And the obvious question I could start with is, and suppose I ask you, how long does the algorithm implemented by this program take to run?

我开始这个话题的第一个问题是，假设我问你，由这个算法实现的程序大概,要运行多久才能给出答案？

麻省理工公开课 - 计算机科学及编程导论课程节选

And in fact, if you look down- and I'm just going to highlight this portion, I'm not going to run it- but if you look down here, that's exactly what that does.

实际上，如果你往下看-,我正要强调这一部分，我不会去运行它-,但是如果你看看这儿的话，这个方法确实就是这么做的。

麻省理工公开课 - 计算机科学及编程导论课程节选

I can tell you the answer, but that's because I've cheated, run the program before.

我可以告诉你答案，但这是因为我作弊了，我之前运行过一次程序。

麻省理工公开课 - 计算机科学及编程导论课程节选

Another way of saying it is, I've actually said, what did I use there, and , It's basically saying there is the first point, there's the second point, add them together and I get that point.

我要去做的是-对不起，再运行一次-好，你可以看到我已经把，这两个点的坐标值加到一块儿了，然后返回了r的值,我会让大家看到我们，实际上得到的是什么，这看起来不错，好,我做了正确的操作。

麻省理工公开课 - 计算机科学及编程导论课程节选