【例7.1】保留3位小数

状态	递交者	时间	内存	语言	代码	递交时间
AC	yhxx12345	7ms	512 KiB	C++14(O2)	229 Bytes	2026-2-25 9:50:12
AC	rrr	7ms	516 KiB	C++14(O2)	116 Bytes	2026-2-26 10:09:26
AC	薛传翰	7ms	512 KiB	C++14(O2)	122 Bytes	2026-2-25 9:54:08
AC	沈泓睿	7ms	540 KiB	C++14(O2)	134 Bytes	2026-2-8 14:38:05
AC	赵乐楌	7ms	512 KiB	C++14(O2)	117 Bytes	2026-2-25 9:57:24
AC	dairuoqian1	7ms	764 KiB	C++14(O2)	155 Bytes	2025-2-28 16:17:16
AC	chengyanru	8ms	512 KiB	C++14(O2)	152 Bytes	2026-2-25 10:02:37
AC	胡宇宸	8ms	512 KiB	C++14(O2)	129 Bytes	2026-2-8 20:48:04
AC	余王泽	8ms	512 KiB	C++14(O2)	123 Bytes	2026-2-25 11:30:07
AC	丁晟	8ms	512 KiB	C++14(O2)	109 Bytes	2026-1-12 20:15:27
AC	汪桓宇	8ms	516 KiB	C++14(O2)	135 Bytes	2026-2-25 10:15:45
AC	jiangbola	8ms	552 KiB	C++14(O2)	136 Bytes	2024-12-13 16:56:20
AC	zsy0527	8ms	512 KiB	C++14(O2)	135 Bytes	2026-2-8 14:41:14
AC	小象	8ms	512 KiB	C++14(O2)	123 Bytes	2026-2-1 18:47:50
AC	liujiayuan	8ms	552 KiB	C++14(O2)	155 Bytes	2025-3-27 12:56:17
AC	胡原陌	8ms	536 KiB	C++14(O2)	128 Bytes	2024-12-13 16:49:45
AC	孙鸣择	8ms	512 KiB	C++14(O2)	120 Bytes	2026-2-25 11:23:40
AC	ruihang2377(潘睿杭)	8ms	512 KiB	C++98	118 Bytes	2026-2-8 14:08:41
AC	yyz	8ms	512 KiB	C++14(O2)	127 Bytes	2026-2-10 13:18:24
AC	陈小橙	8ms	516 KiB	C++14(O2)	117 Bytes	2026-2-25 9:30:23
AC	liduorui	8ms	512 KiB	C++14(O2)	128 Bytes	2026-2-25 10:04:45
AC	dingsheng	8ms	512 KiB	C++14(O2)	121 Bytes	2026-2-25 9:35:57
AC	wangziyi	8ms	536 KiB	C++14(O2)	135 Bytes	2024-12-21 11:07:57
AC	t20210101	8ms	516 KiB	C++14	108 Bytes	2026-2-25 9:33:59
AC	tfxuxinbo	8ms	512 KiB	C++14(O2)	119 Bytes	2026-2-25 9:34:00
AC	赵绎心	8ms	608 KiB	C++14(O2)	113 Bytes	2026-2-12 14:27:30
AC	lzn	8ms	536 KiB	C++14(O2)	123 Bytes	2025-3-27 12:45:52
AC	stz	8ms	512 KiB	C++14(O2)	123 Bytes	2026-1-28 19:07:02
AC	yhxx	8ms	512 KiB	C++17(O2)	273 Bytes	2026-2-8 14:26:48
AC	linyaxuan123	8ms	764 KiB	C++14(O2)	132 Bytes	2025-9-24 13:05:08
AC	周子航	8ms	512 KiB	C++14(O2)	116 Bytes	2026-2-8 14:02:52
AC	HowardJones	8ms	536 KiB	C++14(O2)	163 Bytes	2025-3-28 12:38:29
AC	xzy	8ms	512 KiB	C++14(O2)	111 Bytes	2026-2-10 8:49:30
AC	王婷玥	8ms	536 KiB	C++14(O2)	148 Bytes	2024-12-13 17:21:02
AC	33550336	8ms	512 KiB	C++14(O2)	146 Bytes	2026-2-25 9:54:58
AC	yanhuancheng	8ms	512 KiB	C++14(O2)	107 Bytes	2026-2-10 17:50:38
AC	wangkezhen1	8ms	536 KiB	C++17(O2)	146 Bytes	2024-12-27 17:29:28
AC	李彦鑫	8ms	508 KiB	C++14	113 Bytes	2026-1-10 14:57:39
AC	王琦睿	8ms	768 KiB	C++14(O2)	130 Bytes	2024-12-13 17:25:04
AC	胡原陌2	8ms	508 KiB	C++14(O2)	120 Bytes	2025-12-2 13:12:42
AC	绎心	8ms	512 KiB	C++14(O2)	117 Bytes	2026-2-8 14:52:33
AC	HappySky	8ms	516 KiB	C++14(O2)	119 Bytes	2026-1-29 8:12:54
AC	lmh	8ms	504 KiB	C++14(O2)	118 Bytes	2026-1-4 18:50:15
AC	zhoidr	9ms	728 KiB	C++11	127 Bytes	2026-2-10 14:02:34
AC	蒋欣妤	9ms	768 KiB	C++14(O2)	130 Bytes	2024-12-13 17:13:35
AC	汪若晨	9ms	536 KiB	C++14(O2)	139 Bytes	2025-2-27 20:56:44
AC	姚晨骏	9ms	768 KiB	C++14(O2)	128 Bytes	2024-12-13 17:10:41
AC	JACK 余王泽	9ms	512 KiB	C++14(O2)	119 Bytes	2026-2-26 21:54:24
AC	wxm	9ms	768 KiB	C++14(O2)	134 Bytes	2026-2-25 10:07:28
AC	邱禹皓	9ms	536 KiB	C++14(O2)	128 Bytes	2024-12-13 16:49:02
AC	shijinghan	9ms	536 KiB	C++14(O2)	131 Bytes	2024-12-13 16:37:30
AC	huangshuairan	9ms	764 KiB	C++14(O2)	128 Bytes	2024-12-13 16:57:26
AC	feishibo	9ms	512 KiB	C++14(O2)	115 Bytes	2026-2-25 10:17:11
AC	wujiachen	9ms	536 KiB	C++14(O2)	139 Bytes	2025-2-21 17:19:38
AC	fengyanming	9ms	512 KiB	C++14(O2)	117 Bytes	2026-2-25 9:53:45
AC	111	9ms	512 KiB	C++14(O2)	111 Bytes	2026-2-9 11:25:13
AC	lusiyu	9ms	536 KiB	C++14(O2)	150 Bytes	2025-2-21 17:24:24
AC	tuxiaolai2	9ms	512 KiB	C++17(O2)	119 Bytes	2026-2-27 12:05:03
AC	王宥然	9ms	512 KiB	C++14(O2)	139 Bytes	2026-2-8 14:42:40
AC	严焕程	9ms	504 KiB	C++14(O2)	110 Bytes	2026-1-4 19:01:27
AC	李辰怡	9ms	764 KiB	C++14(O2)	155 Bytes	2025-9-23 12:32:48
AC	聂泽煜	9ms	768 KiB	C++14(O2)	114 Bytes	2024-12-14 9:46:49
AC	yuan man	9ms	768 KiB	C++14(O2)	116 Bytes	2026-2-25 9:57:57
AC	吴悦悦	9ms	512 KiB	C++14(O2)	120 Bytes	2026-2-25 9:30:00
AC	李予劼	9ms	536 KiB	C++14(O2)	121 Bytes	2024-12-13 16:39:23
AC	wubolin	9ms	540 KiB	C++14(O2)	124 Bytes	2024-12-13 16:33:18
AC	137891	9ms	512 KiB	C++14(O2)	136 Bytes	2026-2-8 14:40:39
AC	盛朝阳	9ms	768 KiB	C++14(O2)	140 Bytes	2025-9-25 22:27:11
AC	练艾	9ms	512 KiB	C++98	135 Bytes	2026-2-8 15:41:08
AC	ggggcw	9ms	512 KiB	C++14(O2)	122 Bytes	2026-2-25 10:08:01
AC	王振羽1	9ms	512 KiB	C++14(O2)	117 Bytes	2026-2-9 9:51:28
AC	xietianze	9ms	536 KiB	C++14(O2)	168 Bytes	2025-2-21 17:22:06
AC	ruyusen	9ms	540 KiB	C++14(O2)	178 Bytes	2024-12-13 17:25:10
AC	胡智星	9ms	536 KiB	C++14(O2)	133 Bytes	2024-12-13 16:49:28
AC	王嘉澔	9ms	768 KiB	C++14(O2)	131 Bytes	2024-12-13 16:39:30
AC	qilewen	9ms	536 KiB	C++14(O2)	133 Bytes	2024-12-13 16:51:29
AC	唐梓峰	9ms	536 KiB	C++14(O2)	178 Bytes	2024-12-13 17:15:25
AC	wjj	9ms	512 KiB	C++14(O2)	126 Bytes	2026-1-25 16:43:04
AC	JasonAC	9ms	764 KiB	C++14(O2)	130 Bytes	2025-1-26 15:12:37
AC	Chenyuze24	9ms	768 KiB	C++14(O2)	135 Bytes	2024-12-17 16:01:44
AC	江禹新	9ms	764 KiB	C++14(O2)	155 Bytes	2025-9-24 12:58:54
AC	蒋应龙bill	9ms	552 KiB	C++17(O2)	107 Bytes	2024-12-14 17:04:46
AC	PrincessHarumi	9ms	764 KiB	C++14(O2)	114 Bytes	2024-12-13 16:48:15
AC	xujing	9ms	760 KiB	C++14(O2)	136 Bytes	2024-12-13 16:53:54
AC	王昱翔	9ms	768 KiB	C++14(O2)	143 Bytes	2025-3-28 12:44:49
AC	carrie萱	9ms	536 KiB	C++14(O2)	157 Bytes	2025-9-24 12:59:48
AC	guoyuchen1	9ms	764 KiB	C++14(O2)	264 Bytes	2025-2-28 16:37:13
AC	徐瑞成	9ms	764 KiB	C++14(O2)	140 Bytes	2025-9-24 13:01:48
AC	Fang yi cheng	9ms	536 KiB	C++14(O2)	142 Bytes	2024-12-13 16:46:56
AC	wenghaoqian	9ms	536 KiB	C++14(O2)	247 Bytes	2025-2-28 16:02:45
AC	白萧瑜	10ms	536 KiB	C++14(O2)	128 Bytes	2024-12-13 16:37:00
AC	afg0127	111ms	3.7 MiB	Python 3	39 Bytes	2026-1-10 14:47:21
AC	chenyuhan	115ms	4 MiB	Python 3	34 Bytes	2026-1-9 17:48:46