More Problems

• Write a program to find the shortest path in an unweighted grid using BFS with a queue.
• Implement a function to merge two queues without using extra space.
• Write a program to find the first repeated element in a stream using a queue.
• Implement a queue that supports dynamic resizing.
• Write a program to determine the minimum number of operations required to convert one queue into another.
• Implement a queue for managing tasks in a project with dependencies.
• Write a program to find the longest subsequence of characters that can be formed from a given queue.
• Implement a function that uses a queue to find all unique combinations of k numbers from 1 to n.