| XXXI Olimpiada Informatyczna – III etap, Dzień pierwszy (POI 2023/2024 Stage 3, Day 1) | 2025-12-28 12:19:28 |
| (China) National Olympiad in Informatics 2021 Day 2 | 2025-12-27 12:16:50 |
| Central European Olympiad in Informatics 2024 Day 2 (CEOI 2024 Day 2) | 2025-12-26 12:20:59 |
| Central European Olympiad in Informatics 2021 Day 1 (CEOI 2021 Day 1) | 2025-12-25 12:18:27 |
| Asia-Pacific Informatics Olympiad 2019 (APIO 2019) | 2025-12-25 12:17:42 |
| Baltic Olympiad in Informatics 2021 Day 2 | 2025-12-24 12:26:41 |
| Baltic Olympiad in Informatics 2021 Day 1 | 2025-12-23 12:23:34 |
| (Singapore) National Olympiad in Informatics 2025 Final Contest | 2025-12-22 12:27:19 |
| XXXII Olimpiada Informatyczna – III etap, Dzień drugi (POI 2024 Stage 3, Day 2) | 2025-12-21 12:11:53 |
| XXXII Olimpiada Informatyczna – III etap, Dzień pierwszy (POI 2024 Stage 3, Day 1) | 2025-12-20 12:49:59 |
| Central European Olympiad in Informatics 2023 Day 2 (CEOI 2023 Day 2) | 2025-11-28 13:00:30 |
| Central European Olympiad in Informatics 2023 Day 1 (CEOI 2023 Day 1) | 2025-11-27 13:16:44 |
| Nordic Olympiad in Informatics 2024 | 2025-11-23 12:45:01 |
| Asia-Pacific Informatics Olympiad 2022 (APIO 2022) | 2025-05-06 15:20:16 |
| International Olympiad in Informatics 2020 Day 2 | 2025-04-01 14:05:37 |
| International Olympiad in Informatics 2020 Day 1 | 2025-03-31 13:11:10 |
| International Olympiad in Informatics 2022 Day 1 (IOI 2022 Day 1) | 2024-08-29 13:07:49 |
