In the pseudocode for the dfs function for partitioning the vertices in a graph into disjointed components, what is the missing pseudocode statement?
dfs(graph, v, s): mark v as visited s.add(v) for each vertex, w, adjacent to v: if w is unvisited:
A. s.add(w)
B. dfs(graph, v, s)
C. s.add(v)
D. dfs(graph, w, s)
Answer: D
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