计算分数的浮点数值

Status	Submit By	Time	Memory	Language	Code	Submit At
AC	张芷若xly2025	17ms	808 KiB	C++14(O2)	170 Bytes	2025-8-8 8:21:01
AC	若白	18ms	688 KiB	C++17(O2)	2.1 KiB	2025-7-8 8:14:46
AC	曾彦彬contest	19ms	816 KiB	C++14(O2)	178 Bytes	2025-7-7 19:22:38
AC	maochengjun	19ms	808 KiB	C++14	155 Bytes	2025-7-9 11:34:30
AC	xzh13579	19ms	816 KiB	C++14(O2)	158 Bytes	2025-7-15 9:02:41
AC	王思懿	19ms	820 KiB	C++14(O2)	158 Bytes	2025-8-7 20:08:58
AC	_chjich_	20ms	788 KiB	C++14(O2)	135 Bytes	2025-7-11 9:27:25
AC	陈国瑞	20ms	800 KiB	C++14(O2)	149 Bytes	2025-7-15 17:15:17
AC	龙肖瑾xly2025	20ms	688 KiB	C++14(O2)	178 Bytes	2025-7-27 21:26:05
AC	女乃龙	20ms	808 KiB	C++14(O2)	157 Bytes	2025-7-11 14:36:25