@[lnw143](/user/767819) https://blog.csdn.net/qq_41976613/article/details/105026946
by wei2013 @ 2024-04-20 07:38:09
@[wei2013](/user/1060672) 不如 [OI Wiki](https://oi-wiki.org/basic/complexity/)
by M1ndeveloped @ 2024-04-20 07:46:51
@[M1ndeveloped](/user/142114) %%%，OI wiki过于高深，蒟蒻看不懂
by wei2013 @ 2024-04-20 07:48:59
$f(n)$ = $O(n)$的含义是$\lim_{n \to \infty}\frac{f(n)}{n} = k$，k是一个常数。
$O(n^2)$的定义是类似的。
by 行吟啸九州 @ 2024-04-21 12:06:20