您也没交这题啊,还是您开完隐了? 我在洛谷 IDE 测的没问题 by Tibrella @ 2023-06-19 19:47:40
@[Tibrella](/user/655192) [洛谷在线IDE](https://www.luogu.com.cn/ide) 现在AC了 by __erinww @ 2023-06-19 19:58:09