Forgetful Prisoner Forgetful Prisoner
Simple+
English

Consider The Dark Labyrinth to have been your training before taking on this challenge, young grasshopper. Once again, you find yourself in a labyrinth. It's dark and the batteries in your flashlight have died. Due to your preparedness, you have in your possession an ultrasound scanner which can define the depth of passages in four directions. If you think that this will solve all your problems, then we have some news for you. You can not remember anything and use the scanner memory card. But it has an extremely limited capacity and can only remember 100 bits between runs.

The labyrinth is 12x12 cells and surrounded by walls on all sides. Keep in mind, you are surrounded by darkness, so be careful to not run into a wall. This is a "multicall" mission and as such, your function will be called until you have solved the maze or run out of moves. For each iteration you receive a dictionary with information about the distances of walls in four directions: "N" - North, "S" - South, "W" - West and "E" - East. For example: if a neighbour cell is wall, then the distance is 0. You will see the exit only when you enter the exit cell.

The second function...

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CheckiO Extensions

CheckiO Extensions allow you to use local files to solve missions. More info in a blog post.

In order to install CheckiO client you'll need installed Python (version at least 3.8)

Install CheckiO Client first:

pip3 install checkio_client

Configure your tool

checkio --domain=py config --key=

Sync solutions into your local folder

checkio sync

(in beta testing) Launch local server so your browser can use it and sync solution between local file end extension on the fly. (doesn't work for safari)

checkio serv -d

Alternatevly, you can install Chrome extension or FF addon

checkio install-plugin
checkio install-plugin --ff
checkio install-plugin --chromium

Read more here about other functionality that the checkio client provides. Feel free to submit an issue in case of any difficulties.

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