Hi, Thanks for the answer. I copy the solution here:
According to wikipedia: "The original structure was invented in 1972 by Rudolf Bayer and named "symmetric binary B-tree," but acquired its modern name in a paper in 1978 by Leonidas J. Guibas and Robert Sedgewick." Answer from Professor Guidas: " from Leonidas Guibas gui...@cs.stanford.edu to of the "Red-Black" term mailed-by cs.stanford.edu hide details 16:16 (0 minutes ago) we had red and black pens for drawing the trees." Laszlo On Wed, Apr 11, 2012 at 19:39, Ian Kelly <ian.g.ke...@gmail.com> wrote: > On Wed, Apr 11, 2012 at 11:14 AM, Jabba Laci <jabba.l...@gmail.com> wrote: >> Hi, >> >> It's not really a Python-related question, sorry for that. Does anyone >> know why red-black trees got these colors in their names? Why not >> blue-orange for instance? I'm just curious. > > http://programmers.stackexchange.com/questions/116614/where-does-the-term-red-black-tree-come-from -- http://mail.python.org/mailman/listinfo/python-list