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Andrew Stankevich — Gold and Silver Medalist of ACM-ICPC, associate professor in Saint Petersburg University ITMO, SPb NRU ITMO teams coach, that became ACM-ICPC World Champions for 5 times. His contests have been used in Summer and Winter Petrozavodsk Camps since 2003. The contests are considered to be among the most interesting and well-prepared contests used at this international training camp. Contests materials are distributed under Creative Commons 4.0 Attribution license.
→ 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 |
|---|---|---|---|---|---|---|---|
| 377446104 | Jun/06/2026 05:50 | lyh3.14 | A - Circular Roads | C++23 (GCC 14-64, msys2) | Wrong answer on test 5 | 530 ms | 0 KB |
| 377446065 | Jun/06/2026 05:49 | lyh3.14 | A - Circular Roads | C++23 (GCC 14-64, msys2) | Time limit exceeded on test 1 | 6000 ms | 0 KB |
| 377445556 | Jun/06/2026 05:36 | lyh3.14 | A - Circular Roads | C++23 (GCC 14-64, msys2) | Wrong answer on test 3 | 2656 ms | 0 KB |
| 377445453 | Jun/06/2026 05:34 | lyh3.14 | A - Circular Roads | C++23 (GCC 14-64, msys2) | Time limit exceeded on test 1 | 6000 ms | 0 KB |
| 377445426 | Jun/06/2026 05:33 | lyh3.14 | A - Circular Roads | C++23 (GCC 14-64, msys2) | Time limit exceeded on test 1 | 6000 ms | 0 KB |
| 377445369 | Jun/06/2026 05:32 | lyh3.14 | A - Circular Roads | C++23 (GCC 14-64, msys2) | Time limit exceeded on test 1 | 6000 ms | 0 KB |
| 377445354 | Jun/06/2026 05:32 | lyh3.14 | A - Circular Roads | C++23 (GCC 14-64, msys2) | Time limit exceeded on test 1 | 6000 ms | 0 KB |
| 377445338 | Jun/06/2026 05:31 | lyh3.14 | A - Circular Roads | C++23 (GCC 14-64, msys2) | Wrong answer on test 3 | 2656 ms | 0 KB |
| 377445321 | Jun/06/2026 05:31 | lyh3.14 | A - Circular Roads | C++23 (GCC 14-64, msys2) | Wrong answer on test 1 | 1874 ms | 0 KB |
| 377445216 | Jun/06/2026 05:28 | lyh3.14 | A - Circular Roads | C++23 (GCC 14-64, msys2) | Wrong answer on test 2 | 562 ms | 0 KB |
| 377445201 | Jun/06/2026 05:28 | lyh3.14 | A - Circular Roads | C++23 (GCC 14-64, msys2) | Wrong answer on test 1 | 374 ms | 0 KB |
| 377222363 | Jun/04/2026 05:28 | Hangyu2011 | A - Circular Roads | C++17 (GCC 7-32) | Accepted | 62 ms | 100 KB |
| 377222312 | Jun/04/2026 05:27 | Hangyu2011 | A - Circular Roads | C++17 (GCC 7-32) | Accepted | 92 ms | 0 KB |
| 377222303 | Jun/04/2026 05:27 | Hangyu2011 | A - Circular Roads | C++17 (GCC 7-32) | Accepted | 1750 ms | 100 KB |
| 377222213 | Jun/04/2026 05:24 | Hangyu2011 | A - Circular Roads | C++17 (GCC 7-32) | Wrong answer on test 4 | 468 ms | 0 KB |
| 377222151 | Jun/04/2026 05:23 | Hangyu2011 | A - Circular Roads | C++17 (GCC 7-32) | Wrong answer on test 4 | 562 ms | 0 KB |
| 377222083 | Jun/04/2026 05:22 | Hangyu2011 | A - Circular Roads | C++17 (GCC 7-32) | Wrong answer on test 4 | 62 ms | 0 KB |
| 374487645 | May/14/2026 13:17 | MohammadPouya_Payandeh | H - Move to Front | C++20 (GCC 13-64) | Accepted | 2968 ms | 11800 KB |
| 374487562 | May/14/2026 13:16 | MohammadPouya_Payandeh | H - Move to Front | C++20 (GCC 13-64) | Wrong answer on test 2 | 62 ms | 11700 KB |
| 374487394 | May/14/2026 13:15 | MohammadPouya_Payandeh | H - Move to Front | C++20 (GCC 13-64) | Accepted | 3906 ms | 11800 KB |
| 374484601 | May/14/2026 12:46 | MohammadPouya_Payandeh | H - Move to Front | C++20 (GCC 13-64) | Wrong answer on test 2 | 0 ms | 11800 KB |
| 371854231 | Apr/20/2026 13:20 | chenwz | B - Coffin Factory | C++20 (GCC 13-64) | Accepted | 62 ms | 0 KB |
| 371853331 | Apr/20/2026 13:08 | chenwz | J - Separable Divisions | PyPy 3-64 | Accepted | 186 ms | 2300 KB |
| 371853038 | Apr/20/2026 13:04 | chenwz | J - Separable Divisions | PyPy 3-64 | Accepted | 156 ms | 2100 KB |
| 371846760 | Apr/20/2026 11:40 | chenwz | F - Locally Linked Sequences | C++20 (GCC 13-64) | Accepted | 156 ms | 13600 KB |
| 371846703 | Apr/20/2026 11:39 | chenwz | F - Locally Linked Sequences | C++20 (GCC 13-64) | Runtime error on test 14 | 92 ms | 0 KB |
| 371846591 | Apr/20/2026 11:38 | chenwz | F - Locally Linked Sequences | C++20 (GCC 13-64) | Wrong answer on test 1 | 30 ms | 0 KB |
| 371846278 | Apr/20/2026 11:34 | chenwz | F - Locally Linked Sequences | C++20 (GCC 13-64) | Accepted | 124 ms | 17400 KB |
| 371842951 | Apr/20/2026 10:49 | chenwz | F - Locally Linked Sequences | C++20 (GCC 13-64) | Accepted | 124 ms | 17400 KB |
| 371842287 | Apr/20/2026 10:39 | chenwz | I - Black and White Segments | C++20 (GCC 13-64) | Accepted | 124 ms | 300 KB |
| 371841742 | Apr/20/2026 10:31 | chenwz | I - Black and White Segments | C++20 (GCC 13-64) | Accepted | 124 ms | 200 KB |
| 371841485 | Apr/20/2026 10:27 | chenwz | I - Black and White Segments | C++20 (GCC 13-64) | Memory limit exceeded on test 29 | 656 ms | 262100 KB |
| 371841359 | Apr/20/2026 10:25 | chenwz | I - Black and White Segments | C++20 (GCC 13-64) | Memory limit exceeded on test 29 | 280 ms | 262100 KB |
| 371834021 | Apr/20/2026 08:41 | chenwz | I - Black and White Segments | C++20 (GCC 13-64) | Wrong answer on test 16 | 92 ms | 0 KB |
| 371834002 | Apr/20/2026 08:40 | chenwz | I - Black and White Segments | C++20 (GCC 13-64) | Compilation error | 0 ms | 0 KB |
| 371830471 | Apr/20/2026 07:33 | chenwz | G - Magicand Lottery | PyPy 3-64 | Accepted | 280 ms | 4900 KB |
| 371830303 | Apr/20/2026 07:30 | chenwz | G - Magicand Lottery | PyPy 3-64 | Runtime error on test 1 | 92 ms | 2900 KB |
| 371830285 | Apr/20/2026 07:30 | chenwz | G - Magicand Lottery | C++20 (GCC 13-64) | Compilation error | 0 ms | 0 KB |
| 371828973 | Apr/20/2026 07:00 | chenwz | H - Move to Front | C++20 (GCC 13-64) | Accepted | 2624 ms | 1400 KB |
| 371828845 | Apr/20/2026 06:58 | chenwz | B - Coffin Factory | C++20 (GCC 13-64) | Accepted | 62 ms | 100 KB |
| 371828831 | Apr/20/2026 06:57 | chenwz | J - Separable Divisions | C++20 (GCC 13-64) | Accepted | 62 ms | 100 KB |
| 371828820 | Apr/20/2026 06:57 | chenwz | F - Locally Linked Sequences | C++20 (GCC 13-64) | Accepted | 92 ms | 17400 KB |
| 371828799 | Apr/20/2026 06:57 | chenwz | I - Black and White Segments | C++20 (GCC 13-64) | Accepted | 342 ms | 1700 KB |
| 371828778 | Apr/20/2026 06:56 | chenwz | D - Delta, Kappa, Lambda | C++20 (GCC 13-64) | Accepted | 92 ms | 100 KB |
| 371828755 | Apr/20/2026 06:55 | chenwz | H - Move to Front | C++20 (GCC 13-64) | Wrong answer on test 11 | 250 ms | 1200 KB |
| 371828730 | Apr/20/2026 06:55 | chenwz | G - Magicand Lottery | C++20 (GCC 13-64) | Accepted | 124 ms | 200 KB |
| 371178607 | Apr/14/2026 22:37 | qwwqcy | H - Move to Front | C++20 (GCC 13-64) | Accepted | 406 ms | 2000 KB |
| 371178504 | Apr/14/2026 22:35 | qwwqcy | H - Move to Front | C++20 (GCC 13-64) | Accepted | 500 ms | 2000 KB |
| 371178454 | Apr/14/2026 22:34 | qwwqcy | G - Magicand Lottery | C++20 (GCC 13-64) | Accepted | 124 ms | 0 KB |
| 371178249 | Apr/14/2026 22:31 | qwwqcy | G - Magicand Lottery | C++20 (GCC 13-64) | Accepted | 92 ms | 100 KB |
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