UTS c++

#include<stdio.h>
#include<iostream.h>
#include<conio.h>
main()
{
char kd,nama[10],jdl[15],jns,jns_tiket[10];
int hrg,ttl_hrg,jml_beli,potongan,ttl_byr,uang_kmbl,uang_byr;
clrscr();
cout<<"========================================="<<endl;
cout<<"\t   JAZZY Musikindo"<<"\n";
cout<<"\tPenjualan Tiket Konser"<<"\n";
cout<<"========================================="<<endl;
cout<<"Nama pembeli             :";gets(nama);
cout<<"Kode konser[1/2/3]       :";cin>>kd;
cout<<"Jenis Tiket"<<endl;
cout<<"a. Tribune"<<endl;
cout<<"b. VIP"<<endl;
cout<<"c. VVIP"<<endl;
cout<<"Pilih Jenis Tiket[a/b/c] :";cin>>jns;
cout<<"Jumlah Beli              :";cin>>jml_beli;
if(kd=='1')
{strcpy(jdl,"JAVA JAZZ FESTIFAL");
if(jns=='a'||jns=='A')
{strcpy(jns_tiket,"TRIBUN");
hrg=50000;}
else
if(jns=='b'||jns=='B')
{strcpy(jns_tiket,"VIP");
hrg=75000;}
else
{strcpy(jns_tiket,"VVIP");
hrg=100000;}}
else
if(kd=='2')
{strcpy(jdl,"Young Diva In Concer");
if(jns=='a'||jns=='A')
{strcpy(jns_tiket,"Tribun");
hrg=50000;}
else if(jns=='b'||jns=='B')
{strcpy(jns_tiket,"VIP");
hrg=100000;}
else
{strcpy(jns_tiket,"VVIP");
hrg=150000;}}
else
{strcpy(jdl,"LA light indi Fest");
if(jns=='a'||jns=='A')
{strcpy(jns_tiket,"TRIBUN");
hrg=50000; }
else
if(jns=='b'||jns=='B')
{strcpy(jns_tiket,"VIP");
hrg=90000;}
else
{strcpy(jns_tiket,"VVIP");
hrg=130000;}}
clrscr();
cout<<"======================================="<<endl;
cout<<"\t   JAZZY Musikindo"<<endl;
cout<<"\tPenjualan Tiket Konser"<<endl;
cout<<"======================================="<<endl;
cout<<"Nama Pembeli       :mr/mrs."<<nama<<endl;
cout<<"Judul Konser       :"<<jdl<<endl;
cout<<"Jenis Tiket        :"<<jns_tiket<<endl;
cout<<"Harga Tiket        :Rp."<<hrg<<endl;
cout<<"Jumlah Beli        :"<<jml_beli<<endl;
cout<<"======================================"<<endl;
ttl_hrg=jml_beli*hrg;
cout<<"Total Harga        :Rp."<<ttl_hrg<<endl;
{if(jml_beli>5)
(potongan=0.1*ttl_hrg);
else
potongan=0*ttl_hrg;}

cout<<"Potongan           :Rp."<<potongan<<endl;
ttl_byr=ttl_hrg-potongan;
cout<<"Total Bayar        :Rp."<<ttl_byr<<endl;
cout<<"====================================="<<endl;
cout<<"Uang Bayar         :Rp.";cin>>uang_byr;
uang_kmbl=uang_byr-ttl_byr;
cout<<"Uang kembali       :Rp."<<uang_kmbl<<endl;
cout<<"======================================"<<endl;
getch();
}