If you enqueue five elements into an empty queue and push the same elements in exactly the same order onto a stack, the elements on the queue from front to rear look the same as those on the stack from top to bottom. True False
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- Input : 1->2->3->2->1->NULL Output: It's a palindrome !!! Create a palindrome of your student ID and then push the element to the stack and queue. Pop each element from the stack and the queue and then check for the mismatch.If the elements “A”, “B”, “C” and “D” are placed in a queue and are removed one at a time, in what order will they be removed?You need to implement a class named "Queue" that simulates a basic queue data structure. The class should have the following methods: Enqueue(int value) - adds a new element to the end of the queue Dequeue() - removes the element from the front of the queue and returns it Peek() - returns the element from the front of the queue without removing it Count() - returns the number of elements in the queue The class should also have a property named "IsEmpty" that returns a boolean indicating whether the queue is empty or not. Constraints: The queue should be implemented using an array and the array should automatically resize when needed. All methods and properties should have a time complexity of O(1) You can write the program in C# and use the test cases to check if your implementation is correct. An example of how the class should be used: Queue myQueue = new Queue(); myQueue.Enqueue(1); myQueue.Enqueue(2); myQueue.Enqueue(3); Console.WriteLine(myQueue.Peek()); // 1…
- java method : Write a method called prioritizeQueue to give priority for vaccination for elderly persons. The method is to be in a class called VaccinationQueue and has two parameters q1 and q2 type ArrayQueue. The q1 and q2 data are of type Integer. Assume that initially q1 is not empty and q2 is empty. The method will insert from q1 those elements towards the beginning of the queue (front) q2 whose data is greater than or equal to 45 and will insert those elements whose data is less than 45 and greater than or equal to 18 towards the end (rear) of q2. Any data item less than 18 of q1 will not be inserted in q2. It returns the number of elements added to q2. Class ArrayQueue and all its methods including iterator are available for use. You can also create temporary queues. You are not allowed to use arrays or any other data structure. Example: Before method call: front rear q1: 14 25 50 70 35 45 19 10 21…3- Write a program that randomly generates 10 numbers (between 1 and 8), inserts into queue and then finds how many distinct elements exist in the queue. Example 1: Example 2: Queue: 2 40 3 3 2 18 4 18 18 3 Queue: 1 1 4 33 16 16 4 16 4 Output: 5 Output: 4 Notes: • You must use ONLY queue data structure. Don't use other different data structures like string or normal (pure) array or stack or array list. • Don't write any other method in the Qeueu class. All methods must be written in the main program.Please code in C language. Please use the starter code to help you solve the deleted node and the reverse list. Here is the starter code: #include <stdio.h> #include <ctype.h> #include <stdlib.h> #include <string.h> #include "linkedlist.h" // print an error message by an error number, and return // the function does not exit from the program // the function does not return a value void error_message(enum ErrorNumber errno) { char *messages[] = { "OK", "Memory allocaton failed.", "Deleting a node is not supported.", "The number is not on the list.", "Sorting is not supported.", "Reversing is not supported.", "Token is too long.", "A number should be specified after character d, a, or p.", "Token is not recognized.", "Invalid error number."}; if (errno < 0 || errno > ERR_END) errno = ERR_END; printf("linkedlist: %s\n", messages[errno]); } node *new_node(int v) { node *p =…
- In Java, a linked list always terminates with a node that is null. True O FalseAssignment2: Analyse the case study given in chapter 4 stackAnswer the following questions from the Maze.java3. Write import statements used in maze.java chapter 4 stack : https://drive.google.com/file/d/1m6UicIA-IR1qde-TY1fhzlwMMxygHhPF/view?usp=sharingcheckBalance Language/Type: Java Stack collections string Related Links: String Write a method named checkBalance that accepts a string of source code and uses a Stack to check whether the braces/parentheses are balanced. Every ( or { must be closed by a } or ) in the opposite order. Return the index at which an imbalance occurs, or -1 if the string is balanced. If any ( or { are never closed, return the string's length. Here are some example calls: // index 0123456789012345678901234567890 checkBalance("if (a(4) > 9) { foo(a(2)); }") returns -1 because balanced checkBalance("for (i=0;i<a(3};i++) { foo{); )") // returns 14 because } out of order checkBalance("while (true) foo(); }{ ()") returns 20 because } doesn't match any { checkBalance("if (x) {") returns 8 because { is never closed // // // Constraints: Use a single stack as auxiliary storage.
- Q1: Write a java application for the stack operations with Linked List. Q2: Write java program to take the order from the customer and display the ordered items and total payment. If customer is entering the wrong name or not following the order to enter the menu it has to display error messages. (Find in the sample code) Sample Output:Data Structures and algorithms: Topic: Doubly and circular Linked Lists in java: Please solve this on urgent basis: Attach output's picture and explain every statement in commments: Create a doubly Linked list, So far you have come across with numbers that are prime and you have a great knowledge about them using that knowledge help Alice solve the problem of finding all the numbers that are prime and collectively return the sum of those prime numbers stored in doubly linked list. You can use more than 1 function to solve this problem. For example Linked List contains Data: 8,12,3,17,11, Output: 31 Explanation: 3+17+11 = 31In Java, The following is a class definition of a linked list Node: class Node{int info;Node next;}Assume that head references a linked list and stores in order, the int values 5, 2 and 9. Show the instructions needed to move the value 2 in front of the value 5 so that the list is now 2, 5 and 9.