So in this case, it just keeps chopping down from the back end, which kind of makes sense, all right? But in a fixed number, in fact, twenty-three calls, it gets down to the point of being able to say whether it's there.

所以在这个例子中,我们能理解他从后端开始排除元素，这，里事实上每次会确定的运行23次，找到最终的元素,我们来换个方向，对。

麻省理工公开课 - 计算机科学及编程导论课程节选