#include <bits/stdc++.h>
using namespace std;

int main() {
    int n;
    cin >> n;
    vector<int> a(n);
    for (auto &e : a) cin >> e;
    
    int ans1 = 1e9;
    for (int i = 0; i+1 < n; i++) ans1 = min(ans1, a[i+1] - a[i]);
    int ans2 = *max_element(a.begin(), a.end()) - *min_element(a.begin(), a.end());
    
    cout << ans1 << endl;
    cout << ans2 << endl;
    return 0;
}