→ 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 |
|---|---|---|---|---|---|---|---|
| 370799414 | Apr/12/2026 12:14 | Shiv0 | B - Card Pairs | C++23 (GCC 14-64, msys2) | Wrong answer on test 1 | 15 ms | 0 KB |
| 370689923 | Apr/11/2026 18:37 | Benq | G - Knight Polygon | C++23 (GCC 14-64, msys2) | Accepted | 46 ms | 100 KB |
| 370689178 | Apr/11/2026 18:31 | Benq | L - Two Squares | C++23 (GCC 14-64, msys2) | Accepted | 109 ms | 100 KB |
| 370688119 | Apr/11/2026 18:23 | Benq | B - Card Pairs | C++23 (GCC 14-64, msys2) | Accepted | 93 ms | 0 KB |
| 370612936 | Apr/11/2026 04:53 | Benq | M - LIS On Tree | C++23 (GCC 14-64, msys2) | Accepted | 2031 ms | 91300 KB |
| 370612914 | Apr/11/2026 04:52 | Benq | M - LIS On Tree | C++23 (GCC 14-64, msys2) | Compilation error | 0 ms | 0 KB |
| 370612450 | Apr/11/2026 04:39 | Benq | D - Hungry Arachnid | C++23 (GCC 14-64, msys2) | Accepted | 171 ms | 16400 KB |
| 370611915 | Apr/11/2026 04:23 | Benq | I - Domino Swap | C++23 (GCC 14-64, msys2) | Accepted | 62 ms | 100 KB |
| 370611247 | Apr/11/2026 04:06 | Benq | K - Tree With One Edge | C++23 (GCC 14-64, msys2) | Accepted | 93 ms | 100 KB |
| 370610819 | Apr/11/2026 03:54 | Benq | F - Bitwise Triangles | C++23 (GCC 14-64, msys2) | Accepted | 62 ms | 100 KB |
| 363408178 | Feb/17/2026 17:24 | Meguhine | B - Card Pairs | PyPy 3-64 | Accepted | 296 ms | 36300 KB |
| 363408090 | Feb/17/2026 17:23 | Meguhine | B - Card Pairs | C++20 (GCC 13-64) | Compilation error | 0 ms | 0 KB |
| 362200158 | Feb/10/2026 04:48 | rohitb0125 | H - Illuminated Lights II | C++23 (GCC 14-64, msys2) | Accepted | 78 ms | 100 KB |
| 362199941 | Feb/10/2026 04:43 | rohitb0125 | H - Illuminated Lights II | C++23 (GCC 14-64, msys2) | Runtime error on test 1 | 31 ms | 0 KB |
| 362198819 | Feb/10/2026 04:12 | rohitb0125 | C - End-Balanced Subarrays | C++23 (GCC 14-64, msys2) | Accepted | 500 ms | 25700 KB |
| 362198777 | Feb/10/2026 04:11 | rohitb0125 | C - End-Balanced Subarrays | C++23 (GCC 14-64, msys2) | Wrong answer on test 1 | 15 ms | 0 KB |
| 362198733 | Feb/10/2026 04:10 | rohitb0125 | C - End-Balanced Subarrays | C++23 (GCC 14-64, msys2) | Wrong answer on test 1 | 0 ms | 0 KB |
| 362198657 | Feb/10/2026 04:08 | rohitb0125 | C - End-Balanced Subarrays | C++23 (GCC 14-64, msys2) | Wrong answer on test 1 | 15 ms | 0 KB |
| 360678264 | Jan/30/2026 11:26 | Karuna | M - LIS On Tree | C++20 (GCC 13-64) | Accepted | 1937 ms | 171800 KB |
| 360677035 | Jan/30/2026 11:14 | Karuna | M - LIS On Tree | C++20 (GCC 13-64) | Wrong answer on test 2 | 78 ms | 35600 KB |
| 360676649 | Jan/30/2026 11:11 | Karuna | M - LIS On Tree | C++20 (GCC 13-64) | Wrong answer on test 2 | 93 ms | 35600 KB |
| 360441136 | Jan/29/2026 11:46 | Karuna# | G - Knight Polygon | C++20 (GCC 13-64) | Accepted | 46 ms | 100 KB |
| 360439293 | Jan/29/2026 11:28 | Karuna# | D - Hungry Arachnid | C++20 (GCC 13-64) | Accepted | 187 ms | 31800 KB |
| 360438698 | Jan/29/2026 11:23 | Karuna# | B - Card Pairs | C++20 (GCC 13-64) | Accepted | 93 ms | 100 KB |
| 360437001 | Jan/29/2026 11:08 | Karuna# | D - Hungry Arachnid | C++20 (GCC 13-64) | Wrong answer on test 2 | 46 ms | 23800 KB |
| 360436411 | Jan/29/2026 11:02 | Karuna# | D - Hungry Arachnid | C++20 (GCC 13-64) | Wrong answer on test 2 | 46 ms | 23800 KB |
| 360434593 | Jan/29/2026 10:46 | Karuna# | D - Hungry Arachnid | C++20 (GCC 13-64) | Wrong answer on test 2 | 46 ms | 23800 KB |
| 360432373 | Jan/29/2026 10:24 | Karuna# | K - Tree With One Edge | C++20 (GCC 13-64) | Accepted | 156 ms | 48800 KB |
| 360430186 | Jan/29/2026 10:04 | Karuna# | L - Two Squares | C++20 (GCC 13-64) | Accepted | 109 ms | 100 KB |
| 360429642 | Jan/29/2026 09:59 | Karuna# | N - String Split | C++20 (GCC 13-64) | Accepted | 46 ms | 100 KB |
| 360429318 | Jan/29/2026 09:57 | Karuna# | N - String Split | C++20 (GCC 13-64) | Runtime error on test 2 | 328 ms | 258800 KB |
| 360429020 | Jan/29/2026 09:54 | Karuna# | L - Two Squares | C++20 (GCC 13-64) | Wrong answer on test 3 | 15 ms | 0 KB |
| 360428213 | Jan/29/2026 09:46 | Karuna# | L - Two Squares | C++20 (GCC 13-64) | Wrong answer on test 3 | 31 ms | 0 KB |
| 360426597 | Jan/29/2026 09:32 | Karuna# | J - Ambiguous Permutations | C++20 (GCC 13-64) | Accepted | 140 ms | 7500 KB |
| 360423881 | Jan/29/2026 09:07 | Karuna# | J - Ambiguous Permutations | C++20 (GCC 13-64) | Wrong answer on test 5 | 93 ms | 100 KB |
| 360422699 | Jan/29/2026 08:57 | Karuna# | I - Domino Swap | C++20 (GCC 13-64) | Accepted | 93 ms | 700 KB |
| 360422406 | Jan/29/2026 08:54 | Karuna# | I - Domino Swap | C++20 (GCC 13-64) | Wrong answer on test 1 | 15 ms | 0 KB |
| 360422007 | Jan/29/2026 08:51 | Karuna# | I - Domino Swap | C++20 (GCC 13-64) | Wrong answer on test 1 | 15 ms | 0 KB |
| 360421769 | Jan/29/2026 08:48 | Karuna# | I - Domino Swap | C++20 (GCC 13-64) | Wrong answer on test 7 | 328 ms | 47000 KB |
| 360421573 | Jan/29/2026 08:47 | Karuna# | I - Domino Swap | C++20 (GCC 13-64) | Wrong answer on test 1 | 15 ms | 0 KB |
| 360420441 | Jan/29/2026 08:36 | Karuna# | H - Illuminated Lights II | C++20 (GCC 13-64) | Accepted | 46 ms | 100 KB |
| 360418973 | Jan/29/2026 08:21 | Karuna# | F - Bitwise Triangles | C++20 (GCC 13-64) | Accepted | 62 ms | 100 KB |
| 360418912 | Jan/29/2026 08:21 | Karuna# | F - Bitwise Triangles | C++20 (GCC 13-64) | Wrong answer on test 1 | 0 ms | 100 KB |
| 360415436 | Jan/29/2026 07:41 | Karuna# | E - Combination Lock | C++20 (GCC 13-64) | Accepted | 62 ms | 100 KB |
| 360414724 | Jan/29/2026 07:32 | Karuna# | C - End-Balanced Subarrays | C++20 (GCC 13-64) | Accepted | 203 ms | 25700 KB |
| 360413878 | Jan/29/2026 07:21 | Karuna# | B - Card Pairs | C++20 (GCC 13-64) | Wrong answer on test 3 | 46 ms | 100 KB |
| 360413294 | Jan/29/2026 07:14 | Karuna# | A - Anti-Closed Subsequences | C++20 (GCC 13-64) | Accepted | 46 ms | 0 KB |
| 355844597 | Dec/30/2025 11:09 | halerouya | B - Card Pairs | C++23 (GCC 14-64, msys2) | Accepted | 421 ms | 0 KB |
| 355843792 | Dec/30/2025 11:01 | halerouya | B - Card Pairs | C++23 (GCC 14-64, msys2) | Wrong answer on test 2 | 312 ms | 0 KB |
| 353015702 | Dec/11/2025 17:32 | Sadman_Hafiz096 | A - Anti-Closed Subsequences | C++23 (GCC 14-64, msys2) | Accepted | 46 ms | 100 KB |
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