More Problems

• Write a program to check if a queue is a valid representation of a sequence of operations.
• Write a program to implement a queue for managing customer orders.
• Write a program to find the first non-repeating integer in a queue.
• Write a program to determine the number of items waiting in a queue.
• Write a program to simulate a server queue with different request types.
• Write a program to find the number of elements in a queue that are less than a given value.
• Write a program to implement a queue that supports duplicate elements.
• Write a program to remove all even elements from a queue.