {
  29.                        ostatnia=1;
  30.                     }
  31.                     break;
  32.                 case 2:
  33.                     {
  34.                         ostatnia=a2[b%4];
  35.                     }
  36.                 break;
  37.                 case 3:
  38.                    {
  39.                         ostatnia=a3[b%4];
  40.                     }
  41.                 break;
  42.                 case 4:
  43.                     {
  44.                         ostatnia=a4[b%4];
  45.                     }
  46.                 break;
  47.                 case 5:
  48.                     {
  49.                         ostatnia=5;
  50.                     }
  51.                 break;
  52.                 case 6:
  53.                    {
  54.                        ostatnia=6;
  55.                    }
  56.                 break;
  57.                 case 7:
  58.                     {
  59.                          ostatnia=a7[b%4];
  60.                     }
  61.                 break;
  62.                 case 8:
  63.                     {
  64.                          ostatnia=a8[b%4];
  65.                     }
  66.                 break;
  67.                 case 9:
  68.                     {
  69.                          ostatnia=a9[b%4];
  70.                     }
  71.                 break;
  72.             }
  73.             if(b==0)    ostatnia = 1;
  74.             cout<<ostatnia<<endl;
  75.  
  76.         }
  77.     return 0;
  78. }
  79.  
Success #stdin #stdout 0s 15240KB
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https://ideone.com/2TMH3G
language:
C++ (gcc 8.3)
created:
5 years ago
visibility:
public

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