More Problems

• Implement a queue that supports peek operations on both ends efficiently.
• Write a program to find the longest contiguous subsequence of characters in a queue.
• Implement a queue for managing daily tasks in a project management application.
• Write a program to find the first unique character in a queue after multiple operations.
• Implement a function to check if two queues can be merged to form a valid sequence.
• Write a program to find the longest subsequence of characters in a queue that can form a palindrome.
• Implement a queue for managing events in a simulation environment.
• Write a program to find the shortest path in a grid using BFS and a queue.