Garland
You are given a sequence lights, where each integer is a distinct light with its brightness. This value determines how many adjacent positions to both left and right the illumination from that light reaches, in addition to illuminating the position of that light itself. (A light whose brightness is zero will therefore illuminate only itself, but doesn’t have anything to shine on its neighbors).
Your task is to turn on as few individual lights as possible so that every position of the entire row is illuminated by at least one light. Since the smallest working subset of lights is not necessarily unique, your function should only return the number of lights needed to illuminate the entire row.
Input: List of integers (int).
Output: Integer (int).
Examples:
assert illuminate_all([0, 0]) == 2 assert illuminate_all([2, 3, 3, 2]) == 1 assert illuminate_all([1, 0, 1, 0]) == 2
The mission was taken from Python CCPS 109. It is taught for Ryerson Chang School of Continuing Education by Ilkka Kokkarinen
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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