Problems

# Difference between maximum and minimum

# Difference between maximum and minimum

Given **n** integers. Print the difference between the maximum and minimum number.

#### Input

First line contains number **n** (**1** ≤ **n** ≤ **100**). Second line contains **n** integers, each no more than **100** by absolute value.

#### Output

Print the difference between the maximum and minimum number.

Input example #1

7 0 -7 -13 14 -2 13 13

Output example #1

27