PROGRAMMING:Maximum and minimum
Given a positive integer n, then enter n positive integers (the input number is greater than or equal to 0, less than 1000).
Find out the maximum and minimum of them, output the maximum minus the minimum.
###Input format:
A positive integer n
Next, enter n consecutive positive integers
###Output format:
Enter the result of * * maximum minus * * minimum in the integer
###Input example:
```in
five
4 8 10 1 2
```
###Output example:
```out
nine
```
answer：If there is no answer, please comment
Find out the maximum and minimum of them, output the maximum minus the minimum.
###Input format:
A positive integer n
Next, enter n consecutive positive integers
###Output format:
Enter the result of * * maximum minus * * minimum in the integer
###Input example:
```in
five
4 8 10 1 2
```
###Output example:
```out
nine
```
answer：If there is no answer, please comment