| Central European Olympiad in Informatics 2018 Day 1 (CEOI 2018 Day 1) | 2025-09-23 16:12:40 |
| Central European Olympiad in Informatics 2020 Day 2 (CEOI 2020 Day 2) | 2025-09-22 12:55:57 |
| Central European Olympiad in Informatics 2020 Day 1 (CEOI 2020 Day 1) | 2025-09-19 13:15:47 |
| Central European Olympiad in Informatics 2025 Day 2 (CEOI 2025 Day 2) | 2025-09-18 13:01:54 |
| Central European Olympiad in Informatics 2025 Day 1 (CEOI 2025 Day 1) | 2025-09-17 11:02:58 |
| Central European Olympiad in Informatics 2024 Day 1 (CEOI 2024 Day 1) | 2025-09-17 10:36:04 |
| Central European Olympiad in Informatics 2022 Day 2 (CEOI 2022 Day 2) | 2025-09-16 10:48:38 |
| Central European Olympiad in Informatics 2022 Day 1 (CEOI 2022 Day 1) | 2025-09-12 12:46:39 |
| Central European Olympiad in Informatics 2021 Day 1 (CEOI 2021 Day 1) | 2025-09-11 17:11:21 |
| Balkan Olympiad in Informatics 2023 Day 2 | 2025-09-10 13:15:48 |
| Balkan Olympiad in Informatics 2023 Day 1 | 2025-09-09 11:35:36 |
| Russian Olympiad in Informatics 2023 Day 1 | 2025-08-29 14:13:26 |
| JOI Open Contest 2025 | 2025-07-08 10:46:58 |
| Baltic Olympiad in Informatics 2025 Day 2 | 2025-07-07 10:38:12 |
| Baltic Olympiad in Informatics 2025 Day 1 | 2025-07-06 10:36:41 |
