Description
LAB EXERCISE 1 (PART 2)
Based on the given codes for Hotel.h and main.cpp, create Hotel.cpp so that the output will be as shown below:
Room Bookings:
Room 0 booked by Alice for 3 nights
Room 1 booked by Bob for 2 nights
Room 3 booked by Carol for 4 nights
Room Bookings:
Room 0 booked by Alice for 3 nights
Room 3 booked by Carol for 4 nights
…Program finished with exit code 0
Press ENTER to exit console.
Hotel.h
#ifndef HOTEL_H
#define HOTEL_H
#include
#include
class Reservation
{
public:
Reservation(int roomNumber, const std::string& guestName, int nights);
int getRoomNumber() const;
const std::string& getGuestName() const;
int getNights() const;
private:
int roomNumber;
std::string guestName;
int nights;
};
class Hotel
{
public:
Hotel(int numRooms);
Hotel();
bool bookRoom(int roomNumber, const std::string& guestName, int nights);
bool cancelBooking(int roomNumber);
void displayBookings() const;
private:
int numRooms;
std::vector reservations;
bool* roomAvailability;
};
#endif
Main.cpp
#include “Hotel.h”
#include
int main()
{
Hotel hotel(10); // Creating a hotel with 10 rooms
hotel.bookRoom(0, “Alice”, 3);
hotel.bookRoom(1, “Bob”, 2);
hotel.bookRoom(3, “Carol”, 4);
hotel.displayBookings();
hotel.cancelBooking(1);
hotel.displayBookings();
return 0;
}
![In this practice class, we will study the use of the fork() and execlp() functions in combination. See the skeleton code given here. - Skeleton C Program: fork + execlp #include #include int main (int argo, char *argv[]) { int pid; /* fork another process */ pid = fork(); if (pid < 0) { /* error occurred */ fprintf (stderr, "Fork Failed"); exit (-1); } else if (pid == 0) { /* child process */ execlp ("/bin/ls", "ls", NULL); } else { /* parent process */ /* parent will wait for the child to complete */ wait (NULL); printf ("Child Complete"); exit (0); } } Assignment: Q1. Write a C code for implementing fork + execlp combination where execlp is used in child to do the following: (A) starts a simple program printing "Hello World" on the screen, and then (B) uses the system() function to execute the "ps" command. The parent process uses the system() function to execute the "ls" command and then waits for the child to finish. Measure the total time to execute the program using the system clock.](https://gotit-pro.com/wp-content/uploads/2023/10/c8bc7bae-c712-420c-9e67-af9b967228fa.png)
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