#include <iostream>
#include <vector>
#include <string>
#include <utility>
#include <algorithm>
#include <climits>

using namespace std;

int main() {
    int n;
    cin >> n;
    vector a(n, 0);
    for (int i=0; i<n; i++) cin >> a[i];
    
    sort(a.begin(), a.end());
    
    int _max = abs(a.front() - a.back());
    int _min = INT_MAX;
    for (int i=1; i<n; i++) _min = min(_min, abs(a[i-1]-a[i]));
    cout << _min << endl << _max << endl;
}