【例7.1】保留3位小数

Status	Submit By	Time	Memory	Language	Code	Submit At
AC	C23fengrui	7ms	536 KiB	C++17(O2)	1023 Bytes	2023-9-23 9:50:52
AC	C23luozihan	7ms	536 KiB	C++17(O2)	133 Bytes	2023-7-11 18:02:26
AC	C23huangyuran	8ms	536 KiB	C++17	761 Bytes	2023-10-22 20:22:02
AC	C23wuyingtong	8ms	536 KiB	C++17(O2)	139 Bytes	2023-7-11 18:01:00
AC	C23luguanyu	8ms	536 KiB	C++17(O2)	140 Bytes	2023-7-11 17:32:17
AC	C24luojunming	8ms	536 KiB	C++11	140 Bytes	2024-7-12 21:18:30
AC	C23douyiyang	8ms	536 KiB	C++17(O2)	143 Bytes	2023-7-11 18:00:06
AC	C23huyating	8ms	764 KiB	C++11	134 Bytes	2024-6-10 15:46:18
AC	C23chenxinglin	8ms	768 KiB	C++11	119 Bytes	2024-1-22 21:01:45
AC	C23huangzhiyuan	8ms	764 KiB	C++17(O2)	98 Bytes	2023-7-11 17:39:33
AC	C23xuzhiyu	8ms	764 KiB	C++11	121 Bytes	2023-12-5 19:44:56
AC	C23wuyongwei	8ms	536 KiB	C++17(O2)	143 Bytes	2023-7-11 17:08:53
AC	C23huzhihan	8ms	548 KiB	C++17(O2)	156 Bytes	2023-7-11 17:59:25
AC	C23pengweixuan	9ms	764 KiB	C++17(O2)	134 Bytes	2023-7-11 17:06:59
AC	C23yuejingxing	9ms	552 KiB	C++17(O2)	144 Bytes	2023-7-11 17:48:16
AC	C23liukaiyan	9ms	536 KiB	C++11	123 Bytes	2023-11-22 16:51:55
AC	C23chenyufei	9ms	536 KiB	C++17(O2)	119 Bytes	2023-7-11 18:01:00
AC	C23huangyancheng	9ms	768 KiB	C++17(O2)	153 Bytes	2023-7-11 17:28:32
AC	C23zhongshangdong	9ms	536 KiB	C++17(O2)	422 Bytes	2023-7-11 17:25:21
AC	C23guozhiyu	9ms	536 KiB	C++17(O2)	140 Bytes	2023-7-11 17:40:48
AC	C23kongjiarui	9ms	536 KiB	C++17(O2)	127 Bytes	2023-7-11 17:57:44
AC	C23linzerui	9ms	768 KiB	C++17(O2)	134 Bytes	2023-7-11 17:47:30
AC	C23fangzidong	9ms	764 KiB	C++17(O2)	157 Bytes	2023-7-11 17:55:45
AC	C23liupeilin	9ms	536 KiB	C++17(O2)	158 Bytes	2023-7-11 17:57:11
AC	zhuangbei	9ms	536 KiB	C++17(O2)	129 Bytes	2023-7-12 15:06:11
AC	C23liyou	9ms	552 KiB	C++17(O2)	129 Bytes	2023-7-11 17:42:59
AC	C23xiehaoxuan	9ms	764 KiB	C++17(O2)	137 Bytes	2023-7-12 17:27:10
AC	C23lingyiyu	10ms	540 KiB	C++17(O2)	131 Bytes	2023-7-11 17:58:42
AC	C23liuyidong	10ms	324 KiB	C++17(O2)	133 Bytes	2023-7-11 17:57:29
AC	chenjunjian	10ms	536 KiB	C++17(O2)	344 Bytes	2023-7-11 17:55:06
AC	C23liangyujia	10ms	768 KiB	C++17(O2)	130 Bytes	2023-7-11 17:57:13