one-dimensional array: Write a C++ program that defines an array of integer intArray and find the sum and average of this integer array (no need to use functions) and write the needed code to swap...

one-dimensional array:
Write a C++ program that defines an array of integer
intArray
and find the sum and average of this integer array (no need to use functions) and write the needed code to swap between the first element and last element in array
intArray.