| XXXI Olimpiada Informatyczna – III etap, Dzień pierwszy (POI 2023/2024 Stage 3, Day 1) | 2025-12-28 12:45:40 |
| (China) National Olympiad in Informatics 2021 Day 2 | 2025-12-27 12:32:23 |
| Central European Olympiad in Informatics 2024 Day 2 (CEOI 2024 Day 2) | 2025-12-26 12:18:37 |
| Central European Olympiad in Informatics 2021 Day 1 (CEOI 2021 Day 1) | 2025-12-25 12:24:10 |
| Baltic Olympiad in Informatics 2021 Day 2 | 2025-12-24 12:15:34 |
| Baltic Olympiad in Informatics 2021 Day 1 | 2025-12-23 12:21:20 |
| (Singapore) National Olympiad in Informatics 2025 Final Contest | 2025-12-22 12:22:31 |
| XXXII Olimpiada Informatyczna – III etap, Dzień drugi (POI 2024 Stage 3, Day 2) | 2025-12-21 12:11:00 |
| XXXII Olimpiada Informatyczna – III etap, Dzień pierwszy (POI 2024 Stage 3, Day 1) | 2025-12-20 12:50:42 |
| Central European Olympiad in Informatics 2023 Day 2 (CEOI 2023 Day 2) | 2025-11-28 13:00:05 |
| Central European Olympiad in Informatics 2023 Day 1 (CEOI 2023 Day 1) | 2025-11-27 13:00:07 |
| Nordic Olympiad in Informatics 2024 | 2025-11-23 12:32:41 |
| JOI Open Contest 2025 | 2025-11-05 17:22:28 |
| European Junior Olympiad in Informatics 2023 Day 1 | 2025-09-05 13:36:03 |
