More Problems

• Write a program to implement a queue for managing chat messages.
• Write a program to find the smallest number in a queue after several operations.
• Write a program to check if two queues can represent a valid binary search tree.
• Write a program to find the first non-repeating integer in a queue after multiple enqueue operations.
• Write a program to simulate a customer support queue.
• Write a program to find the longest subsequence of odd numbers in a queue.
• Write a program to implement a queue for managing online submissions.
• Write a program to find the total number of characters in a queue after operations.