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！
餘切
cot
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| Tried and accepted (+contests): | 102 |
| Tried but in vain (+contests): | 4 |
| AC Ratio (-contests): | 68.4% (1050/1534) |
Signed up at: 2023-09-05 19:14:06
Last sign in: 2025-08-07 20:50:18
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