Write three different implementations of a function that finds the greatest number within an array. Write one function that is O(N2 ), one that is O(N log N), and one that is O(N). 1. Add a method to...

Write three different implementations of a function that finds the greatest number within an array. Write one function that is O(N2 ), one that is O(N log N), and one that is O(N). 1. Add a method to the classic LinkedList class that prints all the elements of the list.