More Problems

• Write a program to check if a sequence of operations can produce a valid queue state.
• Implement a queue for managing tasks in a multi-threaded environment.
• Write a program to find the first unique integer in a stream of numbers using a queue.
• Implement a function to find the shortest path in a weighted graph using Dijkstras algorithm with a priority queue.
• Write a program to check if two queues can represent the same sequence of operations.
• Implement a queue for managing customer orders in a delivery application.
• Write a program to find the longest contiguous subsequence of even numbers in a queue.
• Implement a function to find the first unique character in a queue after multiple enqueue operations.