#include <bits/stdc++.h>
#define rep(i,n) for (int i=0; i<(n); ++i)
using namespace std;
using ll=long long;
int main(){
    int n;
    cin>>n;
    vector<int>a(n);
    rep(i,n){
        cin>>a[i];
    }
    int max1=0,min1=1e9;
    rep(i,n){
        rep(j,n){
            if(i!=j){
                max1=max(max1,abs(a[i]-a[j]));
                min1=min(min1,abs(a[i]-a[j]));
            }
        }
    }
    cout<<min1<<endl;
    cout<<max1<<endl;
}