Contoh program sederhana pembayaran hotel/kasir hotel pada Borland C++

#include<stdio.h>
#include<conio.h>
#include<iostream.h>
main()
{
char cust[50],tipe[10],bonus[50],lagi,kode;
int lama,hrg,sewa,cash,tot,kem,adm;
atas:
cout<<" PENGINAPAN PASTI BETAH"<<endl;
cout<<" **************************************"<<endl;
cout<<" Nama Penyewa\t\t: ";gets(cust);
cout<<" Kode Kamar [A/B/M]\t: ";cin>>kode;
switch(kode)
{
case'a':
case 'A':
strcpy(tipe,"ANGGGREK");
hrg=300000;
break;
case'b':
case'B':
strcpy(tipe,"Bougenville");
hrg=250000;
break;
case'm':
case'M':
strcpy(tipe,"MAWAR");
hrg=200000;
break;
default:
cout<<"SALAH MASUKKAN KODE"<<endl;
goto bawah;
}
cout<<" Lama Menginap\t\t: ";cin>>lama;
if(lama>=7)
{
strcpy(bonus,"Payung Cantik");
}
else
strcpy(bonus,"TIDAK DAPAT SOUVENIR");
clrscr();
adm=200000;
sewa=lama*hrg;
tot=adm+sewa;
cout<<" PENGINAPAN PASTI BETAH"<<endl;
cout<<" Nama Penyewa\t\t: "<<cust<<endl;
cout<<" Kode Kamar [A/B/M]\t: "<<kode<<endl;
cout<<" Lama Menginap\t\t: "<<lama<<endl;
cout<<" **************************************"<<endl;
cout<<" Tipe Kamar\t\t: "<<tipe<<endl;
cout<<" Lama Menginap\t\t: "<<lama; cout<<" hari"<<endl;
cout<<" Souvenir\t\t: "<<bonus<<endl;
cout<<" Biaya Sewa\t\t: "<<sewa<<endl;
cout<<" Biaya Administrasi\t: "<<adm<<endl;
cout<<" Total Biaya Sewa\t: "<<tot<<endl;
cout<<" **************************************"<<endl;
cout<<" Uang Bayar\t\t: ";cin>>cash;
kem=cash-tot;
cout<<" Uang Kembali\t\t: "<<kem<<endl;
bawah:
cout<<"INGIN INPUT LAGI?[Y/T]";cin>>lagi;
clrscr();
if(lagi=='y'||lagi=='Y')
goto atas;
else
getch();
}

Daaaaaaaannnnnnn ini contoh hasil nya (img) :