[洛谷全站帮助](https://www.luogu.com.cn/blog/luogu/luogu-help)
by 膜你抄 @ 2020-04-08 16:24:48
@[L_C_A](/user/235926) 建议：实在调不出来可以放上一两天 ~~（或者看一遍题解）~~
by K0stlin @ 2020-04-08 16:28:14
@[Gooder_tmi](/user/114830) 看过了
by 1kri @ 2020-04-08 16:38:24
改标题：新人求助，打字机那题，本机ac提交re
by YUYGFGG @ 2020-04-08 16:52:25
新人求助，打字机那题，本机ac提交re
by gongyr @ 2020-04-08 18:15:44