plement a graphical system to manage employees using an employee id, employee name, and years of service. The system should use a B-tree of order 7 to store employees, and it must provide the ability to add and remove employees. After each operati
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Implement a graphical system to manage employees using an employee id, employee name, and years of service. The system should use
a B-tree of order 7 to store employees, and it must provide the ability
to add and remove employees. After each
update a sorted list of employees sorted by name on the screen.
Step by step
Solved in 3 steps
- you are to design a printer queue that is responsible for handling the printing requests coming from different users. You have to take into consideration that users have different levels of priorities. Each user has an identification number and a password, in addition to printing priorities. One good idea is to design the queue using an array or pointers while preserving the first-in first-out concept of the queue. For every printing request received, the program should check the priorities of that request and whether it can be moved forward in the queue to be served by the printer prior to serving the other requests. Using the programming language of your choice (preferably C++), write the printer queue that would handle the user request. The program must allow for requests coming from different users or from one user. Note: I need a working C++ code for this problem, and i need priorities.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…Write a C program for a library automation which gets the ISBN number, name,author and publication year of the books in the library. The status will be filled by theprogram as follows: if publication year before 1985 the status is reference else status isavailable. The information about the books should be stored inside a linked list. The programshould have a menu and the user inserts, displays, and deletes the elements from the menu byselecting options. The following data structure should be used.struct list{ char ISBN[ 20 ];char NAME[ 20 ];char AUTHOR[ 20 ];int YEAR;char STATUS[20];struct list *next;}INFO;The following menu should be used in the program.Press 1. to insert a bookPress 2. to display the book listPress 3. to delete a book from listHint: use strcpy to fill STATUS.
- Your task is to develop a circular linked-list based simulation of the Josephus problem. Thesimulation will be text based. The user should be presented with a text-based menu asking him toenter the total number of people (n), starting point (i), direction (clockwise/anti-clockwise) andnumber to be skipped (k). Your program then must populate a circular linked list with n nodeswhere data of each node should be their position in the circle (starting from 1).Your program should then work iteratively printing the remaining persons after each iteration(round of killing). After the last iteration only the node with the winning initial position should beleft in the list.A basic console program for car rental system is needed to be implemented by using linked list and tree in Java (Eclipse). The online rent a car system serves as a database storing available rental cars with their associated retailer. The system checks and shows a list of accessible rental cars to the user for a given time period. Then, they can book their desired car from the related store by using the program. The development language of the project is Java and 2 types of data structures are used: linked list and tree. All of the available option details of the cars are accumulated by linked lists and the customer information is stored in the tree.A deadlock is the very unpleasant situation that may occur in very dynamic world of running processes, a situation that must be avoided at all costs. One famous algorithm for deadlock avoidance is the Banker's algorithm for deadlock avoidance. The version of this algorithm presented in this module's commentary gives just one solution (the Greedy approach). Consider the Greedy approach to the Banker's algorithm. Give an example of application of this algorithm for 7 processes (named P1, ... , P7) and 5 resource types (named R1, ... , R5). Start by listing the matrices involved in this algorithm, that constitute its input data; also, do not forget to mention the overall resources of each type available in this fictional system. Proceed by describing the algorithm, step by step; for each step, mention the test performed, which process was chosen, what is the old and new status of the Work array, etc. In the end, list the solution, that is the safe sequence of processes resulting from this…
- Write a program to maintain a list of items as a circular queue, which is implemented using an array. Simulate insertions and deletions to the queue and display a graphical representation of the queue after every operation.Develop a program in C++ that will implement a Josephus Circle using circular linked list. There are n people standing in a circle waiting to be executed. The counting out begins at some point in the circle and proceeds around the circle in a fixed direction. In each step, a certain number of people are skipped and the next person is executed. The elimination proceeds around the circle (which is becoming smaller and smaller as the executed people are removed), until only the last person remains, who is given freedom. Given the total number of persons n and a number m which indicates that m-1 persons are skipped and mth person is killed in circle. The task is to choose the place in the initial circle so that you are the last one remaining and so survive.Develop a program in C++ that will implement a Josephus Circle using circular linked list. There are n people standing in a circle waiting to be executed. The counting out begins at some point in the circle and proceeds around the circle in a fixed direction. In each step, a certain number of people are skipped and the next person is executed. The elimination proceeds around the circle (which is becoming smaller and smaller as the executed people are removed), until only the last person remains, who is given freedom. Given the total number of persons n and a number m which indicates that m-1 persons are skipped and mth person is killed in circle. The task is to choose the place in the initial circle so that you are the last one remaining and so survive. ***Using #include <iostream>
- 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…Implement a simulator for a process scheduling system using a heap. Jobs will be read from a file in this system that contains the job id, a six-character string, the length in seconds, and the priority of the job, an integer whose greater value indicates a higher priority. Each work will also receive an arrival number, which is an integer that indicates the order in which it arrived. The output of the simulation should include the job id, priority, duration, and completion time (relative to the simulation's start time of 0).This assignment requires you to write a non-verbose input-driven java program for maintaining a binary search tree (BST) of integer data elements (negative, zero or positive). The specialty of your BST will be that it will record the count for each integer element in it. The detailed requirements are as follows. When your program is executed, it should initialise an empty BST and a user should be presented with a menu1 of tasks that your program can perform on the BST. The menu options should be the following. 1. Insert an element into the BST 2. Search for an element in the BST 3. Find the maximum element from the BST 4. Find the minimum element from the BST 5. Print the elements in the BST in preorder 6. Print the elements in the BST in postorder 7. Print the elements in the BST in inorder 8. Delete an element 0. To exit the program Your program should not use command-line inputs. It should accept inputs from the user (stdin) at run-time. Your program should ask for the following two…