【例1-2】后缀表达式的值（逆波兰表达式）

Status	Submit By	Time	Memory	Language	Code	Submit At
AC	C24liudongqing	10ms	404 KiB	C++11	704 Bytes	2025-2-26 16:39:22
AC	C23huangminzhe	10ms	404 KiB	C++11	581 Bytes	2023-12-15 19:02:03
AC	C24zhengfujia	10ms	404 KiB	C++11	1.7 KiB	2024-12-18 16:41:19
AC	C24yaoyijun	10ms	404 KiB	C++11	941 Bytes	2024-7-11 22:02:49
AC	C23lingyiyu	10ms	404 KiB	C++11	709 Bytes	2024-5-18 16:38:57
AC	C23huangminzhe	11ms	404 KiB	C++11	555 Bytes	2024-2-15 18:58:40
AC	C23huangyuran	11ms	408 KiB	C++17	802 Bytes	2023-12-11 13:52:52
AC	C24zhaozicheng	11ms	404 KiB	C++11	939 Bytes	2024-10-22 19:45:33
AC	C23panweiming	11ms	404 KiB	C++11	709 Bytes	2023-12-10 12:57:01
AC	C23chenxinglin	11ms	404 KiB	C++11	709 Bytes	2024-2-24 11:33:38
AC	h_h	11ms	404 KiB	C++11	718 Bytes	2024-12-18 19:34:44
AC	C23panweiming	11ms	408 KiB	C++11	912 Bytes	2023-12-7 20:25:00
AC	C23huangyuran	11ms	404 KiB	C++11	810 Bytes	2023-12-11 13:54:00
AC	C23pengweixuan	11ms	408 KiB	C++11	802 Bytes	2024-3-7 15:02:31
AC	C23fengrui	11ms	408 KiB	C++14	954 Bytes	2023-12-16 14:46:37
AC	C23panweiming	11ms	404 KiB	C++11	846 Bytes	2023-12-7 20:23:39
AC	C23panweiming	11ms	404 KiB	C++11	709 Bytes	2023-12-7 20:31:01
AC	C24zhongzifan	11ms	404 KiB	C++11	833 Bytes	2024-12-18 23:40:03
AC	C23huangzhiyuan	11ms	408 KiB	C++11	600 Bytes	2023-12-24 12:16:46
AC	C23chensiyu	11ms	404 KiB	C++11	566 Bytes	2023-12-23 14:08:58
AC	C23zhuanghaojun	11ms	404 KiB	C++11	709 Bytes	2023-12-19 13:30:52
AC	C23huangyuran	11ms	404 KiB	C++17	804 Bytes	2023-12-11 13:53:23
AC	C23zhangshangkuan	11ms	404 KiB	C++11	480 Bytes	2024-2-26 20:55:23
AC	C24liukaiwen	11ms	404 KiB	C++11	615 Bytes	2024-12-20 21:29:02
AC	C24wanghongming	11ms	404 KiB	C++11	784 Bytes	2025-1-16 15:52:36
AC	C23lvzekai	11ms	404 KiB	C++17	622 Bytes	2023-12-10 20:58:47
AC	C23wanghanyu	11ms	404 KiB	C++11	456 Bytes	2023-12-23 13:07:33
AC	C23liupeilin	11ms	404 KiB	C++11	1.1 KiB	2023-12-16 17:00:16
AC	C23fufuhang	11ms	404 KiB	C++11	646 Bytes	2024-4-18 14:54:16
AC	C23lvzekai	11ms	404 KiB	C++11	622 Bytes	2024-2-9 17:47:59
AC	C23litianyue	11ms	404 KiB	C++11	912 Bytes	2024-2-10 19:14:32
AC	C23litianyue	11ms	404 KiB	C++11	912 Bytes	2023-12-13 17:22:15
AC	C23caimingfeng	11ms	404 KiB	C++11	621 Bytes	2024-2-5 19:43:35
AC	C23chenxinglin	11ms	404 KiB	C++11	579 Bytes	2023-12-16 21:49:17
AC	C24kongxiangtai	11ms	404 KiB	C++11	541 Bytes	2024-12-19 13:21:46
AC	C24liuyunze	11ms	408 KiB	C++11	794 Bytes	2024-12-20 20:33:34
AC	C23fengrui	11ms	408 KiB	C++14	954 Bytes	2024-2-21 11:57:35
AC	C23zhangenming	11ms	404 KiB	C++11	699 Bytes	2025-1-16 20:49:46
AC	C23huyating	11ms	404 KiB	C++11	802 Bytes	2024-6-10 15:07:29
AC	C24zhouyanchen	11ms	404 KiB	C++11	1.1 KiB	2024-12-20 19:06:22
AC	C23yanzizheng	11ms	404 KiB	C++11	664 Bytes	2024-1-31 19:31:02
AC	C25liangwenjing	11ms	404 KiB	C++11	699 Bytes	2025-1-17 13:33:07
AC	C23xiehaoxuan	11ms	404 KiB	C++11	709 Bytes	2024-1-27 14:04:42
AC	C24yechenxi	11ms	404 KiB	C++11	871 Bytes	2025-3-15 21:06:20
AC	C23linzixuan	11ms	404 KiB	C++11	954 Bytes	2024-3-17 22:31:20
AC	C23caimingfeng	11ms	404 KiB	C++11	598 Bytes	2024-2-5 19:45:10
AC	C24zhengshunyuan	11ms	404 KiB	C++11	715 Bytes	2024-12-20 13:21:10
AC	C23liupeilin	11ms	408 KiB	C++11	1.1 KiB	2024-1-30 21:25:59
AC	C23huangzhiyuan	11ms	404 KiB	C++11	600 Bytes	2024-2-17 20:52:54
AC	C23panweiming	11ms	404 KiB	C++14	709 Bytes	2023-12-7 20:31:42