mas

#include<iostream>
#include<math.h>
#include<conio.h>
using namespace std;



int main()
{
start:
int kode;
int diskon = 20;//diskon 20%
int jumlahbarang;
int potonganharga=0;
int harga;
system("cls");

        cout<<" ==============================================================================="<<endl;
        cout<<"  KODE |        TIPE EMAS         |        GRAM        |          HARGA          |"<<endl;
        cout<<"  _____|__________________________|____________________|_________________________|"<<endl;
        cout<<"    1  | EMAS 24 KARAT            |          1         |       Rp. 557.000       |"<<endl;
        cout<<"    2  | EMAS 22 KARAT            |          1         |       Rp. 473.500       |"<<endl;
        cout<<"    3  | EMAS CAMPURAN            |          1         |       Rp. 320.500       |"<<endl;
        cout<<" ==============================================================================="<<endl;

        cout<<"\nPILIH KODE TIPE EMAS YANG INGIN KAMU BELI : "; cin>>kode;
        cout<<"\nJUMLAH PEMBELIAN   = "; cin>>jumlahbarang;
        cout<<endl;
        cout<<"==============================================================================="<<endl;
        if(kode>3)
        {
            system("cls");
            cout<<"MAAF TIDAK ADA BARANG DENGAN KODE : "<<kode;
            cout<<endl<<endl<<endl;
            system("pause");
            system("cls");
            goto start;
        }
     switch(kode)
     {
      case 1 :
          {
            cout<<"ANDA MEMBELI EMAS 24 KARAT DENGAN KODE : "<<kode;
          harga= 557000*jumlahbarang ;
          }
          break;
      case 2 :
              {
            cout<<"ANDA MEMBELI EMAS EMAS 22 KARAT KARAT DENGAN KODE : "<<kode;
          harga= 473500*jumlahbarang;
          }
          break;
      case 3 :
          {
            cout<<"ANDA MEMBELI EMAS EMAS CAMPURAN KARAT DENGAN KODE : "<<kode;
          harga= 320500*jumlahbarang;
          }
          break;
     }
    cout<<endl;
    cout<<"\nJUMLAH EMAS YANG ANDA BELI\t: "<<jumlahbarang<<endl;
    cout<<"HARGA EMAS YANG ANDA BELI\t: Rp."<<harga<<endl;
    //printf("%d",harga);

    if(jumlahbarang>5)
    {
        cout<<"\DISKON\t\t\t\t: "<<diskon<<"%"<<endl;
        potonganharga = harga*diskon/100;

    }

    cout<<"\POTONGAN HARGA\t\t\t: Rp."<<potonganharga<<endl;
    cout<<"\TOTAL  HARGA\t\t\t: Rp."<<harga-potonganharga<<endl;
return 0;
}