MUST BE WRITTEN IN C

*****Hello, I just need help debugging my solution! I will post my solution, the output example, and what I am having issues with specifically below. There's a long list of requirements for the assignment, but to cut this short, the use of defined constants and pass by vals/refs are specific so please don't take these out.******

Issues with the code:

1. When recalling the Main Menu after the first time using it, it prints the Main Menu + options twice. (I'm supposed to use a do/while loop to repeat through the main menu and I think I am using it right???)

2. I am unsure if I wrote my 2D array correctly. When the user enters option 1, it should gather the next student's four ex@m scores. (Each row = to a student, however I think mine is not storing them accordingly)

SHOULD BE STORING LIKE THIS:

Index Ex@m1 Ex@m2 Ex@m3 Ex@m4

0. 90. 90. 80. 90

1. 30. 30. 30. 30

3. When displaying all the grades available, the display is really messy. (I want it to be cleaner and more aligned, but I am unsure of how to do this)

4. I am unsure if all my functions and calculations are all that exact. (I followed my notes and this is how they did it.)

5. After I compiled this I noticed part of my criteria is to error check for ex@m range (has to be from 0.0 to 100.0). (Can i just use a simple if/else loop for this?)

6. When printing the results for avgEx@m and avgStu theres a lot of decimal points after before reaching the percent sign. (Usually I would use set precision, but I am unsure if I can use this in C. So, how would i fix it so the output only display one number after the decimal point?)

Output Expectations:

My Solution: (HAD TO CHANGE THE A's IN EX*M to @ to be able to post)

#include #include

#define PAUSE system("pause") #define ROWS 1000 #define COLS 3 #define EX@M_MIN 0.0 #define EX@M_MAX 100.0

void getGrade(int grades[][COLS], int *effectiveSize); void displayGrades(int grades[][COLS], int effectiveSize); void displayAvgEx@m(int grades[][COLS], int effectiveSize); void displayAvgStu(int grades[][COLS], int effectiveSize);

int main(){ char userChoice; int grades[ROWS][COLS] = {0}; int effectiveSize = 0; do{ printf(" *** MAIN MENU ***"); printf(" 1. Add grades for next student"); printf(" 2. Display all grades"); printf(" 3. Show average by ex@m"); printf(" 4. Show average by student"); printf(" 5. Quit program"); printf(" "); printf("Enter your choice: "); scanf("%c", &userChoice); switch(userChoice){ case '1': getGrade(grades, &effectiveSize); break; case '2': displayGrades(grades, effectiveSize); break; case '3': displayAvgEx@m(grades, effectiveSize); break; case '4': displayAvgStu(grades, effectiveSize); break; case '5': printf("Exiting the program..."); break; defaut: printf("Invalid option. Please enter a valid option. "); break; } }while(userChoice != 5);

}

//function to get new grade value void getGrade(int grades[][COLS] , int *peffectiveSize){ int i; if (*peffectiveSize == ROWS){ printf("No available room for any additional students. Please notify your local tech support to add more."); } for (i = 0; i

void displayGrades(int grades[][COLS], int effectiveSize){ int i; int j;

if(effectiveSize == 0){ printf("You have not entered any previous grades. Please do this first."); } for (i = 0; i

void displayAvgEx@m(int grades[][COLS], int effectiveSize){ int total = 0; float examAverage = 0.0; int row; int cols; if(effectiveSize == 0){ printf("You have not entered any previous grades. Please do this first."); } for (cols = 0; cols

void displayAvgStu(int grades[][COLS], int effectiveSize){ int total = 0; float studentAverage = 0.0; int row; int cols; if(effectiveSize == 0){ printf("You have not entered any previous grades. Please do this first."); } for (row = 0; row

******* THANK YOU IN ADVANCE AND PLEASE STICK ONLY TO USING C ******************

MAIN MENU 1. Add grades for next student. 2. Display a77 grades. 3. Show average by Exam. 4. Show average by student. 5. Quit the program. Enter selection