I need to write a c++ program where the username portion of a registration system requires usernames to be unique. If a new user requests a name that is already used, an

integer should be added to the end of the usernae to make it unique. The numbering begins at 1 and is incremented by 1 for each new instance of the user name.

example : if the username requests were for bob,alice,bob,alice, bob, alice - the system should assign usernames bob, alice, bob1 , alice1, bob2, alice2