More Problems

• Write a program to rotate a queue by k elements.
• Implement a function to find the first non-repeating character in a stream of characters using a queue.
• Write a program to simulate a round-robin scheduling algorithm using a queue.
• Implement a function that counts the number of islands in a grid using a queue.
• Write a program to perform a level-order traversal of a binary tree using a queue.
• Implement a queue that allows for batch operations, such as enqueueing and dequeueing multiple elements at once.
• Write a program to find the shortest path in an unweighted graph using a queue.
• Implement a function to sort a queue using another queue as auxiliary storage.