| CCF CAT NAEC 2025 (Final) |
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→ Virtual participation
Virtual contest is a way to take part in past contest, as close as possible to participation on time. It is supported only ICPC mode for virtual contests.
If you've seen these problems, a virtual contest is not for you - solve these problems in the archive.
If you just want to solve some problem from a contest, a virtual contest is not for you - solve this problem in the archive.
Never use someone else's code, read the tutorials or communicate with other person during a virtual contest.
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→ Status filter
→ Contest materials
Contest status
| # | When | Who | Problem | Lang | Verdict | Time | Memory |
|---|---|---|---|---|---|---|---|
| 390993686 | Sep/17/2026 10:12 | czxqz5z | E - 简单的数据结构题 | C++20 (GCC 13-64) | Accepted | 2640 ms | 174200 KB |
| 390902657 | Sep/16/2026 11:41 | czxqz5z | E - 简单的数据结构题 | C++20 (GCC 13-64) | Time limit exceeded on test 2 | 5000 ms | 289100 KB |
| 390901376 | Sep/16/2026 11:25 | czxqz5z | E - 简单的数据结构题 | C++20 (GCC 13-64) | Wrong answer on test 2 | 3312 ms | 174200 KB |
| 390901211 | Sep/16/2026 11:22 | czxqz5z | E - 简单的数据结构题 | C++20 (GCC 13-64) | Runtime error on test 2 | 62 ms | 174200 KB |
| 390900888 | Sep/16/2026 11:19 | czxqz5z | E - 简单的数据结构题 | C++20 (GCC 13-64) | Accepted | 3406 ms | 80300 KB |
| 390885150 | Sep/16/2026 07:56 | czxqz5z | E - 简单的数据结构题 | C++20 (GCC 13-64) | Runtime error on test 2 | 46 ms | 174100 KB |
| 390884927 | Sep/16/2026 07:52 | czxqz5z | E - 简单的数据结构题 | C++20 (GCC 13-64) | Runtime error on test 2 | 31 ms | 174200 KB |
| 390884780 | Sep/16/2026 07:50 | czxqz5z | E - 简单的数据结构题 | C++20 (GCC 13-64) | Runtime error on test 2 | 46 ms | 174200 KB |
| 390884597 | Sep/16/2026 07:46 | czxqz5z | E - 简单的数据结构题 | C++20 (GCC 13-64) | Runtime error on test 2 | 46 ms | 330800 KB |
| 390884201 | Sep/16/2026 07:40 | czxqz5z | E - 简单的数据结构题 | C++20 (GCC 13-64) | Time limit exceeded on test 2 | 5000 ms | 330800 KB |
| 390879541 | Sep/16/2026 06:12 | czxqz5z | E - 简单的数据结构题 | C++20 (GCC 13-64) | Memory limit exceeded on test 1 | 31 ms | 524300 KB |
| 390877928 | Sep/16/2026 05:38 | czxqz5z | E - 简单的数据结构题 | C++20 (GCC 13-64) | Memory limit exceeded on test 1 | 31 ms | 524300 KB |
| 390877479 | Sep/16/2026 05:27 | czxqz5z | E - 简单的数据结构题 | C++20 (GCC 13-64) | Wrong answer on test 2 | 2718 ms | 330700 KB |
| 390877426 | Sep/16/2026 05:25 | czxqz5z | E - 简单的数据结构题 | C++20 (GCC 13-64) | Runtime error on test 2 | 46 ms | 166400 KB |
| 389064816 | Sep/01/2026 08:55 | Md._Nahid_Ullah_Joy | B - 进制变换 | C++17 (GCC 7-32) | Accepted | 765 ms | 100 KB |
| 389020232 | Aug/31/2026 19:30 | Md._Nahid_Ullah_Joy | A - 备用账号 | C++17 (GCC 7-32) | Accepted | 140 ms | 500 KB |
| 386140206 | Aug/07/2026 21:20 | pellucid | D - Fever Dash | C++23 (GCC 14-64, msys2) | Accepted | 359 ms | 39400 KB |
| 386010348 | Aug/07/2026 05:25 | pellucid | D - Fever Dash | C++23 (GCC 14-64, msys2) | Compilation error | 0 ms | 0 KB |
| 385928864 | Aug/06/2026 18:15 | pellucid | C - 或非 | C++23 (GCC 14-64, msys2) | Accepted | 78 ms | 100 KB |
| 385925083 | Aug/06/2026 18:10 | pellucid | C - 或非 | C++23 (GCC 14-64, msys2) | Wrong answer on test 1 | 15 ms | 0 KB |
| 385893328 | Aug/06/2026 16:42 | StevenHurry | A - 备用账号 | C++23 (GCC 14-64, msys2) | Accepted | 140 ms | 1700 KB |
| 385891108 | Aug/06/2026 16:27 | chenlan | D - Fever Dash | C++17 (GCC 7-32) | Wrong answer on test 1 | 15 ms | 0 KB |
| 385890517 | Aug/06/2026 16:23 | chenlan | C - 或非 | C++17 (GCC 7-32) | Accepted | 78 ms | 100 KB |
| 385889560 | Aug/06/2026 16:17 | chenlan | B - 进制变换 | C++17 (GCC 7-32) | Accepted | 265 ms | 100 KB |
| 385845545 | Aug/06/2026 10:05 | iiiYu | A - 备用账号 | C++17 (GCC 7-32) | Accepted | 125 ms | 0 KB |
| 385845308 | Aug/06/2026 10:03 | iiiYu | A - 备用账号 | C++17 (GCC 7-32) | Wrong answer on test 1 | 31 ms | 0 KB |
| 385838155 | Aug/06/2026 08:54 | chenlan | A - 备用账号 | C++17 (GCC 7-32) | Accepted | 62 ms | 500 KB |
| 385772212 | Aug/05/2026 17:52 | 66ccff90 | C - 或非 | C++17 (GCC 7-32) | Wrong answer on test 1 | 31 ms | 0 KB |
| 385771980 | Aug/05/2026 17:49 | 66ccff90 | C - 或非 | C++17 (GCC 7-32) | Wrong answer on test 1 | 31 ms | 0 KB |
| 385765377 | Aug/05/2026 16:53 | 66ccff90 | B - 进制变换 | C++17 (GCC 7-32) | Accepted | 734 ms | 100 KB |
| 385764006 | Aug/05/2026 16:41 | 66ccff90 | B - 进制变换 | C++17 (GCC 7-32) | Wrong answer on test 4 | 406 ms | 0 KB |
| 385762336 | Aug/05/2026 16:27 | pellucid | B - 进制变换 | C++23 (GCC 14-64, msys2) | Accepted | 171 ms | 100 KB |
| 385762158 | Aug/05/2026 16:25 | pellucid | B - 进制变换 | C++23 (GCC 14-64, msys2) | Wrong answer on test 1 | 0 ms | 0 KB |
| 385760731 | Aug/05/2026 16:13 | 66ccff90 | A - 备用账号 | C++17 (GCC 7-32) | Accepted | 281 ms | 100 KB |
| 385758691 | Aug/05/2026 15:54 | pellucid | B - 进制变换 | C++23 (GCC 14-64, msys2) | Wrong answer on test 3 | 31 ms | 100 KB |
| 385758268 | Aug/05/2026 15:50 | pellucid | B - 进制变换 | C++23 (GCC 14-64, msys2) | Wrong answer on test 1 | 15 ms | 0 KB |
| 385736880 | Aug/05/2026 12:08 | Anly | A - 备用账号 | C++17 (GCC 7-32) | Accepted | 125 ms | 100 KB |
| 385734713 | Aug/05/2026 11:44 | pikachu_vvip | C - 或非 | C++17 (GCC 7-32) | Wrong answer on test 1 | 31 ms | 0 KB |
| 385734232 | Aug/05/2026 11:39 | niao_v | E - 简单的数据结构题 | C++20 (GCC 13-64) | Accepted | 3687 ms | 252500 KB |
| 385733978 | Aug/05/2026 11:37 | Anly | A - 备用账号 | C++17 (GCC 7-32) | Time limit exceeded on test 18 | 2000 ms | 100 KB |
| 385733932 | Aug/05/2026 11:36 | niao_v | E - 简单的数据结构题 | C++20 (GCC 13-64) | Runtime error on test 2 | 93 ms | 252500 KB |
| 385733530 | Aug/05/2026 11:32 | Anly | A - 备用账号 | C++17 (GCC 7-32) | Time limit exceeded on test 18 | 2000 ms | 100 KB |
| 385733135 | Aug/05/2026 11:28 | Anly | A - 备用账号 | C++17 (GCC 7-32) | Wrong answer on test 1 | 15 ms | 0 KB |
| 385733056 | Aug/05/2026 11:27 | Anly | A - 备用账号 | C++17 (GCC 7-32) | Wrong answer on test 1 | 15 ms | 0 KB |
| 385732944 | Aug/05/2026 11:26 | Anly | A - 备用账号 | C++17 (GCC 7-32) | Wrong answer on test 1 | 15 ms | 0 KB |
| 385732470 | Aug/05/2026 11:21 | Anly | A - 备用账号 | C++17 (GCC 7-32) | Time limit exceeded on test 13 | 2000 ms | 100 KB |
| 385729230 | Aug/05/2026 10:45 | pellucid | A - 备用账号 | C++23 (GCC 14-64, msys2) | Accepted | 62 ms | 1400 KB |
| 385729141 | Aug/05/2026 10:44 | pellucid | A - 备用账号 | C++23 (GCC 14-64, msys2) | Runtime error on test 3 | 15 ms | 50900 KB |
| 385728964 | Aug/05/2026 10:42 | niao_v | E - 简单的数据结构题 | C++20 (GCC 13-64) | Memory limit exceeded on test 2 | 859 ms | 524300 KB |
| 385728780 | Aug/05/2026 10:40 | pellucid | A - 备用账号 | C++23 (GCC 14-64, msys2) | Memory limit exceeded on test 1 | 0 ms | 524300 KB |
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