More Problems

• Write a program to find the first non-repeating character in a queue after multiple operations.
• Implement a circular queue for managing project tasks.
• Write a program to find the sum of elements in a queue after removing all duplicates.
• Implement a function that uses a queue to find all permutations of a string.
• Write a program to check if a queue can represent a valid infix expression after multiple operations.
• Implement a queue for managing scheduled events in a calendar application.
• Write a program to find the longest contiguous subsequence of odd numbers in a queue.
• Implement a queue that supports batch processing of elements.