More Problems

• Write a program to find the total number of items in a queue after various operations.
• Write a program to find the smallest number in a queue after multiple operations.
• Write a program to simulate a job processing queue.
• Write a program to implement a queue for managing event participants.
• Write a program to find the maximum frequency of elements in a queue after operations.
• Write a program to check if a queue can represent a valid sequence of numbers.
• Write a program to implement a queue that allows retrieving the last element efficiently.
• Write a program to find the first unique character in a queue after several operations.