小括号问题

Status	Submit By	Time	Memory	Language	Code	Submit At
AC	admin	2ms	20.1 MiB	C++14	405 Bytes	2026-3-29 23:55:01
AC	ALT_zhouzihao	2ms	20.4 MiB	C++14	536 Bytes	2026-4-4 12:17:38
AC	ALT_zengzechuan	2ms	20.1 MiB	C++14	656 Bytes	2026-4-4 9:36:15
AC	ALT_liuboyang	2ms	20.1 MiB	C++14	310 Bytes	2026-4-2 22:08:28
AC	ALT_zhoumingzhe	2ms	20.4 MiB	C++14	490 Bytes	2026-4-3 22:34:11
AC	ALT_wangyilin	2ms	20.1 MiB	C++14	308 Bytes	2026-4-4 13:00:22
AC	ALT_wangshuoran	2ms	20.1 MiB	C++14	479 Bytes	2026-4-4 10:58:40
AC	ALT_wanghuaishen	2ms	20.4 MiB	C++14	315 Bytes	2026-4-3 23:04:29
AC	ALT_zushuoyuan	2ms	20.4 MiB	C++14	537 Bytes	2026-4-3 21:40:33
AC	ALT_minshengyan	2ms	20.4 MiB	C++14	432 Bytes	2026-4-4 19:35:00