import sys
read = sys.stdin.buffer.read
readline = sys.stdin.buffer.readline
readlines = sys.stdin.buffer.readlines
sys.setrecursionlimit(10 ** 7)

n = int(readline())
a = list(map(int, readline().split()))
a.sort()
m = float('inf')
for bf, af in zip(a, a[1:]):
    m = min(m, abs(af - bf))
print(m)
print(abs(a[-1] - a[0]))