What is the difference between a directed and undirected graph
Mar 29, 2018 · The difference is the same as between one directional and bidirectional streets - in directed graph, the direction matters and you can't use the edge in the other direction. An …
Is Dijkstra's algorithm for directed or undirected graphs?
In the context of Dijkstra's algorithm, whether the graph is directed or undirected does not matter. Dijkstra's algorithm simply references the adjacent vertices of a vertex. It is this adjacency list …
algorithm - Cycles in an Undirected Graph - Stack Overflow
The graph is undirected, and therefore, the when the algorithm inspects an edge, there are only two possibilities: Either it has visited the other end of the edge, or it has and then, this edge …
Give the minimum and the maximum number of edges in an …
Nov 24, 2014 · Yes.. The minimum number of edges for undirected connected graph is (n-1) edges. To see this, since the graph is connected then there must be a unique path from every …
Are Trees Directed or Undirected Graphs? - Stack Overflow
Jan 14, 2013 · I have read that Trees are special cases of Graphs. Graphs can be directed or undirected. But if we consider tree as a data structure is it directed or undirected graph?
Finding Strongly Connected Components in Undirected Graphs
Sep 19, 2023 · 3 I want to find a strongly connected components in undirected graph i.e If i start from a Node A then i will get back to node A and each edge is visited exactly by once. For …
vertices - Undirected connected graphs - Stack Overflow
I'm confused as to whether an undirected graph can be considered connected? For example: A---B---C Say that we have three vertices, A, B and C. If the graph is undirected like the one …
how can a breadth-first-search-tree include a cross-edge?
Sep 29, 2016 · The process of building a spanning tree using BFS over an undirected graph would generate the following types of edges: Tree edges Cross edges (connecting vertices on …
How to detect a cycle in a undirected graph? - Stack Overflow
Oct 30, 2022 · Good morning, currently I am stuck on trying to figure out how to detect a cycle in a undirected graph where the keys are strings. my code so far: public boolean hascycle() { …
Finding all cycles in undirected graphs - Stack Overflow
Sep 11, 2012 · Finding all cycles in an undirected graph Cycles in an Undirected Graph -> detects only whether there is a cycle or not Finding polygons within an undirected Graph -> very nice …