练12.4计算并联电阻的阻值

Status	Submit By	Time	Memory	Language	Code	Submit At
AC	estellawang	22ms	632 KiB	C++98	151 Bytes	2025-11-9 16:21:23
AC	chengweisun	22ms	552 KiB	C++20(O2)	162 Bytes	2025-6-2 10:19:20
AC	seanpan	23ms	532 KiB	C++98	158 Bytes	2025-11-29 11:04:48
AC	stevexiong	23ms	552 KiB	C++98	170 Bytes	2025-10-3 17:56:27
AC	coopermao	23ms	584 KiB	C++98	177 Bytes	2025-11-29 10:54:57
AC	hankli	23ms	548 KiB	C++20	417 Bytes	2025-9-18 18:03:47
AC	raycao	24ms	552 KiB	C++20(O2)	161 Bytes	2025-6-7 14:58:19
AC	jerryhu	24ms	552 KiB	C++98	180 Bytes	2025-12-8 21:02:18
AC	haijingwen	25ms	552 KiB	C++20(O2)	165 Bytes	2025-11-8 9:51:29