Library ABC has policies that each book can be borrowed for 2 weeks and cannot be renewed. This library has 4 copies of Book A. Every Monday, there is a request to borrow Book A. There is no reserve system in this library. Since this is a useful book, all the borrowers keep this book for the longest borrow time. Which queueing model should be used for this case?
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- You want to buy a ticket for a well-known concert which is happening in your city. But the number of tickets available is limited. Hence the sponsors of the concert decided to sell tickets to customers based on some priority. A queue is maintained for buying the tickets and every person is attached with a priority (an integer, 1 being the lowest priority). The tickets are sold in the following manner - 1. The first person (pi) in the queue requests for the ticket. 2. If there is another person present in the queue who has higher priority than pi, then ask pi to move at end of the queue without giving him the ticket. 3. Otherwise, give him the ticket (and don't make him stand in queue again). Giving a ticket to a person takes exactly 1 minute and it takes no time for removing and adding a person to the queue. And you can assume that no new person joins the queue. Given a list of priorities of N persons standing in the queue and the index of your priority (indexing starts from 0). Find…Please help me with this! During the Battle at the Alamo, a the defenders suddenly discovered they are surrounded by an overwhelming force. There is absolutely no hope for victory without reinforcements, and David Crockett's horse is the only horse available that can be used to escape and summon help. The defenders agree to a pact to determine which of them is to go for help. The defenders form a queue and they pick a number from a hat. Beginning with the first officer in the queue, they begin to count. As each defender counts off, he moves to the end of the queue. When the count reaches the number that was picked, that defender is removed from the queue, and the count begins again with the next man. Once an defender is removed from the queue, he is no longer counted. The last defender that remains in the queue is the one that rides away on the horse to summon help. —————————— The countOff() method displays the name of each officer removed from the queue, in the order in which they…PLEASE USE C/C++.DONOT USE PYTHON Using linked lists implement an amusement park reservation system. The system allows a person to make a reservation for a specific date. A person can change the reservation date or even cancel his booking anytime. The system puts all reservations in a queue. The park will allow only certain number of persons on any given day in order the reservation was made. For each day the system will print out persons allowed to visit the park. For sake of simplicity, dates are being confined to 15th to 30th. The system should ask the user to enter code for different operations. It reads all data from the datafile amusement.dat. The first integer on datafile indicates limit of persons allowed on any day. code 1: make reservation, system expects date followed by name (within 20 characters) and makes reservation. If number of bookings exceeds allowed number, then system prints SORRY, QUOTA OVER and moves over to read next code. code 2: change date of…
- You are approached by an online delivery shipping firm, which asks you to write them code for some tasks they face. The products they ship have some attributes, which are as follows: Product ID (Integer) [This is unique for every product] Product label (String) Manufacturer (String) All strings are of maximum length 100 and contain only alphanumeric characters. The products arrive one by one, and a common queue is maintained for all of them. Also, there is a fixed set of manufacturers the company has a tie-up with: Nike Adidas Reebok Puma Diadora You are to automate some repetitive tasks. The tasks are as follows: 1) Add a new product to the queue. 2) Deliver the next product of the queue and print the product information delivered. 3) Query how many products of a given manufacturer is currently present in the queue. 4) Query how many products of a given manufacturer has been shipped already. Initially, the product queue is empty. It is also guaranteed that when new products are…C/C++ Using linked lists implement an amusement park reservation system. The system allows a person to make a reservation for a specific date. A person can change the reservation date or even cancel his booking anytime. The system puts all reservations in a queue. The park will allow only certain number of persons on any given day in order the reservation was made. For each day the system will print out persons allowed to visit the park. For sake of simplicity, dates are being confined to 15th to 30th. The system should ask the user to enter code for different operations. It reads all data from the datafile amusement.dat. The first integer on datafile indicates limit of persons allowed on any day. i)code 1: make reservation, system expects date followed by name (within 20 characters) and makes reservation. If number of bookings exceeds allowed number, then system prints SORRY, QUOTA OVER and moves over to read next code. ii)code 2: change date of reservation, system expects old date,…In a bank, customers wait in a queue (q0) for their turn to complete a transaction. Customers who come first are served first. At a certain point when there are lots of customers waiting, a decision is taken to split the queue elements into two empty queues q1 and q2. The customers are split based on the alphabetical order of their first names. Customers with first name starting A-H are added to q1 while the others (first name starting I-Z) are added to q2. In an application, write a method named splitQueue (in an application) that accepts as parameters 3 queues, the original queue (q0) and two empty queues (q1 and q2) to be filled as described above. Write also a main method in which you read the first names of customers from the user, fill them into q0 and call the method splitQueue to split q0 elements into q1 and q2. After the split display the elements of q1 first then those of q2. The header of the method is: public static void splitQueue ( Queue q0, Queue q1, Queue q2) Note:…
- In Python Programming language USING AVL TREE Building an automatic appointment reservation system for a very busy heart surgeon in the city. The system is going to work as follows: The patient requests for an appointment time. The system looks through the list of appointments and if there are no appointments scheduled within 10 minutes either way of the requested time, then that appointment is added to the list of appointments along with the patient ID. Otherwise, the patient is given the next available time automatically that is not within 10 minutes of any other scheduled appointment. At the appointed time, the appointment is marked as serviced and deleted from the list of appointments. You must use an AVL Tree to implement this appointment system. The reservation system should run as follows: It should run for a total of 12*25*60 minutes. At each time instant, there is a 10% probability that a new request comes in. If a new request comes in, generate a random number between the…Q.No.1:Suppose in a Hospital, there are two physicians to dealwith patients. Patients of all ages come for their checkup. Physician ‘A’ is designatedas physician of old patients while physician ‘B’ has to check other patients.Many patients come to the hospital at the same time. There are two queuesof patients against each physician. If patient is an old man, he will stand in secondqueue; otherwise he will stand in first queue. Both doctors check their patients one byone on first come first served basis. Due to timing restriction of the hospital, each doctorcan check a maximum of 20 patients per day. You are required to write a program in C++ to implement the above scenario. It shouldbe clear that patients will be added on back/rear side of the queue and will be servedfrom front of the queue. Further, your program should use Queue as an array toimplement above scenario.Queues are often used to simulate situations where people have to wait in line. One scenario we can simulate with a queue is the annual Single’s Night dance at the Elks Lodge. Men and women enter the lodge and stand in line. The dance floor is quite small and there is room for only three couples at a time. As there is room on the dance floor, dance partners are chosen by taking the first man and woman in line. These couples are taken out of the queue and the next set of men and women are moved to the front of the queue. As this action takes place, the program announces the first set of dance partners and who the next people are in line. If there is not a complete couple, the next person in line is announced. If no one is left in line, this fact is displayed.First, let’s look at the data we use for the simulation:F Jennifer IngramM Frank OpitzM Terrill BeckermanM Mike DahlyF Beata LovelaceM Raymond WilliamsF Shirley YawM Don GundolfF Bernica TackettM David DurrM Mike McMillanF Nikki…
- IN JAVA This triple-ended queue exercise can be found at https://open.kattis.com/problems/teque. The requirements for this program are compatible with those of the Kattis problem, so a solution should produce correct results when submitted on Kattis. The Triple-Ended QUEue supports four operations: push_back x: inserts the element x at the end of the TEQUE push_front x: inserts the element x at the front of the TEQUE push_middle x: inserts the element x so that the insertion index for x is (k + 1)/2 for a 0-based indexed TEQUE. get i: prints out the ith index element (0-based) of the TEQUE. The TEQUE will be implemented as a linked list. The usual implementation requirements apply along with a screenshot of the results from Kattis. Sample input 10 push_back 1 push_front 2 push_back 3 push_front 4 push_middle 5 push_back 6 get 3 push_middle 7 push_middle 8 get 5 Sample Output 1 1 Subject: Java ProgrammingA group of researchers hired you to develop a system to manage the execution of their computing jobs (tasks) in a piece of equipment. This cquipment can only execute one job at a time. Thus, you need to create a Queue class to queue jobs. The queue can be associated with one of the following strategies for selecting jobs: First In First Out (FIFO). Lowest First (LF), and Last In First Out (LIFO). Use the Strategy design pattern for representing these strategies and their association to Queue. Draw a UML diagramCould you give me an example of how waiting in queue works?