N = int(input())
points = list({int(x) for x in input().split()})
if len(points) < N:
    min_distance = 0
else:
    min_distance = points[1] - points[0]

max_distance = points[1] - points[0]
for i in range(len(points) - 1):
    pi = points[i]
    for j in points[i + 1:]:
        temp = abs(j - pi)
        max_distance = max([max_distance,temp])
        min_distance = min(min_distance,temp)

print(min_distance)
print(max_distance)