考虑到人肉简化可能有点过于垃圾，[原题截图](https://www.luogu.com.cn/problem/U414894)
by _qingshu_ @ 2024-03-18 20:14:45
qp支持（捞到了tt我
by Aaa_liang @ 2024-03-19 10:28:16
应该是个 CF 原题？如果我没看错的话应该是 CF1510J
by luanmenglei @ 2024-03-19 10:59:44
@[luanmenglei](/user/139066) 谢谢您
by _qingshu_ @ 2024-03-19 11:04:41
啊~塞壬人鱼~通过了~很开心~
by _qingshu_ @ 2024-03-19 20:47:52