More Problems

• Implement a queue for managing customer service requests.
• Write a program to find the longest increasing subsequence in a queue of characters.
• Implement a function that checks if two queues can represent a valid sequence of stack operations.
• Write a program to find the maximum product of any two numbers in a queue.
• Implement a queue that supports lazy deletion of its elements.
• Write a program to find the longest valid parentheses substring using a queue.
• Implement a queue for managing incoming messages in a chat application.
• Write a program to determine if a sequence of operations can produce a valid queue state.