请不要无意义回复，谢谢qwq
by zhoukangyang @ 2020-07-15 18:57:18
菜蛙热情地离开了
by Froggy @ 2020-07-15 18:57:43
@[Froggy](/user/100285) 蛙神帮帮我/kel 这题我做了一个下午了QAQ
by zhoukangyang @ 2020-07-15 19:00:25
借帖求助
https://www.luogu.com.cn/discuss/show/237709
by _cmh @ 2020-07-15 19:03:15
@[Froggy](/user/100285)
大佬两分钟，蒟蒻5小时啊 $\rm QAQ$
by zhoukangyang @ 2020-07-15 19:03:37
@[zhoukangyang](/user/173660)
cut写错了吧
by Froggy @ 2020-07-15 19:09:37
遵命，我马上去改
by zhoukangyang @ 2020-07-15 19:10:18
@[Froggy](/user/100285) 不过哪里错了呢 /fad
by zhoukangyang @ 2020-07-15 19:11:39
$\tt makeroot$ 和 $\tt split$ 应该都是可以的吧
by zhoukangyang @ 2020-07-15 19:12:19
没事我好像看错了
by Froggy @ 2020-07-15 19:16:01