【例3.1】输出表达式的值

Status	Submit By	Time	Memory	Language	Code	Submit At
AC	C23pengweixuan	2ms	536 KiB	C++11	108 Bytes	2024-3-31 16:53:14
AC	C23fengrui	3ms	284 KiB	C++17(O2)	995 Bytes	2023-9-10 15:16:33
AC	C23liukaiyan	3ms	284 KiB	C++11	97 Bytes	2023-11-21 18:53:57
AC	C23xuzhiyu	3ms	412 KiB	C++11	88 Bytes	2023-11-21 18:54:24
AC	C23panweiming	3ms	284 KiB	C++11	103 Bytes	2023-10-29 15:15:57
AC	C24zhengfujia	3ms	536 KiB	C++11	81 Bytes	2024-12-13 18:52:02
AC	C23chenxinglin	3ms	412 KiB	C++11	146 Bytes	2023-12-23 15:29:45
AC	C23liupeilin	3ms	412 KiB	C++17(O2)	109 Bytes	2023-9-26 20:05:52
AC	C23limingze	3ms	284 KiB	C++11	85 Bytes	2023-10-6 19:19:55
AC	C23linzixuan	3ms	284 KiB	C++11	108 Bytes	2023-12-5 20:14:29
AC	C23huangyuran	3ms	284 KiB	C++17	88 Bytes	2023-10-22 19:56:10
AC	C23zhangruiyuan	3ms	284 KiB	C++17(O2)	104 Bytes	2023-9-27 16:26:29