A. Arpa’s hard exam and Mehrdad’s naive cheat 1000 / 数论 找规律

Posted 2021-10-07 幽殇默

https://codeforces.com/problemset/problem/742/A

#include<bits/stdc++.h>
using namespace std;
int ans[25]={0,8,4,2,6,8,4,2,6};
int main(void)
{
	int n; cin>>n;
	if(n)cout<<ans[n%4+4];
	else cout<<1; 
	return 0;
}