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 user sessions with timeout features.
• Write a program to find the shortest path in an unweighted graph using BFS.
• Implement a queue for managing daily tasks in a project management application.
• Write a program to check if two queues can represent a valid sequence of operations for a stack.
• Implement a function to find the longest common subsequence in two sequences using a queue.
• Write a program to find the maximum product of three numbers in a queue.
• Implement a queue that can maintain a history of operations for undo/redo functionality.