More Problems

• Write a program to check if two queues can represent a valid sequence of operations.
• Write a program to implement a circular queue that resizes dynamically.
• Write a program to find the first unique character in a queue after multiple operations.
• Write a program to implement a queue for managing student registrations.
• Write a program to find the sum of elements in a queue after removing negative numbers.
• Write a program to simulate a food delivery queue.
• Write a program to implement a queue that allows retrieving the maximum element.
• Write a program to check if a queue can represent a valid infix expression.