练18.4 计算邮资

Status	Submit By	Time	Memory	Language	Code	Submit At
AC	wangzeshu	25ms	768 KiB	C++11(O2)	251 Bytes	2024-12-21 14:37:09
AC	zhaorong	28ms	764 KiB	C++11(O2)	407 Bytes	2025-1-25 9:04:22
AC	caoyuanxi	28ms	768 KiB	C++11(O2)	599 Bytes	2025-1-23 11:31:06
AC	qinmingcheng	28ms	764 KiB	C++11(O2)	626 Bytes	2025-1-25 9:17:23
AC	yaokeyu	28ms	768 KiB	C++11(O2)	335 Bytes	2025-1-23 12:39:41
AC	kaikai	29ms	768 KiB	C++11(O2)	313 Bytes	2025-1-23 16:01:12
AC	wangqiguang	29ms	768 KiB	C++11(O2)	407 Bytes	2025-1-25 9:05:45