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| Name | Start time |
|---|---|
| Central European Olympiad in Informatics 2025 Day 2 (CEOI 2025 Day 2) | 2025-08-27 14:00:07 |
| Central European Olympiad in Informatics 2025 Day 1 (CEOI 2025 Day 1) | 2025-08-26 14:00:01 |
| International Olympiad in Informatics 2025 Day 2 (IOI 2025 Day 2) | 2025-08-03 06:55:14 |
| International Olympiad in Informatics 2025 Day 1 (IOI 2025 Day 1) | 2025-08-01 04:40:04 |
| European Girls' Olympiad in Informatics 2025 Day 1 (EGOI 2025 Day 1) | 2025-07-21 12:10:04 |
| IOI 2025 国家集训队集训 Day 1 (CTT 2024 Day 1) | 2025-07-11 12:13:31 |
| IOI 2025 中国国家队选拔 第二试 (CTS 2025 Day 2) | 2025-07-09 12:00:23 |
| IOI 2025 中国国家队选拔 第一试 (CTS 2025 Day 1) | 2025-07-08 11:59:40 |