More Problems

• 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.
• Write a program to find the maximum product of k elements in a queue.
• Implement a function that generates all unique permutations of a given string using a queue.
• Write a program to find the longest subsequence of characters that can form a valid palindrome.