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Points:
3

Time limit:
3.0s

C#
1.4s

Java
1.4s

Python
1.4s

Memory limit:
64M

C#
128M

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.

#### Constraints

In all tests,

#### Input Specification

The first line contains one number, .

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

#### Output Specification

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`

## Comments