polytree As a command 6 categories below polytree Narrow by bipartite-graph 5 connected-graph 5 data-structure 5 forest-graph 5 rooted-tree 5 tree-data-structure 5 tree-graph 5 undirected-graph 5 binary-tree 4 binary-search-tree 3 self-balancing-binary-search-tree 2 binary-search-tree 3binary-tree 4rooted-tree 5self-balancing-binary-search-tree 2avl-treered-black-tree