What I need is to make the size defined by the user (c++). Everything else works fine.

#define _CRT_SECURE_NO_WARNINGS #include #include #include //library that helps in reading/writing to files #include #include //library for time

using namespace std;

int counter = 0; // changed the name to count as iostream has a counter that already exist const int SIZE = 10; //added this line

//Structures Declaration struct Date { int day; int month; int year; };//end of struct Date

struct Student { string id; string name; char gender; Date dob; double score; char grade; //computed by an internal function } st[SIZE]; //global array of struct Student

//Functions Prototypes

void read_file(); //function that reads from the file void save_file(); //function that saves to file void generate_stats();

int menu(); char compute_grade(double score);

void add_record(); void delete_record(); void update_record(); void sort_records();

bool emptyArray(); int find_max(); int search(); void search(char gender);

void show_record(int i); void print_records(); void print_records(int month); void print_records(char grade);

int main() { const int SIZE = 20; int choice;

read_file(); //function that will read from the file

//Show a menu to the user do { choice = menu();

switch (choice) { case 1: //Add new student if (counter < SIZE) add_record(); else cout << " ERROR: The array is full.You need to delete items first!"; break;

case 2: //delete a student if (!emptyArray()) delete_record(); break;

case 3: //update student's score if (!emptyArray()) update_record(); break;

case 4: //print all records if (!emptyArray()) print_records(); break;

case 5: //find the max score if (!emptyArray()) { int i = find_max(); show_record(i); }//end if break;

case 6: //find a student by ID if (!emptyArray()) { int i = search(); if (i >= 0) show_record(i); else cout << " Not found!! "; }//end if break;

case 7: //sort records by scores if (!emptyArray()) sort_records(); break;

case 8: //Show students by grade if (!emptyArray()) { char grade; cout << " Please enter a grade (A/B/C/D/F): "; cin >> grade; //add do while and check later print_records(grade); }//end if break;

case 9: //Show students by gender if (!emptyArray()) { char gender; //add do-while to ensure input either M or F cout << " Please enter the gender (M/F): "; cin >> gender; search(gender); }//end if break;

case 10: //Show students born in the same month if (!emptyArray()) { int month; //add do-while to ensure input in range 1 - 12 cout << " Please enter a month (1 - 12): "; cin >> month; print_records(month); }//end if break;

case 11: cout << " Thanks for using our program! "; break;

default: cout << " Incorrect menu option."; }//end switch

} while (choice != 11);

save_file(); //save to file when done generate_stats(); //save file stats

return 0; }//end of main