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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 |
|---|---|---|---|---|---|---|---|
| 370284257 | Apr/08/2026 16:34 | chenwz | A - Addictions | C++20 (GCC 13-64) | Accepted | 92 ms | 100 KB |
| 370270711 | Apr/08/2026 14:44 | chenwz | J - Truth | C++20 (GCC 13-64) | Wrong answer on test 1 | 62 ms | 100 KB |
| 370252676 | Apr/08/2026 11:52 | chenwz | J - Truth | C++20 (GCC 13-64) | Accepted | 92 ms | 100 KB |
| 370249708 | Apr/08/2026 11:26 | chenwz | F - Polymorphism | C++20 (GCC 13-64) | Accepted | 218 ms | 100 KB |
| 370249631 | Apr/08/2026 11:26 | chenwz | F - Polymorphism | C++20 (GCC 13-64) | Compilation error | 0 ms | 0 KB |
| 370076327 | Apr/07/2026 11:34 | chenwz | C - Decoding Martian Messages | C++20 (GCC 13-64) | Accepted | 342 ms | 2200 KB |
| 370076137 | Apr/07/2026 11:32 | chenwz | C - Decoding Martian Messages | C++20 (GCC 13-64) | Wrong answer on test 1 | 0 ms | 0 KB |
| 370071675 | Apr/07/2026 10:46 | chenwz | F - Polymorphism | C++20 (GCC 13-64) | Accepted | 92 ms | 100 KB |
| 370070962 | Apr/07/2026 10:39 | chenwz | E - Infinity Sect | C++20 (GCC 13-64) | Accepted | 92 ms | 25900 KB |
| 370070252 | Apr/07/2026 10:32 | chenwz | A - Addictions | C++20 (GCC 13-64) | Accepted | 92 ms | 100 KB |
| 370070064 | Apr/07/2026 10:31 | chenwz | A - Addictions | C++20 (GCC 13-64) | Wrong answer on test 1 | 30 ms | 0 KB |
| 370069081 | Apr/07/2026 10:21 | chenwz | C - Decoding Martian Messages | C++20 (GCC 13-64) | Accepted | 406 ms | 1400 KB |
| 370068454 | Apr/07/2026 10:15 | chenwz | J - Truth | C++20 (GCC 13-64) | Accepted | 92 ms | 100 KB |
| 370068385 | Apr/07/2026 10:14 | chenwz | J - Truth | C++20 (GCC 13-64) | Compilation error | 0 ms | 0 KB |
| 370058325 | Apr/07/2026 08:25 | chenwz | F - Polymorphism | C++20 (GCC 13-64) | Accepted | 124 ms | 100 KB |
| 370058243 | Apr/07/2026 08:23 | chenwz | E - Infinity Sect | C++20 (GCC 13-64) | Accepted | 500 ms | 1300 KB |
| 370058149 | Apr/07/2026 08:22 | chenwz | A - Addictions | C++20 (GCC 13-64) | Accepted | 124 ms | 1000 KB |
| 370058046 | Apr/07/2026 08:21 | chenwz | C - Decoding Martian Messages | C++20 (GCC 13-64) | Accepted | 312 ms | 100 KB |
| 370057939 | Apr/07/2026 08:20 | chenwz | J - Truth | C++20 (GCC 13-64) | Accepted | 92 ms | 100 KB |
| 369413019 | Apr/03/2026 06:47 | qwwqcy | J - Truth | C++20 (GCC 13-64) | Accepted | 92 ms | 100 KB |
| 369412947 | Apr/03/2026 06:46 | qwwqcy | F - Polymorphism | C++20 (GCC 13-64) | Accepted | 124 ms | 100 KB |
| 369412802 | Apr/03/2026 06:43 | qwwqcy | E - Infinity Sect | C++20 (GCC 13-64) | Accepted | 562 ms | 1300 KB |
| 369412588 | Apr/03/2026 06:39 | qwwqcy | C - Decoding Martian Messages | C++20 (GCC 13-64) | Accepted | 312 ms | 100 KB |
| 369412520 | Apr/03/2026 06:38 | qwwqcy | J - Truth | C++20 (GCC 13-64) | Accepted | 124 ms | 9100 KB |
| 369412483 | Apr/03/2026 06:38 | qwwqcy | F - Polymorphism | C++20 (GCC 13-64) | Accepted | 186 ms | 8000 KB |
| 369412387 | Apr/03/2026 06:36 | qwwqcy | E - Infinity Sect | C++20 (GCC 13-64) | Accepted | 374 ms | 100 KB |
| 369412275 | Apr/03/2026 06:34 | qwwqcy | C - Decoding Martian Messages | C++20 (GCC 13-64) | Compilation error | 0 ms | 0 KB |
| 369411826 | Apr/03/2026 06:27 | qwwqcy | C - Decoding Martian Messages | C++20 (GCC 13-64) | Compilation error | 0 ms | 0 KB |
| 369411698 | Apr/03/2026 06:24 | qwwqcy | A - Addictions | C++20 (GCC 13-64) | Accepted | 92 ms | 1000 KB |
| 349838314 | Nov/20/2025 14:51 | hobbycp | A - Addictions | C++17 (GCC 7-32) | Wrong answer on test 1 | 62 ms | 0 KB |
| 343706776 | Oct/14/2025 16:36 | Null_h | C - Decoding Martian Messages | C++23 (GCC 14-64, msys2) | Accepted | 248 ms | 25100 KB |
| 343706685 | Oct/14/2025 16:35 | Null_h | C - Decoding Martian Messages | C++23 (GCC 14-64, msys2) | Compilation error | 0 ms | 0 KB |
| 343706261 | Oct/14/2025 16:33 | Null_h | C - Decoding Martian Messages | C++23 (GCC 14-64, msys2) | Wrong answer on test 8 | 92 ms | 25100 KB |
| 343705774 | Oct/14/2025 16:30 | Null_h | C - Decoding Martian Messages | C++23 (GCC 14-64, msys2) | Wrong answer on test 10 | 124 ms | 16800 KB |
| 343703186 | Oct/14/2025 16:17 | Null_h | C - Decoding Martian Messages | C++23 (GCC 14-64, msys2) | Wrong answer on test 1 | 62 ms | 7500 KB |
| 343702908 | Oct/14/2025 16:15 | Null_h | C - Decoding Martian Messages | C++23 (GCC 14-64, msys2) | Wrong answer on test 1 | 62 ms | 7500 KB |
| 343700973 | Oct/14/2025 16:04 | Null_h | C - Decoding Martian Messages | C++23 (GCC 14-64, msys2) | Wrong answer on test 1 | 92 ms | 7400 KB |
| 343697863 | Oct/14/2025 15:45 | Null_h | C - Decoding Martian Messages | C++23 (GCC 14-64, msys2) | Wrong answer on test 1 | 122 ms | 4100 KB |
| 343696319 | Oct/14/2025 15:35 | Null_h | C - Decoding Martian Messages | C++23 (GCC 14-64, msys2) | Wrong answer on test 1 | 62 ms | 4100 KB |
| 343695704 | Oct/14/2025 15:32 | Null_h | C - Decoding Martian Messages | C++23 (GCC 14-64, msys2) | Wrong answer on test 1 | 92 ms | 4100 KB |
| 342146238 | Oct/06/2025 05:35 | rlc202204 | C - Decoding Martian Messages | C++20 (GCC 13-64) | Accepted | 592 ms | 3500 KB |
| 305827665 | Feb/12/2025 18:21 | vjudge.3 | C - Decoding Martian Messages | C++20 (GCC 13-64) | Accepted | 748 ms | 3900 KB |
| 305827510 | Feb/12/2025 18:20 | vjudge1 | C - Decoding Martian Messages | C++20 (GCC 13-64) | Accepted | 748 ms | 3900 KB |
| 305827452 | Feb/12/2025 18:19 | Donaldqian0712 | C - Decoding Martian Messages | C++20 (GCC 13-64) | Accepted | 684 ms | 3900 KB |
| 305120169 | Feb/09/2025 15:19 | vjudge.8 | C - Decoding Martian Messages | C++17 (GCC 7-32) | Accepted | 500 ms | 3700 KB |
| 305119969 | Feb/09/2025 15:18 | vjudge.3 | C - Decoding Martian Messages | C++17 (GCC 7-32) | Wrong answer on test 10 | 122 ms | 2700 KB |
| 305119361 | Feb/09/2025 15:13 | vjudge.9 | C - Decoding Martian Messages | C++17 (GCC 7-32) | Accepted | 186 ms | 3700 KB |
| 305116359 | Feb/09/2025 14:49 | vjudge.8 | C - Decoding Martian Messages | C++17 (GCC 7-32) | Wrong answer on test 1 | 60 ms | 2700 KB |
| 305116147 | Feb/09/2025 14:48 | vjudge.8 | C - Decoding Martian Messages | C++17 (GCC 7-32) | Memory limit exceeded on test 8 | 498 ms | 65500 KB |
| 305115863 | Feb/09/2025 14:45 | vjudge4 | C - Decoding Martian Messages | C++17 (GCC 7-32) | Time limit exceeded on test 8 | 1000 ms | 40700 KB |
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