Problem Description

Given $n$ and $n$ integers $a_i$, find the range of these $n$ integers. The range means the difference between the maximum value and the minimum value in a set of numbers.

Input Format

The first line contains a positive integer $n$, indicating the number of integers.

The second line contains $n$ integers $a_1, a_2 \dots a_n$, separated by spaces.

Output Format

Output an integer, representing the range of these $n$ integers.

6
4 1 5 1 4 1

4

Hint

Constraints: $1 \leq n \leq 100$, $0 \le a_i \le 1000$.

Translated by ChatGPT 5