SchoolManagmentSystem.txt

#include <iostream>
#include <fstream> // header file for file handling
#include <string>
#include <cstring>
using namespace std;
void drawline(int,char); // function for draw lines
void counter_and_CollectM(); // function for count Morning students
void counter_and_CollectE(); // function for count Evening students
//////////////////////////////////////////////////////////////////////
int checker = 0;
int count_Female_teacher = 0; //global variable for count female teacher
int count_Male_teacher = 0; // global variable for count male teacher
int count_student = 0; // global variable for count student
string na[30][5]; // 2D array for store Student information 
string ta[30][2]; // 2D array for store teacher information
/////////////////////////////////////////////////////////////////
void School_mana()
{
	cout << "\n\n\t\t\t\t=======================================" << endl;
	cout << "\t\t\t\t|||   School Management System      |||" << endl;
	cout << "\t\t\t\t=======================================" << endl<<endl;
}
//////////////////////////////////////////////////////////////////
class subjects // class for subjects
{
public:
	int engish;
	int urdu;
	int math;
	int Pak_study;
	int computer;
	int I_S;
public:
	void input_Marks(ofstream &s)  // Input function for entring marks
	{
		cout << "Enter Marks for English : ";
		cin >> engish;
		cout << "Enter Marks for Urdu : ";
		cin >> urdu;
		cout << "Enter Marks for Math : ";
		cin >> math;
		cout << "Enter Marks for Pakistan Studies : ";
		cin >> Pak_study;
		cout << "Enter Marks for Computer Science : ";
		cin >> computer;
		cout << "Enter Marks for Islamic Studies : ";
		cin >> I_S;
		s << engish << endl<<urdu<<endl<<math<<endl<<Pak_study<<endl<<computer<<endl<<I_S<<endl;
	}
	void Display_marks()
	{
		cout << "English ...........    " << engish << endl<<endl;
		cout << "Urdu ............   " << urdu << endl<<endl;
		cout << "Math ...............  " << math << endl<<endl;
		cout << "Pakistan Studies ........  " << Pak_study << endl<<endl;
		cout << "Computer science ..........  " << computer << endl<<endl;
		cout << "Islamic Studies ...........  " << I_S << endl<<endl;
	}
};
////////////////////////////////////////////////////////////
class School // parent class
{
protected: // protected data members
	int Id;
	string first_name;
	string last_name;
public:
	//pure vitual functions
	virtual void Input() = 0;
	virtual void display() = 0;
}; // end student class

////////////////////////////////////////////////////////////////
class Student :public School // Derived class from school
{
protected:
	string Registration;
	string classes;
public:
	virtual void Input()=0; // Function for Input values
    virtual void display() = 0; // function for dislay values
	virtual void Student_profile() = 0;
};
//////////////////////////////////////////////////////////////////
class Evening_student: public Student
{
public:
	void Input() // Function for Input values
	{
		ofstream f("Evening_student.txt", ios::app);
		cout << "Enter Student ID : ";
		cin >> Id;
		cout << "Enter First Name : ";
		cin >> first_name;
		cout << "Enter Last Name : ";
		cin >> last_name;
		cout << "Registration No. : ";
		cin >> Registration;
		cout << "Class : ";
		cin >> classes;
		f << Id << endl;
		f << first_name << endl;
		f << last_name << endl;
		f << Registration << endl;
		f << classes << endl;
		f.close();
	}
	void display() // function for dislay values
	{
		ifstream f("Evening_student.txt");
		while (!f.eof())
		{
			f >> Id;
			cout << Id << "\t";
			f.ignore();
			getline(f, first_name);
			cout << first_name << "\t\t";
			getline(f, last_name);
			cout << last_name << "\t\t";
			getline(f, Registration);
			cout << Registration << "\t\t\t";
			getline(f, classes);
			cout << classes << endl << endl;
		}
		f.close();
	}
	void Student_profile()
	{
		subjects se;
		system("cls");
		string name;
		string regis;
		School_mana();
		counter_and_CollectE();
		cout << "LogIn To Your Account......." << endl << endl;
		cout << "Enter Your (UserName)First Name : ";
		cin >> name;
		cout << "Enter Your Registration No : ";
		cin >> regis;
		for (int i = 0; i < count_student; i++)
		{
			if (name == na[i][1] && regis == na[i][3])
			{
				ifstream f("Marksheet.txt");
				while (!f.eof())
				{
					getline(f, Registration);
					getline(f, first_name);
					if (name == first_name&&regis == Registration)
					{
						system("cls");
						cout << "\n=========================================" << endl<<endl;
						cout << "First Name  : " << na[i][1] << endl;
						cout << "Last Name  : " << na[i][2] << endl;
						cout << "Registration No  : " << na[i][3] << endl;
						cout << "Class  : " << na[i][4] << endl;
						cout << "\n\n=========================================" << endl;
						cout << "=========================================" << endl << endl;
						f >> se.engish;
						f >> se.urdu;
						f >> se.math;
						f >> se.Pak_study;
						f >> se.computer;
						f >> se.I_S;
						se.Display_marks();
						int sum = se.engish + se.computer + se.I_S + se.math + se.Pak_study +se.urdu;
						cout << "Total Marks  .............    " << sum << " / 600 " << endl<<endl;
						double avg = float((sum * 100) / 600);
						cout << "Average ................. " << avg <<"%"<< endl<<endl;
						checker = 0;
					}
				}
				f.close();
			}
			else
			{
				checker = 1;
			}
		}
		if (checker == 1)
		{
			cout << "\nLogin Failed Please Enter Valid Username Or Registration No.!! ........" << endl<<endl;
		}
	}
	bool operator==(Evening_student &e)
	{
		if (first_name == e.first_name&&last_name == e.last_name)
		{
			return true;
		}
		else
		{
			return false;
		}
	}
};
//////////////////////////////////////////////////////////////////////////////////////
class Morning_student :public Student
{
public:
	void Input() // Function for Input values
	{
		ofstream f("Morning_student.txt", ios::app);
		cout << "Enter Student ID : ";
		cin >> Id;
		cout << "Enter First Name : ";
		cin >> first_name;
		cout << "Enter Last Name : ";
		cin >> last_name;
		cout << "Registration No. : ";
		cin >> Registration;
		cout << "Class : ";
		cin >> classes;
		f << Id << endl;
		f << first_name << endl;
		f << last_name << endl;
		f << Registration << endl;
		f << classes << endl;
		f.close();
	}
	void display() // function for dislay values
	{
		ifstream f("Morning_student.txt");
		while (!f.eof())
		{
			f >> Id;
			cout << Id << "\t";
			f.ignore();
			getline(f, first_name);
			cout << first_name << "\t\t";
			getline(f, last_name);
			cout << last_name << "\t\t";
			getline(f, Registration);
			cout << Registration << "\t\t\t";
			getline(f, classes);
			cout << classes << endl << endl;
		}
		f.close();
	}
	void Student_profile()
	{
		subjects se;
		system("cls");
		string name;
		string regis;
		School_mana();
		counter_and_CollectM();
		cout << "LogIn To Your Account......." << endl << endl;
		cout << "Enter Your (UserName) First Name : ";
		cin >> name;
		cout << "Enter Your Registration No : ";
		cin >> regis;
		for (int i = 0; i < count_student; i++)
		{
			if (name == na[i][1] && regis == na[i][3])
			{
				ifstream f("Marksheet.txt");
				while (!f.eof())
				{
					getline(f, Registration);
					getline(f, first_name);
					if (name == first_name&&regis == Registration)
					{
						system("cls");
						cout << "\n=========================================" << endl << endl;
						cout << "First Name  : " << na[i][1] << endl;
						cout << "Last Name  : " << na[i][2] << endl;
						cout << "Registration No  : " << na[i][3] << endl;
						cout << "Class  : " << na[i][4] << endl;
						cout << "\n\n=========================================" << endl;
						cout << "=========================================" << endl << endl;
						f >> se.engish;
						f >> se.urdu;
						f >> se.math;
						f >> se.Pak_study;
						f >> se.computer;
						f >> se.I_S;
						se.Display_marks();
						int sum = se.engish + se.computer + se.I_S + se.math + se.Pak_study + se.urdu;
						cout << "Total Marks  .............    " << sum << " / 600 " << endl << endl;
						double avg = float((sum * 100) / 600);
						cout << "Average ................. " << avg <<"%"<< endl << endl;
						checker = 0;
					}
				}
				f.close();
			}
			else
			{
				checker = 1;
			}
		}
		if (checker == 1)
		{
			cout << "\nLogin Failed Please Enter Valid Username Or Registration No.!! ........" << endl<<endl;
		}
	}
	bool operator==(Morning_student &m)
	{
		if (first_name == m.first_name&&last_name == m.last_name)
		{
			return true;
		}
		else
		{
			return false;
		}
	}
};
////////////////////////////////////////////////////////////////////////
class Teacher :public School // drive class of school
{
protected:
	string qualification;
	string exp;
	string subj;
	string serves;
	subjects ss;
public:
	//pure virtual functions
	virtual void Input() = 0; // Function for Input values
	virtual void display() = 0; //function for display values
	virtual void Enter_marks() = 0; // function for enter Marks of student
};
////////////////////////////////////////////////////////////////////////////
class Male_teacher:public Teacher // derived class from Teacher
{
private:
	int pay;
public:
	void Input() // Function for Input values
	{
		ofstream f1("Male_Teacher.txt", ios::app); // Open and write Append file for Teacher data
		cout << "Enter Teacher ID : ";
		cin >> Id;
		cout << "Enter First Name : ";
		cin >> first_name;
		cout << "Enter Last Name : ";
		cin >> last_name;
		cout << "Enter Qualification : ";
		cin >> qualification;
		cout << "Enter Experience : ";
		cin >> exp;
		cout << "Enter Pay : ";
		cin >> pay;
		cout << "Enter Subject teach : ";
		cin >> subj;
		cout << "Enter No. of serves in school : ";
		cin >> serves;
		f1 << Id << endl;
		f1 << first_name << endl;
		f1 << last_name << endl;
		f1 << qualification << endl;
		f1 << exp << endl;
		f1 << pay << endl;
		f1 << subj << endl;
		f1 << serves << endl;
		f1.close();
	}
	void display() //function for display values
	{
		ifstream f("Male_Teacher.txt"); // for open and read file
		while (!f.eof())
		{
			f >> Id;
			cout << Id << "\t";
			f.ignore();
			getline(f, first_name);
			cout << first_name << "\t\t";
			getline(f, last_name);
			cout << last_name << "\t\t";
			getline(f, qualification);
			cout << qualification << "\t\t";
			getline(f, exp);
			cout << exp << "\t\t";
			f >> pay;
			cout << pay << "\t\t";
			f.ignore();
			getline(f, subj);
			cout << subj << "\t\t";
			getline(f, serves);
			cout << serves << endl << endl;
		}
		f.close();
	}
	void Enter_marks() // function for enter Marks of student
	{
		checker = 1;
		string fistname;
		string lstname;
		char choice;
		counter_Male();
		cout << "Login To Your Account......" << endl<<endl;
		cout << "Enter First Name : ";
		cin >> fistname;
		cout << "Enter Last Name : ";
		cin >> lstname;
		for (int i = 0; i < count_Male_teacher; i++)
		{
			if (fistname == ta[i][0] && lstname == ta[i][1])
			{
				cout << "Enter Marks for (M) Morning And (E) Evening.... : ";
				cin >> choice;
				if (choice == 'M' || choice == 'm')
				{
					Student *s1 = new Morning_student;
					counter_and_CollectM();
					cout << "Total Students : " << count_student << endl;
					ofstream s("Marksheet.txt", ios::app);
					for (int i = 0; i < count_student; i++)
					{
						cout << "Enter Marks for  " << na[i][1] << "  " << na[i][2] << "  " << na[i][3] << endl;
						s << na[i][3] << endl << na[i][1] << endl;
						ss.input_Marks(s);
					}
					checker = 0;
					s.close();
				}
				else if (choice == 'E' || choice == 'e')
				{
					Student *s2 = new Evening_student;
					counter_and_CollectE();
					cout << "Total Students : " << count_student << endl;
					ofstream s("Marksheet.txt", ios::app);
					for (int i = 0; i < count_student; i++)
					{
						cout << "Enter Marks for  " << na[i][1] << "  " << na[i][2] << "  " << na[i][3] << endl;
						s << na[i][3] << endl << na[i][1] << endl;
						ss.input_Marks(s);
					}
					checker = 0;
					s.close();
				}
				else
				{
					checker = 1;
				}
			}
		}
		if (checker == 1)
		{
			cout << "\nLogin Failed Please Enter Valid First Name Or Last name!! ........" << endl << endl;
		}
	}
	void counter_Male() // count Male teacher
	{
		int i=0;
		ifstream f("Male_Teacher.txt");
		while (!f.eof())
		{
			f >> Id;
			f.ignore();
			getline(f, first_name);
			ta[i][0] = first_name;
			getline(f, last_name);
			ta[i][1] = last_name;
			getline(f, qualification);
			getline(f, exp);
			f >> pay;
			f.ignore();
			getline(f, subj);
			getline(f, serves);
			i++;
		}
		f.close();
		count_Male_teacher = i - 1;
	}
	bool operator>=(Male_teacher &tm)
	{
		if (pay >= tm.pay&&exp >= tm.exp)
		{
			return true;
		}
		else
		{
			return false;
		}
	}
};
//////////////////////////////////////////////////////////////////
class Female_teacher:public Teacher // derived class from Teacher
{
private:
	int pay;
public:
	void Input() // Function for Input values
	{
		ofstream f1("Female_Teacher.txt", ios::app); // Open and write Append file for Teacher data
		cout << "Enter Teacher ID : ";
		cin >> Id;
		cout << "Enter First Name : ";
		cin >> first_name;
		cout << "Enter Last Name : ";
		cin >> last_name;
		cout << "Enter Qualification : ";
		cin >> qualification;
		cout << "Enter Experience : ";
		cin >> exp;
		cout << "Enter Pay : ";
		cin >> pay;
		cout << "Enter Subject teach : ";
		cin >> subj;
		cout << "Enter No. of serves in school : ";
		cin >> serves;
		f1 << Id << endl;
		f1 << first_name << endl;
		f1 << last_name << endl;
		f1 << qualification << endl;
		f1 << exp << endl;
		f1 << pay << endl;
		f1 << subj << endl;
		f1<< serves << endl;
		f1.close();
	}
	void display()  //function for display values
	{
		ifstream f("Female_Teacher.txt");
		while (!f.eof())
		{
			f >> Id;
			cout << Id << "\t";
			f.ignore();
			getline(f, first_name);
			cout << first_name << "\t\t";
			getline(f, last_name);
			cout << last_name << "\t\t";
			getline(f, qualification);
			cout << qualification << "\t\t";
			getline(f, exp);
			cout << exp << "\t\t";
			f >> pay;
			cout << pay << "\t\t";
			f.ignore();
			getline(f, subj);
			cout << subj << "\t\t";
			getline(f, serves);
			cout << serves << endl << endl;
		}
		f.close();
	}
	void Enter_marks() // function for enter Marks of student
	{
		checker = 1;
		char choice;
		string fistname;
		string lstname;
		counter_female();
		cout << "Enter First Name : ";
		cin >> fistname;
		cout << "Enter Last Name : ";
		cin >> lstname;
		for (int i = 0; i < count_Female_teacher; i++)
		{
			if (fistname == ta[i][0] && lstname == ta[i][1])
			{
				cout << "Enter Marks for (M) Morning And (E) Evening.... : ";
				cin >> choice;
				if (choice == 'M' || choice == 'm')
				{
					Student *s1 = new Morning_student;
					counter_and_CollectM();
					cout << "Total Students : " << count_student << endl;
					ofstream s("Marksheet.txt", ios::app);
					for (int i = 0; i < count_student; i++)
					{
						cout << "Enter Marks for  " << na[i][1] << "  " << na[i][2] << "  " << na[i][3] << endl;
						s << na[i][1] << endl << na[i][3] << endl;
						ss.input_Marks(s);
					}
					checker = 0;
					s.close();
				}
				else if (choice == 'E' || choice == 'e')
				{
					Student *s2 = new Evening_student;
					counter_and_CollectE();
					cout << "Total Students : " << count_student << endl;
					ofstream s("Marksheet.txt", ios::app);
					for (int i = 0; i < count_student; i++)
					{
						cout << "Enter Marks for  " << na[i][1] << "  " << na[i][2] << "  " << na[i][3] << endl;
						s << na[i][1] << endl << na[i][3] << endl;
						ss.input_Marks(s);
					}
					checker = 0;
					s.close();
				}
				else
				{
					checker = 1;
				}
			}
		}
		if (checker == 1)
		{
			cout << "\nLogin Failed Please Enter Valid First Name Or Last Name.!! ........" << endl << endl;
		}
	}
	void counter_female() // count Male teacher
	{
		int i = 0;
		ifstream f("Female_Teacher.txt");
		while (!f.eof())
		{
			f >> Id;
			f.ignore();
			getline(f, first_name);
			ta[i][0] = first_name;
			getline(f, last_name);
			ta[i][1] = last_name;
			getline(f, qualification);
			getline(f, exp);
			f >> pay;
			f.ignore();
			getline(f, subj);
			getline(f, serves);
			i++;
		}
		f.close();
		count_Female_teacher = i - 1;
	}
	bool operator>=(Female_teacher &tf)
	{
		if (pay >= tf.pay&&exp >= tf.exp)
		{
			return true;
		}
		else
		{
			return false;
		}
	}
};
/////////////////////////////////////////////////////////////////////
class Admin :public School // derived class from School
{

public:
	void Input() // Function for Input values
	{
		int n;
		cout << "1. Teacher " << endl;
		cout << "2. Student " << endl << endl;
		cout << "Enter Your Choice : ";
		cin >> n;
		if (n == 1)
		{
			char choice;
			cout << "Enter (M) for Male and (F) for Female : ";
			cin >> choice;
			if (choice == 'M' || choice == 'm')
			{
				Teacher *tm = new Male_teacher; // Creating dynamic memory
				tm->Input();
			}
			else if (choice == 'F' || choice == 'f')
			{
				Teacher *tf = new Female_teacher; // Creating dynamic memory
				tf->Input();
			}
		}
		else if (n == 2)
		{
			char choice;
			cout << "Enter (E) for Evining and (M) for Morning... : ";
			cin >> choice;
			if (choice == 'M' || choice == 'm')
			{
				Student *s = new Morning_student;
				{
					s->Input();
				}
			}
			else if (choice == 'E' || choice == 'e')
			{
				Student *s = new Evening_student;
				{

					s->Input();
				}
			}
		}
		else
		{
			cout << "\n\n Wrong Input..........." << endl;
		}
	}
	void display() //function for display values
	{
		int n;
		cout << "1. Teacher " << endl;
		cout << "2. Student " << endl<<endl;
		cout << "Enter Your Choice : ";
		cin >> n;
		if (n == 1)
		{
			system("cls");
			char choice;
			cout << "For Reading Data ........" << endl << endl;
			cout << "Enter (M) for Male and (F) for Female : ";
			cin >> choice;
			system("cls");
			cout << endl << endl;
			drawline(110, '=');
			cout << "ID     First Name     Last Name     Qualification     Pay         Experience      Subject        serves" << endl;
			drawline(110, '=');
			cout << endl << endl;
			if (choice == 'M' || choice == 'm')
			{
				Teacher *tm = new Male_teacher;
				tm->display();
			}
			else if (choice == 'F' || choice == 'f')
			{
				Teacher *tf = new Female_teacher;
				tf->display();
			}
		}
		else if (n == 2)
		{
			system("cls");
			char choice;
			cout << "Enter (M) morning and (E) Evening... : ";
			cin >> choice;
			system("cls");
			cout << endl << endl;
			drawline(70, '=');
			cout << "ID\tFirst Name\tLast Name\tRegistration No\t\tClass" << endl;
			drawline(70, '=');
			cout << endl;
			if (choice == 'M' || choice == 'm')
			{
				Student *s = new Morning_student;
				s->display();
			}
			else if (choice == 'E' || choice == 'e')
			{
				Student *s = new Evening_student;
				s->display();
			}
		}
		else
		{
			cout << "\n\n Wrong Input..........." << endl;
		}
	}
};
////////////////////////////////////////////////////////////////////
void main()
{
	system("cls");
	char choice = 'y';
	int n1;
	ofstream f;
	ifstream f1;
	School_mana();
	cout << "\n\n\n\t\t\t\tClass & Section ................   BS(IT)-3B" << endl<<endl;
	cout << "\t\t\t\tGroup Members\t\tEnrollment" << endl;
	drawline(120, '.');
	cout << "\n\t\t\t\t~ Muhammad Fahad\t01-235162-029\t\tGroup Leader" << endl;
	cout << "\t\t\t\t~ Hassan Ali Mirza\t01-235162-078" << endl;
	cout << "\t\t\t\t~ Sana Noreen\t\t01-235162-038" << endl;
	cout << "\t\t\t\t~ Shoaib Sultan\t\t01-235162-069" << endl<<endl;
	drawline(120, '.');
	cout << endl << endl << endl;
	system("pause");
	while (choice == 'y' || choice == 'Y')
	{
		system("cls");
		School_mana();
		cout << "\n\n\t\t\t\t1. Administration" << endl;
		cout << "\t\t\t\t2. Teacher Profile" << endl;
		cout << "\t\t\t\t3. Student Profile" << endl;
		cout << "\t\t\t\t0. Exit" << endl<<endl;
		cout << "Enter Choice : ";
		cin >> n1;
		if (n1 == 0)
		{
			break;
		}
		switch (n1)
		{
		case 1:
		{
			system("cls");
			School_mana();
			School *s = new Admin; // dynamic memory for Admin
			cout << "\n\n\t\t\t1. Input For Teacher/Student" << endl;
			cout << "\t\t\t2. Read Data For Teacher/Student" << endl;
			cout << "\t\t\t0. Main Menu" << endl;
			cout << "Enter your choice : ";
			cin >> n1;
			if (n1 == 1)
			{
				system("cls");
				School_mana();
				s->Input(); // calling of input function
			}
			else if (n1 == 2)
			{
				system("cls");
				School_mana();
				s->display(); // calling of display function
			}
			else if (n1 == 0)
			{
				main();
			}
			else
			{
				cout << "\n\nWrong Input.........." << endl;
			}
			break;
		}
		case 2: 
		{
			system("cls");
			School_mana();
			cout << "\n\n\t\t\t1. Male Staff" << endl;
			cout << "\t\t\t2. Female Staff" << endl;
			cout << "\t\t\t0. Main Menu" << endl;
			cout << "Enter your choice : ";
			cin >> n1;
			
			if (n1 == 1)
			{
				Teacher *t =new Male_teacher;
				while (choice == 'y' || choice == 'Y')
				{
					system("cls");
					School_mana();
					t->Enter_marks();
					cout << "For Add more (Y) and Not (N)......";
					cin >> choice;
				}
			}
			else if (n1 == 2)
			{
				Teacher *t = new Female_teacher;
				while (choice == 'y' || choice == 'Y')
				{
					system("cls");
					School_mana();
					t->Enter_marks();
					cout << "For Add more (Y) and Not (N)......";
					cin >> choice;
				}
			}
			else if (n1 == 0)
			{
				main();
			}
			break;
		}
		case 3:
		{
			system("cls");
			School_mana();
			cout << "Morning Student (M).... Evening (E)...... ";
			cin >> choice;
			if (choice == 'M' || choice == 'm')
			{
				system("cls");
				School_mana();
				Student *sss = new Morning_student;
				sss->Student_profile();
			}
			else if (choice == 'E' || choice == 'e')
			{
				system("cls");
				School_mana();
				Student *sss = new Evening_student;
				sss->Student_profile();
			}
			break;
		}
		}
		cout << "For countinue (Y) and Not (N)......";
		cin >> choice;
	}
}// end main
/////////////////////////////////////////////////////////////////////////
void drawline(int a,char c) // definig of function
{
	for (int i = 0; i < a; i++)
	{
		cout << c;
	}
	cout << endl;
}
///////////////////////////////////////////////////////////////////////
void counter_and_CollectM() // function for counting studnt
{
	int i = 0;
	int id;
	string line;
	ifstream f("Morning_student.txt");
	while (!f.eof())
	{
		f >> id;
		f.ignore();
		na[i][0] = id;
		getline(f, line);
		na[i][1] = line;
		getline(f, line);
		na[i][2] = line;
		getline(f, line);
		na[i][3] = line;
		getline(f, line);
		na[i][4] = line;
		i++;
	}
	f.close();
	count_student = i - 1;
}
////////////////////////////////////////////////////////////////////
void counter_and_CollectE() // function for counting studnt
{
	int i = 0;
	int id;
	string line;
	ifstream f("Evening_student.txt");
	while (!f.eof())
	{
		f >> id;
		f.ignore();
		na[i][0] = id;
		getline(f, line);
		na[i][1] = line;
		getline(f, line);
		na[i][2] = line;
		getline(f, line);
		na[i][3] = line;
		getline(f, line);
		na[i][4] = line;
		i++;
	}
	f.close();
	count_student = i - 1;
}