More Problems

• Write a program to implement a queue for managing online course feedback.
• Write a program to find the sum of elements in a queue after removing even numbers.
• Write a program to check if two queues can represent a valid binary search tree.
• Write a program to find the total number of distinct elements in a queue after multiple operations.
• Write a program to implement a queue for managing customer service interactions.
• Write a program to find the first unique integer in a queue after several operations.
• Write a program to implement a queue that allows retrieving the maximum element efficiently.
• Write a program to check if a queue can represent a valid sequence of operations.