Write a grading program for a classwith the following grading policies. #include

Question

Write a grading program for a classwith the following grading policies.

#include

<iostream>

using

namespace std;

const

int CLASS_SIZE = 5;

struct StudentRecords

{

int StudentNumber;

double Quiz1;

double Quiz2;

double MidTerm;

double Final;

double Average;

char Grade;

};

void input (StudentRecords& Student);

void ComputeGrade (StudentRecords& Student);

void output ( StudentRecords Student);

int main()

{

StudentRecords Student [CLASS_SIZE];

for(int i = 0; i < CLASS_SIZE; i++)

input (Student[i]);

for (int i = 0; i < CLASS_SIZE; i++)

{

ComputeGrade (Student [i]);

output(Student [i]);

cout << endl;

}

return 0;

}

void input (StudentRecords &Student)

{

cout<<

"Enter the student number: ";

cin>>Student.StudentNumber;

cout<<

"Enter two 10 point quizzes"<<endl;

cin>>Student.Quiz1 >> Student.Quiz2;

cout <<

"Enter the midterm and final exam grades." << "These are 100 point tests ";

cin>>Student.MidTerm >> Student.Final ;

}

void ComputeGrade (StudentRecords& Student)

{

double QuizAvg= (Student.Quiz1 + Student.Quiz2)/2.0;

double QuizAvgNormalized = QuizAvg * 10;

Student.MidTerm * 0.25 + QuizAvgNormalized * 0.25;

char LetterGrade[] = "FFFFFFDCBAA";

int index = static_cast<int>(Student.Average/10);

if(index < 0 || 10 <= index)

{

cout<<

"Bad numeric grade encountered: "<< Student.Average << endl<<"Aborting.";abort();

}

Student.Grade=LetterGrade[index];

}

void output (const StudentRecords Student)

{

cout <<

"The record for student number:" << Student.StudentNumber << endl;

cout<<

"The quiz grades are : " << Student.Quiz1 << Student.Quiz2 <<endl;

cout<<

"The midterm and exam grades are: "<<Student.MidTerm << " " << Student.Final <<endl;

cout<<

"The numeric average is: " << Student.Average << endl;

cout<<

"Grade assigned is " << Student.Grade <<endl;

}

%u3000

%u3000

%u3000

Explanation / Answer

#include<iostream>
using namespace std;
const int CLASS_SIZE = 5;
struct StudentRecords
{
int StudentNumber;
double Quiz1;
double Quiz2;
double MidTerm;
double Final;
double Average;
char Grade;
};

void input (StudentRecords &Student)
{
cout<< "Enter the student number: ";
cin>>Student.StudentNumber;
cout<< "Enter two 10 point quizzes"<<endl;
cin>>Student.Quiz1 >> Student.Quiz2;
cout << "Enter the midterm and final exam grades." << "These are 100 point tests ";
cin>>Student.MidTerm >> Student.Final ;
}
void ComputeGrade (StudentRecords& Student)
{
double QuizAvg= (Student.Quiz1 + Student.Quiz2)/2.0;
double QuizAvgNormalized = QuizAvg * 10;
Student.Average = (Student.Final*0.5 + Student.MidTerm * 0.25 + QuizAvgNormalized * 0.25);
char LetterGrade[] = "FFFFFFDCBAA";
int index = static_cast<int>(Student.Average/10);
if(index < 0 || 10 <= index)
{
cout<<"Bad numeric grade encountered: "<< Student.Average << endl<<"Aborting."; return;
}
Student.Grade=LetterGrade[index];
}
void output (const StudentRecords Student)
{
cout << "The record for student number:" << Student.StudentNumber << endl;
cout<< "The quiz grades are : " << Student.Quiz1 << Student.Quiz2 <<endl;
cout<<"The midterm and exam grades are: "<<Student.MidTerm << " " << Student.Final <<endl;
cout<<"The numeric average is: " << Student.Average << endl;
cout<<"Grade assigned is " << Student.Grade <<endl;
}
int main()
{
StudentRecords Student [CLASS_SIZE];
for(int i = 0; i < CLASS_SIZE; i++)
input (Student[i]);
for (int i = 0; i < CLASS_SIZE; i++)
{
ComputeGrade (Student [i]);
output(Student [i]);
cout << endl;
}
return 0;
}

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