【例3.1】输出表达式的值

Status	Submit By	Time	Memory	Language	Code	Submit At
AC	朱子轩	2ms	768 KiB	C++14(O2)	106 Bytes	2025-9-9 17:10:56
AC	劳钰峰	2ms	324 KiB	C++98	125 Bytes	2025-9-9 17:24:58
AC	谢钰莹	2ms	536 KiB	C++98	111 Bytes	2025-9-16 17:04:26
AC	林贵镔	2ms	536 KiB	C++98	108 Bytes	2025-9-16 17:08:20
AC	benyao	2ms	536 KiB	C++98	113 Bytes	2025-9-16 16:40:30
AC	余骏熙	2ms	536 KiB	C++98	110 Bytes	2025-9-18 16:57:35
AC	李秉霖	2ms	536 KiB	C++98	108 Bytes	2025-9-16 17:23:32
AC	姜子轩	3ms	536 KiB	C++98	102 Bytes	2025-9-16 17:20:24
AC	陈沛宜	3ms	536 KiB	C++98	107 Bytes	2025-9-16 16:51:16
AC	陈铭涛	3ms	504 KiB	C++98	110 Bytes	2025-11-16 11:09:12
AC	黄键星	3ms	536 KiB	C++98	106 Bytes	2025-9-16 17:08:25
AC	邓敬轩	3ms	764 KiB	C++98	104 Bytes	2025-9-16 17:02:00
AC	陈翊衔	3ms	320 KiB	C++98	107 Bytes	2025-9-16 17:27:54
AC	吴梓妤	3ms	536 KiB	C++98	108 Bytes	2025-9-9 17:28:49
AC	朱健安	3ms	536 KiB	C++98	107 Bytes	2025-9-16 17:22:23
AC	吴树恒	3ms	536 KiB	C++98	102 Bytes	2025-9-16 16:53:17
AC	潘梓莹	3ms	540 KiB	C++98	105 Bytes	2025-9-16 17:07:51
AC	朱梓霖	3ms	536 KiB	C++14(O2)	104 Bytes	2025-9-10 18:29:31
AC	魏一辰	3ms	540 KiB	C++98	111 Bytes	2025-9-16 16:54:15
AC	庞少卿	3ms	324 KiB	C++98	112 Bytes	2025-9-11 14:22:46
AC	冼子童	3ms	324 KiB	C++98	111 Bytes	2025-9-16 16:47:55
AC	李志升	3ms	536 KiB	C++98	107 Bytes	2025-9-16 17:10:39
AC	文靖豪	3ms	768 KiB	C++98	117 Bytes	2025-9-20 10:35:57
AC	黄晓晴	3ms	320 KiB	C++98	112 Bytes	2025-9-16 16:52:19
AC	潘奕毅	3ms	324 KiB	C++98	102 Bytes	2025-9-16 17:17:05
AC	廖梵希	3ms	536 KiB	C++98	109 Bytes	2025-9-16 16:57:03
AC	陆梓熙	3ms	324 KiB	C++98	108 Bytes	2025-9-18 16:55:18
AC	陈宇轩	3ms	536 KiB	C++98	112 Bytes	2025-9-9 17:23:49
AC	林荣熙	3ms	492 KiB	C++98	107 Bytes	2025-9-18 16:50:26
AC	李文茵	3ms	536 KiB	C++98	113 Bytes	2025-9-16 20:44:26
AC	梁倬菲	3ms	536 KiB	C++98	108 Bytes	2025-9-13 18:36:03
AC	杜嘉乐	3ms	536 KiB	C++98	116 Bytes	2025-9-16 17:08:21
AC	KS_QiChai	3ms	320 KiB	C++98	112 Bytes	2025-9-22 21:00:02
AC	张若煊	3ms	328 KiB	C++98	112 Bytes	2025-9-9 21:54:22
AC	许苡键	3ms	536 KiB	C++98	91 Bytes	2025-9-14 10:10:31
AC	钟世博	3ms	536 KiB	C++98	106 Bytes	2025-9-14 21:56:21
AC	陈天翊	3ms	536 KiB	C++98	107 Bytes	2025-9-16 16:50:56
AC	邹芷安	3ms	324 KiB	C++98	118 Bytes	2025-9-16 17:04:22
AC	冯泽泓	3ms	320 KiB	C++98	115 Bytes	2025-9-16 17:19:06
AC	黎宇浠	3ms	508 KiB	C++98	111 Bytes	2025-10-2 19:12:18
AC	林毓瀚	3ms	536 KiB	C++98	116 Bytes	2025-9-16 16:50:53
AC	胡弘宣	3ms	768 KiB	C++98	111 Bytes	2025-9-10 10:07:18
AC	陈斯伟	3ms	536 KiB	C++98	107 Bytes	2025-9-15 10:05:01
AC	陈灏	3ms	324 KiB	C++98	114 Bytes	2025-9-15 22:12:20
AC	陈睿熙	3ms	764 KiB	C++98	112 Bytes	2025-9-18 11:38:32