| Ukrainian Olympiads in Informatics 2023, Stage IV, Day 1 | 2025-08-16 02:08:50 |
| European Junior Olympiad in Informatics 2024 Day 2 | 2025-08-15 04:54:57 |
| Central European Olympiad in Informatics 2025 Day 2 (CEOI 2025 Day 2) | 2025-08-15 03:56:45 |
| Russian Olympiad in Informatics 2023 Day 2 | 2025-08-14 21:06:15 |
| Russian Olympiad in Informatics 2017 Day 1 | 2025-08-14 06:02:24 |
| Central European Olympiad in Informatics 2025 Day 1 (CEOI 2025 Day 1) | 2025-08-14 03:52:02 |
| Korea IOI Team Selection Test (KOI TST) 2024, 1st Selection Contest | 2025-08-12 22:16:58 |
| Korea IOI Team Selection Test (KOI TST) 2023, 2nd Selection Contest | 2025-08-12 22:13:15 |
| Korea IOI Team Selection Test (KOI TST) 2025, 2nd Selection Contest | 2025-08-12 04:10:29 |
| Korea IOI Team Selection Test (KOI TST) 2025, 1st Selection Contest | 2025-08-12 04:04:05 |
| JOI Open Contest 2025 | 2025-07-10 19:59:53 |
| Ukrainian Olympiads in Informatics 2025, Stage IV, Day 1 | 2025-07-07 19:04:07 |
| Baltic Olympiad in Informatics 2025 Day 2 | 2025-06-30 15:10:00 |
| Baltic Olympiad in Informatics 2025 Day 1 | 2025-06-30 15:07:40 |
| Izborne Pripreme 2025 (Croatian IOI/CEOI Team Selection) Day 2 | 2025-06-30 14:07:39 |
| Izborne Pripreme 2025 (Croatian IOI/CEOI Team Selection) Day 1 | 2025-06-29 17:50:30 |
| Izborne Pripreme 2021 (Croatian IOI/CEOI Team Selection) Day 1 | 2025-05-26 21:45:27 |
| Nordic Olympiad in Informatics 2024 | 2025-05-26 21:23:57 |
| Romanian Master of Informatics 2024 Day 1 | 2025-04-22 21:41:39 |
| Nordic Olympiad in Informatics 2025 | 2025-04-18 21:10:29 |
| Nordic Olympiad in Informatics 2022 | 2025-04-18 20:46:20 |
| Nordic Olympiad in Informatics 2018 | 2025-04-17 20:22:13 |
