More Problems

• Write a program to check if a queue can be represented as a valid sequence of stack operations.
• Implement a queue for managing sales orders in an e-commerce system.
• Write a program to find the shortest path in a grid with obstacles using BFS and a queue.
• Implement a queue that can be dynamically resized.
• Write a program to track the last k elements added to a queue.
• Implement a priority queue for scheduling CPU processes based on burst time.
• Write a program to find the longest contiguous subarray that meets a certain condition using a queue.
• Implement a function that simulates a multi-threaded environment using a queue.