More Problems

• Write a program to find the total number of distinct characters in a queue.
• Write a program to check if a queue can represent a valid sequence of operations.
• Write a program to implement a queue for managing online orders.
• Write a program to find the sum of elements in a queue after removing even numbers.
• Write a program to simulate a delivery queue.
• Write a program to implement a queue that allows retrieving the last element.
• Write a program to check if a queue can represent a valid binary search tree.
• Write a program to find the average of numbers in a queue after removing negative numbers.