More Problems

• Write a program to find the longest contiguous subsequence of characters that can be formed from a queue.
• Implement a queue for managing scheduled events in a calendar application.
• Write a program to check if a queue can represent a valid binary tree after operations.
• Implement a function to find the average of numbers in a queue after removing duplicates.
• Write a program to find the maximum frequency of characters in a queue after removing duplicates.
• Implement a queue for managing incoming messages in a chat application.
• Write a program to find the first unique character in a stream of characters using a queue.
• Write a program to implement a queue that supports inserting and deleting elements from both ends.