#include<iostream>
#include<math.h>
#include<string.h>
#include<vector>
#include<algorithm>
#include<iomanip>
#include<deque>
using namespace std;

int main(){
	int n;
	cin >> n;
	vector<int> d(n);
	for(int i=0;i<n;i++){
		cin >> d[i];
	}
	sort(d.begin(),d.end());
	int mx=d[n-1]-d[0];
	
	int mi=999999999;
	for(int i=0;i<n-1;i++){
		mi=min(mi,d[i+1]-d[i]);
	}
	cout << mi << endl << mx << endl;
	return 0;
}