| USACO 2025 January Contest (Platinum) | 2025-10-08 13:00:07 |
| JOI Open Contest 2020 | 2025-10-05 14:04:38 |
| 2024-2025 集训队互测 Round 1 (Oct 15, 2024) | 2025-10-04 18:50:51 |
| 2024-2025 集训队互测 Round 16 (Nov 19, 2024) | 2025-10-04 18:48:49 |
| IOI 2022 中国国家队选拔 第一试 (CTS 2022 Day 1) | 2025-09-28 12:00:04 |
| Nordic Olympiad in Informatics 2025 | 2025-09-28 11:00:01 |
| Balkan Olympiad in Informatics 2023 Day 2 | 2025-09-21 19:39:53 |
| IOI 2024 中国国家队选拔 第二试 (CTS 2024 Day 2) | 2025-09-21 14:47:11 |
| Central European Olympiad in Informatics 2025 Day 2 (CEOI 2025 Day 2) | 2025-09-17 16:43:09 |
| IOI 2024 中国国家队选拔 第一试 (CTS 2024 Day 1) | 2025-09-15 16:24:25 |
| Central European Olympiad in Informatics 2025 Day 1 (CEOI 2025 Day 1) | 2025-08-27 17:55:43 |
| Balkan Olympiad in Informatics 2023 Day 1 | 2025-08-16 17:30:00 |
| International Olympiad in Informatics 2025 Day 2 (IOI 2025 Day 2) | 2025-08-03 15:40:07 |
| International Olympiad in Informatics 2025 Day 1 (IOI 2025 Day 1) | 2025-08-01 19:30:05 |
| European Junior Olympiad in Informatics 2023 Day 2 | 2025-06-21 23:09:33 |
| IOI 2023 中国国家队选拔 第一试 (CTS 2023 Day 1) | 2025-06-07 12:21:08 |
