c++ please help! code so far... got stuck running out of time...

#include

#include

using namespace std;

class Student

{

private:

string firstName;

string lastName;

int grade;

int totalFees;

public:

Student(string f,string l,int g)

{

firstName=f;

lastName=l;

grade=g;

totalFees=0;

}

friend ostream& operator

{

o

return o;

}

Student& operator+=(double fee)

{

totalFees+=fee;

}

bool operator==(string compareLast)

{

bool isEqual=false;

if(lastName==compareLast)

isEqual=true;

return isEqual;

}

bool operator==(int compareGrade)

{

bool isEqual=false;

if(grade==compareGrade)

isEqual=true;

return isEqual;

}

};

class Athlete

{

private:

string firstName;

string lastName;

string sport;

static double athleticFee;

public:

Athlete(string f,string l, string s)

{

firstName=f;

lastName=l;

sport=s;

}

friend ostream& operator

{

o

return o;

}

bool operator==(string compareSport)

{

bool isEqual=false;

if(sport==compareSport)

isEqual=true;

return isEqual;

}

};

double Athlete::athleticFee=125.50;

void displayMenu()

{

cout

cout

cout

cout

cout

cout

cout

cout

}

addStudent(vector studentVec,vector athleteVec)

{

string firstName;

string lastName;

int grade;

char playsSport;

string sport;

cout

cin>>firstName;

cout

cin>>lastName;

cout

cin>>grade;

cout

cin>>playsSport;

if(playsSport=='Y')

cout

cin>>sport;

}

displayStudents(vector studentVec)

{

}

displayOneStudent(vector studentVec)

{

}

displayAthletes(vector athleteVec)

{

}

displayStudentsByGrade(vector studentVec)

{

}

displayStudentsBySport(vector studentVec)

{

}

int main()

{

int selection;

vector studentVec;

vector athleteVec;

while(selection!=7){

displayMenu();

cin>>selection;

switch(selection){

case 1:

addStudent(studentVec, athleteVec);

case 2:

displayStudents(studentVec);

case 3:

displayOneStudent(studentVec);

case 4:

displayAthletes(athleteVec);

case 5:

displayStudentsByGrade(studentVec);

case 6:

displayStudentsBySport(studentVec);

case 7:

exit;

}

}

}

Name: Date: CIS 230 LL input must be validated (except string input for name and sport) and all output must be formatted. You will be writing one program as described below: Student class with private data for first name, last name, grade (9-12), and total fees. Include a non-default constructor that requires first name, last name, and grade. Your constructor must also initialize total fees to 0. You may NOT use a default constructor! Overload the following operators + This will add a fee to a student's total fee. This will output a student's grade, full name and total fees.