【例29.3】求小数的某一位

Status	Submit By	Time	Memory	Language	Code	Submit At
AC	朱梓霖	26ms	504 KiB	C++98	182 Bytes	2025-10-23 17:13:45
AC	张若煊	27ms	760 KiB	C++98	190 Bytes	2025-10-8 21:43:13
AC	李文茵	27ms	504 KiB	C++98	199 Bytes	2025-11-5 12:04:54
AC	陈沛宜	27ms	764 KiB	C++98	199 Bytes	2025-12-24 11:50:42
AC	庞少卿	28ms	764 KiB	C++98	196 Bytes	2025-10-22 22:16:48
AC	朱子轩	28ms	764 KiB	C++98	177 Bytes	2025-9-18 20:21:06