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Em uma copa do mundo de ping-pong, a chave decisiva possui 16 posições numeradas de 1 a 16. Os jogadores enfrentam-se de acordo com suas posições na chave, e todos querem evitar enfrentar o Mestre Kung até as fases finais.


Dadas as posições de Mestre Kung e Mestre Lu na chave, seu programa deve determinar em que fase eles se enfrentarão, assumindo que ambos vençam suas partidas até o encontro entre eles.

Entrada Dois inteiros K e L, onde K representa a posição de Mestre Kung na chave e L representa a posição de Mestre Lu.

Saída: Uma string indicando a fase em que Mestre Kung e Mestre Lu vão se enfrentar: "oitavas", "quartas", "semifinal" ou "final".


    copa(10, 14) >> "semifinal"
copa(7, 8) >> "oitavas"
copa(3, 13) >> "final"
copa(5, 8) >> "quartas"
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Hot keys:
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.

Pair Programming (Beta-version)

Welcome to Pair Programming! Engage in real-time collaboration on coding projects by starting a session and sharing the provided unique URL with friends or colleagues. This feature is perfect for joint project development, debugging, or learning new skills together. Simply click 'Start Session' to begin your collaborative coding journey!

Waiting for Pair Programming to start...

You are trying to join a pair programming session that has not started yet.

Please wait for the session creator to join.

Waiting for Pair Programming to reconnect...

It looks like the creator of the pair programming session closed the editor window.

It might happen accidentally, so that you can wait for reconnection.

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