ConnectedComponents

ConnectedComponents[g] gives the connected components of the graph g.

ConnectedComponents[g,{v1,v2,…}] gives the connected components that include at least one of the vertices v1, v2, … .

ConnectedComponents[g,patt] gives the connected components that include a vertex that matches the pattern patt.

ConnectedComponents[{v->w,…},…] uses rules v->w to specify the graph g.

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