#include "bits/stdc++.h"
using namespace std;

int main(){
int n;
cin >>n;
vector<int>a(n);
for(int i=0;i<n;i++){
    cin >> a.at(i);
}
sort(a.begin(),a.end());
int sasyou =10e7;
int saidai =abs(a.at(0)-a.at(n-1));
for(int i=1;i<n;i++){
    int x;
    x =abs(a.at(i-1)-a.at(i));
    sasyou = min(sasyou,x);
}
cout <<sasyou << endl << saidai <<endl;
}