练21.3 神奇装置

Status	Submit By	Time	Memory	Language	Code	Submit At
AC	朱梓霖	49ms	504 KiB	C++98	605 Bytes	2025-10-2 10:06:29
AC	劳钰峰	52ms	760 KiB	C++98	297 Bytes	2025-10-3 9:03:32
AC	庞少卿	53ms	760 KiB	C++98	467 Bytes	2025-10-20 20:31:24
AC	朱子轩	53ms	768 KiB	C++98	303 Bytes	2025-9-16 17:12:24
AC	张若煊	56ms	764 KiB	C++98	286 Bytes	2025-9-24 19:45:12