Apr 7, 2014 · Your code is really confusing: there are 2 different variables named G, unused variable S, and so on. I guess your code just finds ways with no more than 2 edges, as you …

Oct 23, 2012 · It says A* is faster than using dijkstra and uses best-first-search to speed things up. A* is basically an informed variation of Dijkstra. A* is considered a "best first search" …

Oct 31, 2012 · Can somebody tell me why Dijkstra's algorithm for single source shortest path assumes that the edges must be non-negative. I am talking about only edges not the negative …

Jun 27, 2016 · As per my understanding, I have calculated time complexity of Dijkstra Algorithm as big-O notation using adjacency list given below. It didn't come out as it was supposed to …

Nov 10, 2020 · I'm learning the Dijkstra algorithm and I am testing out this code from GeeksforGeeks. I want the program to print the path for the shortest distance between 2 …

Apr 21, 2017 · Therefore, dijkstra has the advantage over A* which is that it works for any general graph (with the exception of A* being faster in some cases). It could well be that certain …

Aug 26, 2009 · Dijkstra’s algorithm uses the edge’s weight as a distance function, so we need to pass something like distance = lambda(e) → e.weight BFS only takes into account the number …

I was reading about worst case time complexity for the Dijkstra algorithm using binary heap (the graph being represented as adjacency list). According to Wikipedia and various stackoverflow …

Mar 14, 2017 · A: Dijkstra's Algorithm at every step greedily selects the next edge that is closest to some source vertex s. It does this until s is connected to every other vertex in the graph. …

Jul 11, 2012 · 37 I am reading up on Dijkstra's algorithm and the Floyd-Warshall algorithm. I understand that Dijkstra's finds the optimal route from one node to all other nodes and Floyd …