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I need help with my assignment. I was going to submit my filesas well but it is all cluttered is not beneficial. Thank you somuch for the help

First, read all student information from the text file and storethem in an array of Student objects. • Calculate total score andfinal letter grade. The total score is the sum of CLA, OLA, Quiz,Homework, Exam and Bonus. There will be five letter grades,A(>=90), B(>=80), C(>=70), D(>=60), and F(<60). Theletter grade is determined based on the total score. For example,if the term grade is 79, then the letter grade is C, and if theterm grade is 89, then the letter grade is B. • Prompt user toinput a valid c#, and the program display all information of thestudent with the given c#, including the total score and finalletter grade. • Then display information of all students, includingtotal score and final letter grade. You can proceed as follows: •Design and implement the class Student, which represents ID, scoreinformation of a student. You will store instances of this class inthe Roster class. • Design and implement the class Roster, whichrepresents class roster and provides approaches to manage theroster.

You are required to use C++ classes for this program. You shouldhave a “Student” class, and a “Roster” class. Header files forthese classes are provided by the instructor. It is not necessaryto modify the provided header files.
2) Output for this program must clearly and neatly show that theprogram does work and that it works correctly.

Here is the text file.

ID CLA OLA Quiz Homework Exam Bonus Total FinalGrade  
c088801 10 15 4 15 56 5
c088802 9 12 2 11 46 2
c088803 8 10 3 12 50 1
c088804 5 5 3 10 53 3
c088805 3 11 1 10 45 0
c088806 8 14 2 11 40 -1
c088807 4 12 2 12 48 -2
c088808 10 10 3 11 36 0
c088809 8 8 3 11 39 0
c088810 6 9 4 9 47 3
c088811 8 7 3 13 41 3
c088812 4 11 3 11 37 1
c088813 9 15 2 8 50 2
c088814 8 12 2 10 48 4
c088815 6 8 1 7 45 1
c088816 7 7 2 6 51 2
c088817 8 9 2 12 38 2

The Roster.h

#ifndef __CSCI3110_ROSTER__
#define __CSCI3110_ROSTER__

#include <string>
#include <stdexcept>
#include “Student.h”

class Roster
{
   public:

       // constructor, the parameter isthe course name
       // Create an empty roster, i.e.m_studentNum = 0 for
       // a specific course
       Roster(std::string courseName);

       // This function reads studentinformation from a file
       // The parameter is a filename
       // post-condition:
       //      m_students contains student information read from the file
       //      m_studentNum is the number of students read from thefile  
       void readStudentRecord( std::string);

      //*****************************************
       //Add your functions here ifnecessary
      //*****************************************

   private:
       static const int  MAX_NUM = 25;   // The maximum # of students of aclass
                                        // Class constant. Allobjects share the same copy
       std::string          m_courseName;   //THe name of the course
       int                 m_studentNum;   // Actual Student #
       Student             m_students[MAX_NUM]; // The array of student objects
};
#endif

The Student.h

#ifndef __CSCI3110_STUDENT__
#define __CSCI3110_STUDENT__

#include <string>
#include <stdexcept>

class Student
{
   public:
       // The types of score. You canaccess the type or enumerators outside
       // of the Student class scope bythe following expressions:
       //   Student::ScoreTypeStudent::CLA Student::BONUS
       enum ScoreType {CLA, OLA, QUIZ,HOMEWORK, EXAM, BONUS};

       // To access the class constantoutside of the Student class scope:
       //  Student::CATEGORY_NUM
       static const int CATEGORY_NUM =BONUS – CLA + 1;

       // default constructor. This isnecessary since we define an array
       // of students in the classRoster
       Student( void );

       //Accessor & mutator ofm_id
       std::string getID( void )const;
       void setID( std::string ) ;

  
       //Accessor and mutator ofm_score
       //ScoreType indicates which scoreyou want to access
       void changeScore( const ScoreType,const int );
       int getScore( const ScoreType )const;

      //********************************************************************
       //Add your functions here ifnecessary
//like getters and setters for m_total and m_letterGrade
      //********************************************************************

   private:
       std::string      m_id;       // StudentID
       int              m_score[CATEGORY_NUM];
                      //m_score[CLA] is CLA score      
                      //m_score[OLA] is OLA score      
                      //m_score[QUIZ] is QUIZ score      
                      //m_score[HOMEWORK] is HOMEWORK score     
                      //m_score[EXAM] is EXAM score      
                      //m_score[BONUS] is BONUS score
int m_total; //total score, which is the sum of all scores
char m_letterGrade;
};
#endif

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