#include <bits/stdc++.h>
#include <atcoder/all>
using namespace std;
using namespace atcoder;
typedef long long ll;
typedef pair<ll,ll> P;
typedef modint1000000007 mint;
#define rep(i,a,b) for(ll i=a;i<b;i++)
#define rrep(i,a,b) for(ll i=a;i>=b;i--)
ll n;
ll a[1005];
ll m=1e18,M=0;
int main(void){
    cin.tie(0);
    ios::sync_with_stdio(0);
    cin>>n;
    rep(i,0,n){
        cin>>a[i];
    }
    rep(i,0,n){
        rep(j,0,n){
            if(i==j) continue;
            m=min(m,abs(a[i]-a[j]));
            M=max(M,abs(a[i]-a[j]));
        }
    }
    cout<<m<<endl<<M<<endl;

}