More Problems

• Write a program to find the shortest path in a grid with obstacles using BFS and a queue.
• Implement a queue that allows for reordering of elements based on custom criteria.
• Write a program to determine if a sequence can represent a valid queue sequence after multiple operations.
• Implement a function that tracks the maximum and minimum values in a queue efficiently.
• Write a program to simulate a round-robin scheduling algorithm using a queue.
• Implement a queue for managing event notifications in a mobile application.
• Write a program to find the longest contiguous subsequence of numbers that can be formed from a queue.
• Implement a queue that supports undo operations for the last k operations.