Untitled

#include <iostream>
#include <string>
#include <vector>

using namespace std;

int main() {
	string studentname1 = "", studentname2 = "", studentname3 = "";
	float s1grade = 0, s2grade = 0, s3grade = 0;
	int record = 0, choice, question;
	int updatechoice, deletechoice, yesno;

main:
	system("cls");
	cout << "=====================================" << endl;
	cout << "         Student Monitoring          " << endl;
	cout << "=====================================" << endl;
	cout << " Current Record - " << record << endl;
	cout << "=====================================" << endl;
	cout << "1. Add Student (MAX - 3)" << endl;
	cout << "2. View Student Record" << endl;
	cout << "3. Update Student Record" << endl;
	cout << "4. Delete Student Record" << endl;
	cout << "5.Exit" << endl;
	cout << "=====================================" << endl;
	cout << "         Student Monitoring          " << endl;
	cout << "=====================================" << endl;
	cout << "Enter your Choice: ";
	cin >> choice;

	if (choice == 1) {
		if (record >= 3) {
			cout << "Max Student Reached" << endl;
			system("PAUSE");
			system("cls");
			goto main;
		}

		else {
			record++;

			if (record == 1) {
				system("cls");
				cout << "Enter Student 1 Name: ";
				cin >> studentname1;

				cout << "Enter Student Grade: ";
				cin >> s1grade;
			}


			else if (record == 2) {
				system("cls");
				cout << "Enter Student 2 Name: ";
				cin >> studentname2;

				cout << "Enter Student Grade: ";
				cin >> s2grade;

			}

			else if (record == 3) {
				system("cls");
				cout << "Enter Student 3 Name: ";
				cin >> studentname3;

				cout << "Enter Student Grade: ";
				cin >> s3grade;
			}

			system("PAUSE");
			system("cls");
			goto main;
		}
	}

	else if (choice == 2) {
		system("PAUSE");
		system("cls");
		cout << "-----------------------------------------------------" << endl;
		cout << "                   Student Record                    " << endl;
		cout << "-----------------------------------------------------" << endl;
		cout << " 1. " << studentname1 << endl << "Grade: " << s1grade << endl;
		cout << "-----------------------------------------------------" << endl;
		cout << " 2. " << studentname2 << endl << "Grade: " << s2grade << endl;
		cout << "-----------------------------------------------------" << endl;
		cout << " 3. " << studentname3 << endl << "Grade: " << s3grade << endl;
		cout << "-----------------------------------------------------" << endl;
		system("PAUSE");
		goto main;

	}

	else if (choice == 3) {
		system("PAUSE");
		system("cls");
		cout << "-----------------------------------------------------" << endl;
		cout << "                Update Student Record                " << endl;
		cout << "-----------------------------------------------------" << endl;
		cout << " 1. " << studentname1 << endl << "Grade: " << s1grade << endl;
		cout << "-----------------------------------------------------" << endl;
		cout << " 2. " << studentname2 << endl << "Grade: " << s2grade << endl;
		cout << "-----------------------------------------------------" << endl;
		cout << " 3. " << studentname3 << endl << "Grade: " << s3grade << endl;
		cout << "-----------------------------------------------------" << endl;
		cout << "\n";
		cout << "Please Enter Which Student you want to Update: ";
		cin >> updatechoice;


		if (updatechoice == 1) {
			system("cls");
			cout << "-----------------------------------------------------" << endl;
			cout << "Please Enter " << studentname1 << " Grade: ";
			cin >> s1grade;
			cout << "-----------------------------------------------------" << endl;
			system("PAUSE");
			system("cls");
			goto main;
		}
		else if (updatechoice == 2) {
			system("cls");
			cout << "-----------------------------------------------------" << endl;
			cout << "Please Enter " << studentname2 << " Grade: ";
			cin >> s2grade;
			cout << "-----------------------------------------------------" << endl;
			system("PAUSE");
			system("cls");
			goto main;
		}

		else if (updatechoice == 3) {
			system("cls");
			cout << "-----------------------------------------------------" << endl;
			cout << "Please Enter " << studentname3 << " Grade: ";
			cin >> s3grade;
			cout << "-----------------------------------------------------" << endl;
			system("PAUSE");
			system("cls");
			goto main;

		}
	}

	else if (choice == 4) {
		system("PAUSE");
		system("cls");
		cout << "-----------------------------------------------------" << endl;
		cout << "               Delete Student Record                 " << endl;
		cout << "-----------------------------------------------------" << endl;
		cout << " 1. " << studentname1 << endl << "Grade: " << s1grade << endl;
		cout << "-----------------------------------------------------" << endl;
		cout << " 2. " << studentname2 << endl << "Grade: " << s2grade << endl;
		cout << "-----------------------------------------------------" << endl;
		cout << " 3. " << studentname3 << endl << "Grade: " << s3grade << endl;
		cout << "-----------------------------------------------------" << endl;
		cout << "\n";
		cout << "Please Select Which Student Record Would you Like to Delete?" << endl;
        cout << "Enter your Choice: ";
		cin >> deletechoice;
	
		if (deletechoice == 1) {
			cout << "Are you Sure you Want to Delete " << studentname1 << " Record?"<< endl;
            cout << "1. Yes" << endl;
            cout << "2. No" << endl;
            cout << "Enter your Choice: ";
            cin >> yesno;
            
                if (yesno == 1){
                studentname1 = "";
                s1grade = 0;
                record --;
                goto main;
                }
                
                else if ( yesno == 2) {
                system ("PAUSE");
                system ("cls");
                goto main;
                }
                
                else {
                cout << "Invalid Choice." << endl;
                system ("PAUSE");
                system ("cls");
                goto main;
                }
		}
       
		else if (deletechoice == 2) {
			cout << "Are you Sure you Want to Delete " << studentname2 << " Record?"<< endl;
            cout << "1. Yes" << endl;
            cout << "2. No" << endl;
            cout << "Enter your Choice: ";
            cin >> yesno;
            
                if (yesno == 1){
                studentname2 = "";
                s2grade = 0;
                record --;
                goto main;
                }
                
                else if ( yesno == 2) {
                system ("PAUSE");
                system ("cls");
                goto main;
                }
                
                else {
                cout << "Invalid Choice." << endl;
                system ("PAUSE");
                system ("cls");
                goto main;
                }
		}
        
        else if (deletechoice == 3) {
			cout << "Are you Sure you Want to Delete " << studentname3 << " Record?"<< endl;
            cout << "1. Yes" << endl;
            cout << "2. No" << endl;
            cout << "Enter your Choice: ";
            cin >> yesno;
            
                if (yesno == 1){
                studentname3 = "";
                s3grade = 0;
                record --;
                goto main;
                }
                
                else if ( yesno == 2) {
                system ("PAUSE");
                system ("cls");
                goto main;
                }
                
                else {
                cout << "Invalid Choice." << endl;
                system ("PAUSE");
                system ("cls");
                goto main;
                }
		}
        
		else {
			cout << "Invalid Choice." << endl;
			system("PAUSE");
			system("cls");
			goto main;
		}
	}


	else if (choice == 5) {
		system("PAUSE");
		system("cls");
		char question;
		cout << "-----------------------------------------------------" << endl;
		cout << "are you sure you want to exit this program?" << endl;
		cout << "         Y                      N          " << endl;
		cout << "-----------------------------------------------------" << endl;
		cin >> question;
		if (question == 'Y') {
			goto exit;
		}
        
		else if (question == 'N') {
			goto main;
		}
        
        else {
        cout << "Invalid Choice." << endl;
        goto main;
        }
	}


exit:
	system("PAUSE");
	system("cls");
	cout << "Thank you for using our program!" << endl;

	return 0;

}