More Problems

• Write a program to implement a queue for managing a shopping cart.
• Write a program to find the maximum product of any three numbers in a queue.
• Write a program to simulate a call center queue.
• Write a program to find the longest contiguous subarray in a queue.
• Write a program to check if a queue can represent a valid infix expression.
• Write a program to implement a queue for managing to-do items.
• Write a program to find the total number of elements in a queue after multiple operations.
• Write a program to check if a queue is a valid representation of a stack after operations.