More Problems

• Write a program to find the total number of elements in a queue after various operations.
• Implement a queue that maintains the maximum element during a series of operations.
• Write a program to find the longest increasing subsequence of characters in a queue.
• Implement a function that uses a queue to find all combinations of k elements from a set.
• Write a program to find the first unique integer in a queue after multiple operations.
• Write a program to implement a queue that supports retrieval of the median in O(1) time.
• Write a program to find the longest palindromic substring using a queue and dynamic programming.
• Implement a function that uses a queue to track the state of a game or simulation for rollback functionality.