Exercise 5: Sketch the circular array based queue after each operation. Include the front and rear...
Exercise 5: Sketch the circular array based queue after each operation. Include the front and rear indices in each sketch. queue <int, 5> bar;
bar.enqueue(5);
bar.enqueue(4);
bar.dequeue();
bar.enqueue(3);
bar.dequeue();
Homework Answers
queue <int, 5> bar; bar: front -> [] <- rear bar.enqueue(5); bar: [5] bar.enqueue(4); bar: [5, 4] bar.dequeue(); bar: [5] bar.enqueue(3); bar: [5, 3] bar.dequeue(); bar: [5]
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Exercise 5: Sketch the circular array based queue after each
operation. Include the front and rear...
Suppose we have an array-based queue (circular buffer) of size 6: int data[6]; int front =...
Suppose we have an array-based queue (circular buffer) of size 6: int data[6]; int front = 0, back = 0; void enqueue(int x) { data[back] = x; back = (back + 1) % 6; } void dequeue() { front = (front + 1) % 6; } and we perform the following series of queue operations: enqueue(1); dequeue(); enqueue(2); dequeue(); enqueue(7); enqueue(3); enqueue(5); dequeue(); dequeue(); enqueue(4); enqueue(6); Write the state of the queue array after each operation, and at the end,...
3. A queue implementation is being done using a circular array. It has a front and...
3. A queue implementation is being done using a circular array. It has a front and a rear index for the array. Given that the queue length is q.length, give the following tests: How do you test if the queue is empty? How do you test if the queue is full? Assuming the queue is not empty, how do you remove an item from the queue? (How do you update the values for front and/or rear?) Assuming the queue is...
Consider the following circular array queue. Indicate what would be printed when executing the following code...
Consider the following circular array queue. Indicate what would be printed when executing the following code (assuming array is the variable containing the elements): count 5 front XHL se 2 rear 0 1 2 3 4 N int t = front; for (int q = 0; q < count; q++) { System.out.print(array(q) + t = (t + 1) % array.length; } ");
Array-based Queue Lecture 6 Two Class Exercises | Class Exercise #1 - Create an array-based queue that holds value...
Array-based Queue Lecture 6 Two Class Exercises | Class Exercise #1 - Create an array-based queue that holds values of double data type. 1.) Create a program that produces the following output OUTPUT: Q Quit Enter your choice: e Enter an item: 1.1 E Enqueue D Dequeue s-show queue ← showMenuO function called in main) OQuit // screen clears-.. continue enqueuing.screen clearing with each iteration Enter your choice: e Queue is full. E Enqueue D Dequeue s Show queue 0...
Suppose the following operations are performed on a queue containing integers. Create an empty queue Push...
Suppose the following operations are performed on a queue containing integers. Create an empty queue Push 1 Push 2 Push 3 Pop Push 4 Push 5 Pop Now do the following: a. Draw a sketch of a doubly linked-list based queue after steps 1-4. b. Draw a sketch of a doubly linked-list based queue after all steps 1-8. c. Draw a sketch of a circular array-based queue with capacity 6 after steps 1-4. Specify f, t, and size after each...
(C++) (VISUAL STUDIO) Circular Queue is a linear data structure in which the operations are performed...
(C++) (VISUAL STUDIO) Circular Queue is a linear data structure in which the operations are performed based on FIFO (First In First Out) principle and the last position is connected back to the first position to make a circle. In a normal Queue, we can insert elements until queue becomes full. But once queue becomes full, we cannot insert the next element even if there is a space in front of queue. Efficiently implement a queue class using a circular...
2. Consider a circular array based Queue as we have discussed in the lectures (class definition...
2. Consider a circular array based Queue as we have discussed in the lectures (class definition given below for reference) public class CircArrayQueue<E> implements Queue<E private EI Q private int front-0 indicates front of queue l indicates position after end of queue private int end-0: public CircArrayQueue( public int getSize (.. public boolean isEmpty ( public void enqueue (E e)... public E dequeue ) throws EmptyQueueException... Il constructor We are interested in implementing a Stack class based on the above...
AQueue.java class AQueue implements Queue { private E queueArray[]; // Array holding queue elements private static...
AQueue.java
class AQueue implements Queue {
private E queueArray[]; // Array holding queue elements
private static final int DEFAULT_SIZE = 10;
private int maxSize; // Maximum size of queue
private int front; // Index of front element
private int rear; // Index of rear element
// Constructors
@SuppressWarnings("unchecked") // Generic array allocation
AQueue(int size) {
//BUG #1: maxSize = size
maxSize = size+1; // One extra space is allocated
rear = 0; front = 1;
queueArray = (E[])new Object[maxSize]; //...
JAVA 1. Implement an array-based queue that enqueus 3 items and prints them, dequeues one element...
JAVA 1. Implement an array-based queue that enqueus 3 items and prints them, dequeues one element and print it, and prints the front and rear items. Sample output: 1 enqueued 2 enqueued 3 enqueued 1 dequeued 2 is front item 3 is rear item
uppose that Q is an initially empty array-based queue of size 5. Show he values of...
uppose that Q is an initially empty array-based queue of size 5. Show he values of the data members front and back after each statement has een executed. Indicate and errors that might occur. Queue< char Q 5 Q.enqueue( 'A'); Q. enqueue( 'B Q.enqueue(C; char c = Q.dequeue( ); Q. enqueue( 'A; front = front » front - front = front = front = back back = back - back back =-- back =
3. A queue implementation is being done using a circular array. It has a front and a rear index for the array. Given that the queue length is q.length, give the following tests: How do you test if the queue is empty? How do you test if the queue is full? Assuming the queue is not empty, how do you remove an item from the queue? (How do you update the values for front and/or rear?) Assuming the queue is...
Consider the following circular array queue. Indicate what would be printed when executing the following code (assuming array is the variable containing the elements): count 5 front XHL se 2 rear 0 1 2 3 4 N int t = front; for (int q = 0; q < count; q++) { System.out.print(array(q) + t = (t + 1) % array.length; } ");
Array-based Queue Lecture 6 Two Class Exercises | Class Exercise #1 - Create an array-based queue that holds values of double data type. 1.) Create a program that produces the following output OUTPUT: Q Quit Enter your choice: e Enter an item: 1.1 E Enqueue D Dequeue s-show queue ← showMenuO function called in main) OQuit // screen clears-.. continue enqueuing.screen clearing with each iteration Enter your choice: e Queue is full. E Enqueue D Dequeue s Show queue 0...
2. Consider a circular array based Queue as we have discussed in the lectures (class definition given below for reference) public class CircArrayQueue<E> implements Queue<E private EI Q private int front-0 indicates front of queue l indicates position after end of queue private int end-0: public CircArrayQueue( public int getSize (.. public boolean isEmpty ( public void enqueue (E e)... public E dequeue ) throws EmptyQueueException... Il constructor We are interested in implementing a Stack class based on the above...
AQueue.java
class AQueue implements Queue {
private E queueArray[]; // Array holding queue elements
private static final int DEFAULT_SIZE = 10;
private int maxSize; // Maximum size of queue
private int front; // Index of front element
private int rear; // Index of rear element
// Constructors
@SuppressWarnings("unchecked") // Generic array allocation
AQueue(int size) {
//BUG #1: maxSize = size
maxSize = size+1; // One extra space is allocated
rear = 0; front = 1;
queueArray = (E[])new Object[maxSize]; //...
uppose that Q is an initially empty array-based queue of size 5. Show he values of the data members front and back after each statement has een executed. Indicate and errors that might occur. Queue< char Q 5 Q.enqueue( 'A'); Q. enqueue( 'B Q.enqueue(C; char c = Q.dequeue( ); Q. enqueue( 'A; front = front » front - front = front = front = back back = back - back back =-- back =
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