And so if you choose to elect the hacker edition of this week's problem set the challenge will be to figure out not only how to implement the game but how to implement a solver for the game.
因此，如果你选择这周的应用题目为升级版，那么你将面临的挑战，不仅是如何实现这个游戏，而且，要实现此游戏的解决方法。
Substantial in content, the elaboration full subject card may elect for the essence, also may in choose the essence in the foundation other to reward;
内容充实、论述充分的主题帖子可以选为精华，也可以在选精华的基础上另外奖励；
Substantial in content, the elaboration full subject card may elect for the essence, also may in choose the essence in the foundation other to reward;
内容充实、论述充分的主题帖子可以选为精华，也可以在选精华的基础上另外奖励；
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