→ 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 |
|---|---|---|---|---|---|---|---|
| 358150376 | Jan/17/2026 00:42 | Nrmn-ali | F - Is this Fibonacci | PyPy 3-64 | Time limit exceeded on test 8 | 1000 ms | 11700 KB |
| 358149122 | Jan/17/2026 00:11 | VladShapovalov | A - Flips | C++17 (GCC 7-32) | Wrong answer on test 1 | 0 ms | 0 KB |
| 358134834 | Jan/16/2026 21:11 | rishab.acharjee12345 | A - Flips | C++20 (GCC 13-64) | Time limit exceeded on test 14 | 5000 ms | 100 KB |
| 358115401 | Jan/16/2026 19:06 | Otter_zz | H - Gray Rectangles | Python 2 | Compilation error | 0 ms | 0 KB |
| 358115167 | Jan/16/2026 19:05 | Otter_zz | H - Gray Rectangles | Python 2 | Runtime error on test 1 | 15 ms | 0 KB |
| 358114941 | Jan/16/2026 19:03 | Otter_zz | H - Gray Rectangles | Python 2 | Runtime error on test 1 | 15 ms | 0 KB |
| 358114700 | Jan/16/2026 19:02 | Otter_zz | H - Gray Rectangles | Python 2 | Runtime error on test 1 | 15 ms | 100 KB |
| 358114543 | Jan/16/2026 19:00 | Otter_zz | D - Gray Distances | Python 2 | Runtime error on test 1 | 46 ms | 0 KB |
| 358114392 | Jan/16/2026 18:59 | Otter_zz | H - Gray Rectangles | Python 2 | Runtime error on test 1 | 31 ms | 0 KB |
| 358112738 | Jan/16/2026 18:47 | ton | I - Coprime vertex cover | C++23 (GCC 14-64, msys2) | Wrong answer on test 2 | 1031 ms | 214700 KB |
| 358109709 | Jan/16/2026 18:22 | hjmzr | A - Flips | GNU C11 | Compilation error | 0 ms | 0 KB |
| 358105559 | Jan/16/2026 17:50 | sera78# | A - Flips | Python 3 | Wrong answer on test 1 | 31 ms | 400 KB |
| 358099898 | Jan/16/2026 17:04 | Rimi_03 | F - Is this Fibonacci | C++17 (GCC 7-32) | Wrong answer on test 12 | 46 ms | 100 KB |
| 358081193 | Jan/16/2026 14:45 | ycKlay11 | B - Tree permutations | GNU C11 | Compilation error | 0 ms | 0 KB |
| 358079790 | Jan/16/2026 14:31 | ycKlay11 | A - Flips | GNU C11 | Compilation error | 0 ms | 0 KB |
| 358074480 | Jan/16/2026 13:44 | ton | B - Tree permutations | C++23 (GCC 14-64, msys2) | Accepted | 46 ms | 100 KB |
| 358059062 | Jan/16/2026 11:18 | ton | I - Coprime vertex cover | C++23 (GCC 14-64, msys2) | Wrong answer on test 2 | 1921 ms | 220500 KB |
| 358058480 | Jan/16/2026 11:12 | wissam.hlayhel | F - Is this Fibonacci | Python 3 | Time limit exceeded on test 10 | 1000 ms | 2500 KB |
| 358058354 | Jan/16/2026 11:10 | Md._Nahid_Ullah_Joy | F - Is this Fibonacci | C++17 (GCC 7-32) | Accepted | 46 ms | 4000 KB |
| 358058311 | Jan/16/2026 11:10 | Md._Nahid_Ullah_Joy | F - Is this Fibonacci | C++17 (GCC 7-32) | Accepted | 46 ms | 7900 KB |
| 358058280 | Jan/16/2026 11:10 | Md._Nahid_Ullah_Joy | F - Is this Fibonacci | C++17 (GCC 7-32) | Wrong answer on test 1 | 31 ms | 7800 KB |
| 358058240 | Jan/16/2026 11:09 | Md._Nahid_Ullah_Joy | F - Is this Fibonacci | C++17 (GCC 7-32) | Wrong answer on test 4 | 46 ms | 7900 KB |
| 358058179 | Jan/16/2026 11:09 | Md._Nahid_Ullah_Joy | F - Is this Fibonacci | C++17 (GCC 7-32) | Wrong answer on test 4 | 31 ms | 100 KB |
| 358058094 | Jan/16/2026 11:08 | Md._Nahid_Ullah_Joy | F - Is this Fibonacci | C++17 (GCC 7-32) | Wrong answer on test 1 | 0 ms | 0 KB |
| 358055269 | Jan/16/2026 10:38 | ton | H - Gray Rectangles | C++23 (GCC 14-64, msys2) | Accepted | 703 ms | 0 KB |
| 358054846 | Jan/16/2026 10:33 | ton | H - Gray Rectangles | C++23 (GCC 14-64, msys2) | Wrong answer on test 3 | 31 ms | 0 KB |
| 358029835 | Jan/16/2026 05:43 | ton | F - Is this Fibonacci | C++23 (GCC 14-64, msys2) | Accepted | 109 ms | 0 KB |
| 358027510 | Jan/16/2026 04:53 | Lucifer_fallen | B - Tree permutations | C++17 (GCC 7-32) | Wrong answer on test 2 | 15 ms | 100 KB |
| 358016972 | Jan/15/2026 23:31 | hxh3864 | A - Flips | C++23 (GCC 14-64, msys2) | Wrong answer on test 2 | 93 ms | 0 KB |
| 358015551 | Jan/15/2026 23:10 | hxh3864 | A - Flips | C++23 (GCC 14-64, msys2) | Wrong answer on test 1 | 15 ms | 0 KB |
| 358014622 | Jan/15/2026 22:57 | hxh3864 | A - Flips | C++23 (GCC 14-64, msys2) | Wrong answer on test 16 | 4890 ms | 0 KB |
| 358010854 | Jan/15/2026 22:13 | hxh3864 | A - Flips | C++23 (GCC 14-64, msys2) | Wrong answer on test 1 | 31 ms | 0 KB |
| 358010446 | Jan/15/2026 22:09 | hxh3864 | A - Flips | C++23 (GCC 14-64, msys2) | Wrong answer on test 1 | 15 ms | 0 KB |
| 358006734 | Jan/15/2026 21:36 | hxh3864 | A - Flips | C++23 (GCC 14-64, msys2) | Wrong answer on test 1 | 15 ms | 0 KB |
| 358004391 | Jan/15/2026 21:21 | hxh3864 | A - Flips | C++23 (GCC 14-64, msys2) | Wrong answer on test 1 | 31 ms | 0 KB |
| 358003141 | Jan/15/2026 21:13 | hxh3864 | B - Tree permutations | C++23 (GCC 14-64, msys2) | Accepted | 46 ms | 0 KB |
| 358002934 | Jan/15/2026 21:11 | hxh3864 | A - Flips | C++23 (GCC 14-64, msys2) | Wrong answer on test 1 | 31 ms | 0 KB |
| 358002464 | Jan/15/2026 21:09 | hxh3864 | H - Gray Rectangles | C++23 (GCC 14-64, msys2) | Accepted | 62 ms | 0 KB |
| 358001305 | Jan/15/2026 21:01 | hxh3864 | F - Is this Fibonacci | C++23 (GCC 14-64, msys2) | Accepted | 46 ms | 0 KB |
| 358001249 | Jan/15/2026 21:01 | hxh3864 | A - Flips | C++23 (GCC 14-64, msys2) | Wrong answer on test 1 | 0 ms | 0 KB |
| 358000991 | Jan/15/2026 20:59 | hxh3864 | F - Is this Fibonacci | C++23 (GCC 14-64, msys2) | Time limit exceeded on test 9 | 1000 ms | 0 KB |
| 357998235 | Jan/15/2026 20:43 | ton | F - Is this Fibonacci | C++23 (GCC 14-64, msys2) | Wrong answer on test 6 | 31 ms | 0 KB |
| 357997808 | Jan/15/2026 20:40 | ton | F - Is this Fibonacci | C++23 (GCC 14-64, msys2) | Wrong answer on test 6 | 31 ms | 0 KB |
| 357985913 | Jan/15/2026 19:40 | Md._Nahid_Ullah_Joy | F - Is this Fibonacci | C++17 (GCC 7-32) | Wrong answer on test 3 | 46 ms | 7800 KB |
| 357984133 | Jan/15/2026 19:31 | Md._Nahid_Ullah_Joy | F - Is this Fibonacci | C++17 (GCC 7-32) | Wrong answer on test 3 | 31 ms | 7800 KB |
| 357983791 | Jan/15/2026 19:30 | Md._Nahid_Ullah_Joy | F - Is this Fibonacci | C++17 (GCC 7-32) | Wrong answer on test 3 | 46 ms | 3900 KB |
| 357983461 | Jan/15/2026 19:28 | Md._Nahid_Ullah_Joy | F - Is this Fibonacci | C++17 (GCC 7-32) | Wrong answer on test 3 | 46 ms | 3900 KB |
| 357982553 | Jan/15/2026 19:22 | Md._Nahid_Ullah_Joy | F - Is this Fibonacci | C++17 (GCC 7-32) | Wrong answer on test 3 | 46 ms | 1600 KB |
| 357982480 | Jan/15/2026 19:22 | Md._Nahid_Ullah_Joy | F - Is this Fibonacci | C++17 (GCC 7-32) | Wrong answer on test 3 | 31 ms | 1600 KB |
| 357982342 | Jan/15/2026 19:21 | Md._Nahid_Ullah_Joy | F - Is this Fibonacci | C++17 (GCC 7-32) | Wrong answer on test 3 | 46 ms | 0 KB |
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