| (China) National Olympiad in Informatics 2023 Day 2 | 2025-07-01 15:26:26 |
| (China) National Olympiad in Informatics 2023 Day 1 | 2025-06-30 14:54:00 |
| (China) National Olympiad in Informatics 2022 Day 2 | 2025-06-26 15:06:48 |
| 2023-2024 集训队互测 Round 17 (Nov 30, 2023) | 2025-06-24 14:44:10 |
| 2023-2024 集训队互测 Round 16 (Nov 28, 2023) | 2025-06-23 13:17:26 |
| (China) National Olympiad in Informatics 2022 Day 1 | 2025-06-21 08:17:35 |
| 2023-2024 集训队互测 Round 15 (Nov 26, 2023) | 2025-06-19 13:43:21 |
| 2023-2024 集训队互测 Round 14 (Nov 25, 2023) | 2025-06-17 13:15:50 |
| 2023-2024 集训队互测 Round 13 (Nov 23, 2023) | 2025-06-13 14:23:28 |
| 2023-2024 集训队互测 Round 11 (Nov 19, 2023) | 2025-06-09 14:53:52 |
| (China) National Olympiad in Informatics 2021 Day 1 | 2025-06-02 09:48:11 |
| 2023-2024 集训队互测 Round 8 (Nov 12, 2023) | 2025-05-28 10:15:00 |
| 2023-2024 集训队互测 Round 7 (Nov 11, 2023) | 2025-05-27 13:25:59 |
| 2023-2024 集训队互测 Round 6 (Nov 9, 2023) | 2025-05-26 14:55:55 |
| 2023-2024 集训队互测 Round 5 (Nov 7, 2023) | 2025-05-25 15:25:02 |
| 2023-2024 集训队互测 Round 3 (Nov 4, 2023) | 2025-05-20 14:00:25 |
| 2022-2023 集训队互测 Round 14 (Nov 30, 2022) | 2025-05-14 07:32:25 |
| 2022-2023 集训队互测 Round 11 (Nov 22, 2022) | 2025-05-09 13:40:58 |
| 2022-2023 集训队互测 Round 10 (Nov 20, 2022) | 2025-05-07 13:29:06 |
| Asia-Pacific Informatics Olympiad 2024 (APIO 2024) | 2025-04-15 16:58:10 |
| (China) National Olympiad in Informatics 2020 Day 1 | 2025-03-13 13:23:23 |
| 2024 二十一省联合省队选拔 Day 1 | 2025-02-28 12:35:55 |
| 2022-2023 集训队互测 Round 8 (Nov 17, 2022) | 2025-02-25 13:33:50 |
| 2022-2023 集训队互测 Round 7 (Nov 13, 2022) | 2025-02-24 18:15:00 |
| 2022-2023 集训队互测 Round 2 (Nov 1, 2022) | 2025-02-18 14:30:14 |
| Public Round #15 | 2025-02-17 07:33:31 |
| 2024 二十一省联合省队选拔 Day 2 | 2025-02-13 12:58:01 |
| NOI 2023 统一省选 Day 2 | 2025-02-04 09:04:37 |
| NOI 2023 统一省选 Day 1 | 2025-02-01 09:47:42 |
| 2025 全国青少年信息学奥林匹克竞赛冬令营 (NOI Winter Camp 2025 / WC 2025) | 2025-01-25 12:07:19 |
| NOI 2021 统一省选 A 卷 Day 1 | 2024-12-23 07:39:04 |
| NOI 2020 统一省选 A 卷 Day 2 | 2024-12-17 07:33:40 |
| NOI 2020 统一省选 A 卷 Day 1 | 2024-12-16 07:46:07 |
| 2024-2025 集训队互测 Round 1 (Oct 15, 2024) | 2024-12-10 07:32:59 |
