I didn't expect it to do this. If you understand why it did what it did, you're half way there.

这样运行的啊，如果你能弄明白为什么,它这么运行，你已经完成了差不多一半了。

麻省理工公开课 - 计算机科学及编程导论课程节选

I chose Bubble Sort on the left Selection Sort on the right and then something called merge sort on the very right hand side and then I started this all off roughly at the same time and what was frankly striking at least to me at the time was, my God it's done.

我在左边选择冒泡排序，在中间选选择排序,在最右边选择归并排序,然后同时将它们启动,在那时，至少我是震惊了,天哪，它已经完成了。

哈佛公开课 - 计算机科学课程节选