只需注意P2574的灯刚开始时并不是全部熄灭的
by qzmoot @ 2024-05-06 17:30:17
好人一生一世
by CornWorld @ 2024-05-08 20:51:25
感谢
by hubin1 @ 2024-05-11 22:49:48
@[qzmoot](/user/774854) 五倍经验
还有[P5057](https://www.luogu.com.cn/problem/P5057)
by sketchi @ 2024-05-30 21:45:17
@[sketchi](/user/1034235) 哦！忘记加上了
by qzmoot @ 2024-05-31 13:49:55