More Problems

• Write a program to implement a queue for managing waitlisted customers.
• Write a program to find the largest element in a queue using O(n) time.
• Write a program to check if a queue is valid based on enqueue and dequeue operations.
• Write a program to simulate a queue for managing shipments.
• Write a program to find the total number of characters in a queue after operations.
• Write a program to implement a queue for managing conference registrations.
• Write a program to check if a queue can be represented as a valid binary tree.
• Write a program to find the first non-repeating element in a queue after multiple operations.