More Problems

• Implement a queue that supports lazy deletion of its elements.
• Write a program to determine if a queue can represent a valid sequence of stack operations.
• Implement a queue for managing user sessions in a web application with timeout functionality.
• Write a program to find the longest contiguous subsequence of even integers in a queue.
• Implement a function that merges k sorted queues into one sorted queue using a priority queue.
• Write a program to find the first non-repeating character in a stream of characters using a queue.
• Implement a circular queue for managing event notifications in a messaging app.
• Write a program to simulate a bank queue with customers arriving at random intervals.