Rust Taskbook Level 9.1
Given an integer:
let num: u16 = 12345;
Find the smallest and largest digits in this number.
Given some URL:
let url: &str = "http://test.com/dir1/dir2/dir3/page.html";
Get the domain name from it:
"test.com"
Given an array:
[
[2, 4, 5],
[1, 2, 3],
[0, 1, 1],
[5, 7, 1],
}
Sort the array elements in ascending order of the sum of the subarray elements.
