The problem is to find the point minimizing the travel distance for around 100 persons in different regions who want to meet in the same place. Travel is by car not by plane. Assuming that I get ...
There is a mouse in a room, in the top-left corner. It can move up, down, left, or right, and the mouse cannot go through any cell in the room twice. Given this, return all the possible paths in which ...
Background In a galaxy (and possibly a universe) far, far away... there was a spaceship and a bunch of planets. A malfunction on board caused the spaceship to run out of fuel. It is now moving at a ...
Description There will be a grid of 9x9, where there will be placed 12 rocks. You will start at a starting-rock and walking with a starting-direction (north, south, west or east), whenever you see a ...
Getting hit in the knee with arrows seems to be the injury of choice right now. As such, I propose the following golf challenge. You have an adventurer that looks like this: O /|\ / | \ | | ...
You are a railroad entrepreneur in the 19th-century United States when trains become popular because they are most efficient means of transporting large volumes of materials by land. There is a ...
Matthew likes solving puzzles. Whenever he manages to solve one he skips around happily. Recently he really needs to do this as a meteor shower has opened craters and holes in the ground in which he ...
Given a maze on stdin and an entry point, write a program that prints a path to the exit on stdout. Any path is acceptable, as long as your program does not generate the trivial path (passing through ...
The challenge The shortest code by character count to help Robot find kitten in the fewest steps possible. Golfers, this is a time of crisis - Kitten gone missing and it's Robot's job to find it! ...