So, again, there could be constants in here, but just to give you a sense of this.

但是这只是让大家去有个印象，如果我一秒钟运算十亿次。

麻省理工公开课 - 计算机科学及编程导论课程节选

Let's suppose n is 1000, and we're running at nanosecond speed.

假入我们一秒钟运算十亿次，我们已经看过了对数级，线性增长的。

麻省理工公开课 - 计算机科学及编程导论课程节选