分数转换为小数

Status	Submit By	Time	Memory	Language	Code	Submit At
AC	jiangxingxing	2ms	9 MiB	C++98	91 Bytes	2024-11-23 15:13:05
AC	xyls	2ms	9 MiB	C++98	124 Bytes	2024-8-20 11:20:07
AC	baoyufu	2ms	9 MiB	C++98	120 Bytes	2024-10-11 18:46:48
AC	wangyuxiang	2ms	9 MiB	C++98	120 Bytes	2024-10-11 18:48:44
AC	liuhaoqi	2ms	9 MiB	C++98	145 Bytes	2024-10-13 10:51:53
AC	heliangyu	2ms	9 MiB	C++98	128 Bytes	2024-8-20 11:19:59
AC	jianghaoyan	2ms	9 MiB	C++98	115 Bytes	2024-10-13 11:00:01
AC	huangshengfeng	5ms	9 MiB	C++98	128 Bytes	2025-4-3 18:07:44