Why don't I just keep track on each pass through the algorithm whether I have done any swaps?

我为什么不仅仅跟踪算法的,每一遍来看看我做了哪些交换呢？

麻省理工公开课 - 计算机科学及编程导论课程节选

All right? Because if I don't do any swaps on a pass through the algorithm, then it says everything's in the right order.

好么？因为如果我,这一遍没有做任何交换，那么就意味着已经排好序了。

麻省理工公开课 - 计算机科学及编程导论课程节选