```cpp
fread快读 < 一般快读 < 关同步cin < scanf < 不关同步cin
```
by Terrible @ 2020-05-30 18:56:11
@[Terrible](/user/195942) 谢谢orz
by hanyuchen2019 @ 2020-05-30 18:59:22
此贴终结，下方为%noip区
---
by hanyuchen2019 @ 2020-05-30 19:00:24
noip!
by WanderingTrader @ 2020-05-30 19:00:50
$\color{purple}\pmod{noip}$
by Terrible @ 2020-05-30 19:02:50
noip！
by Starlit_Night @ 2020-05-30 19:06:38
一般情况下，scanf都过不了就不是你输入的问题了……
by Luban @ 2020-05-30 19:08:01
@[Terrible](/user/195942) cin TLE（1.2s那种）
scanf 最慢点200ms-
by Luban @ 2020-05-30 19:08:35