dijkstra

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Which datatype to use as queue in Dijkstra's algorithm?

I\'m trying to implement Dijkstra\'s algorithm in Java (self-study). I use the pseudo-code provided by Wikipedia (link). Now near the end of the algorithm, I should decrease-key v in Q;. I guess i sho[详细]

2023-03-12 01:28 分类：问答
Dijkstra's example of an ambiguous program [closed]

Closed. This question is off-topic. It is not currently accepting answers. Want to improve this question? Update the question so it's on-topic for Stack Overflow.[详细]

2023-03-09 22:47 分类：问答
Dijkstra algorithm problem

How to apply Dijkstra algorithm for a graph to find the MST in s开发者_运维问答uch a way that the resulting tree must have an edge between two given vertices? (ex: MST must include an edge between X a[详细]

2023-03-09 15:06 分类：问答
shortest way with more then 2 Points, but fix Order

at first, please excuse my bad knowledge in english. I\'ve got the following Problem: I must find the shortest way between more then 2 Points in a fix order (e.g. A -> D -> F).[详细]

2023-03-08 20:30 分类：问答
Dijkstra's algorithm with negative weights

Can we use Dijkstra\'s algorithm with negative weights? STOP! Before you think \"lol nub you can just endlessly hop between two points and get an infinitely cheap path\", I\'m more thinking of one-wa[详细]

2023-03-05 10:18 分类：问答
What should function list<Edge> return?

Now what I want to do is, for each edge leading from V1 to V2, I want to set the distance(D) of V2 from V1. And if D is less than the current distant to V2 then we want to set V2\'s current distant to[详细]

2023-03-05 07:56 分类：问答
C++ array of pointers to structures

I have a program that has to find the shortest path (Dijkstra\'s algorithm), and I have decided to use an array of pointers to structures, and I keep getting this error:[详细]

2023-03-02 16:27 分类：问答
Dijkstra's algorithm to find most weighted path

I just want to make sure this would work. Could you find the greatest path using Dijkstra\'s algorithm? Would you have to initialize the distance to something like -1 first and then change the relax s[详细]

2023-02-27 04:21 分类：问答
Shortest path between raw geo coordinates and a node of a graph

I have implemented a simple Dijkstra\'s algorithm for finding the shortest path on an .osm map with Java.[详细]

2023-02-25 11:32 分类：问答
Can I use Prim's algorithm instead of Dijkstra's to find shortest path?

I have been fighting all day in understanding Dijkstra\'s algorithm and implementing with no significant results. I have a matrix of cities and the开发者_如何学Goir distances. What I want to do is to[详细]

2023-02-18 04:11 分类：问答