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  1. #include <iostream>
  2. #include <sstream>
  3. #include <string>
  4. using namespace std;
  5.  
  6.  
  7. int main()
  8. {
  9.  
  10.     int D;
  11.  
  12.     cin>>D;
  13.  
  14.     for(int i=0; i<D; i++)
  15.     {
  16.     unsigned long long a, b;
  17.  
  18.         //cin.clear();
  19.        // cin.sync();
  20.  
  21.     cin>>a>>b;
  22.     unsigned long long wynik=1;
  23.  
  24.     if(a==0) cout << 0<<endl;
  25.     if(b==0) cout<<1<<endl;
  26.     else
  27.     {
  28.  
  29.         for(int j=0; j<b; j++)
  30.             {
  31.                 wynik=wynik*a;
  32.             }
  33.     }
  34.             // << "wynik: "<< wynik << endl;
  35.  
  36.     string ost_cyfra;
  37.     stringstream ss;
  38.     ss<<wynik;
  39.     ss>>ost_cyfra;
  40.     int dlugosc=ost_cyfra.length();
  41.  
  42.     cout << ost_cyfra[dlugosc-1]<<endl;
  43.  
  44.     }
  45.  
  46.  
  47.  
  48.     return 0;
  49. }
  50.  
Success #stdin #stdout 0s 3468KB
comments (?)
stdin
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4
2 3
3 3
1000002 2
1 000 000 000 2
stdout
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8
7
4
1
1
https://ideone.com/5PTkk1
language:
C++14 (clang 8.0)
created:
9 years ago
visibility:
public

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