In DFS how many times is a node visited

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In DFS, how many times is a node visited?

I'm a bit confused about how many times a node is visited in DFS. I thought each node might be visited multiple times if there are cycles in the graph, but I’ve also read that DFS should only visit each node once

Nov 12 in Web Development by Nidhi
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1 answer to this question.

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In Depth-First Search (DFS), each node is visited once when it is initially discovered. Once DFS visits a node, it marks it as visited, so it does not revisit the node in the same DFS traversal.

However, depending on the implementation, a node may be encountered multiple times when revisiting neighbors, but it’s only processed once.
answered Nov 13 by kavya

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