@[暗影之梦](/user/382274) [现在是 #9 WA，无解判有解](https://www.luogu.com.cn/paste/34old5o8)
我也没弄懂为什么有解会判成无解
by Missa @ 2022-09-28 20:20:20
@[暗影之梦](/user/382274) [好了，经过神秘操作后能过了](https://www.luogu.com.cn/paste/vrm1yiap)
by Missa @ 2022-09-28 20:49:17