→ 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.
→ Practice?
Want to solve the contest problems after the official contest ends? Just register for practice and you will be able to submit solutions.
→ Status filter
→ Contest materials
Contest status
| # | When | Who | Problem | Lang | Verdict | Time | Memory |
|---|---|---|---|---|---|---|---|
| 395674520 | Oct/23/2026 12:15 | Botao_Xiong | D - Gray Distances | C++17 (GCC 7-32) | Accepted | 78 ms | 0 KB |
| 395673570 | Oct/23/2026 12:06 | Botao_Xiong | D - Gray Distances | C++17 (GCC 7-32) | Accepted | 93 ms | 0 KB |
| 395673148 | Oct/23/2026 12:03 | Botao_Xiong | D - Gray Distances | C++17 (GCC 7-32) | Wrong answer on test 3 | 15 ms | 0 KB |
| 389706133 | Sep/07/2026 07:21 | Kener_Castillo | H - Gray Rectangles | C++23 (GCC 14-64, msys2) | Accepted | 234 ms | 0 KB |
| 389705865 | Sep/07/2026 07:16 | Kener_Castillo | H - Gray Rectangles | C++23 (GCC 14-64, msys2) | Wrong answer on test 5 | 78 ms | 100 KB |
| 389699766 | Sep/07/2026 04:30 | Kener_Castillo | F - Is this Fibonacci | C++23 (GCC 14-64, msys2) | Accepted | 531 ms | 100 KB |
| 389699536 | Sep/07/2026 04:22 | Kener_Castillo | F - Is this Fibonacci | C++23 (GCC 14-64, msys2) | Wrong answer on test 6 | 15 ms | 100 KB |
| 389699486 | Sep/07/2026 04:20 | Kener_Castillo | F - Is this Fibonacci | C++23 (GCC 14-64, msys2) | Wrong answer on test 6 | 31 ms | 100 KB |
| 389699403 | Sep/07/2026 04:17 | Kener_Castillo | F - Is this Fibonacci | C++23 (GCC 14-64, msys2) | Wrong answer on test 6 | 15 ms | 0 KB |
| 387715069 | Aug/19/2026 20:42 | Kener_Castillo | F - Is this Fibonacci | C++23 (GCC 14-64, msys2) | Wrong answer on test 3 | 31 ms | 0 KB |
| 387714631 | Aug/19/2026 20:38 | Kener_Castillo | F - Is this Fibonacci | C++23 (GCC 14-64, msys2) | Wrong answer on test 3 | 31 ms | 0 KB |
| 386256254 | Aug/08/2026 22:22 | RayyanAyman | F - Is this Fibonacci | Java 21 | Time limit exceeded on test 10 | 1000 ms | 900 KB |
| 386255801 | Aug/08/2026 22:15 | flux_0o | F - Is this Fibonacci | Java 21 | Wrong answer on test 1 | 218 ms | 900 KB |
| 386255444 | Aug/08/2026 22:10 | flux_0o | F - Is this Fibonacci | Java 21 | Runtime error on test 6 | 218 ms | 400 KB |
| 386255148 | Aug/08/2026 22:05 | RayyanAyman | F - Is this Fibonacci | Java 21 | Runtime error on test 6 | 234 ms | 500 KB |
| 386254726 | Aug/08/2026 21:59 | flux_0o | F - Is this Fibonacci | Java 21 | Runtime error on test 6 | 234 ms | 600 KB |
| 384666775 | Jul/28/2026 20:22 | Al-Aref | A - Flips | C++23 (GCC 14-64, msys2) | Wrong answer on test 1 | 15 ms | 0 KB |
| 382774686 | Jul/15/2026 13:44 | zeb6666 | C - Control Areas | C++17 (GCC 7-32) | Time limit exceeded on test 2 | 3500 ms | 77300 KB |
| 382770038 | Jul/15/2026 12:59 | piantouqu | C - Control Areas | C++23 (GCC 14-64, msys2) | Accepted | 3171 ms | 77200 KB |
| 382763029 | Jul/15/2026 11:55 | LittleFoxFairy | C - Control Areas | C++23 (GCC 14-64, msys2) | Accepted | 1703 ms | 88700 KB |
| 380198311 | Jun/26/2026 11:52 | ValenciaTravis | C - Control Areas | C++17 (GCC 7-32) | Accepted | 1640 ms | 43000 KB |
| 380196509 | Jun/26/2026 11:30 | ValenciaTravis | C - Control Areas | C++17 (GCC 7-32) | Wrong answer on test 2 | 1171 ms | 30200 KB |
| 380154055 | Jun/25/2026 21:55 | ValenciaTravis | E - Production Line | C++17 (GCC 7-32) | Accepted | 1484 ms | 237100 KB |
| 380148102 | Jun/25/2026 20:52 | ValenciaTravis | J - Modular Transform | C++17 (GCC 7-32) | Accepted | 93 ms | 300 KB |
| 380143997 | Jun/25/2026 20:09 | ValenciaTravis | I - Coprime vertex cover | C++17 (GCC 7-32) | Accepted | 1671 ms | 218400 KB |
| 380134508 | Jun/25/2026 18:33 | ValenciaTravis | A - Flips | C++17 (GCC 7-32) | Accepted | 281 ms | 14700 KB |
| 380134385 | Jun/25/2026 18:31 | ValenciaTravis | A - Flips | C++17 (GCC 7-32) | Wrong answer on test 2 | 234 ms | 14500 KB |
| 380132483 | Jun/25/2026 18:12 | ValenciaTravis | G - Queries | C++17 (GCC 7-32) | Accepted | 2468 ms | 94000 KB |
| 380129973 | Jun/25/2026 17:48 | ValenciaTravis | G - Queries | C++17 (GCC 7-32) | Wrong answer on test 2 | 15 ms | 93900 KB |
| 380122225 | Jun/25/2026 16:26 | ValenciaTravis | B - Tree permutations | C++17 (GCC 7-32) | Accepted | 31 ms | 0 KB |
| 380115392 | Jun/25/2026 15:15 | ValenciaTravis | H - Gray Rectangles | C++17 (GCC 7-32) | Accepted | 46 ms | 0 KB |
| 380115228 | Jun/25/2026 15:13 | ValenciaTravis | H - Gray Rectangles | C++17 (GCC 7-32) | Wrong answer on test 3 | 15 ms | 0 KB |
| 380115080 | Jun/25/2026 15:12 | ValenciaTravis | H - Gray Rectangles | C++17 (GCC 7-32) | Wrong answer on test 3 | 31 ms | 0 KB |
| 380108596 | Jun/25/2026 14:06 | ValenciaTravis | F - Is this Fibonacci | PyPy 3-64 | Accepted | 78 ms | 11400 KB |
| 380015441 | Jun/24/2026 15:18 | MaxKon | H - Gray Rectangles | C++23 (GCC 14-64, msys2) | Time limit exceeded on test 3 | 1000 ms | 0 KB |
| 380013452 | Jun/24/2026 14:57 | MaxKon | H - Gray Rectangles | C++23 (GCC 14-64, msys2) | Time limit exceeded on test 3 | 1000 ms | 4100 KB |
| 380013398 | Jun/24/2026 14:56 | MaxKon | H - Gray Rectangles | C++23 (GCC 14-64, msys2) | Wrong answer on test 1 | 15 ms | 0 KB |
| 379340254 | Jun/18/2026 14:29 | Kon567890 | F - Is this Fibonacci | Python 3 | Time limit exceeded on test 8 | 1000 ms | 1700 KB |
| 379340178 | Jun/18/2026 14:29 | Kon567890 | F - Is this Fibonacci | PyPy 3-64 | Runtime error on test 8 | 609 ms | 8500 KB |
| 379338606 | Jun/18/2026 14:13 | MaxKon | F - Is this Fibonacci | PyPy 3-64 | Runtime error on test 8 | 62 ms | 2700 KB |
| 379338315 | Jun/18/2026 14:10 | MaxKon | F - Is this Fibonacci | C++23 (GCC 14-64, msys2) | Time limit exceeded on test 10 | 1000 ms | 0 KB |
| 379338043 | Jun/18/2026 14:08 | MaxKon | F - Is this Fibonacci | C++23 (GCC 14-64, msys2) | Time limit exceeded on test 7 | 1000 ms | 2500 KB |
| 379337463 | Jun/18/2026 14:02 | MaxKon | F - Is this Fibonacci | C++23 (GCC 14-64, msys2) | Wrong answer on test 6 | 31 ms | 0 KB |
| 379337408 | Jun/18/2026 14:01 | MaxKon | F - Is this Fibonacci | C++23 (GCC 14-64, msys2) | Wrong answer on test 6 | 15 ms | 0 KB |
| 379336511 | Jun/18/2026 13:53 | MaxKon | F - Is this Fibonacci | C++23 (GCC 14-64, msys2) | Time limit exceeded on test 10 | 1000 ms | 100 KB |
| 379336465 | Jun/18/2026 13:53 | MaxKon | F - Is this Fibonacci | C++23 (GCC 14-64, msys2) | Time limit exceeded on test 10 | 1000 ms | 0 KB |
| 379335844 | Jun/18/2026 13:47 | MaxKon | F - Is this Fibonacci | C++23 (GCC 14-64, msys2) | Wrong answer on test 6 | 31 ms | 0 KB |
| 379335376 | Jun/18/2026 13:43 | MaxKon | F - Is this Fibonacci | C++23 (GCC 14-64, msys2) | Time limit exceeded on test 10 | 1000 ms | 100 KB |
| 379335290 | Jun/18/2026 13:42 | MaxKon | F - Is this Fibonacci | C++23 (GCC 14-64, msys2) | Time limit exceeded on test 10 | 1000 ms | 0 KB |
| 379335004 | Jun/18/2026 13:39 | MaxKon | F - Is this Fibonacci | C++23 (GCC 14-64, msys2) | Time limit exceeded on test 10 | 1000 ms | 0 KB |
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