#include <bits/stdc++.h>

using namespace std;

int main() {
    int n;
    cin >> n;

    vector<int> vt(n);
    for (int i = 0; i < n; ++i) {
        cin >> vt[i];
    }

    sort(vt.begin(), vt.end());
    auto ansMin = (int) 1e6;
    for (int i = 0; i + 1 < n; ++i) {
        ansMin = min(ansMin, vt[i + 1] - vt[i]);
    }

    cout << ansMin << endl;
    cout << vt[n - 1] - vt[0] << endl;
    return 0;
}