Three problems for c++

// Movie.h #ifndef MOVIE_H #define MOVIE_H #include <string> using namespace std; class Movie { string title, studio; long long boxOffice[3]; short rank[3], releaseYear; enum unit {WORLD, US, NON_US}; public: Movie(); Movie(string); string getTitle(); string getStudio(); string toString(); long long getWorldBoxOffice(); long long getUSBoxOffice(); long long getNonUSBoxOffice(); int getWorldRank(); int getUSRank(); int getNonUSRank(); int getReleaseYear(); }; #endif