Why does Dijkstra algorithm work even when distance is not ... - Reddit
Apr 24, 2022 · How is this possible? Why does dijkstra works even without really using a pq? ** UPDATE, thanks for all the comments guys. Can someone please address my questions below. Is it …
Do you get asked to implement famous algorithms in interviews?
IMO interviewers expect many more niche algorithms than Dijkstra’s algorithm, e.g. Floyd’s turtle and hare cycle detection. As always, it’s better to understand ideas behind these kind of problems …
Help Me Understand Dijkstra's Algorithm : r/learnprogramming - Reddit
Dec 12, 2012 · Dijkstra's algorithm isn't just for finding the shortest route between to points, it used to find the shortest path throughout the whole graph. Starting from an arbitrary point in the graph, …
Solved 1. Consider the following network. With the indicated - Chegg
Question: 1. Consider the following network. With the indicated link costs, use Dijkstra’s shortest- path algorithm to compute the shortest path from a) x to all network nodes. b) t to all network nodes. c) v …
Can dijkstra's algorithm work for graph with negative edges ... - Reddit
May 9, 2024 · Dijkstra's algorithm for finding shortest paths in a weighted graph can be understood as a modified breadth-first search (BFS) algorithm. Imagine transforming the weighted graph by replacing …
What's an intuitive explanation of Dijkstra's Algorithm? : r ... - Reddit
Nov 20, 2014 · What's an intuitive explanation of Dijkstra's Algorithm? We're currently learning algorithms and correctness of algorithms in my discrete math class, but I can't seem to get my head …
Djikstra's algorithm : r/ProgrammerHumor - Reddit
Feb 6, 2017 · Yup, and Dijkstra's algorithm is a special case of A* with a really overly optimistic heuristic (x -> 0). In the case of a 2D road network (which is presumably what separates Dijkstra from bae), A* …
Time complexity of Dijkstra algorithm : r/algorithms - Reddit
Jun 21, 2021 · Time complexity of Dijkstra algorithm have seen in a lot of articles and here also that the time complexity of dijkstra is O (V + ElogV) But shouldn't the time complexity be O (V + ElogE)? …
Solved 1. Apply Dijkstra’s algorithm to the graph below | Chegg.com
Apply Dijkstra’s algorithm to the graph below starting from vertex A. Enter the predecessor and distance arrays after the initialization pass. The distance array should be first, with spaces between each …
Dijkstra on negative weights : r/algorithms - Reddit
Apr 21, 2020 · The proof of optimality of Dijkstra's algorithm assumes no negative edges whatsoever. The proof fails if you introduce negative edges, as there could be some massively negative edge to …