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| Name | Start time |
|---|---|
| (China) National Olympiad in Informatics 2017 Day 1 | 2025-06-30 19:34:18 |
| (China) National Olympiad in Informatics 2023 Day 1 | 2025-06-28 14:25:28 |
| Asia-Pacific Informatics Olympiad 2023 (APIO 2023) | 2025-05-10 09:39:17 |
| National Olympiad in Informatics in Provinces 2024 (NOIP 2024) | 2025-05-08 18:38:26 |
| Asia-Pacific Informatics Olympiad 2024 (APIO 2024) | 2025-05-06 14:05:40 |