【例3.1】输出表达式的值

状态	递交者	时间	内存	语言	代码	递交时间
AC	cyx123	3ms	17.7 MiB	C++17	115 Bytes	2026-10-6 11:01:35
AC	daxiang	3ms	16.8 MiB	C++17	93 Bytes	2026-9-8 15:18:00
AC	lixiang123	4ms	16.8 MiB	C++17	112 Bytes	2026-9-13 14:53:59
AC	yaoyao123	4ms	16.8 MiB	C++17	107 Bytes	2026-9-12 9:45:02
AC	zyc123	4ms	16.8 MiB	C++17	103 Bytes	2026-9-13 17:32:24
AC	lyx123	4ms	17.7 MiB	C++17	94 Bytes	2026-9-26 13:00:25
AC	zdw123	4ms	18.8 MiB	C++17	103 Bytes	2026-9-6 9:17:02
AC	sjh123	4ms	17.7 MiB	C++17	91 Bytes	2026-9-26 14:23:44
AC	cxn123	4ms	16.8 MiB	C++17	93 Bytes	2026-9-13 17:22:36
AC	xcx123	4ms	16.8 MiB	C++17	112 Bytes	2026-9-19 9:45:04
AC	xzc123	4ms	17.7 MiB	C++17	107 Bytes	2026-9-19 20:45:19
AC	nzh123	4ms	17.7 MiB	C++17	105 Bytes	2026-9-26 14:49:34
AC	czy123	4ms	18.8 MiB	C++17	107 Bytes	2026-9-6 9:25:53
AC	mzm	4ms	18.8 MiB	C++17	103 Bytes	2026-9-6 9:12:34
AC	wangrui123	4ms	16.8 MiB	C++17	86 Bytes	2026-9-13 15:17:46
AC	pxr123	4ms	16.7 MiB	C++17	89 Bytes	2026-9-19 15:32:33
AC	wmh123	4ms	16.8 MiB	C++17	100 Bytes	2026-9-12 16:27:11
AC	shumofan123	4ms	16.8 MiB	C++17	103 Bytes	2026-9-13 15:11:08
AC	jinlin123	4ms	16.8 MiB	C++17	93 Bytes	2026-9-13 17:35:51
AC	hch123	5ms	16.8 MiB	C++17	120 Bytes	2026-9-17 12:39:52
AC	ljh123	5ms	16.8 MiB	C++17	94 Bytes	2026-9-13 15:17:06
AC	wuyou123	5ms	18.8 MiB	C++17	107 Bytes	2026-9-6 9:30:42
AC	nmf123	5ms	17.7 MiB	C++17	94 Bytes	2026-9-26 14:11:23
AC	zzm123	51ms	16.8 MiB	Python 3	32 Bytes	2026-9-12 16:28:13
AC	cbyh123	55ms	16.8 MiB	Python 3	32 Bytes	2026-9-12 16:02:49