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Kosaraju's Algorithm for Strongly Connected Components 【O(V+E)】

Kosaraju algorithm is a DFS based algorithm used to find Strongly Connected Components(SCC) in a graph. It is based on the idea that if one is able to reach a vertex v starting from vertex u, then one should be able to reach vertex u starting from vertex v

Algorithms

Tarjan's Algorithm to find Strongly Connected Components

Tarjan's Algorithm is an efficient graph algorithm to find the strongly connected components in a directed graph in linear time by utilizing Depth First Search traversal of a graph. The key idea used is that nodes of strongly connected component form a subtree in the DFS spanning tree of the graph.