More Problems

• Implement a queue for managing scheduled events in a calendar application.
• Write a program to find the first non-repeating integer in a queue after multiple enqueue operations.
• Implement a queue for managing online customer feedback.
• Write a program to check if a queue can represent a valid binary tree after operations.
• Implement a circular queue that resizes dynamically based on demand.
• Write a program to find the total number of distinct characters in a queue after various operations.
• Implement a function to merge two sorted queues.
• Write a program to find the longest substring without repeating characters using a queue.