练64.3 打印沙漏

Status	Submit By	Time	Memory	Language	Code	Submit At
AC	xxw5	27ms	760 KiB	C++98	1.2 KiB	2025-5-21 20:19:23
AC	xxw6	27ms	508 KiB	C++98	468 Bytes	2025-5-25 19:45:59
AC	Chaser Of Light	28ms	764 KiB	C++11	818 Bytes	2024-6-9 11:01:20
AC	杨毅帆	29ms	764 KiB	C++98	438 Bytes	2025-1-19 14:20:32
AC	闵俊皓	31ms	764 KiB	C++98	755 Bytes	2024-9-22 21:08:18