More Problems

• Write a program to check if two queues can represent a valid sequence of operations for a binary search tree.
• Implement a queue that supports operations for undo and redo functionalities.
• Write a program to find the longest valid parentheses substring using a queue.
• Implement a queue that can efficiently merge two queues.
• Write a program to find the maximum product of any two elements in a queue.
• Implement a function to find the first non-repeating character in a stream of characters using a queue.
• Write a program to simulate a customer feedback system using a queue.
• Implement a queue for managing daily tasks in a project management application.