Studenth include include using namespace std class Student

// Student.h
#include <stdafx.h>
#include <string>
using namespace std;

class Student
{
private:
   string name;
   int IdNumber;
   double gpa;
public:
   // constructors
   Student(); // default constructor
   Student(string n, int id, double g);

   //mutators and accessors
   void setName(string n);
   string getName();
   void setIdNumber(int id);
   int getIdNumber();
   void setGpa(double g);
   double getGpa();
};

// Student.cpp - contains the code for the Student class member methods

#include \"stdafx.h\" // only for Microsoft Visual Studio C++ programs
#include \"Student.h\"
#include <cctype> // used by isalpha (test for a character)
using namespace std;

// default Student constructor
Student::Student()
{
   name = \"\"; // set name to an empty string
   IdNumber = 0;
   gpa = 0.0;
}
// Fully qualified Student constructor
Student::Student(string n, int id, double g)
{
   setName(n); // use setName to validate data
   setIdNumber(id); // use setIdNumber to validate data
   setGpa(g); // use setGpa to validate data
}

//mutators and accessors
void Student::setName(string n)
{
   if (isupper(n[0])) // 1st character of name must be A-Z
       name = n;
   else
       name = \"--Bad name entered\";
}
string Student::getName()
{
   return name;
}
void Student::setIdNumber(int id)
{
   if (id>1 && id<100000) // must be from 0 to 100000
       IdNumber = id;
   else
       IdNumber = 0; // indicate an illegal selection
}
int Student::getIdNumber()
{
   return IdNumber;
}
void Student::setGpa(double g)
{
   if (g >= 0.0 && g <= 4.0) // gpa must be from 0.0 to 4.0
       gpa = g;
   else
       gpa = 0;
}
double Student::getGpa()
{
   return gpa;
}

// Student_Class.cpp : Defines the entry point for the console application.
//

#include \"stdafx.h\" // for some versions of Microsoft Visual C++
#include <iostream>
#include \"Student.h\"
using namespace std;

// define an array of students
Student CIS054[] = {
   Student(\"Joe Williams\", 44536, 3.4),
   Student(\"Sally Washington\", 55458, 3.7),
   Student(\"Fred MacIntosh\", 66587, 2.9),
   Student(\"Jose De La Cruz\", 67892, 3.5),
   Student(\"777 Dan McElroy\", 77777, 4.0),
   Student(\"Thinh Nguyen\", 73657, 3.6)
};

int main(int argc, char* argv[])
{
int NumberOfStudents = sizeof(CIS054) / sizeof(Student);

   // Display the header line
   // List all the students in the course
   for (int i = 0; i<NumberOfStudents; i++)
       cout << \" \" << CIS054[i].getIdNumber() << \" \" << CIS054[i].getName() << endl;
   cout << endl; // blank line after displaying the student names

                   // compute the average gpa of all the students
   double total = 0;
   for (int i = 0; i<NumberOfStudents; i++)
       total += CIS054[i].getGpa();
   double average = total / NumberOfStudents;
   cout << \" \" << \"The average GPA of all the students is \" << average << endl << endl;
   return 0;
}

1 can you fix my programming . I use visual studio (C++)

#include <stdafx.h>
#include <string>
using namespace std;