Rust Taskbook Level 2.3

Задание 1

Given an array of integers:

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

Find the sum of the squares of the elements of this array.

Задание 2

Given an array of integers:

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

Find the arithmetic mean of this array.

Задание 3

Given some integer:

rustlet num: u16 = 12345;

Display its first three digits in the console.

Задание 4

Given an array:

rustlet arr: [u8; 10];

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