the first two pictures are the assignment and the third one is what i was trying to do but i dont know how to use unorded set or map I'm pretty sure im way off?

ginserver.cpp hw14 2380.pdf Cloginserver.h x #ifndef LOGINSERVERH #define LOGINSERVER.H #include #include - using namespace std; class LoginServer public: // Creates a new server with no accounts. LoginServer) /I Adds a user to the systen with the /i parameter username and password. I/ Returns false if the LoginServer already has an /I account with the parameter username. Otherwise returns true. bool create_user(string username, string password); I/ Deletes a user from the system with the specified info. I/ Returns true if the parameter information was valid // (and the user was successfully deleted). // Otherwise returns false. bool delete user(string username, string passvord): /1 Returns the total number of accounts in the system. int total user_count ); /I Tries to log in a user. /I Returns true if there is a user with this password // that is not already logged in (i.e. whether login occurred). // 0therwise returns false. boot Login(string username, string password)i 5 16 17 38 9 ?? 41 // Tries to log out a user. // Returns true if a user with this user name was logged in. // 0therwise returns false. bool Logout (string username)i OUTPUT DEBUG CONSOLE it installation not found