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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 |
|---|---|---|---|---|---|---|---|
| 394379139 | Oct/13/2026 13:00 | chenwz | J - Jinxiety of a Polyomino | C++17 (GCC 7-32) | Accepted | 140 ms | 19400 KB |
| 394378977 | Oct/13/2026 12:59 | chenwz | I - Isomorphism | C++17 (GCC 7-32) | Accepted | 46 ms | 0 KB |
| 394378908 | Oct/13/2026 12:58 | chenwz | H - Higher Math Lesson | C++17 (GCC 7-32) | Accepted | 31 ms | 0 KB |
| 394378811 | Oct/13/2026 12:57 | chenwz | F - Four Colors | C++17 (GCC 7-32) | Accepted | 46 ms | 100 KB |
| 394378742 | Oct/13/2026 12:57 | chenwz | E - Elegant Square | C++17 (GCC 7-32) | Accepted | 46 ms | 0 KB |
| 394378676 | Oct/13/2026 12:56 | chenwz | C - Catalan Combinatorial Objects | C++17 (GCC 7-32) | Accepted | 31 ms | 0 KB |
| 394378600 | Oct/13/2026 12:55 | chenwz | B - Borderless Words | C++17 (GCC 7-32) | Accepted | 453 ms | 0 KB |
| 394378535 | Oct/13/2026 12:55 | chenwz | A - Ambitious Plan | C++17 (GCC 7-32) | Accepted | 656 ms | 0 KB |
| 383664714 | Jul/21/2026 09:58 | SoiMae | A - Ambitious Plan | C++23 (GCC 14-64, msys2) | Wrong answer on test 2 | 31 ms | 800 KB |
| 383664694 | Jul/21/2026 09:57 | SoiMae | E - Elegant Square | C++23 (GCC 14-64, msys2) | Wrong answer on test 1 | 15 ms | 800 KB |
| 383664673 | Jul/21/2026 09:57 | SoiMae | E - Elegant Square | C++23 (GCC 14-64, msys2) | Wrong answer on test 2 | 31 ms | 900 KB |
| 379790195 | Jun/22/2026 13:35 | SoiMae# | G - Greater Number Wins | C++23 (GCC 14-64, msys2) | Wrong answer on test 2 | 15 ms | 142800 KB |
| 379790045 | Jun/22/2026 13:33 | SoiMae# | G - Greater Number Wins | C++23 (GCC 14-64, msys2) | Wrong answer on test 2 | 15 ms | 800 KB |
| 379789881 | Jun/22/2026 13:31 | SoiMae# | G - Greater Number Wins | C++23 (GCC 14-64, msys2) | Wrong answer on test 1 | 15 ms | 800 KB |
| 379789361 | Jun/22/2026 13:26 | SoiMae# | G - Greater Number Wins | C++23 (GCC 14-64, msys2) | Wrong answer on test 2 | 203 ms | 142800 KB |
| 379789251 | Jun/22/2026 13:24 | SoiMae# | G - Greater Number Wins | C++23 (GCC 14-64, msys2) | Wrong answer on test 1 | 15 ms | 142800 KB |
| 379788652 | Jun/22/2026 13:18 | SoiMae# | F - Four Colors | C++23 (GCC 14-64, msys2) | Idleness limit exceeded on test 2 | 31 ms | 100 KB |
| 379787880 | Jun/22/2026 13:10 | SoiMae# | F - Four Colors | C++23 (GCC 14-64, msys2) | Accepted | 46 ms | 14900 KB |
| 379787360 | Jun/22/2026 13:05 | SoiMae# | J - Jinxiety of a Polyomino | C++23 (GCC 14-64, msys2) | Time limit exceeded on test 2 | 2000 ms | 3900 KB |
| 379787290 | Jun/22/2026 13:04 | SoiMae# | F - Four Colors | C++23 (GCC 14-64, msys2) | Time limit exceeded on test 1 | 2000 ms | 14900 KB |
| 379786962 | Jun/22/2026 13:00 | SoiMae# | F - Four Colors | C++23 (GCC 14-64, msys2) | Idleness limit exceeded on test 2 | 15 ms | 15700 KB |
| 379786257 | Jun/22/2026 12:53 | SoiMae# | F - Four Colors | C++23 (GCC 14-64, msys2) | Idleness limit exceeded on test 2 | 0 ms | 15700 KB |
| 379786104 | Jun/22/2026 12:52 | SoiMae# | D - Decomposable Single Word Languages | C++23 (GCC 14-64, msys2) | Accepted | 62 ms | 100 KB |
| 379785877 | Jun/22/2026 12:49 | SoiMae# | J - Jinxiety of a Polyomino | C++23 (GCC 14-64, msys2) | Time limit exceeded on test 2 | 2000 ms | 4000 KB |
| 379785842 | Jun/22/2026 12:49 | SoiMae# | G - Greater Number Wins | C++23 (GCC 14-64, msys2) | Time limit exceeded on test 2 | 2000 ms | 85300 KB |
| 379785008 | Jun/22/2026 12:41 | SoiMae# | D - Decomposable Single Word Languages | C++23 (GCC 14-64, msys2) | Wrong answer on test 10 | 46 ms | 100 KB |
| 379784864 | Jun/22/2026 12:40 | SoiMae# | D - Decomposable Single Word Languages | C++23 (GCC 14-64, msys2) | Wrong answer on test 1 | 15 ms | 0 KB |
| 379784739 | Jun/22/2026 12:38 | SoiMae# | D - Decomposable Single Word Languages | C++23 (GCC 14-64, msys2) | Compilation error | 0 ms | 0 KB |
| 379784716 | Jun/22/2026 12:38 | SoiMae# | G - Greater Number Wins | C++23 (GCC 14-64, msys2) | Time limit exceeded on test 2 | 2000 ms | 65700 KB |
| 379784260 | Jun/22/2026 12:34 | SoiMae# | G - Greater Number Wins | C++23 (GCC 14-64, msys2) | Wrong answer on test 1 | 0 ms | 42600 KB |
| 379783263 | Jun/22/2026 12:25 | SoiMae# | G - Greater Number Wins | C++23 (GCC 14-64, msys2) | Wrong answer on test 1 | 15 ms | 42600 KB |
| 379782857 | Jun/22/2026 12:21 | SoiMae# | F - Four Colors | C++23 (GCC 14-64, msys2) | Accepted | 46 ms | 100 KB |
| 379778995 | Jun/22/2026 11:46 | SoiMae# | J - Jinxiety of a Polyomino | C++23 (GCC 14-64, msys2) | Wrong answer on test 2 | 562 ms | 35500 KB |
| 379776926 | Jun/22/2026 11:27 | SoiMae# | J - Jinxiety of a Polyomino | C++23 (GCC 14-64, msys2) | Time limit exceeded on test 4 | 2000 ms | 35500 KB |
| 379776879 | Jun/22/2026 11:27 | SoiMae# | E - Elegant Square | C++23 (GCC 14-64, msys2) | Accepted | 62 ms | 32400 KB |
| 379776736 | Jun/22/2026 11:26 | SoiMae# | E - Elegant Square | C++23 (GCC 14-64, msys2) | Time limit exceeded on test 1 | 2000 ms | 411400 KB |
| 379776328 | Jun/22/2026 11:22 | SoiMae# | F - Four Colors | C++23 (GCC 14-64, msys2) | Accepted | 46 ms | 100 KB |
| 379776362 | Jun/22/2026 11:22 | SoiMae# | J - Jinxiety of a Polyomino | C++23 (GCC 14-64, msys2) | Wrong answer on test 2 | 421 ms | 35400 KB |
| 379775944 | Jun/22/2026 11:19 | SoiMae# | J - Jinxiety of a Polyomino | C++23 (GCC 14-64, msys2) | Wrong answer on test 2 | 296 ms | 35500 KB |
| 379775433 | Jun/22/2026 11:15 | SoiMae# | F - Four Colors | C++23 (GCC 14-64, msys2) | Time limit exceeded on test 5 | 2000 ms | 7400 KB |
| 379774393 | Jun/22/2026 11:05 | SoiMae# | F - Four Colors | C++23 (GCC 14-64, msys2) | Time limit exceeded on test 5 | 2000 ms | 6600 KB |
| 379774195 | Jun/22/2026 11:03 | SoiMae# | E - Elegant Square | C++23 (GCC 14-64, msys2) | Wrong answer on test 1 | 15 ms | 2000 KB |
| 379774103 | Jun/22/2026 11:02 | SoiMae# | E - Elegant Square | C++23 (GCC 14-64, msys2) | Compilation error | 0 ms | 0 KB |
| 379772256 | Jun/22/2026 10:45 | SoiMae# | E - Elegant Square | C++23 (GCC 14-64, msys2) | Accepted | 46 ms | 100 KB |
| 379772013 | Jun/22/2026 10:43 | SoiMae# | J - Jinxiety of a Polyomino | C++23 (GCC 14-64, msys2) | Wrong answer on test 2 | 453 ms | 35400 KB |
| 379771906 | Jun/22/2026 10:42 | SoiMae# | J - Jinxiety of a Polyomino | C++23 (GCC 14-64, msys2) | Time limit exceeded on test 4 | 2000 ms | 35500 KB |
| 379771830 | Jun/22/2026 10:42 | SoiMae# | E - Elegant Square | C++23 (GCC 14-64, msys2) | Wrong answer on test 2 | 46 ms | 100 KB |
| 379770627 | Jun/22/2026 10:31 | SoiMae# | J - Jinxiety of a Polyomino | C++23 (GCC 14-64, msys2) | Wrong answer on test 2 | 281 ms | 35500 KB |
| 379770038 | Jun/22/2026 10:25 | SoiMae# | E - Elegant Square | C++23 (GCC 14-64, msys2) | Wrong answer on test 1 | 15 ms | 900 KB |
| 379769119 | Jun/22/2026 10:17 | SoiMae# | E - Elegant Square | C++23 (GCC 14-64, msys2) | Wrong answer on test 1 | 15 ms | 900 KB |
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