Write a test program that prompts the user to enter a number and its width and displays a string returned by invoking format (number, width, res).

Write a C++ function with the following header to format the integer with the specified width. Void format(int number, int width, char [] res) The function returns a string (res) for the number with one or more prefix 0s. The size of the string is the width. For example, format(34, 4, res) returns res as […]