More Problems

• Write a program to check if a queue can represent a valid sequence of operations for a binary search tree.
• Implement a function that tracks the maximum and minimum values in a queue after each operation.
• Write a program to find the longest contiguous subsequence of characters in a queue.
• Implement a queue for managing scheduled notifications in a messaging app.
• Write a program to find the longest palindromic subsequence in a queue of characters.
• Implement a function that evaluates an infix expression using a queue and stack.
• Write a program to find the first unique character in a queue after multiple operations.
• Implement a circular queue for managing tasks in a project.