括号匹配问题

Status	Submit By	Time	Memory	Language	Code	Submit At
AC	ALT_zhangweichen	2ms	20.4 MiB	C++14	102 Bytes	2026-8-2 19:18:26
AC	ALT_balanshi	2ms	20.1 MiB	C++14	606 Bytes	2026-6-7 16:32:59
AC	ALT_daixizheng	2ms	20.1 MiB	C++14	731 Bytes	2026-6-7 16:31:08
AC	ALT_sunshuoran	2ms	20.4 MiB	C++14	558 Bytes	2026-8-2 19:30:39
AC	ALT_liuyuning	2ms	20.4 MiB	C++14	567 Bytes	2026-8-2 19:31:55
AC	ALT_guoshiyuan	2ms	20.4 MiB	C++14	802 Bytes	2026-8-2 19:22:34
AC	ALT_liusichen	2ms	20.4 MiB	C++14	702 Bytes	2026-8-3 17:42:26
AC	ALT_xizhanxuan	2ms	20.4 MiB	C++14	616 Bytes	2026-8-2 19:32:20
AC	ALT_zengzechuan	2ms	20.4 MiB	C++14	87 Bytes	2026-1-21 13:40:56
AC	ALT_wangyanran	2ms	20.4 MiB	C++14	96 Bytes	2026-1-30 15:55:50
AC	ALT_wangshuoran	2ms	20.4 MiB	C++14	616 Bytes	2026-1-17 11:01:25
AC	ALT_zhangyixiao	2ms	20.1 MiB	C++14	555 Bytes	2026-6-5 14:11:48