#define _USE_MATH_DEFINES
#include  <cmath>
#include <cstdio>
#include <vector>
#include <iostream>
#include <algorithm>
#include <string>
#include<math.h>
#include<iomanip>
#include<stdio.h>
#include <stdlib.h>
#include<stdio.h>
#include <queue>
#include<map>
#include <fstream>
#include <sstream>
#include<set>
#include<stack>
#include<time.h>
#include <sys/types.h>
#include <tuple>
#include <numeric>


typedef long long int ll;
//#include<bits/stdc++.h>


using namespace std;





int main()
{

    int Q;
    Q = 1;
    //cin >> Q;

    while (Q--) {
        ll n;
        cin >> n;
        vector<int>p(n);
        int m = 999999999;
        for (int i = 0; i < n; i++) {
            cin >> p[i];
            if (i)m = min(m, abs(p[i] - p[i - 1]));
        }
        cout << m << endl;
        cout << p[n - 1] - p[0];

    }
    return 0;
}