On 14/12/2007, John Joyce <dangerwillrobinsondanger / gmail.com> wrote: > As with so many quizzes, I'm going to sit and watch the ping pong > battle royale. I don't know much about binary trees or other such > data structures... There's nothing difficult about trees. There is a root at the top, and from there the branches grow. While binary trees can split only into two branches in one place other trees grow thicker ;-) And if you do not know about AVL trees somebody posted a link to article explaining them already. Even if that looks too long, the quiz is still far from the point when you would use it :) Thanks Michal