题目.

#include<bits/stdc++.h>
using namespace std;
int a[110000];
int main(){
	freopen("mistake.in","r",stdin);
	freopen("mistake.out","w",stdout);
	int n;
	cin>>n;
	for(int i=1;i<=n;i++){
		cin>>a[i];
	}
	long long Max=-1,Min=1000000000000000000,sum=0;
	for(int i=1;i<=n;i++){
		for(int j=1;j<=n;j++){
			if(i==j){
				sum+=a[j];
			}
			else {
				sum^=a[j];
			}
		}
		Max=max(Max,sum);
		Min=min(Min,sum);
		sum=0;
	}
	cout<<Min<<" "<<Max;
	return 0;
}