What is a priority queue in data structures?
An example of an AI chatbot conversation about priority queues in data structures.
What is a priority queue in data structures?
A priority queue is an abstract data type where each element has a priority. Elements with higher priority are served before those with lower priority.
How does a priority queue differ from a regular queue?
In a regular queue, elements are served in the order they arrive (FIFO), while in a priority queue, elements are served based on their priority.
Can you give me an example of where a priority queue is used?
Sure! Priority queues are commonly used in algorithms like Dijkstra's for shortest path finding, where the next node to explore is the one with the highest priority.
What data structures can be used to implement a priority queue?
Priority queues can be implemented using various data structures, including binary heaps, Fibonacci heaps, and unsorted or sorted arrays.
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