C++ Taskbook Level 7.3

Create a function that takes an array as a parameter and returns a new array that does not contain duplicate elements.

Create a function that will take an array as a parameter and return a new array that does not contain identical, adjacent elements.

Create a function that takes an integer as its first parameter and returns the number of its digits specified by the second parameter.

Make a function that takes a number as a parameter and checks whether it is prime or not.

Create a function that takes an array of numbers as a parameter and returns the maximum and minimum values ​​from that array as the following array: