有效括号字符串

Status	Submit By	Time	Memory	Language	Code	Submit At
AC	活泼的沙丘	25ms	7.6 MiB	C++	438 Bytes	2026-10-10 14:46:35
AC	97NQ4mh6Xs	26ms	6.8 MiB	C++14(O2)	594 Bytes	2026-10-8 10:21:59
AC	gDCka9E8wC	233ms	11.2 MiB	Python 3	803 Bytes	2026-10-12 0:19:04
AC	JK乐园	238ms	11.2 MiB	Python 3	713 Bytes	2026-9-30 21:24:32
AC	6n6gdiSoYb	239ms	11.2 MiB	Python 3	627 Bytes	2026-10-5 14:05:16
AC	好奇的月亮4941	240ms	11.2 MiB	Python 3	466 Bytes	2026-10-3 12:21:33
AC	G8OcFzZbRR	242ms	11.2 MiB	Python 3	593 Bytes	2026-10-10 12:46:42
AC	ArP1napi2F	242ms	11.2 MiB	Python 3	463 Bytes	2026-9-26 20:00:22
AC	y4xKJP1MEQ	243ms	11.2 MiB	Python 3	444 Bytes	2026-10-2 17:30:32
AC	WmNoZzHpTe	244ms	11.2 MiB	Python 3	713 Bytes	2026-10-9 16:40:24
AC	活泼的浪花	246ms	11.2 MiB	Python 3	326 Bytes	2026-10-3 22:59:59
AC	刹影-轩	251ms	11.2 MiB	Python 3	745 Bytes	2026-10-1 18:21:21
AC	Ad1JqgRSQS	253ms	11.2 MiB	Python 3	1 KiB	2026-10-6 20:37:50
AC	G1Rt4mC5uf	255ms	11.2 MiB	Python 3	677 Bytes	2026-10-5 21:27:59
AC	CodeFunc37a0dbd22	260ms	11.2 MiB	Python 3	494 Bytes	2026-10-6 13:13:32
AC	ySgXfzk9ge	260ms	11.2 MiB	Python 3	480 Bytes	2026-9-22 15:50:20
AC	必胜客	266ms	11.2 MiB	Python 3	830 Bytes	2026-10-4 21:16:16
AC	爱笑的小鹿9928	273ms	11.2 MiB	Python 3	748 Bytes	2026-10-7 0:04:23
AC	冷静的诗人4475	280ms	11.2 MiB	Python 3	926 Bytes	2026-10-7 18:55:33
AC	naCsBUWNEA	286ms	11.2 MiB	Python 3	485 Bytes	2026-10-7 20:27:20
AC	luti	666ms	41.6 MiB	Java	1.1 KiB	2026-9-15 11:47:33
AC	Tf2GOenUH7	1301ms	45.5 MiB	Java	952 Bytes	2026-9-28 13:36:11
AC	踏实的熊猫9599	1420ms	45.1 MiB	Java	691 Bytes	2026-10-8 14:25:20
AC	敏锐的船长3674	1484ms	45.3 MiB	Java	682 Bytes	2026-10-4 20:58:19