Codingan Program Beli Pizza C++

#include<iostream>

using namespace std;

void clear()

{

for(int i=0;i<25;i++)cout<<endl;

}

void main()

{

int opt;

int pizza, qtyM = 0, qtyV = 0;

double total = 0;

double money;

do

{

opt = 0;

clear();

cout<<"Welcome to Yummmy Delivery Pizza"<<endl;

cout<<"================================"<<endl;

cout<<"1.Order Pizza"<<endl;

cout<<"2.Pay"<<endl;

cout<<"3.Exit"<<endl<<endl;

do

{

cout<<"Choose :";

cin>>opt;cin.sync();cin.clear();

}while(opt< 1 || opt > 3);

switch(opt)

{

case 1:

pizza = 0;

clear();

cout<<"Choose an order"<<endl;

cout<<"==============="<<endl;

cout<<"1. Meat Lover Pizza (@ Rp. 80000,-)"<<endl;

cout<<"2. Vegetarian Pizza (@ Rp. 50000,-)"<<endl<<endl;

do{

cout<<"Which pizza do you want to order[1-2]: ";

cin>>pizza;

cin.sync(); cin.clear();

}while(pizza<1 || pizza>2);

if(pizza == 1)

{

total += 80000;

qtyM++;

}

else

{

total += 50000;

qtyV++;

}

cout<<"Thank you...";

cin.get();

break;

case 2:

clear();

if(total==0){

cout<<"You haven't bought anything.."<<endl;

}else{

cout<<"You have ordered " << qtyM << " Meat Lover Pizza(s) and " << qtyV << " Vegetarian Pizza(s)." <<endl << endl << endl;

cout<<"Total price : Rp. "<<total<<endl;

do{

cout<<"Input your money [minimum Rp. "<<total << "] :Rp. ";

cin>>money;

cin.sync(); cin.clear();

}while(money<total);

cout<<"Your change : Rp. "<<money-total<<endl;

total = 0;

qtyM = 0;

qtyV = 0;

cout<<"Thank you...";

}

cin.get();

break;

case 3:

clear();

printf("Thank you for buying our pizza...");

cin.get();

break;

}

}while(opt != 3);

}