计算并联电阻的阻值

Status	Submit By	Time	Memory	Language	Code	Submit At
AC	maochengjun	18ms	808 KiB	C++14	185 Bytes	2025-7-9 11:35:57
AC	张芷若xly2025	18ms	808 KiB	C++14(O2)	188 Bytes	2025-8-8 8:39:17
AC	Mch121018	18ms	808 KiB	C++14	223 Bytes	2025-8-8 19:05:35
AC	若白	19ms	800 KiB	C++17(O2)	161 Bytes	2025-7-11 14:34:39
AC	王思懿	19ms	808 KiB	C++14(O2)	167 Bytes	2025-8-7 20:15:43
AC	_chjich_	20ms	692 KiB	C++14(O2)	156 Bytes	2025-7-11 9:29:34
AC	曾彦彬contest	20ms	808 KiB	C++14(O2)	204 Bytes	2025-7-7 19:29:13
AC	陈国瑞	20ms	808 KiB	C++14(O2)	165 Bytes	2025-7-15 17:15:58
AC	xzh13579	20ms	808 KiB	C++14(O2)	225 Bytes	2025-7-15 9:07:40
AC	龙肖瑾xly2025	20ms	808 KiB	C++14(O2)	182 Bytes	2025-7-15 13:59:04
AC	女乃龙	20ms	844 KiB	C++14(O2)	185 Bytes	2025-7-11 14:39:14