求小数的某一位

Status	Submit By	Time	Memory	Language	Code	Submit At
AC	陈约乐	22ms	6.6 MiB	C++14(O2)	219 Bytes	2025-9-27 11:23:36
AC	项俊棋	22ms	6.6 MiB	C++14(O2)	226 Bytes	2025-9-27 17:04:01
AC	章腾毅	22ms	548 KiB	C++14(O2)	258 Bytes	2026-1-10 15:46:30
AC	李翀	22ms	6.7 MiB	C++14(O2)	146 Bytes	2025-7-23 10:23:28
AC	刘子墨	22ms	6.6 MiB	C++14(O2)	202 Bytes	2025-9-27 11:24:28
AC	杨懿轩	22ms	728 KiB	C++14(O2)	221 Bytes	2026-1-24 16:31:10
AC	吴泓锦	22ms	572 KiB	C++14(O2)	201 Bytes	2026-2-24 14:11:57
AC	黄歆茹	22ms	1.1 MiB	C++14(O2)	195 Bytes	2026-1-10 20:10:29
AC	吴静瑶	22ms	956 KiB	C++14(O2)	208 Bytes	2026-1-9 20:22:11
AC	谢作郡	22ms	1 MiB	C++14(O2)	193 Bytes	2026-4-17 21:38:43
AC	项钰博 (XLY28)	22ms	6.3 MiB	C++11	168 Bytes	2025-2-7 11:12:17
AC	应智铭	22ms	6.5 MiB	C++14(O2)	201 Bytes	2025-5-3 10:55:29
AC	孟雨涵	22ms	6.6 MiB	C++14(O2)	196 Bytes	2025-5-3 10:56:50
AC	姜星宇 (GK70)	22ms	6.3 MiB	C++11	189 Bytes	2025-2-7 10:41:14
AC	江翊诚	22ms	6.4 MiB	C++14(O2)	221 Bytes	2025-5-14 17:19:58
AC	陈威廷	22ms	680 KiB	C++14(O2)	217 Bytes	2026-1-9 20:19:02
AC	章智宸	23ms	6.5 MiB	C++14(O2)	170 Bytes	2025-5-18 18:42:28
AC	朱宸宇 (WC28)	23ms	6.4 MiB	C++14(O2)	222 Bytes	2025-5-17 16:27:05
AC	沈栩旬	23ms	1 MiB	C++14(O2)	216 Bytes	2026-1-9 20:21:08
AC	陈垚然 (WC21)	23ms	6.4 MiB	C++14(O2)	251 Bytes	2025-5-17 18:03:05
AC	郑梓昂 (XLY23)	23ms	6.6 MiB	C++11	204 Bytes	2024-10-2 19:35:24
AC	潘禹澈	23ms	6.4 MiB	C++14(O2)	169 Bytes	2025-4-30 18:38:21
AC	谢逸骁 (CSP30)	23ms	6.6 MiB	C++11	194 Bytes	2024-11-29 20:07:38
AC	张琪涵	23ms	6.4 MiB	C++14(O2)	199 Bytes	2025-5-3 11:02:46
AC	陈致远	24ms	6.4 MiB	C++14(O2)	188 Bytes	2025-5-3 9:45:28
AC	凡人画师 (YF20)	26ms	6.5 MiB	C++14(O2)	199 Bytes	2024-5-18 14:46:08
AC	喻静琪	26ms	6.4 MiB	C++14(O2)	230 Bytes	2025-5-2 13:59:37
AC	张然	27ms	6.4 MiB	C++14(O2)	172 Bytes	2025-4-30 21:34:56