【例3.1】输出表达式的值

Status	Submit By	Time	Memory	Language	Code	Submit At
AC	gfgg	3ms	504 KiB	C++14(O2)	109 Bytes	2025-5-26 11:08:23
AC	何子琛2026dly	3ms	504 KiB	C++14(O2)	108 Bytes	2025-12-29 13:34:04
AC	景天澍	3ms	512 KiB	C++14(O2)	119 Bytes	2026-2-28 19:30:37
AC	张学境2026dly	3ms	504 KiB	C++14(O2)	106 Bytes	2025-12-29 21:18:29
AC	王李飞飞2026dly	3ms	760 KiB	C++14(O2)	107 Bytes	2025-12-29 20:09:59
AC	王梓汀	3ms	504 KiB	C++14(O2)	110 Bytes	2025-12-28 16:45:20
AC	黄玮辰2026dly	3ms	508 KiB	C++14(O2)	106 Bytes	2026-1-1 13:43:25
AC	jinxijun	3ms	504 KiB	C++14	110 Bytes	2025-7-22 17:52:03
AC	肖毅坤2026dly	3ms	504 KiB	C++14(O2)	109 Bytes	2026-1-1 16:19:52
AC	胡艺2026dly	3ms	508 KiB	C++14(O2)	106 Bytes	2026-1-3 13:16:28
AC	郑雅婷2026dly	3ms	496 KiB	C++14(O2)	111 Bytes	2025-12-28 21:39:30
AC	杨一诺2026dly	3ms	504 KiB	C++14(O2)	88 Bytes	2025-12-30 20:10:16
AC	刘轩懿2026dly	3ms	508 KiB	C++14(O2)	108 Bytes	2026-1-25 12:43:28
AC	后程兮	3ms	512 KiB	C++14(O2)	107 Bytes	2026-1-24 15:40:52
AC	姚胜蓝	3ms	504 KiB	C++14(O2)	142 Bytes	2025-7-4 9:06:26
AC	周利华	3ms	508 KiB	C++14(O2)	109 Bytes	2025-8-16 20:35:44
AC	李承兴2026dly	3ms	504 KiB	C++14(O2)	105 Bytes	2025-12-28 22:18:35
AC	赵婧文2026dly	3ms	504 KiB	C++14(O2)	142 Bytes	2026-1-2 14:17:12
AC	饶子和2026dly	3ms	504 KiB	C++14(O2)	113 Bytes	2025-12-29 22:46:05
AC	李科良	3ms	512 KiB	C++14(O2)	108 Bytes	2026-2-27 19:36:14
AC	周轩平	3ms	536 KiB	C++14(O2)	114 Bytes	2025-9-7 17:21:07
AC	白力予	3ms	504 KiB	C++14(O2)	114 Bytes	2025-7-4 9:57:20
AC	高梓宸2026dly	3ms	504 KiB	C++14(O2)	106 Bytes	2025-12-29 21:42:04
AC	2026李科良dly	3ms	512 KiB	C++14(O2)	109 Bytes	2026-3-19 16:25:20
AC	奉胤含	3ms	504 KiB	C++14(O2)	111 Bytes	2025-8-16 20:32:09
AC	梁书豪2026dly	3ms	504 KiB	C++14(O2)	107 Bytes	2025-12-29 20:35:51
AC	王程民2026dly	3ms	508 KiB	C++14(O2)	111 Bytes	2025-12-31 17:54:18
AC	茶哈霖	3ms	504 KiB	C++14(O2)	107 Bytes	2025-8-17 8:42:43
AC	王芃晨2026dly	3ms	504 KiB	C++14(O2)	123 Bytes	2025-12-29 22:51:40
AC	杨舜淇2026dly	3ms	504 KiB	C++14(O2)	107 Bytes	2026-1-2 17:11:41
AC	刘宇皓2026dly	3ms	504 KiB	C++14(O2)	100 Bytes	2025-12-28 19:37:51
AC	丘岳翔	3ms	508 KiB	C++14(O2)	111 Bytes	2025-8-17 8:16:23
AC	宁雨涵	3ms	504 KiB	C++14(O2)	143 Bytes	2025-8-16 20:38:04
AC	严晨倪2026dly	3ms	504 KiB	C++14(O2)	112 Bytes	2025-12-28 20:01:35
AC	李志鹤2025xlycontest	3ms	504 KiB	C++14(O2)	115 Bytes	2025-8-18 10:52:36
AC	maochengjun	3ms	504 KiB	C++14	107 Bytes	2025-7-9 15:12:20
AC	严梓瑄	3ms	512 KiB	C++14(O2)	106 Bytes	2026-3-5 21:45:05
AC	刘宥杋2026dly	3ms	504 KiB	C++14(O2)	104 Bytes	2026-1-2 19:56:11
AC	左竣榕2026dly	3ms	760 KiB	C++14(O2)	114 Bytes	2026-1-1 21:08:07
AC	谭博文	3ms	320 KiB	C++14(O2)	111 Bytes	2025-9-6 9:26:47
AC	yh2025	3ms	504 KiB	C++14(O2)	114 Bytes	2025-7-24 18:36:03
AC	李欣蔚2026dly	3ms	504 KiB	C++14(O2)	102 Bytes	2026-1-1 21:46:10
AC	丁资凡1.04	3ms	716 KiB	C++14(O2)	106 Bytes	2025-12-27 22:40:12
AC	冯俊诚	3ms	508 KiB	C++14(O2)	106 Bytes	2025-8-13 14:07:42
AC	姚辰x1y2025	3ms	512 KiB	C++17(O2)	105 Bytes	2026-1-15 14:10:13
AC	张纯逸2026dly	3ms	504 KiB	C++14(O2)	109 Bytes	2025-12-31 20:04:04
AC	罗宸邈2026dly	3ms	504 KiB	C++14(O2)	106 Bytes	2026-1-2 11:24:09
AC	包恒韶2026dly	3ms	512 KiB	C++14(O2)	108 Bytes	2026-2-1 16:24:24
AC	罗子轩	3ms	504 KiB	C++14(O2)	107 Bytes	2025-8-17 8:04:29
AC	郭祖廷2026dly	3ms	504 KiB	C++14(O2)	108 Bytes	2025-12-29 21:10:17
AC	罗悦嘉	3ms	504 KiB	C++14(O2)	109 Bytes	2025-8-17 9:31:09
AC	安致远2026dly	3ms	504 KiB	C++14(O2)	109 Bytes	2025-12-29 13:08:42
AC	罗睿辰2026dly	3ms	376 KiB	C++14(O2)	108 Bytes	2026-1-10 13:19:17
AC	刀柏骞2026dly	3ms	508 KiB	C++14(O2)	109 Bytes	2026-1-9 19:55:35
AC	杨博然2026dly	3ms	532 KiB	C++14(O2)	108 Bytes	2025-12-30 22:19:50
AC	陈文浩2026dly	3ms	504 KiB	C++14(O2)	112 Bytes	2025-12-29 18:58:12
AC	w20120404	3ms	504 KiB	C++14(O2)	128 Bytes	2025-7-17 11:37:52
AC	张鳅月	3ms	504 KiB	C++14(O2)	106 Bytes	2025-8-16 20:37:20
AC	李衍树xly2025	3ms	504 KiB	C++14(O2)	112 Bytes	2025-7-4 9:08:39
AC	Musa721	3ms	504 KiB	C++14(O2)	227 Bytes	2025-10-18 16:28:55
AC	曹天齐	3ms	504 KiB	C++14(O2)	95 Bytes	2025-8-17 8:20:18
AC	罗川皓xly2025	3ms	536 KiB	C++14(O2)	112 Bytes	2025-7-4 9:13:04
AC	李昕豫qcx	3ms	504 KiB	C++14(O2)	106 Bytes	2026-1-4 14:32:53
AC	孔德淇2026dly	3ms	504 KiB	C++14(O2)	113 Bytes	2026-1-22 23:01:49
AC	叶梓希2026dly	3ms	508 KiB	C++14(O2)	106 Bytes	2026-1-1 19:11:41
AC	李雨诺129xly2025	3ms	504 KiB	C++14(O2)	112 Bytes	2025-7-4 9:31:20
AC	侬孜翌2026dly	3ms	504 KiB	C++14(O2)	107 Bytes	2025-12-31 12:15:34
AC	樊晨宇2026dly	3ms	504 KiB	C++14(O2)	177 Bytes	2025-12-31 20:16:04
AC	金熙芸2026dly	3ms	508 KiB	C++14(O2)	101 Bytes	2025-12-29 22:52:36
AC	廖吉洪	3ms	504 KiB	C++14(O2)	116 Bytes	2025-12-29 10:17:24
AC	mz0873	3ms	504 KiB	C++14(O2)	118 Bytes	2025-7-4 15:13:54
AC	杨家齐xly2025	3ms	504 KiB	C++17(O2)	105 Bytes	2025-12-28 22:29:49
AC	徐尔蔓qcx	3ms	504 KiB	C++14(O2)	112 Bytes	2025-7-7 9:23:43
AC	李梓萱2026dly	3ms	504 KiB	C++14(O2)	108 Bytes	2025-12-29 22:29:55
AC	Zzzzsd	3ms	504 KiB	C++14	116 Bytes	2025-8-5 23:43:49
AC	杨珂曦	3ms	536 KiB	C++14(O2)	118 Bytes	2025-9-17 18:38:06
AC	杨茗涵2026dly	3ms	504 KiB	C++14(O2)	107 Bytes	2025-12-29 22:29:20
AC	熊钞宇	3ms	504 KiB	C++14(O2)	128 Bytes	2025-8-17 8:02:12
AC	李宥廷2026dly	3ms	508 KiB	C++14(O2)	128 Bytes	2025-12-29 20:28:51
AC	tianlangyufirst	3ms	504 KiB	C++14(O2)	114 Bytes	2025-7-7 8:44:27
AC	2026欧阳宇宸dly	3ms	512 KiB	C++14(O2)	102 Bytes	2026-3-7 17:05:46
AC	卢子轩2026dly	3ms	504 KiB	C++14(O2)	133 Bytes	2025-12-28 23:01:29
AC	张钧涵2026dly	3ms	764 KiB	C++14(O2)	106 Bytes	2026-1-3 19:40:54
AC	李锦华	3ms	492 KiB	C++14(O2)	120 Bytes	2025-7-24 18:45:44
AC	王子铭2026dly	3ms	504 KiB	C++14(O2)	114 Bytes	2026-1-2 21:05:23
AC	黄厚铭1.04	3ms	504 KiB	C++14(O2)	103 Bytes	2025-12-31 21:55:11
AC	万千绮2026dly	3ms	512 KiB	C++14(O2)	106 Bytes	2026-1-25 16:42:06
AC	胡知鱼	3ms	548 KiB	C++14(O2)	112 Bytes	2025-9-19 18:22:17
AC	刘成熙2026dly	3ms	508 KiB	C++14(O2)	112 Bytes	2025-12-29 21:31:53
AC	zzx	3ms	504 KiB	C++14	116 Bytes	2025-7-19 20:51:26
AC	严晨航	3ms	504 KiB	C++14	241 Bytes	2026-1-4 19:34:50
AC	王誉诚2026dly	3ms	504 KiB	C++14(O2)	114 Bytes	2025-12-31 19:13:59
AC	趙婉婷2026dly	3ms	504 KiB	C++14(O2)	107 Bytes	2025-12-28 20:09:29
AC	谭皓骞xly2025	3ms	504 KiB	C++14(O2)	118 Bytes	2025-7-4 9:34:42
AC	马语墨2026dly	3ms	504 KiB	C++14(O2)	114 Bytes	2025-12-28 15:54:56
AC	何庭杨xly2025	3ms	504 KiB	C++14(O2)	108 Bytes	2026-1-3 17:03:33
AC	张艺宁	3ms	760 KiB	C++14(O2)	109 Bytes	2025-8-17 9:46:24
AC	何超	3ms	504 KiB	C++14(O2)	110 Bytes	2025-8-17 8:07:40
AC	白一汎xly2025	3ms	504 KiB	C++14(O2)	116 Bytes	2025-7-5 11:46:25
AC	孔劲立2026dly	3ms	760 KiB	C++14(O2)	112 Bytes	2026-1-1 14:46:51