【例3.1】输出表达式的值

状态	递交者	时间	内存	语言	代码	递交时间
AC	{"group":"周六上午10点" (吴楷睿)	1ms	504 KiB	C++14(O2)	112 Bytes	2025-8-6 16:32:18
AC	我爱刷题，刷题爱我！ (冷奕程)	1ms	512 KiB	C++14(O2)	101 Bytes	2026-4-12 11:11:28
AC	常博文	2ms	504 KiB	C++14(O2)	106 Bytes	2025-10-5 15:10:46
AC	(翟浩臣)	2ms	504 KiB	C++14(O2)	108 Bytes	2025-6-21 10:36:19
AC	汪浩然	2ms	340 KiB	C++14(O2)	127 Bytes	2025-7-6 9:52:32
AC	zhushiyu	2ms	512 KiB	C++14(O2)	102 Bytes	2026-3-21 17:00:36
AC	yuchenyue	2ms	540 KiB	C++14(O2)	102 Bytes	2026-3-21 17:03:56
AC	{"group":"周六上午10点" (余锦辰)	2ms	504 KiB	C++14(O2)	106 Bytes	2025-7-3 11:06:42
AC	冯锐阳	2ms	508 KiB	C++14(O2)	111 Bytes	2025-7-4 16:38:16
AC	杨羽柯	2ms	512 KiB	C++14(O2)	102 Bytes	2026-3-15 10:01:58
AC	秦朗	2ms	504 KiB	C++14(O2)	148 Bytes	2025-7-2 21:25:28
AC	小陈同学 (陈李钰)	2ms	504 KiB	C++14(O2)	106 Bytes	2025-12-21 15:42:41
AC	༺ཌༀ༒ཉི࿈༃༒ༀད༻ (洪明轩)	2ms	504 KiB	C++14(O2)	108 Bytes	2025-7-4 11:33:22
AC	jiangzhiyuan	2ms	512 KiB	C++14(O2)	103 Bytes	2026-3-21 17:01:27
AC	徐老师	2ms	512 KiB	C++14(O2)	119 Bytes	2026-3-21 16:58:46
AC	曹思源	2ms	512 KiB	C++14(O2)	102 Bytes	2026-4-27 15:14:13
AC	周恬愉	2ms	512 KiB	C++14(O2)	139 Bytes	2026-4-14 21:31:52
AC	yaoliyidan	2ms	504 KiB	C++11	106 Bytes	2025-7-17 21:14:28
AC	石以珩	2ms	512 KiB	C++14(O2)	104 Bytes	2026-3-10 18:46:59
AC	傅祺智	2ms	512 KiB	C++14(O2)	113 Bytes	2026-5-28 20:48:52
AC	李静茹1	3ms	500 KiB	C++14(O2)	105 Bytes	2026-3-21 17:03:47
AC	孙瑞泽	3ms	504 KiB	C++14(O2)	107 Bytes	2025-11-22 14:11:17
AC	liuheli	3ms	512 KiB	C++14(O2)	107 Bytes	2026-3-21 17:00:23
AC	杨博睿	3ms	504 KiB	C++14(O2)	122 Bytes	2025-8-10 15:05:48
AC	litianrui	3ms	504 KiB	C++98	106 Bytes	2025-5-4 21:05:17
AC	赵宸宇	3ms	504 KiB	C++14(O2)	97 Bytes	2025-7-17 16:51:01
AC	巫业辉	3ms	512 KiB	C++14(O2)	102 Bytes	2026-6-6 15:55:55
AC	孙紫轩	3ms	536 KiB	C++14(O2)	111 Bytes	2025-8-30 11:29:00
AC	(李欣泽)	3ms	504 KiB	C++14(O2)	124 Bytes	2025-6-18 12:31:52
AC	tanxiaowen	3ms	504 KiB	C++14(O2)	113 Bytes	2025-11-14 21:01:41
AC	!@#$#^ (孙乐阳)	3ms	504 KiB	C++14(O2)	124 Bytes	2025-6-26 21:27:21
AC	猫小九 (何徽珩)	3ms	512 KiB	C++14(O2)	102 Bytes	2026-4-12 11:22:00
AC	程煜	3ms	348 KiB	C++14(O2)	106 Bytes	2025-7-4 11:33:16
AC	liyaoyanlin	3ms	504 KiB	C++98	108 Bytes	2025-4-2 21:10:52
AC	dongxuezhi	3ms	512 KiB	C++14(O2)	103 Bytes	2026-3-21 17:00:45
AC	尹佳琪	3ms	504 KiB	C++14(O2)	110 Bytes	2025-7-27 12:01:03
AC	王家芮	3ms	512 KiB	C++14(O2)	101 Bytes	2026-4-12 11:21:20
AC	李承宇	3ms	504 KiB	C++14(O2)	111 Bytes	2025-8-19 20:56:26
AC	林嘉骥	3ms	504 KiB	C++14(O2)	113 Bytes	2025-6-11 18:31:32
AC	韩宥哲	3ms	532 KiB	C++14(O2)	108 Bytes	2025-7-13 12:14:13
AC	yaoqizhe	3ms	760 KiB	C++14(O2)	108 Bytes	2025-7-19 15:37:42
AC	6666.66 (wangyinan)	3ms	512 KiB	C++14(O2)	122 Bytes	2026-3-21 18:00:28
AC	陈韵州	3ms	512 KiB	C++14(O2)	105 Bytes	2026-3-7 12:13:24
AC	陈梓豪	3ms	504 KiB	C++14(O2)	108 Bytes	2025-10-19 12:22:40
AC	纪诺一	3ms	320 KiB	C++14(O2)	107 Bytes	2025-9-2 17:22:41
AC	卫明睿	3ms	504 KiB	C++14(O2)	109 Bytes	2025-11-16 10:14:50
AC	周浩荣	3ms	508 KiB	C++14(O2)	100 Bytes	2025-7-1 14:09:22
AC	徐启正	3ms	504 KiB	C++14(O2)	107 Bytes	2025-7-2 16:53:40
AC	唐之之	3ms	512 KiB	C++14(O2)	140 Bytes	2026-3-24 18:31:26
AC	闪天鸿	3ms	504 KiB	C++14(O2)	110 Bytes	2025-6-20 13:52:34
AC	胡佳俊	3ms	504 KiB	C++14(O2)	108 Bytes	2025-7-4 11:27:54
AC	张梓宸	3ms	504 KiB	C++14(O2)	106 Bytes	2025-8-10 12:35:55
AC	wqq	3ms	504 KiB	C++98	113 Bytes	2025-8-9 15:38:29
AC	姜相池	3ms	768 KiB	C++14(O2)	101 Bytes	2026-4-19 12:07:05
AC	陈歆玥	3ms	512 KiB	C++14(O2)	106 Bytes	2026-6-6 15:54:57
AC	贾晨熙	3ms	512 KiB	C++14(O2)	101 Bytes	2026-6-7 12:30:04
AC	方霁帆	3ms	508 KiB	C++14(O2)	115 Bytes	2025-12-13 10:55:37
AC	龙的传人 (zyf) E (湛易峰)	3ms	504 KiB	C++14(O2)	109 Bytes	2025-8-9 10:18:35
AC	C++很差 (liyaoyanheng)	3ms	504 KiB	C++98	112 Bytes	2025-4-2 21:16:27
AC	丁思淼	3ms	504 KiB	C++14(O2)	109 Bytes	2025-11-12 13:09:25
AC	汤乾	3ms	512 KiB	C++14(O2)	102 Bytes	2026-4-11 20:27:22
AC	刘明泽	3ms	512 KiB	C++14(O2)	102 Bytes	2026-6-3 19:29:59
AC	咕咕咕！ (handaicheng)	3ms	516 KiB	C++14(O2)	105 Bytes	2026-3-21 17:00:45
AC	左沛霖	3ms	512 KiB	C++14(O2)	106 Bytes	2026-4-4 21:05:18
AC	温喜颜	3ms	520 KiB	C++14(O2)	101 Bytes	2026-5-25 20:00:16
AC	张思睿1	3ms	512 KiB	C++14(O2)	168 Bytes	2026-3-12 11:40:50
AC	许宸扬	3ms	512 KiB	C++14(O2)	104 Bytes	2026-4-11 7:56:11
AC	赵远航1	3ms	496 KiB	C++14(O2)	169 Bytes	2026-4-25 21:24:29
AC	zhaozhiyu	3ms	512 KiB	C++14(O2)	102 Bytes	2026-3-21 17:01:35
AC	huangyichen	3ms	512 KiB	C++14(O2)	104 Bytes	2026-3-21 17:03:01
AC	GESP (顾益诚)	3ms	760 KiB	C++14(O2)	116 Bytes	2025-8-1 12:56:08
AC	☺刷题快乐！！！ (朱浩晨)	3ms	512 KiB	C++14(O2)	101 Bytes	2026-4-12 11:18:24
AC	许彧	3ms	504 KiB	C++14(O2)	116 Bytes	2025-10-30 21:48:16
AC	李睿凡	3ms	512 KiB	C++14(O2)	143 Bytes	2026-4-26 19:46:57
AC	邹济凡	3ms	512 KiB	C++14(O2)	102 Bytes	2026-3-15 10:03:02
AC	zhangtianle	3ms	512 KiB	C++14(O2)	108 Bytes	2026-3-21 17:04:48
AC	杜劭晴	3ms	504 KiB	C++14(O2)	106 Bytes	2025-7-2 19:52:50
AC	chy陈浩洋 (陈浩洋)	3ms	504 KiB	C++14(O2)	111 Bytes	2025-8-12 20:00:07
AC	左修远	3ms	368 KiB	C++14(O2)	107 Bytes	2025-7-16 12:21:18
AC	张梓优	3ms	512 KiB	C++14(O2)	102 Bytes	2026-4-19 12:09:19
AC	赵婧雯	3ms	760 KiB	C++14(O2)	107 Bytes	2025-7-20 18:56:24
AC	曹子禾	3ms	720 KiB	C++14(O2)	125 Bytes	2025-7-4 11:29:38
AC	{"group":"周六上午10点" (骆骁宇)	3ms	504 KiB	C++14(O2)	106 Bytes	2025-7-4 15:22:39
AC	xyc (夏懿陈)	3ms	504 KiB	C++14(O2)	106 Bytes	2025-7-4 9:52:48
AC	蒋梓清	3ms	768 KiB	C++14(O2)	107 Bytes	2025-9-8 22:36:44
AC	栾明泽	3ms	320 KiB	C++14(O2)	132 Bytes	2025-9-4 18:18:19
AC	曹宸梓祺	3ms	512 KiB	C++14(O2)	90 Bytes	2026-3-24 12:29:10
AC	潘庆宸	3ms	512 KiB	C++14(O2)	106 Bytes	2026-3-10 18:46:15
AC	高梓夏(32)(@) (高梓夏)	3ms	504 KiB	C++14(O2)	110 Bytes	2025-7-16 20:07:22
AC	刘明泽1	3ms	512 KiB	C++14(O2)	102 Bytes	2026-3-21 17:07:01
AC	丁可文颉	3ms	504 KiB	C++14(O2)	124 Bytes	2025-6-15 9:36:39
AC	王彦博	3ms	324 KiB	C++14(O2)	107 Bytes	2025-8-27 8:27:40
AC	刘东林	3ms	504 KiB	C++14(O2)	105 Bytes	2026-3-15 9:58:39
AC	胡梓越	3ms	512 KiB	C++14(O2)	101 Bytes	2026-4-16 22:47:45
AC	张沐	3ms	504 KiB	C++14(O2)	104 Bytes	2025-7-4 22:14:05
AC	钟知航	3ms	760 KiB	C++14(O2)	112 Bytes	2025-6-16 13:01:58
AC	常胤豪	3ms	536 KiB	C++14(O2)	107 Bytes	2025-8-25 17:04:25
AC	吕晨宇	3ms	504 KiB	C++14(O2)	107 Bytes	2025-7-2 14:00:44
AC	jhaew rnfbc WHGLE RYGHDFW89 (郭昌言)	3ms	512 KiB	C++14(O2)	106 Bytes	2026-4-12 11:25:27
AC	郭佳骐	3ms	536 KiB	C++14(O2)	95 Bytes	2025-9-9 21:25:05