One of the things we want to help you do is identify the different classes of algorithms, what their costs are, and how you can map problems into the most efficient class to do the computation.
我们想要教会你们的事情之一就是,学会辨别不同种类的算法,它们的代价是怎么样的,以及怎么样把问题映射到,最有效的算法种类中去做计算。
All right, I want to show you one last example of using recursion because we're going to come back to this. This is a classic example of using recursion. And that is dating from the 1200s and it is due to Fibonacci.
并且返回答案,我想给你看看递归的最后一个例子,因为我们还要再看一遍,这是一个递归的经典案例,它可以追溯到13世纪。
And so do we want to say, do you want to argue that is just one instance of one of these bubbles, one of these manias take place even in free market.
那么您是否可以这么说,这只是众多泡沫,或者众多不规范行为中的一项,自由市场经济也不是万能的。
Well, we certainly didn't know on day one how many times each of you was going to want to call get string, how many words a user might type when you call get string.
好的,当然我们不知道第一天你们,想要调用GetSting多少次,当你调用GetSting时,用户会输入多少单词。
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