Question #$1$:

$(7$ Points$)$

Write a $C++$ program that declares an array of ten integer values and includes the following functions:

A function to print the frequency of the smallest value in the array.

A function to return an array having the counts of digits of each element in the array.

A function to return the greatest sum of values of all possible subarrays.

function that returns the maximum prime numbers within the array. If the array does not contain any prime numbers, replace the smallest number with the next prime number following the maximum value in the array.