#include <bits/stdc++.h>

using namespace std;

int main() {
    int n;
    vector<int> v;
    
    cin >> n;
    
    int tmp;
    for (int i = 0; i < n; i++) {
        cin >> tmp;
        v.push_back(tmp);
    }
    
    sort(v.begin(), v.end());
    
    int mx = v[n - 1] - v[0];
    int mn = 200010;
    for (int i = 0; i < n - 1; i++) {
        mn = min(v[i + 1] - v[i], mn);
    }
    
    cout << mn << endl << mx << endl;
    
    return 0;
}