Toko Es Krim

#include <iostream>
#include <iomanip>
#include <stdlib.h>
#include <string>
using namespace std;
int main(){
	char ulang;
	string es, nama;
	int total,harga,pilih,jumlah,hasil,diskon,uang,kembalian;
	mulai:
	cout<<"=================================="<<endl;
	cout<<"==========Toko ICE CREAM=========="<<endl;
	cout<<"=================================="<<endl<<endl;
	cout<<" input nama pembeli:";cin>>nama;cout<<endl;
	cout<<" pilihan es krim yang tersedia:"<<endl;
	cout<<"1. Chocolate Strowberry"<<endl;
	cout<<"2. Chocolate Vanila"<<endl;
	cout<<"3. Chocolate Capucinno"<<endl;
	cout<<"es krim yang dipilih: ";cin>>pilih;
	switch(pilih){
	case 1:
		harga=15000;
		es="Chocolate Strowberry";
		break;
	case 2:
		harga=20000;
		es="Chocolate Vanila";
		break;
	case 3:
		harga=25000;
		es="Chocolate Capucinno";
		break;
	}
	cout<<"jumlah beli:";cin>>jumlah;
	cout<<"Uang pembeli:";cin>>uang;
	total = jumlah * harga;
	if(total>50000){
		diskon = total * 0.10;
	}else if(total>40000 && total<50000){
		diskon = total * 0.05;
	}else if(total < 40000){
		diskon = total * 0;
	}
	hasil = total - diskon;
	kembalian = uang - hasil;
	system("cls");
	cout<<"=============================="<<endl;
	cout<<"           Struk Pembayaran"<<endl;
	cout<<"=============================="<<endl;
	cout<<"Nama pembeli: "<<nama<<endl;
	cout<<"Nama es krim: "<<es<<endl;
	cout<<"Harga: "<<harga<<endl;
	cout<<"Total: "<<total<<endl;
	cout<<"potongan: "<<diskon<<endl;
	cout<<"=============================="<<endl;
	cout<<"Total keseluruhan: "<<hasil<<endl;
	cout<<"Uang bayar: "<<uang<<endl;
	cout<<"Uang kembali: "<<kembalian<<endl;
	cout<<"Mau input lagi(Y/N)?";cin>>ulang;
	if(ulang=='Y' || ulang=='y'){
		system("cls");
		goto mulai;
	}
}