APlikasi sederhana dengan C++

1. Latihan ::: Program Kasir dengan C++
#include <iostream.h>
#include <conio.h>
#include <stdlib.h>
#include <string.h>
main()
{
char nama[10],*jenis[10],kopiz[10][10],lagi;
inta,b,qty[10],no;
longinttotbay,kembali,harga[10],bayar,sub[10];
atas: clrscr();
cout<<"tttDeliveryRotiBakar18"<<endl;
cout<<"=********************************************************************="<<endl;
cout<<"No.Pesan : ";
cin>>no;
cout<<"Nama Customer : ";
cin>>nama; cout<<"BanyakPesanan : ";
cin>>b;
for(a=1;a<=b;++a) { cout<<"nPesananKe "<<a<<endl;
cout<<"Kode RotiBakar[CK/CC/PC] : ";
cin>>kopiz[a];cout<<"JumlahPesan : ";
cin>>qty[a];
if(strcmp(kopiz[a],"CK")==0||strcmp(kopiz[a],"ck")==0) {jenis[a]="CoklatKacang";
harga[a]=55000;
} else if(strcmp(kopiz[a],"CC")==0||strcmp(kopiz[a],"cc")==0) {jenis[a]="CoklatCheese";
harga[a]=60000;
} else if(strcmp(kopiz[a],"PC")==0||strcmp(kopiz[a],"pc")==0) {jenis[a]="PisangCoklat";
harga[a]=45000;} else
{cout<<"Salah!!,InputKode Lagi!!"<<endl;
goto atas;
} } clrscr();
cout<<" tttBukti PemesananRotiBakar18 "<<endl;
cout<<" ttt DeliveryRotiBakar18 "<<endl;
cout<<"=*********************************************************************="<<endl;
cout<<" No.Pesan : "<<no<<endl;
cout<<" Nama Pemesan :"<<nama<<endl;
cout<<"======================================================================"<<endl;
cout<<" No. Jenis Harga Jumlah Subtotal "<<endl;
cout<<" Roti Roti Pesan "<<endl;
cout<<"======================================================================"<<endl;
totbay=0;
for(a=1;a<=b;++a) {
gotoxy(1,a+10);
cout<<a; gotoxy(5,a+10);
cout<<jenis[a];
gotoxy(25,a+10);

2. cout<<harga[a];
gotoxy(39,a+10);
cout<<qty[a];
sub[a]=harga[a]*qty[a];
gotoxy(51,a+10);
cout<<sub[a];
totbay=totbay+sub[a];
cout<<endl;
}
cout<<"n====================================================================n"<<endl;
cout<<" Total Bayar :Rp. "<<totbay<<endl;
cout<<" Uang Bayar :Rp. ";
cin>>bayar;
kembali=bayar-totbay;
cout<<" Uang Kembali :Rp. "<<kembali<<endl;
cout<<"n====================================================================n"<<endl;
cout<<"Inputdata lagi [Y]/[T]?:";
cin>>lagi;
if(lagi=='Y'||lagi=='y') gotoatas;
else cout<<"nnttt==TE R I M A K A S I H =="; }
Input:
Ouput: