Introduction You're playing a matching game, in which coins are inserted at the top and fall to the bottom (onto the top coin) due to gravity. So this O <- inserting this coin OO O OOOOO will ...
Given a string where the first line contains spaces and one period (., the "ball"), followed by lines containing spaces, forward slashes (/), and backslashes (\), determine what column the ball will ...
A man lives in the north-west corner (0, 0) of a town with height h and width w . Everyday he walks from his home to the border (?, w) or (h, ?). In the following example, the man goes to (3, 3) ...
Welcome, brave code golfer! Today you will stand in the midst of a great battle between a goblin and an elf! goblin attacks elf! elf dodges! elf attacks goblin! elf hits goblin for 13 ...
This question is slightly harder than the ASCII art version. There is no art, and now you get to do some floating point arithmetic! The Challenge The U.S.S. StackExchange was traveling through the ...
The Machine A billiard-ball type machine is composed of only the symbols \ _ / along with upper- and lower-case letters, spaces, and the number 1. \ and / are ramps. A ball coming from above will be ...
Researchers recently discovered an interesting bee colony that lives in an infinite field of honeycomb: Each cell can house a bee or not. In fact, the lives of those creatures appear to be a bit ...
The shortest code to pass all possibilities wins Many grid based games have been made that start off with a grid of lights that are switched on. Pressing any of the lights causes that light and the ...