import java.util.*;

public class Main {

    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        int n = sc.nextInt();
        List<Integer> list = new ArrayList<>();
        for(int i=0; i<n; i++) {
            list.add(sc.nextInt());
        }
        Collections.sort(list);
        printMin(list);
        printMax(list);
    }
    
    static void printMax(List<Integer> list) {
        int max = list.get(list.size()-1) - list.get(0);
        System.out.println(max);
    }
    
    static void printMin(List<Integer> list) {
        int min = list.get(list.size()-1) - list.get(0);
        for(int i=1; i<list.size(); i++) {
            min = Math.min(min, list.get(i) - list.get(i-1));
        }
        System.out.println(min);
    }
}