Count And Say
Given a string of digits that is guaranteed to contain only digit characters from 0123456789, read that string “out loud” by saying how many times each digit occurs consecutively in the current bunch of digits, and then return the string of digits that you just said out loud.
As silly and straightforward as this count-and-say sequence problem might initially seem, it required the genius of a mathematician of no lesser caliber than the late great John Conway himself not only to notice the tremendous complexity ready to burst out from just below the surface when this operation is repeatedly iterated to produce an infinite sequence of such digit strings, but also capture that whole mess into a symbolic polynomial equation, as the man himself explains in this video.
You can also check out the related construct of the infinitely long and yet perfectly self-describing Kolakoski sequence where only the lengths of each consecutive block of digits is written into the result string, not the actual digits.
Input:...
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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