$($Find the index of the largest element$)$ Write a C$++$ function that returns the index of the

largest element in an array of numbers. If the largest element occurs more than once

in the array, return the largest index. Using the following header:

int indexOfLargestElement$($double array$[],$ int size$)$

Write a test program that prompts the user to enter $10$ numbers, invokes this function

to return the index of the largest element, and displays that index.