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已解決的問題：共 160 道題
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嘗試過的問題：共 27 道題
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無Virtual Participations：共 11 场比赛
| Name | Start time |
|---|---|
| The 23rd Japanese Olympiad in Informatics Spring Training (JOIST 2023/2024) Day 1 | 2025-10-24 09:40:27 |
| The 16th Japanese Olympiad in Informatics Spring Training Camp (JOISC 2016/2017) Day 3 | 2025-10-18 14:11:12 |
| IOI 2025 Training Series #6 | 2025-10-11 13:09:54 |
| IOI 2025 Training Series #4 (less recommended; based on Chinese NOI 2025) | 2025-10-07 13:44:19 |
| The 24th Japanese Olympiad in Informatics Spring Training (JOIST 2024/2025) Day 4 | 2025-10-04 12:55:52 |
| IOI 2025 Training Series #3 | 2025-09-30 10:09:12 |
| The 23rd Japanese Olympiad in Informatics Spring Training (JOIST 2023/2024) Day 4 | 2025-09-27 10:51:20 |
| IOI 2025 Training Series #2 | 2025-09-26 09:03:02 |
| The 24th Japanese Olympiad in Informatics Spring Training (JOIST 2024/2025) Day 2 | 2025-09-20 11:02:26 |
| IOI 2025 Training Series #1 | 2025-09-13 14:10:36 |
| Asia-Pacific Informatics Olympiad 2022 (APIO 2022) | 2025-05-16 12:04:55 |