More Problems

• Implement a queue for managing user feedback in a web application.
• Write a program to find the maximum product of any two elements in a queue after several operations.
• Implement a queue that can serialize and deserialize itself.
• Write a program to find the longest palindromic substring in a queue of characters.
• Implement a function that uses a queue to generate all unique permutations of a given string.
• Write a program to check if a queue can represent a valid sequence of operations for a binary tree.
• Implement a priority queue for managing processes in a multi-threaded environment.
• Write a program to find the shortest path in a grid with obstacles using BFS and a queue.