#include<iostream>
#include<algorithm>
#include<vector>
#include<cmath>
using ll = long long;
using namespace std;
int main(){
	ll N,m=10000000,M;
	cin >> N;
	vector<ll> a(N);
	for(ll i=0;i<N;i++)	cin >> a[i];
	sort(a.begin(),a.end());
	for(ll i=1;i<N;i++)	m = min(m,abs(a[i]-a[i-1]));
	M = abs(a[0]-a[N-1]);
	cout << m << "\n" << M << "\n";
	return 0;
}