| JOI Open Contest 2023 | 2026-02-05 00:35:49 |
| Baltic Olympiad in Informatics 2017 Day 1 | 2026-02-02 22:23:53 |
| Baltic Olympiad in Informatics 2018 Day 1 | 2026-01-17 00:25:01 |
| Central European Olympiad in Informatics 2023 Day 1 (CEOI 2023 Day 1) | 2026-01-15 23:45:19 |
| Central European Olympiad in Informatics 2024 Day 1 (CEOI 2024 Day 1) | 2026-01-14 00:56:17 |
| JOI Open Contest 2025 | 2026-01-11 23:35:38 |
| Baltic Olympiad in Informatics 2019 Day 2 | 2025-12-24 23:03:58 |
| Baltic Olympiad in Informatics 2022 Day 2 | 2025-12-22 22:53:33 |
| JOI Open Contest 2024 | 2025-12-21 23:30:57 |
| Baltic Olympiad in Informatics 2022 Day 1 | 2025-12-21 00:40:50 |
| JOI Open Contest 2017 | 2025-12-16 23:59:07 |
| Baltic Olympiad in Informatics 2021 Day 2 | 2025-12-10 20:54:26 |
| Baltic Olympiad in Informatics 2021 Day 1 | 2025-11-20 01:46:06 |
| Baltic Olympiad in Informatics 2023 Day 2 | 2025-11-17 23:14:34 |
| JOI Open Contest 2021 | 2025-11-06 02:09:16 |
| Asia-Pacific Informatics Olympiad 2023 (APIO 2023) | 2025-11-04 00:52:49 |
| Asia-Pacific Informatics Olympiad 2025 (APIO 2025) | 2025-11-03 00:02:34 |
| JOI Open Contest 2022 | 2025-11-02 18:45:57 |
