【例3.1】输出表达式的值

Status	Submit By	Time	Memory	Language	Code	Submit At
AC	高翊宸	1ms	764 KiB	C++11	105 Bytes	2025-2-8 18:36:10
AC	imsunxinhao	3ms	324 KiB	C++23(O2)	113 Bytes	2024-11-23 20:26:02
AC	李金十	3ms	536 KiB	C++98	97 Bytes	2025-1-23 21:19:35
AC	imsxh	3ms	764 KiB	C++23(O2)	113 Bytes	2024-12-2 22:00:42
AC	丁广昊:)	3ms	764 KiB	C++98	113 Bytes	2024-11-24 6:55:50
AC	wjy	31ms	3.9 MiB	Python 3	30 Bytes	2024-11-23 17:09:16
AC	代易霖	45ms	6.9 MiB	PHP	21 Bytes	2025-3-22 17:19:10