![]() While (q->next != NULL & q->next->priority next Ĭout << "Size of the queue(pq.size()): " << pq.size() Ĭout << "\nTop element of the queue(pq.top()): " << pq.top() Ĭout << "\nPriority queue, after pq.pop() operation : " Program of Priority Queue In C++Įxample 1: M ake a queue using the STL method and perform essential functions. After that, items with the same priority are sorted based on the FIFO. Therefore, on deletion, the first queue element is removed from the queue. The highest priority element is in the front of the queue. Here we can see that the elements are inserted based on their priority. Algorithm or Pseudocode Insert (item, priority) Implementation through the linked list helps to achieve constant time for insertion. Insertion takes now doesn’t take a constant time like queue because we also have to apply insertion sort to insert the element based on their priority. ![]() Nodes are given weight, which allows them to move towards the head of the queue rather than being at the tail of the queue as would happen in the regular queue. ![]() It checks whether the queue is full or not. It checks whether the queue is empty or not. Removes the item with the highest priority and gives the item removed.
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