So it's certainly at least linear in the length of the list. For each starting point, what do I do?

它至少是线性的计算列表的长度,每次到了循环开始的点？

麻省理工公开课 - 计算机科学及编程导论课程节选

I can be a little more careful about keeping track of what goes on inside of that loop. If I don't have any more work to do, let me just stop.

我能更小心点来跟,踪循环里发生了什么,如果没什么可干的了，就停下来吧。

麻省理工公开课 - 计算机科学及编程导论课程节选

Do nothing, close your loop and then down here do something.

不做什么，关闭你的循环，然后到这里做点事情。

哈佛公开课 - 计算机科学课程节选