Attendance-Management-System.cpp

#include <iostream>
#include <iomanip>
#include <string>
using namespace std;
int max_students = 100; // structure defination
struct Student
{
	string name;
	int roll_no;
	char grade;
	int attendence;
};
int main()
{
	Student students[max_students];
	int studentcount = 0;
	int choice;
LOOP:
	cout << "-------Welcome to Attendence Management System-------" << endl;
	cout << "--------------Are you Admin or Student---------------" << endl;
	cout << "1. Admin View" << endl;
	cout << "2. Student View" << endl;
	cout << "Enter your choice: ";
	cin >> choice;
	switch (choice)
	{
	case 1:
		do
		{
			cout << "-------Admin View-------" << endl;
			cout << "1. Add Student" << endl;
			cout << "2. Mark Attendance" << endl;
			cout << "3. Display Attendance" << endl;
			cout << "4. Go back to admin or student selection section" << endl;
			cout << "5. Exit" << endl;
			cout << "Enter your choice: ";
			cin >> choice;
			switch (choice)
			{
			case 1:
				if (studentcount < max_students)
				{
					cout << "Enter student name: ";
					cin >> students[studentcount].name;
					cout << "Enter roll no: ";
					cin >> students[studentcount].roll_no;
					cout << "Enter grade: ";
					cin >> students[studentcount].grade;
					studentcount++;
					cout << "Student Added Successfully" << endl;
				}
				else
				{
					cout << "Maximun number of students added" << endl;
				}
				break;
			case 2:
				if (studentcount == 0)
				{
					cout << "No student to mark Attendence. First add students" << endl;
				}
				else
				{
					int rollnumber;
					cout << "Enter roll no: ";
					cin >> rollnumber;
					int foundIndex = -1;
					for (int i = 0; i < studentcount; i++)
					{
						if (students[i].roll_no == rollnumber)
						{
							students[i].attendence = 1;
							cout << "Attendence Marked successfully" << endl;
							foundIndex = i;
							break;
						}
					}
					if (foundIndex == -1)
					{
						cout << "Student not found." << endl;
					}
				}
				break;
			case 3:
				if (studentcount == 0)
				{
					cout << "No student to mark Attendence. First add students" << endl;
				}
				else
				{
					cout << "-----Attendence Record---" << endl;
					cout << setw(20) << "Name" << setw(20) << "Roll_no" << setw(20) << "Grade" << setw(20) << "Attendence" << endl;

					for (int i = 0; i < studentcount; i++)
					{
						cout << setw(20) << students[i].name << setw(20) << students[i].roll_no << setw(20) << students[i].grade << setw(20);
						if (students[i].attendence == 1)
							cout << "Present" << endl;
						else
							cout << "Absent" << endl;
					}
				}
				break;
			case 4:
				goto LOOP;
			case 5:
				cout << "Exiting..." << endl;
				break;
			default:
				cout << "Invalid choice!" << endl;
			}
		} while (choice != 5);
		break;
	case 2:
		do
		{
			cout << "-------Student View-------" << endl;
			cout << "1. View Attendance\n";
			cout << "2. Exit\n";
			cout << "Enter your choice: ";
			cin >> choice;
			switch (choice)
			{
			case 1:
				if (studentcount == 0)
				{
					cout << "No student to mark Attendence. First add students" << endl;
				}
				else
				{
					cout << setw(20) << "Name" << setw(20) << "Roll_no" << setw(20) << "Grade" << setw(20) << "Attendence" << endl;

					for (int i = 0; i < studentcount; i++)
					{
						cout << setw(20) << students[i].name << setw(20) << students[i].roll_no << setw(20) << students[i].grade << setw(20);
						if (students[i].attendence == 1)
							cout << "Present" << endl;
						else
							cout << "Absent" << endl;
					}
				}
				break;
			case 2:
				cout << "Exiting...";
				break;
			default:
				cout << "Invalid choice!";
			}
		} while (choice != 2);
		break;
	}
}