Editing and Changing c++ text output files

[babe20042004]

User should be able to choose whether they would like to add a new student or edit an existing student’s record. User should be able to save the edited document or discard changes.

#include <iostream>
#include <string>
#include <fstream>
#include <iomanip>



using namespace std;

int main()
{
        string data;              //For outputting data to te screen
        string firstName;         //Student First Name
        string lastName;          //Student Last Name
        string courseName;        //Course Name
        int id;                   //Student I.D. Number
        int numCourse;            //Number of courses
        int numGrades;            //Number of grades to be entered
        double grade=0.00;        //Separate Grade
        double totGrade=0.00;     //Sum of Grades received
        double poss=0.00;         //Possible Grade to be received in part. quiz
        double totPoss=0.00;      //Total of possible marks
        double finGrade=0.00;     //Final Grade
        double i=0.00;

        ofstream myfile;
        myfile.open("STUDRECORD.txt");

        //ifstream yourfile;
        //yourfile.open("STUDRECORD.txt");

        cout<<"Please enter student first name\n ";
        cin>>firstName;
        myfile<<firstName<<" ";

        cout<<"Please enter student last name\n ";
        cin>>lastName;
        myfile<<setw(5)<<lastName;

        cout<<"Please enter Identification Number\n";
        cin>>id;
        myfile<<setw(12)<<id;


        cin.get();
 cout<<"How many courses have you done?\n";
        cin>>numCourse;

        for(int a=1;a<=numCourse;a++)
        {
        if (numCourse==a)
                {
                         myfile<<"\t\t\t\t";
                }


        cout<<"Please enter Course Name"<<endl;
        cin.get();
        getline(cin, courseName, '\n');
        myfile<<setw(20)<<courseName;

        cout<<"How many grades will you be entering for this course?"<<endl;
        cin>>numGrades;

                for(int i=0;i<numGrades;i++)
                {
                cout<<"Please enter quiz grade"<<endl;
                cin>>grade;
                myfile<<setw(6)<<grade;

                totGrade+=grade;

                cout<<"How much was this quiz out of?"<<endl;
                cin>>poss;
                totPoss+=poss;
                myfile<<"/"<<poss;
              }
         myfile<<"\n";

        }



        finGrade=(totGrade/totPoss)*(100/1);
return 0;
}

[King Mir]

What's giving you trouble?

[babe20042004]

Im not sure as to how to edit it.