Problem StatementYou are tasked with implementing a circular queue to manage a list of integers. Your circular queue should support the following operations:Insert an element: Add a new integer to the queue.Delete an element: Remove an integer from the front of the queue.Display the queue: Print all the elements in the queue in their current order.Note: The queue can hold up to MAX = 10 elements.Input format :The input consists of an integer choice which determines the operation to be performed:1: Insert an element into the queue, If the choice is 1, followed by an integer item which is the element to be inserted, separated by a space.2: Delete an element from the queue.3: Display the elements in the queue.4: Exit the program.Output format :The output displays the following format:For Insert Operation choice 1: If the queue is full, print "Queue Overflow". Otherwise, no output is generated for the insert operation.For Delete Operation choice 2: If the queue is empty, print "Queue Underflow". Otherwise, print "Element deleted from queue is: X" where X is the integer that was removed from the queue.For Display Operation choice 3: Print "Queue elements:" followed by the integers in the queue from front to rear.If the queue is empty, print "Queue is empty".Refer to the sample output for the formatting specifications.Code constraints :In this scenario, the given test cases will fall under the following constraints:The queue has a maximum capacity of 10 elements.The queue operations should be performed in a circular manner.The operations will be continuous until the exit choice (4) is selected.Sample test cases :Input 1 :1 111 221 3321 441 5534Output 1 :Element deleted from queue is: 11Queue elements:22 33 44 55 Input 2 :24Output 2 :Queue UnderflowInput 3 :-14Output 3 :Wrong choiceInput 4 :1 221 331 441 551 661 771 881 991 1001 1111 1224Output 4 :Queue OverflowInput 5 :34Output 5 :Queue is empty
Question
Problem StatementYou are tasked with implementing a circular queue to manage a list of integers. Your circular queue should support the following operations:Insert an element: Add a new integer to the queue.Delete an element: Remove an integer from the front of the queue.Display the queue: Print all the elements in the queue in their current order.Note: The queue can hold up to MAX = 10 elements.Input format :The input consists of an integer choice which determines the operation to be performed:1: Insert an element into the queue, If the choice is 1, followed by an integer item which is the element to be inserted, separated by a space.2: Delete an element from the queue.3: Display the elements in the queue.4: Exit the program.Output format :The output displays the following format:For Insert Operation choice 1: If the queue is full, print "Queue Overflow". Otherwise, no output is generated for the insert operation.For Delete Operation choice 2: If the queue is empty, print "Queue Underflow". Otherwise, print "Element deleted from queue is: X" where X is the integer that was removed from the queue.For Display Operation choice 3: Print "Queue elements:" followed by the integers in the queue from front to rear.If the queue is empty, print "Queue is empty".Refer to the sample output for the formatting specifications.Code constraints :In this scenario, the given test cases will fall under the following constraints:The queue has a maximum capacity of 10 elements.The queue operations should be performed in a circular manner.The operations will be continuous until the exit choice (4) is selected.Sample test cases :Input 1 :1 111 221 3321 441 5534Output 1 :Element deleted from queue is: 11Queue elements:22 33 44 55 Input 2 :24Output 2 :Queue UnderflowInput 3 :-14Output 3 :Wrong choiceInput 4 :1 221 331 441 551 661 771 881 991 1001 1111 1224Output 4 :Queue OverflowInput 5 :34Output 5 :Queue is empty
Solution
To solve this problem, we can use an array to implement the circular queue. We will also need two pointers, one for the front of the queue and one for the rear.
Here are the steps to solve this problem:
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Initialize an array of size MAX = 10, and two pointers, front and rear, both set to -1.
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For each operation:
- If the operation is 1 (insert):
- Check if the queue is full. If (rear + 1) % MAX == front, the queue is full. In this case, print "Queue Overflow" and continue to the next operation.
- Otherwise, add the new element at the rear of the queue. If the queue is empty (front == -1), also set front to 0. Then, increment rear: rear = (rear + 1) % MAX.
- If the operation is 2 (delete):
- Check if the queue is empty. If front == -1, the queue is empty. In this case, print "Queue Underflow" and continue to the next operation.
- Otherwise, remove the element at the front of the queue. If the queue becomes empty (front == rear), set both front and rear to -1. Otherwise, increment front: front = (front + 1) % MAX. Print "Element deleted from queue is: X" where X is the integer that was removed.
- If the operation is 3 (display):
- Check if the queue is empty. If front == -1, print "Queue is empty" and continue to the next operation.
- Otherwise, print "Queue elements:" followed by the integers in the queue from front to rear.
- If the operation is 4 (exit), stop processing operations.
- If the operation is 1 (insert):
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If the operation is not 1, 2, 3, or 4, print "Wrong choice" and continue to the next operation.
This algorithm ensures that the queue operations are performed in a circular manner, and handles the case where the queue is full or empty.
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