When should I use Dijkstra's algorithm or A*?

Can you explain when to use Dijkstra's algorithm versus A*?

Sure! Dijkstra's algorithm is best for finding the shortest path in graphs with non-negative weights, while A* is more efficient for pathfinding in games or maps because it uses heuristics.

What kind of heuristics does A* use?

A* uses heuristics like the straight-line distance to the goal, which helps it prioritize paths that seem more promising.

Are there scenarios where Dijkstra's is preferred over A*?

Yes, Dijkstra's is preferred in scenarios where you need the absolute shortest path without any heuristic guidance, like in certain network routing problems.

Can you give an example of a real-world application for each?

Certainly! Dijkstra's is often used in GPS systems for route optimization, while A* is commonly used in video games for character movement.