| XXVIII Olimpiada Informatyczna – III etap, Dzień pierwszy (POI 2020 Stage 3, Day 1) | 2025-08-16 08:24:07 |
| Central European Olympiad in Informatics 2025 Day 2 (CEOI 2025 Day 2) | 2025-08-13 10:31:04 |
| (China) National Olympiad in Informatics 2025 Day 2 | 2025-08-13 08:00:39 |
| (China) National Olympiad in Informatics 2025 Day 1 | 2025-08-12 17:44:49 |
| (China) National Olympiad in Informatics 2024 Day 1 | 2025-08-12 17:43:22 |
| Romanian Master of Informatics 2024 Day 2 | 2025-08-12 08:06:21 |
| Baltic Olympiad in Informatics 2021 Day 1 | 2025-08-11 10:17:42 |
| International Olympiad in Informatics 2017 Day 2 | 2025-08-06 08:11:00 |
| XXVII Olimpiada Informatyczna – I etap (POI 2019/2020 Stage 1) | 2025-08-06 08:08:19 |
| XXVII Olimpiada Informatyczna – Eliminacje do IOI, Dzień drugi (IOI 2020 Polish Team Selection, Day 2) | 2025-08-05 19:39:59 |
| (Singapore) National Olympiad in Informatics 2025 Final Contest | 2025-08-05 11:04:36 |
| Baltic Olympiad in Informatics 2025 Day 2 | 2025-08-05 11:03:34 |
| Central European Olympiad in Informatics 2023 Day 2 (CEOI 2023 Day 2) | 2025-08-04 11:03:30 |
| Central European Olympiad in Informatics 2023 Day 1 (CEOI 2023 Day 1) | 2025-08-04 08:10:56 |
| European Girls' Olympiad in Informatics 2024 Day 2 | 2025-08-01 17:42:42 |
| International Olympiad in Informatics 2018 Day 2 | 2025-08-01 13:43:54 |
| International Olympiad in Informatics 2020 Day 2 | 2025-08-01 08:38:53 |
| International Olympiad in Informatics 2025 Day 1 (IOI 2025 Day 1) | 2025-08-01 08:03:04 |
| XV International Zhautykov Olympiad on Informatics Day 1 (IZhO 2019 Day 1) | 2025-07-31 19:35:12 |
| XIX Open Olympiad in Informatics (OOI 2024/2025) Day 1 | 2025-07-31 11:46:14 |
