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| Name | Start time |
|---|---|
| Central European Olympiad in Informatics 2020 Day 2 (CEOI 2020 Day 2) | 2025-09-22 11:52:06 |
| Central European Olympiad in Informatics 2025 Day 1 (CEOI 2025 Day 1) | 2025-09-17 11:16:18 |
| Central European Olympiad in Informatics 2024 Day 1 (CEOI 2024 Day 1) | 2025-09-17 10:13:05 |
| Central European Olympiad in Informatics 2022 Day 2 (CEOI 2022 Day 2) | 2025-09-16 11:47:50 |
| Central European Olympiad in Informatics 2021 Day 1 (CEOI 2021 Day 1) | 2025-09-11 15:21:06 |
| International Olympiad in Informatics 2023 Day 1 | 2025-07-24 18:54:34 |
| Baltic Olympiad in Informatics 2025 Day 2 | 2025-07-07 10:36:30 |
| Baltic Olympiad in Informatics 2025 Day 1 | 2025-07-06 10:35:42 |