→ About Contest
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 |
|---|---|---|---|---|---|---|---|
| 370051482 | Apr/07/2026 06:28 | chenwz | H - TEX Assistant | C++20 (GCC 13-64) | Accepted | 62 ms | 100 KB |
| 370048837 | Apr/07/2026 05:33 | chenwz | E - Compact Relations Encoding | C++20 (GCC 13-64) | Accepted | 92 ms | 100 KB |
| 369990066 | Apr/06/2026 17:29 | chenwz | F - Peaceful Rooks | C++20 (GCC 13-64) | Accepted | 92 ms | 300 KB |
| 369990006 | Apr/06/2026 17:29 | chenwz | H - TEX Assistant | C++20 (GCC 13-64) | Accepted | 92 ms | 100 KB |
| 369989733 | Apr/06/2026 17:26 | chenwz | F - Peaceful Rooks | C++20 (GCC 13-64) | Compilation error | 0 ms | 0 KB |
| 369988863 | Apr/06/2026 17:20 | chenwz | E - Compact Relations Encoding | C++20 (GCC 13-64) | Accepted | 92 ms | 100 KB |
| 369988453 | Apr/06/2026 17:17 | chenwz | D - Puzzle Championship | C++20 (GCC 13-64) | Accepted | 92 ms | 100 KB |
| 369988142 | Apr/06/2026 17:15 | chenwz | A - Brackets Subsequences | C++20 (GCC 13-64) | Accepted | 124 ms | 2300 KB |
| 369956349 | Apr/06/2026 12:25 | chenwz | H - TEX Assistant | C++20 (GCC 13-64) | Accepted | 92 ms | 100 KB |
| 369955565 | Apr/06/2026 12:16 | chenwz | H - TEX Assistant | C++20 (GCC 13-64) | Wrong answer on test 2 | 30 ms | 0 KB |
| 369955453 | Apr/06/2026 12:15 | chenwz | F - Peaceful Rooks | C++20 (GCC 13-64) | Accepted | 92 ms | 300 KB |
| 369955286 | Apr/06/2026 12:14 | chenwz | E - Compact Relations Encoding | C++20 (GCC 13-64) | Accepted | 250 ms | 100 KB |
| 369955200 | Apr/06/2026 12:13 | chenwz | D - Puzzle Championship | C++20 (GCC 13-64) | Accepted | 62 ms | 0 KB |
| 369945494 | Apr/06/2026 10:29 | chenwz | A - Brackets Subsequences | C++20 (GCC 13-64) | Accepted | 124 ms | 30500 KB |
| 369411659 | Apr/03/2026 06:24 | qwwqcy | F - Peaceful Rooks | C++20 (GCC 13-64) | Accepted | 92 ms | 300 KB |
| 369411412 | Apr/03/2026 06:20 | qwwqcy | F - Peaceful Rooks | C++20 (GCC 13-64) | Accepted | 62 ms | 200 KB |
| 369411243 | Apr/03/2026 06:17 | qwwqcy | E - Compact Relations Encoding | C++20 (GCC 13-64) | Accepted | 250 ms | 100 KB |
| 369410977 | Apr/03/2026 06:11 | qwwqcy | A - Brackets Subsequences | C++20 (GCC 13-64) | Accepted | 92 ms | 30500 KB |
| 369410905 | Apr/03/2026 06:10 | qwwqcy | A - Brackets Subsequences | C++20 (GCC 13-64) | Accepted | 124 ms | 24100 KB |
| 369410806 | Apr/03/2026 06:08 | qwwqcy | D - Puzzle Championship | C++20 (GCC 13-64) | Accepted | 92 ms | 0 KB |
| 369410755 | Apr/03/2026 06:07 | qwwqcy | D - Puzzle Championship | C++20 (GCC 13-64) | Accepted | 62 ms | 0 KB |
| 369410595 | Apr/03/2026 06:04 | qwwqcy | H - TEX Assistant | C++20 (GCC 13-64) | Accepted | 124 ms | 100 KB |
| 369410437 | Apr/03/2026 06:01 | qwwqcy | H - TEX Assistant | C++20 (GCC 13-64) | Wrong answer on test 1 | 30 ms | 0 KB |
| 353279800 | Dec/13/2025 09:39 | hobbycp | C - Forbidden Subwords | C++23 (GCC 14-64, msys2) | Wrong answer on test 1 | 0 ms | 1100 KB |
| 350814249 | Nov/27/2025 09:33 | hobbycp | B - Deadlock | C++17 (GCC 7-32) | Wrong answer on test 13 | 92 ms | 0 KB |
| 350809583 | Nov/27/2025 08:49 | hobbycp | B - Deadlock | C++17 (GCC 7-32) | Compilation error | 0 ms | 0 KB |
| 350725803 | Nov/26/2025 14:35 | hobbycp | B - Deadlock | C++17 (GCC 7-32) | Wrong answer on test 13 | 122 ms | 0 KB |
| 350696123 | Nov/26/2025 10:04 | hobbycp | B - Deadlock | C++17 (GCC 7-32) | Wrong answer on test 13 | 92 ms | 0 KB |
| 350695441 | Nov/26/2025 09:56 | hobbycp | B - Deadlock | C++17 (GCC 7-32) | Wrong answer on test 13 | 154 ms | 0 KB |
| 350694980 | Nov/26/2025 09:52 | hobbycp | B - Deadlock | C++17 (GCC 7-32) | Time limit exceeded on test 13 | 1000 ms | 0 KB |
| 350694620 | Nov/26/2025 09:49 | hobbycp | B - Deadlock | C++17 (GCC 7-32) | Time limit exceeded on test 13 | 1000 ms | 0 KB |
| 350692783 | Nov/26/2025 09:28 | hobbycp | B - Deadlock | C++17 (GCC 7-32) | Time limit exceeded on test 13 | 1000 ms | 0 KB |
| 350687259 | Nov/26/2025 08:20 | hobbycp | B - Deadlock | C++17 (GCC 7-32) | Compilation error | 0 ms | 0 KB |
| 350683468 | Nov/26/2025 07:10 | hobbycp | B - Deadlock | C++17 (GCC 7-32) | Wrong answer on test 13 | 468 ms | 0 KB |
| 350594856 | Nov/25/2025 14:06 | hobbycp | B - Deadlock | C++17 (GCC 7-32) | Wrong answer on test 8 | 122 ms | 100 KB |
| 350580694 | Nov/25/2025 11:43 | hobbycp | B - Deadlock | C++17 (GCC 7-32) | Wrong answer on test 13 | 124 ms | 0 KB |
| 350576491 | Nov/25/2025 11:01 | hobbycp | B - Deadlock | C++17 (GCC 7-32) | Wrong answer on test 13 | 122 ms | 0 KB |
| 350562791 | Nov/25/2025 08:21 | hobbycp | B - Deadlock | C++17 (GCC 7-32) | Wrong answer on test 13 | 92 ms | 0 KB |
| 350488239 | Nov/24/2025 16:26 | hobbycp | B - Deadlock | C++17 (GCC 7-32) | Wrong answer on test 13 | 92 ms | 0 KB |
| 350473500 | Nov/24/2025 14:36 | hobbycp | B - Deadlock | C++17 (GCC 7-32) | Wrong answer on test 13 | 124 ms | 0 KB |
| 350472834 | Nov/24/2025 14:30 | hobbycp | B - Deadlock | C++17 (GCC 7-32) | Wrong answer on test 13 | 122 ms | 0 KB |
| 350470482 | Nov/24/2025 14:10 | hobbycp | B - Deadlock | C++17 (GCC 7-32) | Wrong answer on test 13 | 124 ms | 0 KB |
| 350444597 | Nov/24/2025 09:44 | hobbycp | B - Deadlock | C++17 (GCC 7-32) | Wrong answer on test 13 | 124 ms | 0 KB |
| 350442898 | Nov/24/2025 09:25 | hobbycp | B - Deadlock | C++17 (GCC 7-32) | Wrong answer on test 8 | 92 ms | 0 KB |
| 350439126 | Nov/24/2025 08:34 | hobbycp | B - Deadlock | C++17 (GCC 7-32) | Wrong answer on test 13 | 92 ms | 0 KB |
| 350438330 | Nov/24/2025 08:20 | hobbycp | B - Deadlock | C++17 (GCC 7-32) | Wrong answer on test 13 | 124 ms | 0 KB |
| 350437776 | Nov/24/2025 08:12 | hobbycp | B - Deadlock | C++17 (GCC 7-32) | Wrong answer on test 13 | 92 ms | 0 KB |
| 350022463 | Nov/21/2025 08:59 | hobbycp | G - Secret Photo | C++17 (GCC 7-32) | Time limit exceeded on test 17 | 1000 ms | 0 KB |
| 350022015 | Nov/21/2025 08:52 | hobbycp | F - Peaceful Rooks | PyPy 3-64 | Accepted | 248 ms | 3100 KB |
| 350021950 | Nov/21/2025 08:51 | hobbycp | C - Forbidden Subwords | C++17 (GCC 7-32) | Wrong answer on test 1 | 62 ms | 0 KB |
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