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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.
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Want to solve the contest problems after the official contest ends? Just register for practice and you will be able to submit solutions.
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→ Contest materials
Contest status
| # | When | Who | Problem | Lang | Verdict | Time | Memory |
|---|---|---|---|---|---|---|---|
| 384852385 | Jul/30/2026 12:09 | SoiMae# | I - Black and White Segments | C++23 (GCC 14-64, msys2) | Wrong answer on test 3 | 30 ms | 800 KB |
| 384852282 | Jul/30/2026 12:08 | SoiMae# | G - Magicand Lottery | C++23 (GCC 14-64, msys2) | Time limit exceeded on test 10 | 2000 ms | 600 KB |
| 384852170 | Jul/30/2026 12:07 | SoiMae# | A - Circular Roads | C++23 (GCC 14-64, msys2) | Wrong answer on test 10 | 5874 ms | 0 KB |
| 384852119 | Jul/30/2026 12:07 | SoiMae# | I - Black and White Segments | C++23 (GCC 14-64, msys2) | Wrong answer on test 1 | 30 ms | 800 KB |
| 384852045 | Jul/30/2026 12:06 | SoiMae# | A - Circular Roads | C++23 (GCC 14-64, msys2) | Time limit exceeded on test 1 | 6000 ms | 0 KB |
| 384851941 | Jul/30/2026 12:05 | SoiMae# | A - Circular Roads | C++23 (GCC 14-64, msys2) | Wrong answer on test 10 | 3936 ms | 100 KB |
| 384851758 | Jul/30/2026 12:04 | SoiMae# | H - Move to Front | C++23 (GCC 14-64, msys2) | Time limit exceeded on test 12 | 4000 ms | 193000 KB |
| 384851511 | Jul/30/2026 12:02 | SoiMae# | G - Magicand Lottery | C++23 (GCC 14-64, msys2) | Wrong answer on test 9 | 62 ms | 200 KB |
| 384851132 | Jul/30/2026 11:59 | SoiMae# | G - Magicand Lottery | C++23 (GCC 14-64, msys2) | Wrong answer on test 1 | 30 ms | 100 KB |
| 384851017 | Jul/30/2026 11:58 | SoiMae# | H - Move to Front | C++23 (GCC 14-64, msys2) | Runtime error on test 9 | 92 ms | 31400 KB |
| 384850482 | Jul/30/2026 11:54 | SoiMae# | H - Move to Front | C++23 (GCC 14-64, msys2) | Time limit exceeded on test 9 | 4000 ms | 39900 KB |
| 384850177 | Jul/30/2026 11:51 | SoiMae# | G - Magicand Lottery | C++23 (GCC 14-64, msys2) | Wrong answer on test 9 | 62 ms | 200 KB |
| 384850059 | Jul/30/2026 11:50 | SoiMae# | H - Move to Front | C++23 (GCC 14-64, msys2) | Wrong answer on test 1 | 62 ms | 31300 KB |
| 384848575 | Jul/30/2026 11:41 | SoiMae# | A - Circular Roads | C++23 (GCC 14-64, msys2) | Wrong answer on test 4 | 30 ms | 0 KB |
| 384848464 | Jul/30/2026 11:40 | SoiMae# | H - Move to Front | C++23 (GCC 14-64, msys2) | Time limit exceeded on test 9 | 4000 ms | 38100 KB |
| 384848424 | Jul/30/2026 11:39 | SoiMae# | A - Circular Roads | C++23 (GCC 14-64, msys2) | Wrong answer on test 4 | 62 ms | 100 KB |
| 384848325 | Jul/30/2026 11:38 | SoiMae# | H - Move to Front | C++23 (GCC 14-64, msys2) | Accepted | 406 ms | 4800 KB |
| 384846941 | Jul/30/2026 11:27 | SoiMae# | D - Delta, Kappa, Lambda | C++23 (GCC 14-64, msys2) | Accepted | 92 ms | 100 KB |
| 384846367 | Jul/30/2026 11:21 | SoiMae# | A - Circular Roads | C++23 (GCC 14-64, msys2) | Accepted | 92 ms | 1800 KB |
| 384846315 | Jul/30/2026 11:21 | SoiMae# | A - Circular Roads | C++23 (GCC 14-64, msys2) | Time limit exceeded on test 20 | 6000 ms | 1800 KB |
| 384845773 | Jul/30/2026 11:15 | SoiMae# | A - Circular Roads | C++23 (GCC 14-64, msys2) | Wrong answer on test 1 | 0 ms | 1800 KB |
| 384845299 | Jul/30/2026 11:11 | SoiMae# | A - Circular Roads | C++23 (GCC 14-64, msys2) | Wrong answer on test 4 | 62 ms | 100 KB |
| 384845061 | Jul/30/2026 11:09 | SoiMae# | D - Delta, Kappa, Lambda | C++23 (GCC 14-64, msys2) | Wrong answer on test 2 | 62 ms | 100 KB |
| 384843028 | Jul/30/2026 10:55 | SoiMae# | G - Magicand Lottery | C++23 (GCC 14-64, msys2) | Accepted | 342 ms | 11500 KB |
| 384842406 | Jul/30/2026 10:48 | SoiMae# | G - Magicand Lottery | C++23 (GCC 14-64, msys2) | Wrong answer on test 2 | 30 ms | 19200 KB |
| 384842378 | Jul/30/2026 10:48 | SoiMae# | A - Circular Roads | C++23 (GCC 14-64, msys2) | Wrong answer on test 4 | 92 ms | 100 KB |
| 384842106 | Jul/30/2026 10:45 | SoiMae# | H - Move to Front | C++23 (GCC 14-64, msys2) | Accepted | 530 ms | 6300 KB |
| 384841172 | Jul/30/2026 10:36 | SoiMae# | G - Magicand Lottery | C++23 (GCC 14-64, msys2) | Time limit exceeded on test 10 | 2000 ms | 19000 KB |
| 384840210 | Jul/30/2026 10:26 | SoiMae# | G - Magicand Lottery | C++23 (GCC 14-64, msys2) | Accepted | 342 ms | 100 KB |
| 384840084 | Jul/30/2026 10:25 | SoiMae# | G - Magicand Lottery | C++23 (GCC 14-64, msys2) | Memory limit exceeded on test 1 | 92 ms | 262100 KB |
| 384839650 | Jul/30/2026 10:21 | SoiMae# | A - Circular Roads | C++23 (GCC 14-64, msys2) | Accepted | 92 ms | 100 KB |
| 377451079 | Jun/06/2026 07:20 | lyh3.14 | A - Circular Roads | C++23 (GCC 14-64, msys2) | Accepted | 500 ms | 100 KB |
| 377451030 | Jun/06/2026 07:20 | lyh3.14 | A - Circular Roads | C++23 (GCC 14-64, msys2) | Accepted | 500 ms | 100 KB |
| 377450977 | Jun/06/2026 07:19 | lyh3.14 | A - Circular Roads | C++23 (GCC 14-64, msys2) | Wrong answer on test 17 | 312 ms | 0 KB |
| 377450094 | Jun/06/2026 07:04 | lyh3.14 | A - Circular Roads | C++23 (GCC 14-64, msys2) | Wrong answer on test 3 | 92 ms | 0 KB |
| 377448346 | Jun/06/2026 06:35 | cdx123456 | A - Circular Roads | C++20 (GCC 13-64) | Accepted | 562 ms | 0 KB |
| 377448291 | Jun/06/2026 06:34 | cdx123456 | A - Circular Roads | C++20 (GCC 13-64) | Wrong answer on test 17 | 562 ms | 0 KB |
| 377448026 | Jun/06/2026 06:29 | cdx123456 | A - Circular Roads | C++20 (GCC 13-64) | Accepted | 562 ms | 0 KB |
| 377447988 | Jun/06/2026 06:29 | cdx123456 | A - Circular Roads | C++20 (GCC 13-64) | Wrong answer on test 17 | 530 ms | 0 KB |
| 377447840 | Jun/06/2026 06:26 | cdx123456 | A - Circular Roads | C++20 (GCC 13-64) | Wrong answer on test 19 | 562 ms | 0 KB |
| 377447810 | Jun/06/2026 06:25 | cdx123456 | A - Circular Roads | C++20 (GCC 13-64) | Accepted | 530 ms | 0 KB |
| 377447749 | Jun/06/2026 06:24 | cdx123456 | A - Circular Roads | C++20 (GCC 13-64) | Wrong answer on test 17 | 1062 ms | 0 KB |
| 377447656 | Jun/06/2026 06:23 | cdx123456 | A - Circular Roads | C++20 (GCC 13-64) | Wrong answer on test 17 | 124 ms | 0 KB |
| 377447621 | Jun/06/2026 06:22 | cdx123456 | A - Circular Roads | C++20 (GCC 13-64) | Wrong answer on test 3 | 92 ms | 0 KB |
| 377447595 | Jun/06/2026 06:22 | cdx123456 | A - Circular Roads | C++20 (GCC 13-64) | Wrong answer on test 3 | 62 ms | 0 KB |
| 377446998 | Jun/06/2026 06:09 | cdx123456 | A - Circular Roads | C++20 (GCC 13-64) | Wrong answer on test 5 | 780 ms | 0 KB |
| 377446882 | Jun/06/2026 06:07 | cdx123456 | A - Circular Roads | C++20 (GCC 13-64) | Accepted | 374 ms | 0 KB |
| 377446819 | Jun/06/2026 06:06 | cdx123456 | A - Circular Roads | C++20 (GCC 13-64) | Accepted | 592 ms | 0 KB |
| 377446613 | Jun/06/2026 06:02 | lyh3.14 | A - Circular Roads | C++23 (GCC 14-64, msys2) | Accepted | 92 ms | 0 KB |
| 377446329 | Jun/06/2026 05:56 | lyh3.14 | A - Circular Roads | C++23 (GCC 14-64, msys2) | Wrong answer on test 5 | 2468 ms | 0 KB |
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