First is big o notation.

首先是大写的字母“O”标记。

youdao

What 's Big o notation on this specific code?

什么是大o符号在这个特定的代码？

youdao

In particular, it really helps to understand the ideas in algorithmic efficiency and Big-O notation.

特别是，算法效率和大0符号能帮助你真正的理解你的想法。

youdao

N --O So we introduced this notation big O which generally refers to worst case.

的平方。，So，，N，squared。,这里我们介绍一个符号,它泛指最坏的情况。

哈佛公开课 - 计算机科学课程节选

We covered concepts like Big O Notation and binary trees.

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