有效的括号 - Problem Statistics - CodeFun2000

Status	Submit By	Time	Memory	Language	Code	Submit At
AC	j22KuHKgCC	1855ms	50.1 MiB	Java	724 Bytes	2026-4-7 18:50:46
AC	63liddbaiq	1864ms	49.5 MiB	Java	1 KiB	2026-4-9 22:02:41
AC	CodeFun572e15aa1b	1871ms	51.5 MiB	Java	967 Bytes	2026-3-25 16:20:43
AC	CodeFun29ed5ce1e3	1961ms	50 MiB	Java	1 KiB	2025-9-17 21:49:18
AC	明天不下鱼	2146ms	46.7 MiB	Java	830 Bytes	2025-3-19 14:24:50

ID: 2241
Time: 1000ms
Memory: 256MiB
Difficulty: 3
Tags: (None)
# Submissions: 2569
Accepted: 805
Uploaded By: TaZi