More Problems

• Write a program to check if a queue can represent a valid sequence of operations for a binary tree.
• Implement a queue for managing scheduled events in a calendar application.
• Write a program to find the longest increasing subsequence of numbers in a queue.
• Implement a function to find the maximum length of a substring with at most k distinct characters using a queue.
• Write a program to find the maximum sum of k non-overlapping intervals in a queue.
• Implement a queue for managing tasks in a multi-threaded environment.
• Write a program to find the longest subsequence of characters that can be formed from a queue.
• Implement a function that uses a queue to perform breadth-first search (BFS) in a graph.