Given a positive integer N, you should output the most right digit of N^N.
Input
The input contains several test cases. The first line of the input is a single integer T which is the number of test cases. T test cases follow.
Each test case contains a single positive integer N(1<=N<=1,000,000,000).
Output
For each test case, you should output the rightmost digit of N^N.
Sample Input
2 3 4
Sample Output
7 6
Hint
In the first case, 3 * 3 * 3 = 27, so the rightmost digit is 7. In the second case, 4 * 4 * 4 * 4 = 256, so the rightmost digit is 6.
#include<stdio.h>
typedef long long ll;
ll quick(ll a,ll b,int mod)
{
ll ans=1;
while(b)
{
if(b&1)
ans=ans*a%mod;
a=a*a%mod;
b=b>>1;
}
return ans;
}
int main()
{
int N;
scanf("%d",&N);
while(N--)
{
ll num;
scanf("%lld",&num);
int x=quick(num,num,10);
printf("%d\n",x);
}
return 0;
}