课堂讲稿会在前两节课中发放。

Lecture notes are available for the first two sessions.

youdao

前两节课结束。终于盼来了25分钟大课间，可以出去透透气，再抓紧时间写点作业。

The first two classes finish and the 25-minute break finally arrives. I need to go out to get some fresh air. Then, I return to the classroom and do some homework.

youdao

Boy, there's a dumb question, because I've been telling you n log n for the last two lectures the complexity is n log n, but let's see if it really is.

孩子们，这是一个愚蠢的问题，因为前两节课的时候我就已经告诉你们了,复杂度是,但是让我们来看一下是不是真的是这样。

麻省理工公开课 - 计算机科学及编程导论课程节选