Linked List Queue
using System;using System.Collections.Generic;using System.Linq;using System.Text;using System.Threading.Tasks; namespace Queue{ class Node { public int data; public Node next; public Node(int x) { data = x; next = null; } } class Queue { Node _front; Node _rear; public Queue() { _front = null; _rear = null; } public void add(int number) { if(_rear == null) { _rear = new Node(number); _front = _..