#!/usr/bin/env python3


import itertools
import sys


INF = sys.maxsize // 2


def min_max_dist(xs):
    mi, ma = INF, -INF
    for x, y in itertools.combinations(xs, 2):
        d = abs(y - x)
        mi = min(d, mi)
        ma = max(d, ma)
    return mi, ma


def main():
    _ = int(input())
    xs = [int(x) for x in input().split()]
    print(*min_max_dist(xs), sep="\n")


if __name__ == '__main__':
    main()