| Central European Olympiad in Informatics 2019 Day 1 (CEOI 2019 Day 1) | 2025-07-22 12:23:55 |
| International Olympiad in Informatics 2015 Day 2 | 2025-07-18 13:30:44 |
| International Olympiad in Informatics 2015 Day 1 | 2025-07-17 18:10:15 |
| International Olympiad in Informatics 2018 Day 2 | 2025-07-03 03:51:24 |
| International Olympiad in Informatics 2018 Day 1 | 2025-07-02 22:49:27 |
| International Olympiad in Informatics 2020 Day 2 | 2025-06-27 13:06:49 |
| International Olympiad in Informatics 2017 Day 2 | 2025-06-24 16:16:33 |
| International Olympiad in Informatics 2017 Day 1 | 2025-06-21 16:15:33 |
| Central European Olympiad in Informatics 2021 Day 1 (CEOI 2021 Day 1) | 2025-06-21 01:44:17 |
| International Olympiad in Informatics 2019 Day 2 | 2025-06-19 12:00:58 |
| International Olympiad in Informatics 2024 Day 1 | 2025-06-19 03:25:53 |
| International Olympiad in Informatics 2019 Day 1 | 2025-06-18 12:11:53 |
| Baltic Olympiad in Informatics 2017 Day 1 | 2025-06-18 12:10:28 |
| The 24th Japanese Olympiad in Informatics Spring Training (JOIST 2024/2025) Day 1 | 2025-06-05 12:02:52 |
| JOI Open Contest 2022 | 2025-02-05 15:27:15 |
| International Olympiad in Informatics 2020 Day 1 | 2024-08-22 16:35:42 |
| International Olympiad in Informatics 2021 Day 2 | 2024-08-21 16:33:50 |
| International Olympiad in Informatics 2021 Day 1 | 2024-08-19 17:40:35 |
