【例17.1】双面打印

Status	Submit By	Time	Memory	Language	Code	Submit At
AC	辛佳蔚	34ms	6.3 MiB	C++ 17	180 Bytes	2023-4-24 20:10:39
AC	单希乐	37ms	8.1 MiB	C++ 17	146 Bytes	2023-5-29 22:24:36
AC	单秋舒	37ms	6.4 MiB	C++ 17	362 Bytes	2023-4-27 17:04:09
AC	邴诚文	38ms	6.5 MiB	C++ 17	122 Bytes	2023-4-24 16:59:37
AC	赵泽华	39ms	6.3 MiB	C++ 17	167 Bytes	2023-5-21 18:13:30
AC	yuyongchao	40ms	6.3 MiB	C++ 17	169 Bytes	2023-5-17 17:10:59
AC	辛佳蔚	40ms	6.4 MiB	C++ 17	180 Bytes	2023-5-1 21:14:33