More Problems

• Write a program to find the maximum frequency of characters in a queue.
• Write a program to check if a queue is valid based on its operations.
• Write a program to remove duplicates from a queue while maintaining order.
• Write a program to implement a queue for managing chat messages.
• Write a program to find the smallest number in a queue after several operations.
• Write a program to check if two queues can represent a valid sequence of operations.
• Write a program to find the sum of the elements in a queue after removing negative numbers.
• Write a program to simulate a customer support queue.