Longest Path in a Graph: Difference between revisions
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=External= | |||
* https://en.wikipedia.org/wiki/Longest_path_problem | |||
* https://www.geeksforgeeks.org/find-longest-path-directed-acyclic-graph/ | |||
=Internal= | =Internal= | ||
* [[Graphs#Graph_Algorithms|Graphs]] | * [[Graphs#Graph_Algorithms|Graphs]] | ||
=Overview= | =Overview= | ||
The longest path problem is an NP-Hard problem for general graphs. However, the longest path can be computed on O(n) time for directed acyclic graphs. | |||
=Longest Path in a Directed Acyclic Graph= | |||
Topologically sort the directed acyclic graph: | |||
{{Internal|Topological_Sort_of_a_Directed_Acyclic_Graph#Overview|Topological Sort of a Directed Acyclic Graph}} | |||
Then <font color=darkkhaki>TODO: https://www.geeksforgeeks.org/find-longest-path-directed-acyclic-graph</font>. | |||
Latest revision as of 04:45, 9 November 2021
External
- https://en.wikipedia.org/wiki/Longest_path_problem
- https://www.geeksforgeeks.org/find-longest-path-directed-acyclic-graph/
Internal
Overview
The longest path problem is an NP-Hard problem for general graphs. However, the longest path can be computed on O(n) time for directed acyclic graphs.
Longest Path in a Directed Acyclic Graph
Topologically sort the directed acyclic graph:
Then TODO: https://www.geeksforgeeks.org/find-longest-path-directed-acyclic-graph.