You can make the following GET requests

/file/sample.html -- returns the content of the file sample.html

/json -- returns a json of the /random request

/random -- returns index.html

File Structure in www (you can use /file/www/FILENAME):

index.html
root.html

/sort

Sorts a comma-separated list of integers in ascending or descending order.

parameters:

numbers — a comma-separated list of integers (e.g. 5,3,9,1)
order — either asc or desc

Example: /sort?numbers=5,3,9,1&order=asc

/rectangle

Draws a rectangle using asterisks and calculates its area.

parameters:

length — width of each row, positive integer up to 50

width — number of rows, positive integer up to 50

Example: /rectangle?length=5&width=3