More Problems

• Write a program to find the shortest path in an unweighted graph using BFS.
• Implement a queue for managing customer inquiries in a help desk.
• Write a program to find the first unique character in a stream of numbers using a queue.
• Implement a function to track the history of operations in a queue.
• Write a program to check if a queue can represent a valid sequence of operations for a binary search tree.
• Implement a circular queue that resizes dynamically based on demand.
• Write a program to find the longest palindromic substring in a queue of characters.
• Implement a queue that supports lazy deletion of elements.