More Problems

• Write a program to find the maximum product of any two elements in a queue.
• Implement a function that performs a level-order traversal of a binary tree using a queue.
• Write a program to find the shortest path from the source to all nodes in a graph using BFS and a queue.
• Implement a queue for managing online game sessions.
• Write a program to check if a queue can represent a valid sequence of operations in a double-ended queue.
• Implement a function to find the longest common subsequence in two sequences using a queue.
• Write a program to find the maximum area of a rectangle that can be formed in a histogram using a queue.
• Implement a queue that can serialize and deserialize itself.