Write a program to accept two integers from the keyboard. Using malloc, save them in a single memory block. Print the numbers and their average without using a temporary variable. Modify Program C16.2...

Write a program to accept two integers from the keyboard. Using malloc, save them in

a single memory block. Print the numbers and their average without using a temporary variable.

Modify Program C16.2 one to accept the integers as command-line arguments. Include error

checking to ensure that two arguments are provided by the user.