N = int(input())
points = [int(x) for x in input().split()]
points = sorted(list(set(points)),key=points.index)
if len(points) < N:
    min_distance = 0
else:
    min_distance = float("inf")
    for i in range(len(points) - 1):
        temp = abs(points[i + 1] - points[i])
        min_distance = min(min_distance,temp)

max_distance = abs(points[-1] - points[0])
print(min_distance)
print(max_distance)