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| Name | Start time |
|---|---|
| The 23rd Japanese Olympiad in Informatics Spring Training (JOIST 2023/2024) Day 2 | 2025-06-08 18:44:09 |
| International Olympiad in Informatics 2017 Day 1 | 2025-06-05 16:31:16 |
| International Olympiad in Informatics 2018 Day 2 | 2025-05-22 17:17:31 |
| Asia-Pacific Informatics Olympiad 2017 (APIO 2017) | 2025-05-10 16:16:06 |