THIS PROGRAM IS TO BE DONE IN C++

Write a program that prompts the user for a positive integer. After the user enters the integer your program should compute the factorial of the number. Be sure to implement and use your own Factorial method/function! Example output would look like this: Enter a positive integer number: O factorial is 1 Continue (Y/y)? Enter a positive integer number: 4 factorial is 24 Continue (Y/y)? Enter a positive integer number: 5 factorial is 120 Continue (Y/y)