半棵圣诞树：递增

Status	Submit By	Time	Memory	Language	Code	Submit At
AC	liuhaoqi	3ms	9 MiB	C++98	320 Bytes	2025-1-28 16:03:07
AC	heliangyu	3ms	9 MiB	C++98	382 Bytes	2025-2-8 9:23:41
AC	xyls	3ms	9 MiB	C++98	209 Bytes	2025-1-22 9:22:10
AC	jiangxingxing	4ms	9.1 MiB	C++98	203 Bytes	2025-11-8 10:55:28
AC	huangshengfeng	4ms	9 MiB	C++98	209 Bytes	2025-11-7 18:45:31
AC	luyixin	4ms	9.1 MiB	C++98	194 Bytes	2025-11-8 10:51:53
AC	baoyufu	5ms	9.1 MiB	C++98	237 Bytes	2025-10-31 19:35:28