| Croatian Olympiad in Informatics 2025 | 2026-01-20 17:30:24 |
| USACO 2026 First Contest (Platinum) | 2026-01-19 19:23:51 |
| IOI 2025 中国国家队选拔 第一试 (CTS 2025 Day 1) | 2026-01-17 11:01:17 |
| USACO 2023 US Open Contest (Platinum) | 2026-01-16 17:41:25 |
| IOI 2024 国家集训队集训 Day 1 (CTT 2023 Day 1) | 2026-01-13 17:00:48 |
| Baltic Olympiad in Informatics 2023 Day 2 | 2026-01-12 18:43:46 |
| USACO 2021 December Contest (Platinum) | 2026-01-12 14:04:35 |
| USACO 2022 February Contest (Platinum) | 2026-01-11 18:45:05 |
| International Olympiad in Informatics 2017 Day 1 | 2026-01-11 09:30:02 |
| USACO 2023 February Contest (Platinum) | 2026-01-09 15:41:18 |
| IOI 2025 中国国家队选拔 第二试 (CTS 2025 Day 2) | 2026-01-08 15:33:36 |
| USACO 2023 January Contest (Platinum) | 2026-01-08 08:09:04 |
| IOI 2023 中国国家队选拔 第二试 (CTS 2023 Day 2) | 2026-01-07 18:04:56 |
| 2023-2024 集训队互测 Round 1 (Oct 28, 2023) | 2026-01-07 08:18:39 |
| (China) National Olympiad in Informatics 2020 Day 1 | 2026-01-04 21:45:36 |
| Romanian Master of Informatics 2025 Day 1 | 2026-01-04 10:29:03 |
| The 23rd Japanese Olympiad in Informatics Spring Training (JOIST 2023/2024) Day 2 | 2026-01-03 12:15:40 |
| IOI 2026 国家集训队集中培训 Day 3 (CTT 2025 Day 3) | 2026-01-01 12:29:26 |
| 2024 四川省代表队选拔赛 (SCOI 2024) Day 1 | 2026-01-01 12:03:50 |
| XXXI Olimpiada Informatyczna – III etap, Dzień drugi (POI 2023/2024 Stage 3, Day 2) | 2025-12-30 23:00:35 |
| European Junior Olympiad in Informatics 2025 Day 2 | 2025-12-25 19:33:08 |
| European Junior Olympiad in Informatics 2025 Day 1 | 2025-12-25 18:57:56 |
| XXXI Olimpiada Informatyczna – III etap, Dzień pierwszy (POI 2023/2024 Stage 3, Day 1) | 2025-12-21 11:12:38 |
| XXXII Olimpiada Informatyczna – III etap, Dzień drugi (POI 2024 Stage 3, Day 2) | 2025-12-20 16:29:44 |
| XXXII Olimpiada Informatyczna – III etap, Dzień pierwszy (POI 2024 Stage 3, Day 1) | 2025-12-19 13:29:58 |
| XXXII Olimpiada Informatyczna – III etap, Dzień próbna (POI 2024 Stage 3, Trial Day) | 2025-12-18 18:11:33 |
| Izborne Pripreme 2025 (Croatian IOI/CEOI Team Selection) Day 2 | 2025-12-17 18:17:41 |
| Asia-Pacific Informatics Olympiad 2023 (APIO 2023) | 2025-12-14 16:42:37 |
| USACO 2022 December Contest (Platinum) | 2025-12-13 18:33:21 |
| IOI 2026 国家集训队集中培训 Day 2 (CTT 2025 Day 2) | 2025-12-13 11:21:20 |
| USACO 2024 US Open Contest (Platinum) | 2025-12-10 16:44:12 |
| USACO 2024 February Contest (Platinum) | 2025-12-09 15:26:36 |
| USACO 2023 December Contest (Platinum) | 2025-12-08 18:47:43 |
| IOI 2026 国家集训队集中培训 Day 1 (CTT 2025 Day 1) | 2025-12-07 15:51:41 |
| USACO 2025 February Contest (Platinum) | 2025-12-04 15:31:05 |
| Romanian Master of Informatics 2024 Day 2 | 2025-11-26 17:48:57 |
| Romanian Master of Informatics 2024 Day 1 | 2025-11-25 22:21:26 |
| IOI 2026 中国国家集训队互测 Round 3 | 2025-11-24 03:02:20 |
| 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 |
