Bishop vs Aliens
一个孤独的象发现自己站在一个奇特的m * n 棋盘的（零基索引）方(x, y) 上，这个棋盘漂浮在外太空，上面覆盖着完全无摩擦的魔法冰。这个棋盘不一定是正方形，也可以是任何整数尺寸的矩形。棋盘四面都有类似桌上曲棍球的弹力墙。棋盘上的一些方格包含aliens ，任何人进入该方格都会导致游戏结束。
象最初可以将自己推进到四个对角线方向中的任何一个。在最初的推动力之后，主教就不能再控制自己在无摩擦冰面上的移动了，而是会根据当前的方向矢量和墙壁的反弹力不断滑向任何一端。主教甚至有可能永远重复同样的方格循环。
主教必须到达棋盘四个角上四个可能出口中的任何一个。该函数应确定是否存在至少一个起始方向，能将主教引向四个角中的任何一个安全出口，同时避开沿途的所有...
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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