import itertools

N = int(input().strip())

lst = [int(i) for i in input().strip().split(' ')]
lst = sorted(lst)

max = lst[len(lst) - 1] - lst[0]
min = max

for i in range(len(lst) - 1):
  if min > lst[i + 1] - lst[i]:
    min = lst[i + 1] - lst[i]

print(min)
print(max)