This is a water problem.

Status	Submit By	Time	Memory	Language	Code	Submit At
AC	2501zhaoyongquan	2ms	356 KiB	C++20	378 Bytes	2025-11-12 17:01:48
AC	神人otto	2ms	320 KiB	C++17(O2)	723 Bytes	2025-11-21 20:40:22
AC	兰一宁	2ms	404 KiB	C++17(O2)	460 Bytes	2025-11-19 0:23:40
AC	2501 秦雪松	2ms	324 KiB	C++17(O2)	432 Bytes	2025-11-19 19:10:03
AC	zhujiankang	2ms	484 KiB	C++17(O2)	382 Bytes	2025-11-12 23:36:15
AC	Red	2ms	1 MiB	C++11	435 Bytes	2025-11-13 16:22:17
AC	2024zhuangzheng	3ms	320 KiB	C++17(O2)	437 Bytes	2024-12-5 23:02:31
AC	2024zhaibowen	4ms	356 KiB	C++17(O2)	685 Bytes	2024-12-11 21:20:02
AC	2025裴梓杰	6ms	1.6 MiB	C++17(O2)	601 Bytes	2025-10-31 13:08:04