. An institute is going to organize a competition event. To look after smooth and successful execution of event, they are planning to build and maintain the record of the organizing team. The organizing team will be comprised of three different roles. Institute employee / Staff Team leads Volunteers Currently they are planning to execute the events Speed Programming, Logo design, Web Development and Quiz competition. In order to create and maintain the record efficiently your services are hired. Your task is to provide a system which can insert, modify and present the record in different manners. Following are the guideline which will be useful for the implementation. Data should be stored according to the role of the organizer. I.e. organizers having the role of employee should be stored in the start of list, after that team leads data and in the last volunteers data should be placed. Blacklisted organizers would not be allowed to register. System would not allow an organizer to register multiple times. Information of any organizer can be edited / deleted. Any organizer can be black list. Arrange the list according to the organizers event type i.e. speed programming logo designing etc. User can view full list of organizers. User can view list of organizers with the role type. (Role type will be provided by the user). make this using C++ language