More Problems

• Write a program to find the average of numbers in a queue after removing even numbers.
• Implement a circular queue for managing tasks in a project.
• Write a program to find the first unique character in a queue after multiple operations.
• Implement a function that checks if two queues can represent a valid sequence of stack operations.
• Write a program to find the maximum product of any two numbers in a queue.
• Implement a queue that supports lazy deletion of its elements.
• Write a program to find the longest valid parentheses substring using a queue and stack.
• Implement a queue for managing incoming messages in a chat application.