More Problems

• Write a program to check if a queue can represent a valid infix expression after operations.
• Implement a queue that allows retrieval of both maximum and minimum elements efficiently.
• Write a program to find the longest palindromic substring in a queue of characters.
• Implement a queue for managing sales orders in an e-commerce application.
• Write a program to determine if a sequence of numbers can form a valid queue sequence.
• Implement a function that simulates a multi-threaded environment using a queue.
• Write a program to find the sum of all elements in a queue after removing duplicates.
• Implement a queue for managing task assignments in a collaborative project.