More Problems

• Write a program to implement a queue for managing event registrations.
• Write a program to find the sum of elements in a queue after removing negative numbers.
• Write a program to check if a queue is balanced based on enqueue and dequeue operations.
• Write a program to implement a queue for managing feedback from customers.
• Write a program to find the first non-repeating integer in a queue after multiple operations.
• Write a program to check if two queues can represent a valid sequence of operations.
• Write a program to implement a circular queue using a linked list.
• Write a program to find the longest subsequence of characters in a queue.