 
 #include <gunrock/app/enactor_base.cuh>
 #include <gunrock/app/dobfs/dobfs_problem.cuh>
+#include <gunrock/app/bfs/bfs_functor.cuh>
 #include <gunrock/app/dobfs/dobfs_functor.cuh>
 
 

            VertexId,
            SizeT,
            DOBFSProblem> SwitchFunctor;

        cudaError_t retval = cudaSuccess;


        typedef typename DOBFSProblem::SizeT      SizeT;
        typedef typename DOBFSProblem::VertexId   VertexId;

        // Functors for reverse BFS
        typedef PrepareUnvisitedQueueFunctor<
            VertexId,
            SizeT,
