More Problems

• Write a program to check if two queues can represent a valid sequence of operations.
• Write a program to implement a queue that retrieves both the maximum and minimum elements efficiently.
• Write a program to find the sum of elements in a queue after removing odd numbers.
• Write a program to simulate a food delivery queue.
• Write a program to implement a queue for managing customer service requests.
• Write a program to find the longest subsequence of even integers in a queue.
• Write a program to check if a queue can represent a valid binary search tree after operations.
• Write a program to find the maximum frequency of characters in a queue after multiple operations.