| IOI 2025 Training Series #6 | 2025-07-24 00:10:24 |
| IOI 2025 Training Series #5 (based on EGOI 2025) | 2025-07-23 00:10:23 |
| IOI 2025 Training Series #4 (less recommended; based on Chinese NOI 2025) | 2025-07-22 00:10:40 |
| International Olympiad in Informatics 2020 Day 2 | 2025-07-20 03:10:06 |
| International Olympiad in Informatics 2020 Day 1 | 2025-07-18 01:24:22 |
| International Olympiad in Informatics 2019 Day 2 | 2025-07-16 01:35:56 |
| International Olympiad in Informatics 2019 Day 1 | 2025-07-15 01:08:37 |
| International Olympiad in Informatics 2018 Day 2 | 2025-07-13 09:02:08 |
| IOI 2025 Training Series #1 | 2025-07-12 06:01:05 |
| International Olympiad in Informatics 2018 Day 1 | 2025-07-07 04:31:03 |
| International Olympiad in Informatics 2017 Day 2 | 2025-07-06 01:12:27 |
| International Olympiad in Informatics 2017 Day 1 | 2025-07-05 09:04:48 |
| International Olympiad in Informatics 2016 Day 2 | 2025-07-03 05:35:10 |
| Asia-Pacific Informatics Olympiad 2025 (APIO 2025) | 2025-06-28 04:13:32 |
| IOI 2025 国家集训队集训 Day 2 (CTT 2024 Day 2) | 2025-06-25 00:40:20 |
| The 24th Japanese Olympiad in Informatics Spring Training (JOIST 2024/2025) Day 4 | 2025-06-21 06:00:01 |
| IOI 2025 Egyptian Team Selection, Day 2 | 2025-06-09 08:46:48 |
| IOI 2025 Egyptian Team Selection, Day 1 | 2025-06-07 21:41:34 |
| X-Camp Group S Contest 14 (Div. B) | 2024-03-03 02:30:38 |
| X-Camp Group S Contest 13 (Div. A) | 2024-02-04 02:01:26 |
| X-Camp Group S Contest 12 (Div. A) | 2024-01-16 05:12:08 |
| X-Camp Group S Contest 11 (Div. B) | 2024-01-04 03:49:24 |
| X-Camp Group S Contest 10 (Div. A) | 2024-01-02 01:17:47 |
| X-Camp Group S Contest 9 (Div. B) | 2023-12-26 04:17:13 |
| X-Camp Group S Contest 8 (Div. A) | 2023-12-25 01:34:38 |
| X-Camp Group S Contest 7 (Div. A) | 2023-12-23 01:53:34 |
| X-Camp Group S Contest 6 (Div. A) | 2023-12-22 04:04:19 |
| X-Camp Group S Contest 5 (Div. B/C) | 2023-11-12 05:29:50 |
| X-Camp Group S Contest 4 (Div. A) | 2023-10-29 04:08:30 |
| X-Camp Group S Contest 3 (Div. A) | 2023-10-15 04:19:12 |
| X-Camp Group S - Contest 2 (Div. B) | 2023-10-10 04:01:58 |
| X-Camp Group S - Contest 1 (Div. A) | 2023-10-01 05:18:38 |
| IOI 2023 中国国家队集训@威海 Day 6 | 2023-08-20 05:05:15 |
| IOI 2023 中国国家队集训@威海 Day 5 | 2023-08-19 05:03:16 |
| IOI 2023 中国国家队集训@威海 Day 3 | 2023-08-18 05:04:14 |
| IOI 2023 中国国家队集训@威海 Day 2 | 2023-08-17 05:02:38 |
| (China) National Olympiad in Informatics 2023 Day 2 | 2023-08-12 05:13:48 |
| (China) National Olympiad in Informatics 2023 Day 1 | 2023-08-11 05:24:03 |
| APIO/IOI Training Contest 2 | 2023-06-12 01:19:15 |
| APIO/IOI Training Contest 1 | 2023-05-28 05:01:30 |
| NOI 2023 统一省选 Day 2 | 2023-05-15 01:30:38 |
| NOI 2023 统一省选 Day 1 | 2023-05-02 07:09:35 |
| 2023 年广东省重点中学信息学邀请赛 (GDKOI 2023) 提高组 第二试 | 2023-04-21 23:35:58 |
| 2023 年广东省重点中学信息学邀请赛 (GDKOI 2023) 提高组 第一试 | 2023-04-18 23:07:00 |
| 2023 年广东省重点中学信息学邀请赛 (GDKOI 2023) 普及组 第二试 | 2023-04-08 06:57:59 |
| 2023 年广东省重点中学信息学邀请赛 (GDKOI 2023) 普及组 第一试 | 2023-04-02 06:49:39 |
| Asia-Pacific Informatics Olympiad 2022 (APIO 2022) | 2022-06-12 03:02:17 |
