n = int(input())
a = [int(i) for i in input().split(' ')]
a.sort()
max = a[-1] - a[0]
min = a[1] - a[0]
for i in range(len(a)):
    if i !=0:
        if min > a[i] - a[i-1]:
            min = a[i] - a[i-1]

print(min)
print(max)