More Problems

• Write a program to check if a queue can represent a valid binary search tree.
• Write a program to find the smallest number in a queue after several operations.
• Write a program to simulate a call center queue for customer service.
• Write a program to implement a queue for managing project deadlines.
• Write a program to find the maximum frequency of characters in a queue after removing duplicates.
• Write a program to check if a queue is balanced based on its operations.
• Write a program to find the sum of all elements in a queue after removing negative numbers.
• Write a program to implement a queue for managing food orders.