#include <bits/stdc++.h>
#define rep(i,n)for(long long i=0;i<(n);i++)
using namespace std;
typedef unsigned long long ull;
typedef long long ll;
const ll INF=1e18;
const int MOD=1e9+7;
const double pi=acos(-1);

int main(){
  int n;
  cin >> n;
  vector<ll>vec(n);
  rep(i,n) cin >> vec[i];
  sort(vec.begin(),vec.end());
  ll m=INF,M=vec[n-1]-vec[0];
  rep(i,n-1){
    m=min(m,vec[i+1]-vec[i]);
  }
  cout << m << endl;
  cout << M << endl;
}