OOP ASSIGNMENT NO 1
NAME: Areeb Khan.
Reg no: 4994-FOC/BSCS/F23 (B)
Teacher: Sir Muzamil Shah.
Q: Simple student DB using struct.
#include <iostream>
#include <string>
#include <iomanip>
using namespace std;
#define MaxStudent 50
struct stud {
string name, fname;
int id;
float cgpa;
char grades;
};
void fillInfo(stud& student, int studentNumber);
void input_student(stud[], int& count);
void add_student(stud[], int& count);
void display(stud student[], int& count);
void showGrade(stud student[], int& count);
void fillInfo(stud& student, int studentNumber) {
cout << "Enter details for Student " << studentNumber << ":" << endl;
cout << "Enter student name: ";
cin >> student.name;
cout << "Enter father name: ";
cin >> student.fname;
cout << "Enter roll no: ";
cin >> student.id;
cout << "Enter CGPA: ";
cin >> student.cgpa;
cout << "Enter grades (A, B, C, D, F): ";
cin >> student.grades;
}
void input_student(stud student[], int& count) {
do {
cout << "Enter number of students (MAX " << MaxStudent << "): ";
cin >> count;
if (count < 1 || count > MaxStudent) {
cout << "INVALID!!!" << endl;
}
} while (count < 1 || count > MaxStudent);
for (int i = 0; i < count; i++) {
fillInfo(student[i], i + 1);
}
}
void add_student(stud student[], int& count) {
if (count < MaxStudent) {
cout << "Enter details of the new student: ";
fillInfo(student[count], count + 1);
count++;
} else {
cout << "No more space to add new student" << endl;
}
}
void display(stud student[], int& count) {
if (count == 0) {
cout << "No student to display." << endl;
} else {
for (int i = 0; i < count; i++) {
cout << "\n------- STUDENT " << (i + 1) << " DETAILS -------" << endl;
cout << "Name: " << student[i].name << endl;
cout << "Father's Name: " << student[i].fname << endl;
cout << "ID: " << student[i].id << endl;
cout << "CGPA: " << student[i].cgpa << endl;
cout << "Grade: " << student[i].grades << endl;
}
}
}
void showGrade(stud student[], int& count) {
if (count == 0) {
cout << "No student to display." << endl;
} else {
for (int i = 0; i < count; i++) {
cout << "Student name is " << student[i].name << " and his CGPA is " <<
student[i].cgpa << endl;
}
}
}
int main() {
stud student[MaxStudent];
int count = 0;
int choice;
do {
cout << setw(50) << "****************** MENU ******************" << endl;
cout << setw(50) << "* 1. Create student record *" << endl;
cout << setw(50) << "* 2. Add a record *" << endl;
cout << setw(50) << "* 3. Show grades *" << endl;
cout << setw(50) << "* 4. Display Data *" << endl;
cout << setw(50) << "* 5. Exit *" << endl;
cout << setw(50) << "******************************************" << endl;
cout << "Enter your choice: ";
cin >> choice;
switch (choice) {
case 1:
input_student(student, count);
break;
case 2:
add_student(student, count);
break;
case 3:
showGrade(student, count);
break;
case 4:
display(student, count);
break;
case 5:
cout << "Exiting..." << endl;
break;
default:
cout << "INVALID INPUT!" << endl;
break;
}
} while (choice != 5);
return 0;
}
