练18.4 计算邮资

状态	递交者	时间	内存	语言	代码	递交时间
AC	wangxinke	14ms	596 KiB	C++20	188 Bytes	2025-12-13 18:34:22
AC	chenzixuan	15ms	512 KiB	C++20	201 Bytes	2025-12-13 18:36:57
AC	yanhao0830	15ms	548 KiB	C++20	253 Bytes	2025-12-13 18:14:08
AC	huyuting	15ms	512 KiB	C++20	188 Bytes	2025-12-13 18:29:00
AC	muhongan	16ms	508 KiB	C++20	278 Bytes	2025-7-13 18:45:29
AC	baijunying	16ms	504 KiB	C++20	283 Bytes	2025-7-13 18:46:57
AC	miaoshengxiang	16ms	588 KiB	C++20	232 Bytes	2026-2-24 17:04:44
AC	liuhonglin	16ms	536 KiB	C++20	250 Bytes	2026-4-4 9:00:26
AC	antingyu	16ms	516 KiB	C++20	206 Bytes	2026-4-4 8:54:34
AC	yanyicheng	18ms	832 KiB	C++20	192 Bytes	2026-4-4 8:54:18