Difference and advantages between dijkstra & A star
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" …
Use Dijkstra's to find a Minimum Spanning Tree? - Stack Overflow
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. …
data structures - Is the visited array really needed in Dijkstra's ...
Aug 29, 2022 · This isn't really Dijkstra's algorithm, as Dijkstra's involves each node being added and removed from the priority queue at most once. This version will reinsert nodes in the …
Why does Dijkstra's algorithm work? - Stack Overflow
Aug 15, 2015 · I understand what Dijkstra's algorithm is, but I don't understand why it works. When selecting the next vertex to examine, why does Dijkstra's algorithm select the one with …
Dijkstra's algorithm in C++ - Stack Overflow
May 27, 2015 · I'm required to implement the Dijkstra's algorithm via ADT graph using the adjacency matrix representation for finding a shortest path by enhancing the pseudo code …
Dijkstra's Algorithm and Cycles - Stack Overflow
May 7, 2017 · It's stated in a book that "Dijkstra's algorithm only works with Directed Acyclic Graphs". It appears the algorithm works for graphs with cycles too as long as there are no …
is dijkstra an A* algorithm? - Stack Overflow
May 23, 2025 · Dijkstra's algorithm and A* are both examples of "best-first" graph searches, where a node is expanded when it is currently the "best" open node, as measured by some …
python - How to start Dijkstra's algorithm on a graph stored in a ...
May 2, 2015 · 2 Dijkstra's algorithm solves the single-source shortest-path problem. Given a graph and a vertex in the graph, it finds the shortest path to every other vertex. If you want …
Newest 'dijkstra' Questions - Stack Overflow
Apr 30, 2017 · Is Dijkstra's algorithm the most suitable for finding the shortest distance between two nodes, where all of the paths in the graph are equal to 1. If not what is a more time …
Dijkstra's algorithm with priority queue - Stack Overflow
Feb 19, 2013 · In my implementation of Dijkstra's algorithm I have 1 array with all nodes and 1 priority queue with all nodes. Whenever a node is dequeued I update all adjacent nodes with …