【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	罗雅馨	2ms	504 KiB	C++98	140 Bytes	2026-1-3 17:35:02
AC	姚竣瀚	2ms	504 KiB	C++98	105 Bytes	2025-5-4 20:02:37
AC	余梓毅	2ms	508 KiB	C++98	108 Bytes	2026-1-3 17:08:01
AC	韩艺轩	2ms	500 KiB	C++98	107 Bytes	2025-9-26 19:28:01
AC	aelbery	2ms	504 KiB	C++11	128 Bytes	2026-1-1 17:48:54
AC	余林泽	2ms	512 KiB	C++98	108 Bytes	2026-1-17 17:11:33
AC	田翔宇	2ms	504 KiB	C++98	107 Bytes	2025-11-15 10:54:28
AC	张熙悦	2ms	504 KiB	C++98	106 Bytes	2025-9-26 19:10:16
AC	gaga	3ms	504 KiB	C++98	120 Bytes	2026-1-2 10:26:01
AC	吴卓航	3ms	504 KiB	C++98	103 Bytes	2025-5-9 19:42:31
AC	hdh1z23	3ms	532 KiB	C++98	210 Bytes	2026-1-10 21:24:00
AC	罗俊	3ms	504 KiB	C++98	109 Bytes	2025-9-26 19:07:42
AC	zxy	3ms	504 KiB	C++98	108 Bytes	2025-10-27 19:00:24
AC	THR	3ms	512 KiB	C++14	564 Bytes	2026-1-11 13:48:52
AC	颜驿骁	3ms	364 KiB	C++98	109 Bytes	2025-9-26 19:20:11
AC	冉铖浩	3ms	508 KiB	C++98	108 Bytes	2025-4-27 21:12:04
AC	韩东廷	3ms	504 KiB	C++98	104 Bytes	2025-9-26 19:19:46
AC	杜彦澄	3ms	504 KiB	C++98	105 Bytes	2025-5-5 12:17:47
AC	曾靖皓	3ms	504 KiB	C++98	109 Bytes	2026-1-3 16:57:09
AC	胡舰寒	3ms	504 KiB	C++98	109 Bytes	2026-1-3 16:51:14
AC	熊谦溢	3ms	508 KiB	C++98	103 Bytes	2025-5-9 21:13:44
AC	杜懋霖	3ms	504 KiB	C++98	117 Bytes	2026-1-4 21:16:51
AC	向皓辰	3ms	536 KiB	C++98	108 Bytes	2024-9-21 12:49:20
AC	郑茗予	3ms	536 KiB	C++98	108 Bytes	2024-10-7 17:34:01
AC	sunny20170121	3ms	504 KiB	C++11	127 Bytes	2026-1-11 10:17:03
AC	Jinchuanhang	3ms	504 KiB	C++98	107 Bytes	2025-6-11 15:57:10
AC	覃祥益	3ms	504 KiB	C++98	104 Bytes	2025-4-30 20:07:03
AC	anna	3ms	512 KiB	C++11	118 Bytes	2026-1-11 13:58:49
AC	eric	3ms	504 KiB	C++98	124 Bytes	2026-1-2 16:21:27
AC	王睿麟	3ms	320 KiB	C++98	108 Bytes	2024-9-5 10:49:44
AC	李晨熙	3ms	536 KiB	C++98	106 Bytes	2024-9-12 18:10:17