| Baltic Olympiad in Informatics 2025 Day 2 | 2025-07-18 22:11:17 |
| Baltic Olympiad in Informatics 2025 Day 1 | 2025-07-13 00:00:59 |
| The 2025 ICPC North America Championship | 2025-06-19 21:01:08 |
| 2023 Canadian Computing Olympiad Day 2 | 2025-02-20 00:36:26 |
| 2023 Canadian Computing Olympiad Day 1 | 2025-02-18 00:15:06 |
| The 24th Japanese Olympiad in Informatics Final Round (JOI 2024/2025) | 2025-02-15 21:55:29 |
| International Olympiad in Informatics 2022 Day 1 (IOI 2022 Day 1) | 2024-08-28 14:45:02 |
| International Olympiad in Informatics 2020 Day 2 | 2024-08-25 18:39:38 |
| International Olympiad in Informatics 2020 Day 1 | 2024-08-24 22:31:19 |
| International Olympiad in Informatics 2017 Day 2 | 2024-08-21 20:11:21 |
| International Olympiad in Informatics 2017 Day 1 | 2024-08-19 07:41:03 |
| International Olympiad in Informatics 2018 Day 2 | 2024-08-16 19:27:03 |
| International Olympiad in Informatics 2018 Day 1 | 2024-08-12 19:20:55 |
| JOI Open Contest 2021 | 2024-07-30 18:10:05 |
| JOI Open Contest 2023 | 2024-07-16 16:05:34 |
| Baltic Olympiad in Informatics 2024 Day 2 | 2024-07-15 16:10:13 |
| Baltic Olympiad in Informatics 2024 Day 1 | 2024-07-11 16:45:00 |
| International Olympiad in Informatics 2023 Day 2 | 2024-01-20 23:00:01 |
| The 2023 ICPC East Central NA Regional Contest | 2023-11-06 21:35:15 |
| International Olympiad in Informatics 2023 Day 1 | 2023-08-31 22:51:25 |
| 2023 年广东省重点中学信息学邀请赛 (GDKOI 2023) 普及组 第一试 | 2023-04-23 20:55:52 |
