More Problems

• Write a program to track the history of enqueue and dequeue operations.
• Implement a queue for managing student registrations for courses.
• Write a program to find the average of elements in a queue after removing negative numbers.
• Implement a function that finds the longest common prefix of strings in a queue.
• Write a program to check if two queues can represent the same sequence of operations.
• Implement a queue for managing order processing in an e-commerce application.
• Write a program to find the maximum frequency of characters in a queue after various operations.
• Implement a function that finds the first k unique elements in a queue.