More Problems

• Implement a queue for managing sales orders in an e-commerce platform.
• Write a program to check if two queues can represent a valid sequence of stack operations.
• Implement a function that tracks the maximum and minimum values in a queue after each operation.
• Write a program to find the maximum frequency of characters in a queue after removing duplicates.
• Implement a queue for managing event registrations in a conference or seminar.
• Write a program to find the longest contiguous subsequence of even numbers in a queue.
• Implement a function that checks if a queue can be rearranged to form a valid palindrome.
• Write a program to find the shortest path in an unweighted graph using BFS with a queue.