Sort Array by Element Frequency Sort Array by Element Frequency
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Відсортуй даний масив так, щоб його елементи стали згруповані і ці групи йшли в порядку спадання частоти, тобто кількості появи елемента в послідовності. Якщо два елементи мають однакову частоту, їх групи повинні йти в порядку першої появи елемента в початковому масиві.

Якщо ти хочеш більше попрактикуватися...

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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=js 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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