Subj : Re: how many trees are possible if i have n nodes ?? To : comp.programming From : Thad Smith Date : Wed Sep 14 2005 10:44 pm maadhuu wrote: > hello, i would want to know as to how many trees are possible if there are > n nodes present. To help you answer your question, first define a possible tree. Do you mean an acyclic graph connecting the n nodes with one node designated as the root? Most all nodes be contains in a possible tree? Thad .