Program Tiket Parkir Lengkap C++

#include <iostream>
#include <ctime>

using namespace std;

int main() {
    time_t now = time(0);
    tm *ltm = localtime(&now);

    int jamMasuk, menitMasuk, jamKeluar, menitKeluar;
    int totalJam, totalMenit, totalBiaya;

    cout << "Masukkan jam masuk (format 24 jam): ";
    cin >> jamMasuk;
    cout << "Masukkan menit masuk: ";
    cin >> menitMasuk;
    cout << "Masukkan jam keluar (format 24 jam): ";
    cin >> jamKeluar;
    cout << "Masukkan menit keluar: ";
    cin >> menitKeluar;

    totalJam = jamKeluar - jamMasuk;
    totalMenit = menitKeluar - menitMasuk;

    if (totalMenit < 0) {
        totalJam--;
        totalMenit += 60;
    }

    totalBiaya = totalJam * 5000;

    cout << "\nTiket Parkir\n";
    cout << "Jam Masuk: " << jamMasuk << ":" << menitMasuk << endl;
    cout << "Jam Keluar: " << jamKeluar << ":" << menitKeluar << endl;
    cout << "Lama Parkir: " << totalJam << " jam " << totalMenit << " menit" << endl;
    cout << "Biaya Parkir: Rp" << totalBiaya << endl;

    return 0;
}

#include <iostream>
using namespace std;
main()
{
	a:
	int jenis, pilih;
	long int harga;

	cout<<endl;
	cout<<"--------------------------------------------------------------------------"<<endl;
	cout<<endl;

	cout<<"                    	    Ticket Parking "<<endl;
	cout<<"                         *******************"<<endl;
	cout<<endl;
	cout<<"______________________________________________________________________________"<<endl;
	cout<<endl;
	cout<<"1. Car         = Rp 5000"<<endl;
	cout<<"2. Motorcycles = Rp 3000"<<endl;
	cout<<endl;

	cout<<"Select The Type Of Vehicle [1/2] = ";
	cin>>jenis;
	cout<<endl;
	switch (jenis)
	{
	case 1:
		cout<<"Your Vehicle Type Is    = Car"<<endl;
		harga = 5000;
		break;
	case 2:
		cout<<"Your Vehicle Type Is    = Motorcycles"<<endl;
		harga = 3000;
		break;
	default:
		cout<<"There Are Only Two Choice"<<endl;
		break;
	}
	if (jenis == 1)
	{
		int z, x=0, Q;
		int c=5000;
		cout<<"The Number Of Parking Hours =";
		cin>>Q;
		cout<<"1= 5000"<<endl;
		for(int y=2; y<=Q; y++)
		{
			int z=(y-y+3000);
			x = x + z;
			cout<<y<<"= ";
			cout<<z<<" "<<endl;
		}
		cout<<"* Amount To Be Paid = "<<x+c<<endl;
		cout<<endl;
		cout<<"* With Your Vehicle Type = car"<<endl;
	}
	else
	{
		int z, x=0, Q;
		int c=3000;
		cout<<"The Number Of Parking Hours =";
		cin>>Q;
		cout<<"1= 3000"<<endl;
		for(int y=2; y<=Q; y++)
		{
			int z=(y-y+2000);
			x = x + z;
			cout<<y<<"= ";
			cout<<z<<" "<<endl;
		}
		
		cout<<endl;
		cout<<"* Amount To Be Paid ="<<x+c<<endl;
		cout<<endl;
		cout<<"* With Your Vehicle Type = Motorcycles"<<endl;
	}
	b:	
	cout<<endl;
	cout<<endl;
	cout<<"         INFORMATION"<<endl;
	cout<<"================================"<<endl;
	cout<<"1. Back To Menu"<<endl;
	cout<<"2. Clear Screen"<<endl;
	cout<<"Your Choice [1/2]=";
	cin>>pilih;
	switch (pilih)
	{
	case 1:
		goto a;
		break;
	case 2:
		system ("cls");
		break;
	default:
		goto b;
		break;
	}
	
}