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| Name | Start time |
|---|---|
| International Olympiad in Informatics 2025 Day 1 (IOI 2025 Day 1) | 2025-08-24 06:11:20 |
| (China) National Olympiad in Informatics 2024 Day 2 | 2024-08-09 00:11:44 |
| (China) National Olympiad in Informatics 2024 Day 1 | 2024-08-03 00:05:53 |