?Write a program to determine a student\'s grade based on the roster. The course

Question

?Write a program to determine a student's grade based on the roster.

The   course   has:
4   home   works (   20   points   each,   equal   weightage )
9   labs (   20   points   each,   equal   weightage )
9   lab   attendance   points (   1   point   each,   equal   weightage )
3   exams (100 points   each,   lowest   score   has   20%,   other   two   exams   have   40%  
weightage.)
7   Attendance   points   from   class   (Quiz) (   1   point   each,   equal   weightage )
Extra   Credit (   10   points   )

Roster:

Input:   hw.txt,   lab.txt,   labA.txt,   exam.txt,   quiz.txt
To   do:  
1. Read   the   values   from   the   corresponding   text   files for   homework,   labs,  
attendance   and   exams.   Ask   the   user   to   input   the   score   from   extra   credit  
assignment.   Section   3.14   in   your   textbook deals   with   handling  
reading/writing   from   a   file.
2. Calculate   percentages   for   each   category.
3. Using   the   roster,   compute   the   grade.   Display   the   grade.  
4. Then   tell   the   user   he   is   missing   the   higher   grade   by   x%   (you compute   the   x).  
If   the   users   score   is   A+,   congratulate   him.      
5. Then   present   him   with   the   following   analysis:  
a. His   homework   percentage,   his   lowest   homework   score.
b. His   lab   percentage,   his   lowest   lab   score   and   his   lab   attendance.  
c. His   Exam   percentage,   his   lowest   exams   score.
d. Attendance   score:   In   class   and   Labs
Constraints:   Main   is   a   driver   function.   It   should   not   be   used   to   do   any   computations.  
Create   a   class   called   CalcGrade.   Define   any   number   of   variables/functions   as   needed.  
All   the   variables   need   to   be   private   variables.   Make   the   functions   do   all   the  
computations.  

we were given multiple text files with values of grades in them.

we were also given this code to start the program with and fill in and use.

?Write a program to determine a student's grade based on the roster. The course has: 4 home works ( 20 points each, equal weightage ) 9 labs ( 20 points each, equal weightage ) 9 lab attendance points ( 1 point each, equal weightage ) 3 exams (100 points each, lowest score has 20%, other two exams have 40% weightage.) 7 Attendance points from class (Quiz) ( 1 point each, equal weightage ) Extra Credit ( 10 points ) Roster: Input: hw.txt, lab.txt, labA.txt, exam.txt, quiz.txt To do: 1. Read the values from the corresponding text files for homework, labs, attendance and exams. Ask the user to input the score from extra credit assignment. Section 3.14 in your textbook deals with handling reading/writing from a file. 2. Calculate percentages for each category. 3. Using the roster, compute the grade. Display the grade. 4. Then tell the user he is missing the higher grade by x% (you compute the x). If the users score is A+, congratulate him. 5. Then present him with the following analysis: a. His homework percentage, his lowest homework score. b. His lab percentage, his lowest lab score and his lab attendance. c. His Exam percentage, his lowest exams score. d. Attendance score: In class and Labs Constraints: Main is a driver function. It should not be used to do any computations. Create a class called CalcGrade. Define any number of variables/functions as needed. All the variables need to be private variables. Make the functions do all the computations. we were given multiple text files with values of grades in them. we were also given this code to start the program with and fill in and use.

Explanation / Answer

#include<stdio.h>

#include<conio.h>

void main() {

  struct student {

     char name[30];

     char sex;

     int rollno;

     float percentage;

  };

  union details {

     struct student st;

  };

  union details set;

  printf("Enter details:");

  printf(" Enter name : ");

  scanf("%s", set.st.name);

  printf(" Enter roll no : ");

  scanf("%d", &set.st.rollno);

  flushall();

  printf(" Enter sex : ");

  scanf("%c", &set.st.sex);

  printf(" Enter percentage :");

  scanf("%f", &set.st.percentage);

  printf(" The student details are : ");

  printf(" ame : %s", set.st.name);

  printf(" Rollno : %d", set.st.rollno);

  printf(" Sex : %c", set.st.sex);

  printf(" Percentage : %f", set.st.percentage);

  getch();

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