【例3.1】输出表达式的值

Status	Submit By	Time	Memory	Language	Code	Submit At
AC	刘诗瑶qcx	3ms	504 KiB	C++14(O2)	114 Bytes	2025-7-7 9:18:13
AC	殷骏杰2026dly	3ms	504 KiB	C++14(O2)	113 Bytes	2026-1-3 17:49:41
AC	吴承锦2026dly	3ms	504 KiB	C++14(O2)	116 Bytes	2026-1-1 11:39:41
AC	周若萱2026dly	3ms	512 KiB	C++14(O2)	113 Bytes	2026-1-22 10:02:32
AC	刀云皓2026dly	3ms	760 KiB	C++14(O2)	112 Bytes	2025-12-28 20:35:11
AC	刘原铮2026dly	3ms	504 KiB	C++14(O2)	106 Bytes	2025-12-28 19:21:39
AC	彭丞尧2026dly	3ms	508 KiB	C++14(O2)	95 Bytes	2025-12-29 22:14:49
AC	唐嘉慧2026dly	3ms	504 KiB	C++14(O2)	99 Bytes	2025-12-31 21:16:22
AC	杨清冉2026dly	3ms	504 KiB	C++17(O2)	115 Bytes	2026-1-1 16:43:13
AC	王芊朗2026dly	3ms	368 KiB	C++14(O2)	108 Bytes	2026-1-1 19:43:23
AC	邓嘉怡2026dly	3ms	504 KiB	C++14(O2)	104 Bytes	2026-1-1 15:01:31
AC	周天心2026dly	3ms	512 KiB	C++14(O2)	108 Bytes	2026-1-22 14:47:18
AC	黄健峰2026dly	3ms	504 KiB	C++14(O2)	108 Bytes	2025-12-30 21:50:29
AC	纳壮图2026dly	3ms	512 KiB	C++14(O2)	110 Bytes	2026-1-26 19:30:30
AC	王琛2026dly	3ms	504 KiB	C++14(O2)	106 Bytes	2026-1-5 13:32:53
AC	邵煜翔2026dly	3ms	504 KiB	C++14(O2)	112 Bytes	2026-1-3 21:50:10
AC	王鸿畅xly2025	3ms	504 KiB	C++14(O2)	114 Bytes	2025-7-4 9:42:33
AC	李安冉2026dly	3ms	508 KiB	C++14(O2)	111 Bytes	2025-12-30 12:51:38
AC	李承兴	3ms	532 KiB	C++14(O2)	112 Bytes	2025-7-5 9:48:24
AC	杨轩2026dly	3ms	504 KiB	C++14(O2)	109 Bytes	2025-12-28 22:13:16
AC	郭子怡2026dly	3ms	504 KiB	C++14(O2)	111 Bytes	2025-12-31 20:55:29
AC	孙培沂2026dly	3ms	504 KiB	C++14(O2)	115 Bytes	2026-1-2 17:47:42
AC	周皓冉	3ms	512 KiB	C++14(O2)	114 Bytes	2026-2-5 14:17:31
AC	李昕豫2026dly	3ms	508 KiB	C++14(O2)	108 Bytes	2025-12-28 16:03:00
AC	张芷若xly2025	3ms	504 KiB	C++14(O2)	133 Bytes	2025-7-4 9:11:41
AC	马天佑2026dly	3ms	504 KiB	C++14(O2)	107 Bytes	2025-12-29 21:07:15
AC	李铭凯2026dly	3ms	504 KiB	C++14(O2)	106 Bytes	2025-12-28 19:40:54
AC	王一2026dly	3ms	504 KiB	C++14(O2)	109 Bytes	2025-12-28 15:10:32
AC	宁婕2026dly	3ms	504 KiB	C++14(O2)	106 Bytes	2025-12-29 11:19:41
AC	刘耘滕2026dly	3ms	504 KiB	C++14(O2)	114 Bytes	2025-12-29 22:30:25
AC	李江蒙	3ms	504 KiB	C++14(O2)	116 Bytes	2025-10-20 17:21:43
AC	20130423dzx	3ms	512 KiB	C++14(O2)	104 Bytes	2026-1-29 14:16:12
AC	苏浩宇2026dly	3ms	504 KiB	C++14(O2)	116 Bytes	2026-1-3 19:56:38
AC	龙肖瑾xly2025	3ms	544 KiB	C++14(O2)	106 Bytes	2026-1-15 14:01:17
AC	严梓绮2026dly	3ms	504 KiB	C++14(O2)	109 Bytes	2025-12-29 22:10:58
AC	李芮萱2026dly	3ms	504 KiB	C++14(O2)	114 Bytes	2026-1-2 21:53:45
AC	程一心2026dly	3ms	504 KiB	C++14(O2)	115 Bytes	2026-1-2 15:52:21
AC	吴勉辉2026dly	3ms	512 KiB	C++14(O2)	109 Bytes	2026-1-25 19:21:25
AC	宗源卿2026dly	3ms	504 KiB	C++14(O2)	107 Bytes	2026-1-1 14:27:23
AC	Mch121018	3ms	504 KiB	C++17(O2)	52 Bytes	2025-12-28 19:56:21
AC	Harry	3ms	504 KiB	C++14	114 Bytes	2025-7-20 20:29:45
AC	黄琨淇	3ms	360 KiB	C++14(O2)	107 Bytes	2026-2-8 17:10:40
AC	杨立科2026dly	3ms	488 KiB	C++14(O2)	108 Bytes	2025-12-29 12:42:36
AC	pcx...	3ms	504 KiB	C++14	109 Bytes	2025-7-22 22:16:35
AC	李钰浩2026dly	3ms	504 KiB	C++14(O2)	109 Bytes	2025-12-29 22:57:15
AC	石勇超	3ms	504 KiB	C++14(O2)	115 Bytes	2025-8-17 10:43:08
AC	黄佳欣2026dly	3ms	508 KiB	C++14(O2)	113 Bytes	2026-1-1 16:03:40
AC	祝语梵2026dly	3ms	504 KiB	C++14(O2)	114 Bytes	2025-12-29 20:48:20
AC	马荣宣2026dly	3ms	504 KiB	C++14(O2)	107 Bytes	2025-12-28 19:16:09
AC	李宇翔2026dly	3ms	504 KiB	C++14(O2)	125 Bytes	2025-12-28 23:02:28
AC	王弘羿2026dly	3ms	504 KiB	C++14(O2)	109 Bytes	2025-12-28 16:38:51
AC	张宸语2026dly	3ms	504 KiB	C++14(O2)	159 Bytes	2026-1-2 22:55:51
AC	徐诗涵2026dly	3ms	504 KiB	C++14(O2)	119 Bytes	2026-1-3 10:33:56
AC	李玉涵2026dly	3ms	504 KiB	C++14(O2)	103 Bytes	2025-12-31 20:53:01
AC	田玺琳	3ms	504 KiB	C++14(O2)	112 Bytes	2025-7-4 9:37:49
AC	钱颢文2026dly	3ms	504 KiB	C++14(O2)	103 Bytes	2026-1-1 21:22:15
AC	马梓桐2026dly	3ms	504 KiB	C++14(O2)	118 Bytes	2025-12-29 13:22:23
AC	钟雨辰xly2025	3ms	504 KiB	C++14(O2)	106 Bytes	2025-7-4 9:15:28
AC	罗袖榕2026dly	3ms	504 KiB	C++14(O2)	114 Bytes	2026-1-1 10:00:37
AC	zzy15924600533	3ms	504 KiB	C++14(O2)	113 Bytes	2025-7-20 16:58:23
AC	_anguanie_	3ms	504 KiB	C++14(O2)	106 Bytes	2025-7-4 9:04:35
AC	余梓铭2026dly	3ms	504 KiB	C++14(O2)	112 Bytes	2025-12-28 20:50:00
AC	王研钧2026dly	3ms	504 KiB	C++14(O2)	113 Bytes	2026-1-1 1:22:33
AC	班振浩	3ms	324 KiB	C++14(O2)	122 Bytes	2025-9-20 9:21:30
AC	昂冠宇xly2025	3ms	504 KiB	C++14(O2)	120 Bytes	2025-7-4 9:43:34
AC	陈珑予xly2025	3ms	508 KiB	C++14(O2)	110 Bytes	2025-7-4 9:06:55
AC	周煜杰	3ms	500 KiB	C++14(O2)	111 Bytes	2025-7-4 18:04:12
AC	徐尔蔓2026dly	3ms	448 KiB	C++14(O2)	106 Bytes	2025-12-28 22:58:38
AC	张振珂2026dly	3ms	504 KiB	C++14(O2)	115 Bytes	2026-1-3 20:44:08
AC	万千绮qcx	3ms	544 KiB	C++14(O2)	114 Bytes	2025-7-8 16:27:18
AC	陈姝瑜	3ms	504 KiB	C++14(O2)	108 Bytes	2025-8-16 20:30:44
AC	何嘉桐2026dly	3ms	520 KiB	C++14(O2)	114 Bytes	2026-1-1 22:12:34
AC	代轩语2026dly	3ms	532 KiB	C++14(O2)	163 Bytes	2026-1-1 16:59:37
AC	王思懿	3ms	504 KiB	C++14(O2)	112 Bytes	2025-7-4 9:09:49
AC	马泽宇2026dly	3ms	504 KiB	C++14(O2)	107 Bytes	2026-1-2 10:04:20
AC	肖钰曦	3ms	504 KiB	C++14(O2)	112 Bytes	2025-8-7 17:07:11
AC	李奕彤2026dly	3ms	504 KiB	C++14(O2)	106 Bytes	2025-12-31 17:28:33
AC	刘佳汐2026dly	3ms	504 KiB	C++14(O2)	114 Bytes	2025-12-28 21:06:44
AC	z343151536	3ms	504 KiB	C++14	109 Bytes	2025-8-18 16:39:06
AC	root	3ms	504 KiB	C++14(O2)	115 Bytes	2025-5-3 8:12:12
AC	李俊诚	3ms	504 KiB	C++14(O2)	112 Bytes	2025-7-17 9:56:32
AC	汤智钧2026dly	3ms	504 KiB	C++14(O2)	115 Bytes	2025-12-28 20:37:43
AC	赵忠霈2026dly	3ms	496 KiB	C++14(O2)	107 Bytes	2026-1-2 22:42:51
AC	杨晨希xly2025	3ms	504 KiB	C++14(O2)	113 Bytes	2025-7-4 9:06:56
AC	李曦阳2026dly	3ms	504 KiB	C++14(O2)	107 Bytes	2026-1-1 21:43:13
AC	孙道庸2026dly	3ms	504 KiB	C++14(O2)	125 Bytes	2026-1-3 14:48:38
AC	王承毅2026dly	3ms	504 KiB	C++14(O2)	106 Bytes	2025-12-31 21:51:25
AC	刘小琳2026dly	3ms	512 KiB	C++14(O2)	106 Bytes	2026-1-18 10:04:52
AC	惠文奕xly2025	3ms	504 KiB	C++14(O2)	117 Bytes	2025-7-4 19:48:18
AC	方晨州2026dly	3ms	488 KiB	C++14(O2)	106 Bytes	2025-12-28 11:41:46
AC	李梓辰2026dly	3ms	504 KiB	C++14(O2)	106 Bytes	2025-12-30 22:47:11
AC	ZYJing2012	3ms	504 KiB	C++14(O2)	116 Bytes	2025-7-4 9:08:55
AC	后程兮qcx	3ms	504 KiB	C++14(O2)	111 Bytes	2025-7-18 11:17:17
AC	黄腾钰2026dly	3ms	532 KiB	C++14(O2)	136 Bytes	2025-12-28 20:12:53
AC	方雪岚2026dly	3ms	504 KiB	C++14(O2)	111 Bytes	2025-12-29 21:14:45
AC	李铭禹2026dly	3ms	504 KiB	C++14(O2)	109 Bytes	2025-12-31 22:59:39
AC	钟执墨2026dly	3ms	504 KiB	C++14(O2)	147 Bytes	2025-12-29 19:29:04
AC	王熙尧2026dly	3ms	504 KiB	C++14(O2)	106 Bytes	2026-1-4 22:56:53
AC	李沐一	3ms	512 KiB	C++14(O2)	105 Bytes	2026-1-28 14:30:10
AC	李雨滴2026dly	3ms	504 KiB	C++14(O2)	114 Bytes	2025-12-30 23:00:00