介绍一道消失的题目：rainbow
by TianLuen @ 2020-02-03 09:05:17
我现在消灭了RE，还有TLE和WA
by 绝顶我为峰 @ 2020-02-03 09:15:06
@[绝顶我为峰](/user/85682) [彩虹](https://www.luogu.com.cn/record/23935562)
by zhy137036 @ 2020-02-03 10:22:33