More Problems

• Write a program to find the first non-repeating character in a queue after several operations.
• Write a program to find the maximum product of two numbers in a queue after multiple operations.
• Write a program to check if a queue can represent a valid binary search tree after operations.
• Write a program to implement a queue that allows retrieving the maximum element efficiently.
• Write a program to find the smallest number in a queue after various operations.
• Write a program to simulate a ticket sales queue for an event.
• Write a program to find the longest contiguous subsequence of characters in a queue.
• Write a program to implement a queue for managing service requests in a helpdesk.