数学_二分幂取模(HDU_1061)

#include <stdio.h>
#include <string.h>

int main(int argc, char* argv[])
{
    #ifdef __MYLOCAL
    freopen("in.txt","r",stdin);
    #endif

    int t,n;
    scanf("%d",&t);
    while(t--)
    {
        scanf("%d",&n);
        int all = 1, a = n % 10;
        while(n > 0)
        {
            n % 2 == 1 ? all = all * a % 10 : NULL;
            n >>= 1;
            a = a * a % 10;
        }
        printf("%d\n",all);
    }

    return 0;
}