【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	luohan	2ms	504 KiB	C++98	111 Bytes	2025-10-26 10:13:16
AC	muli	3ms	504 KiB	C++98	103 Bytes	2025-11-9 20:12:48
AC	zhaoyang	3ms	324 KiB	C++98(O2)	102 Bytes	2025-9-6 10:32:34
AC	fanwenxi	3ms	504 KiB	C++98	87 Bytes	2025-10-25 20:39:15
AC	haoyang	3ms	536 KiB	C++98	103 Bytes	2025-9-13 15:18:34
AC	zoulang	3ms	536 KiB	C++98	102 Bytes	2025-9-6 10:40:47
AC	yicheng	3ms	536 KiB	C++98	104 Bytes	2025-9-20 21:52:23
AC	shujin	3ms	536 KiB	C++98	107 Bytes	2025-8-24 16:01:42
AC	zengpeng	3ms	536 KiB	C++98	105 Bytes	2025-9-6 10:34:10
AC	xiyue	3ms	504 KiB	C++98	105 Bytes	2025-11-10 20:21:56
AC	mulin	3ms	504 KiB	C++98	101 Bytes	2025-8-23 17:24:59