## DMOPC '19 Contest 1 P0 - Range Finding

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Points: 3
Time limit: 3.0s
Memory limit: 64M
Java 128M
Python 128M

Author:
Problem type

You are given numbers, . Output the range of this list. The range of a list of numbers is the difference between the largest and smallest values in this list.

In all tests,

#### Input Specifications

The first line contains one number, .
The second line contains spaced integers, , the numbers in this list.

#### Output Specifications

On one line, output the range of the numbers.

#### Sample Input

10
9 2 9 6 8 7 1 3 9 6

#### Sample Output

8