n = int(input())
A = list(map(int, input().split()))

A.sort()
min_d, max_d = 10**10, 0
for i in range(n):
    for j in range(i + 1, n):
        min_d = min(min_d, A[j] - A[i])
        max_d = max(max_d, A[j] - A[i])
print(min_d)
print(max_d)