Top "Dijkstra" questions

Dijkstra's algorithm, conceived by Dutch computer scientist Edsger Dijkstra is a graph search algorithm that solves the single-source shortest path problem for a connected graph with nonnegative edge path costs, producing a shortest path tree.

Dijkstra algorithm with min-priority queue

I'm trying to implement the dijkstra algorithm with priority queue, but I can't understand how it works. I read many …

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MongoDB + Neo4J vs OrientDB vs ArangoDB

I am currently on design phase of a MMO browser game, game will include tilemaps for some real time locations (…

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Dijkstra for longest path in a DAG

I am trying to find out if it is possible to use Dijkstra's algorithm to find the longest path in …

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Why does Dijkstra's algorithm use decrease-key?

Dijkstra's algorithm was taught to me was as follows while pqueue is not empty: distance, node = pqueue.delete_min() if …

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graph - Shortest path with Vertex Weight

Here is an excise: In certain graph problems, vertices have can have weights instead of or in addi- tion to …

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Efficiently finding the shortest path in large graphs

I'm looking to find a way to in real-time find the shortest path between nodes in a huge graph. It …

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Am I right about the differences between Floyd-Warshall, Dijkstra's and Bellman-Ford algorithms?

I've been studying the three and I'm stating my inferences from them below. Could someone tell me if I have …

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How to reverse a graph in linear time?

I know there are two ways to represent my graph: one is using a matrix, and the other one is …

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Is Dijkstra's algorithm, dynamic programming

All implementation of Dijkstra's algorithms I have seen do not have a recursive function, but I have also read that …

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Modify Dijkstra's Algorithm to get the Shortest Path Between Two Nodes

So I've seen similar questions to this but not quite exactly what I'm looking for. I need to modify Dijkstra's …

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