什么？签到？

Status	Submit By	Time	Memory	Language	Code	Submit At
AC	xlw	3ms	276 KiB	C	329 Bytes	2022-8-28 14:09:12
AC	刘科厅	3ms	252 KiB	C	421 Bytes	2022-8-28 14:31:29
AC	gaoqi	3ms	248 KiB	C	298 Bytes	2022-8-28 14:28:22
AC	AAAAA3	3ms	276 KiB	C++11	381 Bytes	2022-8-28 19:53:38
AC	书山压力大	6ms	376 KiB	C++11	292 Bytes	2022-8-28 14:24:10
AC	2244599838	6ms	420 KiB	C++11	374 Bytes	2022-8-28 16:00:58
AC	Sherry	7ms	384 KiB	C++11	356 Bytes	2022-8-28 14:26:02
AC	z_z	7ms	396 KiB	C++11	402 Bytes	2024-2-29 20:59:32
AC	mibbp	7ms	380 KiB	C++11	370 Bytes	2022-8-22 19:39:00
AC	oyf	7ms	376 KiB	C++11	721 Bytes	2022-8-28 14:21:19
AC	kibbl	7ms	376 KiB	C++11	372 Bytes	2022-8-28 16:02:47
AC	swpumarshal	7ms	376 KiB	C++11	400 Bytes	2022-8-28 16:28:23
AC	Vicczyq	7ms	504 KiB	C++11	385 Bytes	2022-8-28 14:18:02
AC	Janey	7ms	376 KiB	C++11	356 Bytes	2022-8-19 20:13:52
AC	邓婷婷	7ms	380 KiB	C++11	372 Bytes	2022-8-28 14:10:14
AC	luohaoobo	7ms	376 KiB	C++11	316 Bytes	2022-8-28 14:12:42
AC	ZXL	7ms	376 KiB	C++11	531 Bytes	2022-8-28 18:59:57
AC	swpudxf	7ms	760 KiB	C++11	310 Bytes	2022-8-28 14:08:27
AC	zhaoyu	7ms	384 KiB	C++11	372 Bytes	2022-8-28 14:10:39
AC	lionsong	7ms	388 KiB	C++11	346 Bytes	2022-8-28 14:11:50
AC	Elva	7ms	412 KiB	C++11	512 Bytes	2022-8-28 15:11:17
AC	殷臣不度	7ms	380 KiB	C++11	328 Bytes	2022-8-28 14:08:27
AC	Mathic	8ms	376 KiB	C++11	1.7 KiB	2022-8-28 14:24:52
AC	DRay	8ms	516 KiB	C++11	386 Bytes	2022-8-28 14:07:05
AC	ok one	8ms	376 KiB	C++11	362 Bytes	2022-8-28 15:03:45
AC	supreme	9ms	504 KiB	C++11	603 Bytes	2022-8-28 15:35:52
AC	Janey	10ms	504 KiB	C++11	356 Bytes	2022-8-28 14:02:44
AC	xuan liyu	446ms	11.2 MiB	Java	653 Bytes	2022-8-28 16:48:26