Introduction Braincopter is an esoteric Brainf*** derivative that encodes a Brainf*** program as an image. As a 2D language, it uses two additional commands; they rotate the instruction pointer (initially pointing right) clockwise and counterclockwise. Braincopter is very similar to Brainloller,...

Introduction The lexicographical permutations of a list with n elements can be numbered from 0 to n! - 1. For example, the 3! = 6 permutations of (1,2,3) would be (1,2,3), (1,3,2), (2,1,3), (2,3,1), (3,1,2), (3,2,1). A permutation of a list can be thought of as a function that transforms an ord...

Randomized Pumpkin Patch code-golf ascii-art random I was walking through a pumpkin patch yesterday for a birthday party, and noticed the pumpkin vines making a nifty pattern, with whirls, loops, and offshoots. We're going to simulate that here with some ASCII art. (()) \...