#include <bits/stdc++.h>
#define rep(i,n) for(int (i)=0;(i)<(n);(i)++)
using namespace std;
typedef long long ll;

int main(void){
  cin.tie(0);
  ios::sync_with_stdio(false);
  ll n;
  cin >> n;
  vector<ll> a(n);
  ll mi = 1000000000000;
  rep(i,n) cin >> a[i];
  sort(a.begin(),a.end());
  rep(i,n-1){
    mi = min(mi,abs(a[i]-a[i+1]));
  }
  cout << mi << endl;
  cout << abs(a[0]-a[n-1])<<endl;
  return 0;
}