Write a C$++$ program that will implement the following tasks to help students understand how to pass an array as a parameter to a function. Make sure to use appropriate variable types and display the results clearly.

Array Input:

a$)$ Write a function that takes an integer array and its size as parameters.

b$)$ Inside the function, prompt the user to enter integer values for each element of the array.

c$)$ Use a loop to read and assign the values to the array elements.

d$)$ Call the function from the main function and pass an array as an argument.

e$)$ Print the array elements to verify that the input was correctly stored.

Array Output:

a$)$ Write a function that takes an integer array and its size as parameters.

b$)$ Inside the function, use a loop to display the elements of the array.

c$)$ Call the function from the main function and pass an array as an argument.

d$)$ Verify that the array elements are correctly displayed.

Array Modification:

a$)$ Write a function that takes an integer array and its size as parameters.

b$)$ Inside the function, use a loop to multiply each element of the array by a constant value $($e$.$g$.,2).$

c$)$ Call the function from the main function and pass an array as an argument.

d$)$ Print the modified array to verify that the elements were correctly updated.

Array Sum:

a$)$ Write a function that takes an integer array and its size as parameters.

b$)$ Inside the function, calculate and return the sum of all the elements in the array.

c$)$ Call the function from the main function and pass an array as an argument.

d$)$ Print the sum of the array elements to verify the correctness of the function.

Array Search:

a$)$ Write a function that takes an integer array, its size, and a target value as parameters.

b$)$ Inside the function, search for the target value in the array using a loop.

c$)$ If the target value is found, return the index of its first occurrence; otherwise, return $-1.$

d$)$ Call the function from the main function and pass an array and a target value as arguments.

e$)$ Print the index if the target value is found, or print a suitable message if it is not found.

Note: You are encouraged to use appropriate variable names, comments, and proper indentation in your code for better readability.