This challenge involves drawing pictures on a screen or generating image files. For ASCII art output, use [tag:ascii-art]. For images as input, use [tag:image-processing].
10
votes
5answers
1k views
“Sorry, young man, but it's Turtles all the way down!”
Execute a Lindenmayer System
A Lindenmayer System (or L-system) is related to Thue and Post systems, and is used in botanical modeling and fractal generation.
Your task is to execute an L-system in ...
4
votes
8answers
817 views
Output a playable crossword grid
Write a program to produce a file containing a crossword grid
that the user can print out and work the puzzle on.
Input
A filename representing a crossword grid file and
optionally a second ...
