【例4.2】天安门广场的面积

Status	Submit By	Time	Memory	Language	Code	Submit At
AC	李梓萱2026dly	3ms	504 KiB	C++14(O2)	94 Bytes	2026-1-3 10:58:40
AC	杨舜淇2026dly	3ms	500 KiB	C++14(O2)	116 Bytes	2026-1-2 22:53:52
AC	杜思熠2026dly	3ms	504 KiB	C++14(O2)	99 Bytes	2026-1-2 22:03:36
AC	李瑾然xly2025	3ms	504 KiB	C++17(O2)	99 Bytes	2025-7-4 10:04:39
AC	黄昭明xly2025	3ms	496 KiB	C++14(O2)	93 Bytes	2025-7-7 8:37:12
AC	沈天宇2026dly	3ms	504 KiB	C++14(O2)	93 Bytes	2026-1-2 22:08:46
AC	李依霏2026dly	3ms	504 KiB	C++14(O2)	95 Bytes	2025-12-30 21:20:30
AC	白力予	3ms	504 KiB	C++14(O2)	102 Bytes	2025-7-4 10:24:47
AC	李锦华	3ms	504 KiB	C++14(O2)	99 Bytes	2025-7-24 19:31:20
AC	孙道庸2026dly	3ms	508 KiB	C++14(O2)	109 Bytes	2026-1-3 15:35:30
AC	何庭杨xly2025	3ms	504 KiB	C++14(O2)	101 Bytes	2026-1-3 17:17:17
AC	Zzzzsd	3ms	504 KiB	C++14	103 Bytes	2025-8-6 0:32:14
AC	王弘羿2026dly	3ms	504 KiB	C++14(O2)	91 Bytes	2025-12-28 19:02:27
AC	陈珑予xly2025	3ms	504 KiB	C++14(O2)	95 Bytes	2025-7-4 9:18:56
AC	黄健峰2026dly	3ms	504 KiB	C++14(O2)	93 Bytes	2025-12-30 21:59:14
AC	刘轩懿2026dly	3ms	500 KiB	C++14(O2)	87 Bytes	2026-1-25 12:33:36
AC	邵馨羽2026dly	3ms	512 KiB	C++14(O2)	91 Bytes	2026-1-23 10:27:27
AC	肖钰曦	3ms	504 KiB	C++14(O2)	147 Bytes	2025-8-7 19:38:58
AC	江佩珊	3ms	504 KiB	C++14(O2)	110 Bytes	2025-8-7 19:36:14
AC	李昕豫qcx	3ms	504 KiB	C++14(O2)	91 Bytes	2026-1-4 14:36:40
AC	丁资凡1.04	3ms	436 KiB	C++14(O2)	94 Bytes	2025-12-27 22:50:26
AC	杨安祺2026dly	3ms	760 KiB	C++14(O2)	99 Bytes	2026-1-1 23:22:54
AC	杨孟庄2026dly	3ms	508 KiB	C++14(O2)	94 Bytes	2026-1-3 21:24:50
AC	白一汎xly2025	3ms	760 KiB	C++14(O2)	97 Bytes	2025-7-7 7:45:11
AC	王承毅2026dly	3ms	504 KiB	C++14(O2)	97 Bytes	2026-1-4 13:02:08
AC	欧阳宇宸2026dly	3ms	504 KiB	C++14(O2)	86 Bytes	2025-12-28 20:54:58
AC	祝语墨2026dly	3ms	352 KiB	C++14(O2)	92 Bytes	2026-1-4 21:02:41
AC	宁雨涵	3ms	504 KiB	C++14(O2)	113 Bytes	2025-8-17 11:03:06
AC	李奕彤2026dly	3ms	504 KiB	C++14(O2)	91 Bytes	2026-1-1 13:18:27
AC	孙培沂2026dly	3ms	764 KiB	C++14(O2)	92 Bytes	2026-1-2 17:26:59
AC	周宝熠xly2025	3ms	504 KiB	C++14(O2)	100 Bytes	2025-7-4 9:46:33
AC	杨清冉2026dly	3ms	508 KiB	C++17(O2)	93 Bytes	2026-1-1 16:47:05
AC	王昱尊xly2025	3ms	504 KiB	C++14(O2)	107 Bytes	2025-7-5 9:01:12
AC	z343151536	3ms	504 KiB	C++14	102 Bytes	2025-8-18 16:54:29
AC	张志杰2026dly	3ms	760 KiB	C++14(O2)	95 Bytes	2025-12-28 16:03:02
AC	李奕麒2026dly	3ms	512 KiB	C++14(O2)	129 Bytes	2026-1-24 16:00:54
AC	pcx...	3ms	508 KiB	C++14	93 Bytes	2025-7-24 14:45:05
AC	王子铭2026dly	3ms	504 KiB	C++14(O2)	130 Bytes	2026-1-2 20:13:45
AC	方晨州2026dly	3ms	504 KiB	C++14(O2)	87 Bytes	2025-12-28 12:20:59
AC	昂冠宇xly2025	3ms	504 KiB	C++14(O2)	102 Bytes	2025-7-4 9:54:16
AC	董涵铮	3ms	376 KiB	C++14(O2)	90 Bytes	2025-7-4 9:57:24
AC	王思懿	3ms	504 KiB	C++14(O2)	107 Bytes	2025-7-4 9:27:07
AC	刘小琳2026dly	3ms	512 KiB	C++14(O2)	91 Bytes	2026-1-18 10:08:54
AC	李鸿瑞	3ms	508 KiB	C++14(O2)	94 Bytes	2025-8-17 9:05:42
AC	卿哲铭2026dly	3ms	504 KiB	C++14(O2)	108 Bytes	2026-1-3 22:33:22
AC	杨立科2026dly	3ms	504 KiB	C++14(O2)	93 Bytes	2025-12-31 18:23:33
AC	xzh13579	3ms	500 KiB	C++14(O2)	197 Bytes	2026-1-23 18:35:10
AC	周若萱2026dly	3ms	512 KiB	C++14(O2)	93 Bytes	2026-1-22 10:26:12
AC	李衍树xly2025	3ms	504 KiB	C++14(O2)	95 Bytes	2025-7-4 9:44:38
AC	周皓冉	3ms	512 KiB	C++14(O2)	110 Bytes	2026-2-5 14:30:10
AC	黄玮辰2026dly	3ms	504 KiB	C++14(O2)	91 Bytes	2026-1-4 19:34:53
AC	string_dbr	3ms	504 KiB	C++14(O2)	310 Bytes	2025-5-26 14:33:23
AC	zzy15924600533	3ms	504 KiB	C++14(O2)	99 Bytes	2025-7-20 17:09:32
AC	刘熠辰	3ms	512 KiB	C++14(O2)	92 Bytes	2026-1-15 14:17:50
AC	李科良2026dly	3ms	512 KiB	C++14(O2)	103 Bytes	2026-2-1 17:01:21
AC	邵煜翔2026dly	3ms	504 KiB	C++14(O2)	93 Bytes	2026-1-3 22:38:12
AC	汤智钧2026dly	3ms	512 KiB	C++14(O2)	93 Bytes	2026-1-25 16:56:03
AC	李松清2026dly	3ms	504 KiB	C++14(O2)	87 Bytes	2026-1-1 21:54:38
AC	张纯逸2026dly	3ms	504 KiB	C++14(O2)	96 Bytes	2026-1-1 14:22:01
AC	马天佑2026dly	3ms	504 KiB	C++14(O2)	93 Bytes	2025-12-30 19:36:09
AC	郭子怡2026dly	3ms	504 KiB	C++14(O2)	98 Bytes	2025-12-31 21:00:43
AC	陈姝瑜	3ms	504 KiB	C++14(O2)	104 Bytes	2025-8-17 10:01:08
AC	张叶朵	3ms	504 KiB	C++14(O2)	98 Bytes	2025-7-4 9:45:00
AC	Oxygen	3ms	504 KiB	C++14	92 Bytes	2025-5-25 17:34:18
AC	李志鹤2025xlycontest	3ms	492 KiB	C++14(O2)	105 Bytes	2025-8-18 10:56:09
AC	mz0873	3ms	504 KiB	C++14(O2)	105 Bytes	2025-7-4 19:27:38
AC	杨博然2026dly	3ms	344 KiB	C++14(O2)	94 Bytes	2026-1-2 20:23:27
AC	郭祖廷2026dly	3ms	504 KiB	C++14(O2)	89 Bytes	2025-12-29 21:33:44
AC	陈星彤2026dly	3ms	424 KiB	C++14(O2)	91 Bytes	2026-1-3 16:15:25
AC	方雪岚2026dly	3ms	764 KiB	C++14(O2)	92 Bytes	2025-12-30 21:12:13
AC	姚辰x1y2025	3ms	504 KiB	C++14(O2)	91 Bytes	2025-7-4 9:57:58
AC	钱颢文2026dly	3ms	504 KiB	C++14(O2)	97 Bytes	2026-1-1 22:02:21
AC	张清果2026dly	3ms	504 KiB	C++14(O2)	93 Bytes	2026-1-2 19:59:45
AC	许睿涵2026dly	3ms	504 KiB	C++14(O2)	95 Bytes	2025-12-29 11:26:33
AC	李芮燃2026dly	3ms	504 KiB	C++14(O2)	91 Bytes	2025-12-31 18:13:15
AC	陈文浩2026dly	3ms	504 KiB	C++14(O2)	92 Bytes	2025-12-28 20:42:41
AC	后程兮qcx	3ms	504 KiB	C++14(O2)	130 Bytes	2025-7-11 11:07:21
AC	万千绮qcx	3ms	504 KiB	C++14(O2)	105 Bytes	2025-7-8 16:57:52
AC	金熙芸2026dly	3ms	504 KiB	C++14(O2)	91 Bytes	2026-1-3 22:39:51
AC	余梓铭2026dly	3ms	504 KiB	C++14(O2)	105 Bytes	2025-12-28 21:36:13
AC	万千绮2026dly	3ms	512 KiB	C++14(O2)	91 Bytes	2026-1-25 17:02:31
AC	马誉纯	3ms	504 KiB	C++14(O2)	100 Bytes	2025-7-5 11:25:18
AC	严晨航	3ms	504 KiB	C++14	232 Bytes	2026-1-4 19:40:04
AC	龙肖瑾xly2025	3ms	512 KiB	C++14(O2)	91 Bytes	2026-1-15 14:04:50
AC	吴雨曦2026dly	3ms	504 KiB	C++14(O2)	92 Bytes	2025-12-29 21:48:42
AC	何嘉桐2026dly	3ms	504 KiB	C++14(O2)	95 Bytes	2026-1-3 18:47:53
AC	王冠楠xly2025	3ms	508 KiB	C++14(O2)	104 Bytes	2025-7-4 9:31:38
AC	何子琛2026dly	3ms	504 KiB	C++14(O2)	92 Bytes	2025-12-29 21:52:51
AC	谭皓骞xly2025	3ms	504 KiB	C++14(O2)	99 Bytes	2025-7-4 10:00:48
AC	maochengjun	3ms	504 KiB	C++14	90 Bytes	2025-7-9 15:28:25
AC	蔡涵如2026dly	3ms	504 KiB	C++14(O2)	94 Bytes	2026-1-3 14:32:34
AC	马语墨2026dly	3ms	504 KiB	C++14(O2)	93 Bytes	2025-12-28 19:29:20
AC	饶子和2026dly	3ms	504 KiB	C++14(O2)	131 Bytes	2026-1-3 10:35:44
AC	李承兴	3ms	448 KiB	C++14(O2)	99 Bytes	2025-7-5 9:57:26
AC	赵忠霈2026dly	3ms	504 KiB	C++14(O2)	92 Bytes	2025-12-29 23:13:01
AC	sage2012	3ms	760 KiB	C++14(O2)	114 Bytes	2025-9-29 22:26:47
AC	付悠悠2026dly	3ms	504 KiB	C++14(O2)	122 Bytes	2026-1-1 10:37:10
AC	包恒韶2026dly	3ms	512 KiB	C++14(O2)	93 Bytes	2026-2-1 16:25:43
AC	许然车	3ms	504 KiB	C++14(O2)	102 Bytes	2025-8-17 10:01:27
AC	蔡建宇2026dly	3ms	504 KiB	C++14(O2)	92 Bytes	2025-12-31 22:27:01