Untitled

#include <iostream>
#include <stdlib.h>
using namespace std;
class Amity_University
{
public:
    void show()
    {
        cout << "***************************Welcome to Amity University Jharkhand****************************** " << endl;
    }
};
class B_Tech : public Amity_University
{

public:
    void btech()
    {
        cout << "***********************Welcome to B.Tech section******************************" << endl;
    }
};
class IT : public Amity_University
{
public:
    void it()
    {
        cout << "***********************Welcome to BCA section******************************" << endl;
    }
};
class MBA : public Amity_University
{
public:
    void mba()
    {
        cout << "***********************Welcome to MBA section******************************" << endl;
    }
};
class B_COM : public Amity_University
{
public:
    void bcom()
    {
        cout << "***********************Welcome to B.COM section******************************" << endl;
    }
};
class BJMC : public Amity_University
{
public:
    void bjmc()
    {
        cout << "***********************Welcome to BJMC section******************************" << endl;
        cout << "The number of seats in BJMC = " << 100 << endl;
    }
};
class CSE : public B_Tech
{
public:
    void showcse()
    {
        btech();
        cout << "The number of seats in computer science branch (CSE) = " << 150 << endl;
    }
};
class ECE : public B_Tech
{
public:
    void showece()
    {
        btech();
        cout << "The number of seats in Electrical science branch = " << 50 << endl;
    }
};
class MEC : public B_Tech
{
public:
    void showmec()
    {
        btech();
        cout << "The number of seats in Mechanical branch = " << 50 << endl;
    }
};
class CE : public B_Tech
{
public:
    void showce()
    {
        btech();
        cout << "The number of seats in Civil branch = " << 50 << endl;
    }
};
class BCA : public IT
{
public:
    void showbca()
    {
        it();
        cout << "The number of seats in BCA = " << 100 << endl;
    }
};
class MCA : public IT
{
public:
    void showmca()
    {
        it();
        cout << "The number of seats in MCA = " << 100 << endl;
    }
};
class BBA : public MBA
{
public:
    void showbba()
    {
        mba();
        cout << "The number of seats in BBA = " << 200 << endl;
    }
};
class M_COM : public B_COM
{
public:
    void showmcom()
    {
        bcom();
        cout << "The number of seats in M.COM = " << 200 << endl;
    }
};
int main()
{

    int choice;
    B_Tech btech;
    while (1)
    {
        cout << "Enter 1 for BTech course" << endl;
        cout << "Enter 2 for IT course" << endl;
        cout << "Enter 3 for MBA course" << endl;
        cout << "Enter 4 for BCOM course" << endl;
        cout << "Enter 5 for BJMC course" << endl;
        cout << "Enter 0 for Exit" << endl;
        cout << "Enter Your choice" << endl;
        cin >> choice;
        if (choice == 0)
        {
            exit(0);
        }
        else
        {
            switch (choice)
            {
            case 1:
                int ch;
                cout << "Enter 1 for computer science branch (CSE)" << endl;
                cout << "Enter 2 for Electrical branch (ECE)" << endl;
                cout << "Enter 3 for Mechanical branch (MEC)" << endl;
                cout << "Enter 4 for Civil branch (CE)" << endl;
                cout << "Enter the branch in BTECH" << endl;
                cin >> ch;
                if (ch == 1)
                {
                    CSE c;
                    c.showcse();
                    break;
                }
                else if (ch == 2)
                {
                    ECE e;
                    e.showece();
                }
                else if (ch == 3)
                {
                    MEC m;
                    m.showmec();
                }
                else
                {
                    CE ce;
                    ce.showce();
                }
                break;
            case 2:
                int ch2;
                cout << "Enter 1 for BCA branch " << endl;
                cout << "Enter 2 for MCA branch " << endl;
                cin >> ch;
                if (ch2 == 1)
                {
                    BCA bca;
                    bca.showbca();
                }
                else
                {
                    MCA mca;
                    mca.showmca();
                }
                break;
            case 3:
                BBA bba;
                bba.showbba();
                break;
            case 4:
                M_COM mcom;
                mcom.showmcom();
                break;
            case 5:
                BJMC bj;
                bj.bjmc();
                break;
            default:
                cout << "Please Enter the valid choice" << endl;
                exit(0);
            }
        }
    }
}