What is the time complexity of DFS?
An example of an AI chatbot conversation about the time complexity of Depth First Search (DFS).
Can you explain the time complexity of Depth First Search?
Sure! The time complexity of Depth First Search (DFS) is O(V + E), where V is the number of vertices and E is the number of edges.
What do V and E represent in this context?
In this context, V represents the number of vertices (or nodes) in the graph, and E represents the number of edges connecting those vertices.
Why is it O(V + E) and not just O(V)?
It's O(V + E) because DFS needs to explore all vertices and all edges in the graph to ensure it visits every node.
Can you give an example of how DFS works?
Certainly! Imagine a graph with nodes A, B, C, and edges connecting them. DFS starts at A, explores B, then C, visiting each node until all are explored.
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