Which of the following is NOT a valid operation for a priority queue?

Which of the following is NOT a valid operation for a priority queue?

Step 1: Understand what a priority queue is. A priority queue is a special type of data structure where each element has a priority. Elements with higher priority are served before those with lower priority.
Step 2: Learn about the common operations of a priority queue. The main operations are 'insert' (adding an element), 'remove' (removing the element with the highest priority), and 'peek' (viewing the highest priority element without removing it).
Step 3: Identify the operation in question. The question asks which operation is NOT valid for a priority queue.
Step 4: Consider the operation of sorting. Sorting means arranging elements in a specific order, like ascending or descending. This is not a direct operation of a priority queue.
Step 5: Conclude that while you can sort elements by repeatedly removing them from a priority queue, sorting itself is not a standard operation provided by a priority queue.

No concepts available.