Don't get very caught up in the drawing. I think you grasp the concept already. A tree with multiple branches and sub branches. Create your own picture in your mind. H.R. Soltani -----Original Message----- From: programmingblind-bounce@xxxxxxxxxxxxx [mailto:programmingblind-bounce@xxxxxxxxxxxxx] On Behalf Of Alex Hall Sent: Wednesday, October 20, 2010 10:54 AM To: programmingblind@xxxxxxxxxxxxx Subject: Re: trees? In this case, I am talking about a tree os possibilities, where the root is where you start and each of the root's children can have 0 or more subtrees of their own... You see why this is so hard to represent in an accessible way. On 10/20/10, Phil Vlasak <pcsgames@xxxxxxxxxxx> wrote: > Hi Alex, > In an architecture plan, a tree is a circle with a dot at the center. The > point represents the center of the trunk, and a circle represents the > average distance the branches reach out. > > ----- Original Message ----- > From: "Alex Hall" <mehgcap@xxxxxxxxx> > To: "programmingblind" <programmingblind@xxxxxxxxxxxxx> > Sent: Wednesday, October 20, 2010 10:32 AM > Subject: trees? > > >> Hi all, >> We are doing trees in an algorithms class I am taking. The assignment >> coming up is the "n queens" problem, where you have an n by n board >> and must place n queens on the board such that no two queens share the >> same row, column, or diagonal line. To "help" explain this, the >> professor is using a tree on the board. I am completely confused! She >> says I do not need to think of it in terms of trees, yet the only way >> she explains it is in tree terms, so I am not sure what she is talking >> about. Of course I know about trees, but when she tries to explain how >> the code we are looking at relates to the tree in terms of what the >> code is supposed to do, I haven't a clue as to what she is trying to >> say. Does anyone have any thoughts on how to represent trees, whether >> in braille or speech, or a good notation/substitute for a tree? TIA. >> >> -- >> Have a great day, >> Alex (msg sent from GMail website) >> mehgcap@xxxxxxxxx; http://www.facebook.com/mehgcap >> __________ >> View the list's information and change your settings at >> //www.freelists.org/list/programmingblind >> > > > ---------------------------------------------------------------------------- ---- > > > > No virus found in this incoming message. > Checked by AVG - www.avg.com > Version: 9.0.862 / Virus Database: 271.1.1/3207 - Release Date: 10/19/10 > 14:34:00 > > __________ > View the list's information and change your settings at > //www.freelists.org/list/programmingblind > > -- Have a great day, Alex (msg sent from GMail website) mehgcap@xxxxxxxxx; http://www.facebook.com/mehgcap __________ View the list's information and change your settings at //www.freelists.org/list/programmingblind __________ View the list's information and change your settings at //www.freelists.org/list/programmingblind