【例3.1】输出表达式的值

Status	Submit By	Time	Memory	Language	Code	Submit At
AC	zzx	3ms	504 KiB	C++14	116 Bytes	2025-7-19 20:51:26
AC	谭皓骞xly2025	3ms	504 KiB	C++14(O2)	118 Bytes	2025-7-4 9:34:42
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	刘喻蔓	3ms	504 KiB	C++14(O2)	112 Bytes	2025-7-4 9:11:29
AC	许默xly2025	3ms	504 KiB	C++14(O2)	112 Bytes	2025-7-4 9:31:26
AC	王昱尊xly2025	3ms	508 KiB	C++14(O2)	109 Bytes	2025-7-5 8:42:03
AC	许然车	3ms	512 KiB	C++14(O2)	119 Bytes	2025-8-17 9:34:53
AC	Oxygen	3ms	504 KiB	C++14	111 Bytes	2025-5-25 17:26:17
AC	黄也洛	3ms	536 KiB	C++14(O2)	112 Bytes	2025-9-7 17:20:01
AC	taoruiguo120	3ms	760 KiB	C++14	94 Bytes	2025-7-17 18:54:33
AC	李瑾然xly2025	3ms	760 KiB	C++17(O2)	114 Bytes	2025-7-4 9:40:17
AC	hmtzl666	3ms	504 KiB	C++14(O2)	162 Bytes	2025-7-4 9:08:13
AC	杨苏灿	3ms	508 KiB	C++14(O2)	100 Bytes	2025-8-7 19:02:34
AC	yzh1217	3ms	320 KiB	C++14(O2)	112 Bytes	2024-8-13 16:18:07
AC	wangmingxuan	3ms	324 KiB	C++14(O2)	108 Bytes	2024-8-7 15:22:29
AC	李鸿瑞	3ms	484 KiB	C++14(O2)	109 Bytes	2025-8-16 20:32:34
AC	许家畅xly2025	3ms	504 KiB	C++14(O2)	117 Bytes	2025-7-4 9:32:59
AC	曹磊	3ms	504 KiB	C++14	114 Bytes	2025-5-26 14:33:16
AC	刘熠辰	3ms	764 KiB	C++14(O2)	111 Bytes	2025-9-13 10:36:10
AC	邵馨羽qcx	3ms	504 KiB	C++14(O2)	112 Bytes	2025-7-7 9:29:19
AC	向奕锦1.04	3ms	504 KiB	C++14(O2)	112 Bytes	2025-7-5 10:05:03
AC	缪欣然xly2025	3ms	488 KiB	C++14(O2)	115 Bytes	2025-7-4 9:53:35
AC	王冠楠xly2025	3ms	760 KiB	C++14(O2)	120 Bytes	2025-7-4 9:10:40
AC	陆昊宇	3ms	504 KiB	C++14(O2)	116 Bytes	2025-7-7 14:00:52
AC	黄昭明xly2025	3ms	504 KiB	C++14(O2)	108 Bytes	2025-7-7 8:25:11
AC	乃隆	3ms	536 KiB	C++14(O2)	111 Bytes	2025-9-12 16:04:58
AC	heqianyu	3ms	324 KiB	C++14(O2)	149 Bytes	2024-7-20 15:54:21
AC	BRO	3ms	768 KiB	C++98	115 Bytes	2024-7-8 23:17:27
AC	刘小琳	3ms	760 KiB	C++14	107 Bytes	2025-7-5 9:45:28