Problem with C++ queue Display()...
i have a problem with my c++ coding, my program don't seem like working well.
when i insert data then i wanna display it i dont show the data back..
this is the coding
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#include<iostream.h>
#include<stdlib.h>
#include<stdio.h>
#include<conio.h>
class Room
{
int limit[5],num,front,rear;
int room,day;
double result;
public:
Room();
void menu();
void insert();
void remove();
void display();
};
Room::Room()
{
front=rear=0;
}
void Room::insert()
{
int room,day;
double price,discount,totalDiscount,totalPrice;
double result=0;
if (((rear+1)%5)==front)
{
cout<<"\n\n\t\t\t\tRoom is full\n\n";
}
else
{
cout<<"\n\t\t\t\tYour Room Type:";
cin>>room;
rear=(rear+1)%5;
cout<<"\t\t\t\tStaying For (Days):";
cin>>day;
rear=(rear+1)%5;
switch(room)
{
case 1:
price=100;
discount=(0.05);
totalDiscount=(price)*(discount);
totalPrice=(price)-(totalDiscount);
result=(day)*(totalPrice);
break;
case 2:
price=120;
discount=(0.08);
totalDiscount=(price)*(discount);
totalPrice=price-totalDiscount;
result=(day)*(totalPrice);
break;
case 3:
price=150;
discount=(0.12);
totalDiscount=(price)*(discount);
totalPrice=(price)-(totalDiscount);
result=(day)*(totalPrice);
break;
default:
cout<<"INVALID INPUT";
}
cout<<"\n\t\t\t\tPAYMENT:RM"<<result;
cout<<"\n\n\t\t********************THANK YOU*********************\n";
}
}
void Room::remove()
{
if(rear==front)
{
cout<<"\n\n\t\t\t\tRoom is empty\n\n";
}
else
{
int num=limit[front];
cout<<"\n\n\t\t\t\tYou deleted"<<room<<""<<"\n\n";
front=(front+1)%5;
}
}
void Room::display()
{
int i=front;
if (front==rear)
{
cout<<"\n\n\t\t\tRoom is empty,No data to display!!!\n\n";
}
else
{
cout<<"\n\t\t\t\t ROOM DATA\n\n";
cout<<"Room type:"<<room;
cout<<"Staying day:"<<day;
while(i!=rear)
{
if (i==(rear-1))
cout<<"Payment:"<<result;
cout<<limit[i]<<"";
i=i++%5;
}
}
}
void Room::menu()
{
int choice;
while (choice)
{
cout<<"\n\t\t\t\t1.Insert data"<<endl;
cout<<"\t\t\t\t2.Remove data"<<endl;
cout<<"\t\t\t\t3.Display data"<<endl;
cout<<"\t\t\t\t0.Exit"<<endl;
cout<<"\n\t\t\t\tEnter your choice:";
cin>>choice;
switch(choice)
{
case 1: insert();
break;
case 2: remove();
break;
case 3: display();
break;
case 0: exit(0);
}
}
}
void main()
{
cout<<"\t\t\t *\n";
cout<<"\t\t\t * *\n";
cout<<"\t\t\t * *\n";
cout<<"\t\t\t * *\n";
cout<<"\t\t\t * *\n";
cout<<"\t\t\t * *\n";
cout<<"\t\t\t * WELCOME *\n";
cout<<"\t\t\t * TO *\n";
cout<<"\t\t\t * VILLAGE HOTEL *\n";
cout<<"\t\t\t * *\n";
cout<<"\t\t\t * *\n";
cout<<"\t\t\t ***********************\n";
cout<<"\t\t\t * ROOM TYPE *\n";
cout<<"\t\t\t ***********************\n";
cout<<"\t\t\t * *\n";
cout<<"\t\t\t * 1.EXECUTIVE ROOM *\n";
cout<<"\t\t\t * 2.DELUXE ROOM *\n";
cout<<"\t\t\t * 3.STANDARD ROOM *\n";
cout<<"\t\t\t * *\n";
cout<<"\t\t\t ***********************\n";
Room r1;
r1.menu();
}
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