Rust Taskbook Level 2.4

Задание 1

Given some integer:

rustlet num: u16 = 12345;

Print its last three digits to the console.

Задание 2

Given an array of numbers:

rustint arr[] = [1, 2, 3, 4, 5];

Find the sum of the square roots of the elements of this array.

Задание 3

Given an array of numbers:

rust[1, 2, 3, 4];

Double each element of this array:

rust[2, 4, 9, 8];

Задание 4

Given an array:

rustlet arr: [u8; 10];

Use a loop to fill this array with integers from 10 to 1.