More Problems

• Write a program to find the sum of elements in a queue after removing negative numbers.
• Write a program to check if two queues can represent a valid binary tree.
• Write a program to find the longest contiguous subsequence of characters in a queue.
• Write a program to implement a queue for managing customer complaints.
• Write a program to find the maximum product of two numbers in a queue after operations.
• Write a program to check if a queue can represent a valid sequence of stack operations.
• Write a program to implement a priority queue using a binary search tree.
• Write a program to find the average of numbers in a queue after removing duplicates.