More Problems

• Write a program to implement a queue for managing product orders in an e-commerce application.
• Implement a queue for managing online course registrations.
• Write a program to find the longest contiguous subsequence of even numbers in a queue.
• Implement a queue for managing user messages in a chat application.
• Write a program to check if a queue can represent a valid sequence of operations for a binary search tree.
• Implement a function that finds the first k unique elements in a stream using a queue.
• Write a program to simulate a print job queue for a printer.
• Implement a circular queue for managing tasks in a project with deadlines.