Rust Taskbook Level 7.9

Make a function that will return how many days are left until the nearest 29 February.

Create a function that will return the date of the next Maslenitsa, which is celebrated on the last Sunday of winter.

Make a function that will return a random color.

Make a function that takes an array of numbers as a parameter and returns an array of common divisors of all numbers from the passed array.

Create a function that takes a two-dimensional array of numbers as a parameter and returns an array of the maximum numbers in each subarray.