| The 19th Japanese Olympiad in Informatics Spring Training Camp (JOISC 2019/2020) Day 3 | 2025-04-05 12:13:13 |
| International Olympiad in Informatics 2024 Day 1 | 2025-03-28 14:19:44 |
| The 19th Japanese Olympiad in Informatics Spring Training Camp (JOISC 2019/2020) Day 2 | 2025-03-27 13:13:05 |
| The 19th Japanese Olympiad in Informatics Spring Training Camp (JOISC 2019/2020) Day 1 | 2025-03-26 14:13:37 |
| The 20th Japanese Olympiad in Informatics Final Round (JOI 2020/2021) | 2025-03-05 11:40:41 |
| The 22nd Japanese Olympiad in Informatics Final Round (JOI 2022/2023) | 2025-03-04 12:11:39 |
| JOI Open Contest 2021 | 2025-02-27 11:34:53 |
| The 21st Japanese Olympiad in Informatics Spring Training Camp (JOISC 2021/2022) Day 4 | 2025-02-24 12:32:30 |
| The 21st Japanese Olympiad in Informatics Spring Training Camp (JOISC 2021/2022) Day 3 | 2025-02-21 13:17:00 |
| The 21st Japanese Olympiad in Informatics Spring Training Camp (JOISC 2021/2022) Day 2 | 2025-02-20 11:44:10 |
| The 23rd Japanese Olympiad in Informatics Spring Training (JOIST 2023/2024) Day 2 | 2025-02-19 12:40:39 |
| The 24th Japanese Olympiad in Informatics Final Round (JOI 2024/2025) | 2025-02-09 12:41:49 |
| The 2nd Universal Cup. Stage 14: Southeastern Europe | 2025-02-08 23:11:26 |
| The 21st Japanese Olympiad in Informatics Spring Training Camp (JOISC 2021/2022) Day 1 | 2025-01-30 22:06:19 |
| 2024 Canadian Computing Olympiad Day 1 | 2025-01-29 22:28:06 |
| Baltic Olympiad in Informatics 2024 Day 1 | 2025-01-03 14:07:27 |
| The 22nd Japanese Olympiad in Informatics Spring Training Camp (JOISC 2022/2023) Day 4 | 2024-12-30 22:00:35 |
| USACO 2021 December Contest (Platinum) | 2024-11-24 12:13:29 |
| International Olympiad in Informatics 2014 Day 2 | 2024-10-16 18:14:12 |
| JOI Open Contest 2020 | 2024-10-03 10:29:27 |
| The 22nd Japanese Olympiad in Informatics Spring Training Camp (JOISC 2022/2023) Day 2 | 2024-10-02 19:59:47 |
| The 22nd Japanese Olympiad in Informatics Spring Training Camp (JOISC 2022/2023) Day 3 | 2024-09-28 11:51:36 |
| USACO 2020 US Open Contest (Platinum) | 2024-08-31 12:00:12 |
| USACO 2021 US Open Contest (Platinum) | 2024-08-29 12:19:18 |
| Russian Olympiad in Informatics 2023 Day 1 | 2024-08-28 12:19:25 |
| Central European Olympiad in Informatics 2024 Day 2 | 2024-08-25 12:30:11 |
| Central European Olympiad in Informatics 2024 Day 1 | 2024-08-23 11:59:32 |
