機器搬遷 ISCOJ 現已搬到全新主機上，立即體驗全新的評測速度！
807
n807
$\huge\boxed{學長對不起}$
| Tried and accepted (+contests): | 83 |
| Tried but in vain (+contests): | 0 |
| AC Ratio (-contests): | 86.7% (182/210) |
Signed up at: 2023-09-05 10:16:35
Last sign in: 2023-12-22 11:25:16
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