| (China) National Olympiad in Informatics 2021 Day 1 | 2025-02-28 11:13:17 |
| (China) National Olympiad in Informatics 2022 Day 2 | 2025-02-27 11:29:16 |
| (China) National Olympiad in Informatics 2022 Day 1 | 2025-02-26 11:12:44 |
| (China) National Olympiad in Informatics 2023 Day 2 | 2025-02-24 11:09:09 |
| (China) National Olympiad in Informatics 2023 Day 1 | 2025-02-19 11:15:36 |
| (China) National Olympiad in Informatics 2024 Day 2 | 2025-02-14 11:11:24 |
| (China) National Olympiad in Informatics 2024 Day 1 | 2025-02-12 11:45:11 |
| Baltic Olympiad in Informatics 2023 Day 2 | 2025-02-10 11:04:43 |
| International Olympiad in Informatics 2019 Day 2 | 2025-01-09 13:24:34 |
| International Olympiad in Informatics 2020 Day 1 | 2025-01-08 13:53:17 |
| The 22nd Japanese Olympiad in Informatics Spring Training Camp (JOISC 2022/2023) Day 4 | 2024-12-05 11:32:59 |
| International Olympiad in Informatics 2022 Day 2 | 2024-11-29 11:30:57 |
| The 17th Japanese Olympiad in Informatics Spring Training Camp (JOISC 2017/2018) Day 1 | 2024-11-27 16:37:00 |
| JOI Open Contest 2021 | 2024-11-26 11:17:37 |
| Baltic Olympiad in Informatics 2023 Day 1 | 2024-11-20 11:15:41 |
| International Olympiad in Informatics 2015 Day 1 | 2024-11-18 11:22:09 |
| USACO 2023 February Contest (Platinum) | 2024-11-14 11:18:52 |
| USACO 2022 US Open Contest (Platinum) | 2024-11-12 11:06:26 |
| USACO 2022 February Contest (Platinum) | 2024-11-07 11:25:58 |
| USACO 2022 January Contest (Platinum) | 2024-11-05 11:10:50 |
