【例3.1】输出表达式的值

Status	Submit By	Time	Memory	Language	Code	Submit At

AC	shtian	2ms	536 KiB	C++98	159 Bytes	2024-7-10 20:37:40
AC	string_dbr	2ms	504 KiB	C++14(O2)	325 Bytes	2025-5-26 14:31:19
AC	_chjich_	2ms	324 KiB	C++14(O2)	112 Bytes	2024-7-23 9:07:45
AC	root	3ms	504 KiB	C++14(O2)	115 Bytes	2025-5-3 8:12:12
AC	gfgg	3ms	504 KiB	C++14(O2)	109 Bytes	2025-5-26 11:08:23
AC	Oxygen	3ms	504 KiB	C++14	111 Bytes	2025-5-25 17:26:17
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	曹磊	3ms	504 KiB	C++14	114 Bytes	2025-5-26 14:33:16
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