More Problems

• Write a program to find the number of unique elements in a queue after operations.
• Write a program to implement a queue that supports retrieval of the maximum element.
• Write a program to check if a queue can be merged into a specific order.
• Write a program to print the elements of a queue in reverse order using recursion.
• Write a program to remove all elements greater than a specific value from a queue.
• Write a program to find the maximum sum of elements in a sliding window of a queue.
• Write a program to implement a queue using an array with circular indexing.
• Write a program to find the first duplicate number in a queue.