Array in C++

Question 1: Write a C++ program to perform the following operations on an array:

Declare and initialize an array of 5 integers.

Access and print each element using a loop.

Modify the third element of the array. Print the modified array.

Question 2: Write a C++ program to:

Declare and initialize an array of 10 integers.

Calculate and print the sum of all elements.

Calculate and print the average of all elements.

Question 3: Write a C++ program to:

Declare and initialize an array of 5 integers.

Reverse the elements of the array.

Print the reversed array.