More Problems

• Write a program to find the first unique integer in a queue after several enqueue operations.
• Implement a queue that allows for multiple priority levels for task management.
• Write a program to find the maximum sum of k non-overlapping intervals using a queue.
• Implement a queue for managing online orders in an e-commerce system.
• Write a program to check if a queue can represent a valid sequence of operations for a binary search tree.
• Implement a function that tracks the maximum and minimum values in a queue after each operation.
• Write a program to find the longest contiguous subsequence of characters in a queue.
• Implement a queue for managing scheduled notifications in a messaging app.