Disposable Teleports
The island has eight stations which are connected by a network of teleports;
however, the teleports take a very long time to recharge.
This means you can only use each one once.
After you use a teleport, it will shut down and no longer function.
But you can visit any station more than once.
For this task, you should begin at number 1 and try to travel around to all the stations before returning to the starting point.
The map of the teleports is presented as a string in which the comma-separated list represents teleports.
Each teleport is given the name of the station it connects to. This name consists of two digits, such as '12' or '32.'
Each test requires you to provide a route which passes through every station.
A route is presented as a string of the station numbers in the sequence in which they must be visited
(ex. 123456781).
Input: A teleport map as a string.
Output: The sequence of station numbers as a string.
Example:
checkio("12,23,34,45,56,67,78,81") == "123456781"
checkio("12,28,87,71,13,14,34,35,45,46,63,65") == "1365417821"
checkio("12,15,16,23,24,28,83,85,86,87,71,74,56") == "12382478561"
checkio("13,14,23,25,34,35,47,56,58,76,68") == "132586741"
How it is used: This task is another example of the graph-search problem. It’s like trying to find a route where you can not to step on the same spot twice.
Precondition:
len(stations) == 8
Teleports are not repeated and undirected.
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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