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#include <iostream>
#include <math.h>
using namespace std;

int main()
{
int n;
cin>>n;
int tab[n];
for (int i = 1 ; i <= n ; i++)
    {
       unsigned long long int a;
       unsigned long long int b;
        cin>> a >> b;
        double c = pow(a,b);
        unsigned long long int d = c;
        cout<<d%10<<endl;
    }
}
Runtime error #stdin #stdout 0.12s 3464KB
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https://ideone.com/iBWS8D
language:
C++14 (gcc 8.3)
created:
8 years ago
visibility:
public

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