计算并联电阻的阻值

Status	Submit By	Time	Memory	Language	Code	Submit At
AC	Silence	25ms	6.5 MiB	C++14(O2)	184 Bytes	2023-10-7 23:18:14
AC	joker	26ms	6.4 MiB	C++14(O2)	147 Bytes	2023-12-1 20:03:09
AC	xhyz	26ms	6.3 MiB	C++14(O2)	165 Bytes	2023-10-11 19:47:00
AC	fguxcb	26ms	6.4 MiB	C++14(O2)	146 Bytes	2023-12-1 17:33:32
AC	Wuyiting	27ms	6.4 MiB	C++14(O2)	163 Bytes	2023-11-29 19:53:48
AC	lolohapple	27ms	6.5 MiB	C++14(O2)	165 Bytes	2023-11-29 17:07:43
AC	Wanghan0704	28ms	6.5 MiB	C++14(O2)	224 Bytes	2023-10-6 20:09:22
AC	TYHS.Kr	28ms	6.4 MiB	C++14(O2)	155 Bytes	2023-12-5 19:10:37
AC	gog	28ms	6.5 MiB	C++14(O2)	165 Bytes	2023-11-29 17:12:44
AC	csgo	28ms	6.4 MiB	C++14(O2)	151 Bytes	2023-11-29 20:03:48
AC	SYK love story	29ms	6.4 MiB	C++14(O2)	179 Bytes	2023-12-6 19:29:53
AC	Amazing	29ms	6.4 MiB	C++14(O2)	159 Bytes	2023-12-5 19:35:31
AC	cxy	30ms	6.4 MiB	C++14(O2)	169 Bytes	2023-11-29 20:00:39
AC	Pardofelis	30ms	6.4 MiB	C++14(O2)	151 Bytes	2023-11-29 19:54:53
AC	gyb是蒟蒻%%%	33ms	6.4 MiB	C++14(O2)	141 Bytes	2023-11-22 19:50:06
AC	xiaoduxiaodu	38ms	6.4 MiB	C++14(O2)	139 Bytes	2023-12-1 20:22:12