#include <algorithm>
#include <cstdio>
#include <iostream>
#include <map>
#include <cmath>
#include <queue>
#include <set>
#include <sstream>
#include <stack>
#include <string>
#include <vector>
#include <stdlib.h>
#include <stdio.h>
#include <bitset>
#include <cstring>
#include <deque>
#include <iomanip>
#include <limits>
#include <fstream>
using namespace std;
#define FOR(I,A,B) for(int I = (A); I < (B); ++I)
#define CLR(mat) memset(mat, 0, sizeof(mat))
typedef long long ll;

int main()
{
  ios::sync_with_stdio(false);
  cin.tie(0);
  int N;
  cin >> N;
  int a[N];
  FOR(i,0,N)cin>>a[i];
  sort(a,a+N);
  int mn = 1e9, mx = 0;
  mx = a[N-1]-a[0];
  FOR(i,0,N-1) mn = min(mn, a[i+1]-a[i]);
  cout << mn << endl;
  cout << mx << endl;

}