→ 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 |
|---|---|---|---|---|---|---|---|
| 371341632 | Apr/16/2026 10:38 | qwwqcy | C - Arbitrage | C++20 (GCC 13-64) | Accepted | 124 ms | 100 KB |
| 371341375 | Apr/16/2026 10:35 | qwwqcy | C - Arbitrage | C++20 (GCC 13-64) | Memory limit exceeded on test 1 | 592 ms | 262100 KB |
| 371341339 | Apr/16/2026 10:35 | qwwqcy | C - Arbitrage | Java 21 | Accepted | 624 ms | 2200 KB |
| 371340942 | Apr/16/2026 10:30 | qwwqcy | C - Arbitrage | C++20 (GCC 13-64) | Memory limit exceeded on test 1 | 718 ms | 262100 KB |
| 371338155 | Apr/16/2026 09:59 | qwwqcy | C - Arbitrage | C++20 (GCC 13-64) | Wrong answer on test 1 | 30 ms | 0 KB |
| 371338079 | Apr/16/2026 09:58 | qwwqcy | A - Three Colors | C++20 (GCC 13-64) | Accepted | 156 ms | 800 KB |
| 371337987 | Apr/16/2026 09:57 | qwwqcy | I - Tour | C++20 (GCC 13-64) | Accepted | 342 ms | 9700 KB |
| 371337918 | Apr/16/2026 09:56 | qwwqcy | A - Three Colors | C++20 (GCC 13-64) | Accepted | 92 ms | 100 KB |
| 371337847 | Apr/16/2026 09:55 | qwwqcy | I - Tour | C++20 (GCC 13-64) | Accepted | 312 ms | 10100 KB |
| 371337747 | Apr/16/2026 09:54 | qwwqcy | H - Peaks | C++20 (GCC 13-64) | Accepted | 92 ms | 17300 KB |
| 371337642 | Apr/16/2026 09:53 | qwwqcy | H - Peaks | C++20 (GCC 13-64) | Accepted | 92 ms | 8300 KB |
| 371337426 | Apr/16/2026 09:50 | qwwqcy | G - Machine Learning | C++20 (GCC 13-64) | Accepted | 124 ms | 200 KB |
| 371337315 | Apr/16/2026 09:49 | qwwqcy | G - Machine Learning | C++20 (GCC 13-64) | Accepted | 92 ms | 200 KB |
| 371337258 | Apr/16/2026 09:49 | qwwqcy | C - Arbitrage | Java 21 | Compilation error | 0 ms | 0 KB |
| 371337213 | Apr/16/2026 09:48 | qwwqcy | D - Border Correlation | C++20 (GCC 13-64) | Accepted | 1718 ms | 30000 KB |
| 371337026 | Apr/16/2026 09:46 | qwwqcy | D - Border Correlation | C++20 (GCC 13-64) | Accepted | 1874 ms | 30000 KB |
| 371336982 | Apr/16/2026 09:45 | qwwqcy | B - Antipalindromic Numbers | C++20 (GCC 13-64) | Accepted | 92 ms | 0 KB |
| 371336895 | Apr/16/2026 09:44 | qwwqcy | G - Machine Learning | C++20 (GCC 13-64) | Wrong answer on test 1 | 30 ms | 100 KB |
| 371336855 | Apr/16/2026 09:44 | qwwqcy | B - Antipalindromic Numbers | C++20 (GCC 13-64) | Accepted | 92 ms | 0 KB |
| 371336751 | Apr/16/2026 09:42 | qwwqcy | E - Chipmunks | C++20 (GCC 13-64) | Accepted | 62 ms | 100 KB |
| 371336632 | Apr/16/2026 09:41 | qwwqcy | E - Chipmunks | C++20 (GCC 13-64) | Accepted | 92 ms | 0 KB |
| 363652682 | Feb/19/2026 21:46 | aqxa | J - The Wall | PyPy 3-64 | Accepted | 250 ms | 4200 KB |
| 363565790 | Feb/19/2026 05:02 | team: DylanSmith, alexlikemath007, aqxa# | C - Arbitrage | PyPy 3-64 | Wrong answer on test 3 | 156 ms | 4900 KB |
| 363564192 | Feb/19/2026 04:16 | team: DylanSmith, alexlikemath007, aqxa# | J - The Wall | C++20 (GCC 13-64) | Wrong answer on test 9 | 124 ms | 0 KB |
| 363564095 | Feb/19/2026 04:10 | team: DylanSmith, alexlikemath007, aqxa# | J - The Wall | C++20 (GCC 13-64) | Memory limit exceeded on test 1 | 186 ms | 262100 KB |
| 363563111 | Feb/19/2026 03:25 | team: DylanSmith, alexlikemath007, aqxa# | G - Machine Learning | C++20 (GCC 13-64) | Accepted | 186 ms | 65800 KB |
| 363562525 | Feb/19/2026 02:59 | team: DylanSmith, alexlikemath007, aqxa# | D - Border Correlation | C++20 (GCC 13-64) | Accepted | 1624 ms | 78700 KB |
| 363562208 | Feb/19/2026 02:47 | team: DylanSmith, alexlikemath007, aqxa# | D - Border Correlation | C++20 (GCC 13-64) | Time limit exceeded on test 36 | 5000 ms | 75300 KB |
| 363561310 | Feb/19/2026 02:14 | team: DylanSmith, alexlikemath007, aqxa# | F - Coins Game | C++20 (GCC 13-64) | Accepted | 62 ms | 0 KB |
| 363560539 | Feb/19/2026 01:53 | team: DylanSmith, alexlikemath007, aqxa# | F - Coins Game | C++20 (GCC 13-64) | Wrong answer on test 1 | 0 ms | 100 KB |
| 363559395 | Feb/19/2026 01:05 | team: DylanSmith, alexlikemath007, aqxa# | I - Tour | C++20 (GCC 13-64) | Accepted | 280 ms | 3400 KB |
| 363559120 | Feb/19/2026 00:56 | team: DylanSmith, alexlikemath007, aqxa# | B - Antipalindromic Numbers | C++20 (GCC 13-64) | Accepted | 62 ms | 0 KB |
| 363558061 | Feb/19/2026 00:30 | team: DylanSmith, alexlikemath007, aqxa# | E - Chipmunks | C++20 (GCC 13-64) | Accepted | 62 ms | 100 KB |
| 353279302 | Dec/13/2025 09:34 | hobbycp | A - Three Colors | C++23 (GCC 14-64, msys2) | Accepted | 92 ms | 200 KB |
| 353279236 | Dec/13/2025 09:33 | hobbycp | A - Three Colors | C++23 (GCC 14-64, msys2) | Time limit exceeded on test 2 | 3000 ms | 0 KB |
| 350689960 | Nov/26/2025 08:57 | hobbycp | G - Machine Learning | C++17 (GCC 7-32) | Wrong answer on test 1 | 92 ms | 0 KB |
| 350474117 | Nov/24/2025 14:42 | hobbycp | C - Arbitrage | PyPy 3-64 | Wrong answer on test 3 | 248 ms | 4800 KB |
| 350473909 | Nov/24/2025 14:40 | hobbycp | G - Machine Learning | C++17 (GCC 7-32) | Wrong answer on test 1 | 92 ms | 0 KB |
| 350446734 | Nov/24/2025 10:08 | hobbycp | E - Chipmunks | PyPy 3-64 | Accepted | 186 ms | 0 KB |
| 347681610 | Nov/06/2025 16:43 | ngmhhay | E - Chipmunks | C++20 (GCC 13-64) | Accepted | 122 ms | 33600 KB |
| 347375298 | Nov/04/2025 12:30 | vjudge.8 | H - Peaks | C++23 (GCC 14-64, msys2) | Accepted | 154 ms | 16500 KB |
| 292873973 | Nov/23/2024 12:59 | 1l2u3o | G - Machine Learning | C++20 (GCC 13-64) | Accepted | 124 ms | 4700 KB |
| 292873807 | Nov/23/2024 12:57 | 1l2u3o | G - Machine Learning | C++20 (GCC 13-64) | Wrong answer on test 8 | 92 ms | 4700 KB |
| 292873726 | Nov/23/2024 12:57 | 1l2u3o | G - Machine Learning | C++20 (GCC 13-64) | Wrong answer on test 8 | 122 ms | 4700 KB |
| 292873396 | Nov/23/2024 12:54 | 1l2u3o | G - Machine Learning | C++20 (GCC 13-64) | Wrong answer on test 1 | 92 ms | 4700 KB |
| 291571182 | Nov/15/2024 14:50 | vjudge3 | B - Antipalindromic Numbers | C++20 (GCC 13-64) | Accepted | 154 ms | 100 KB |
| 291557885 | Nov/15/2024 13:07 | vjudge5 | B - Antipalindromic Numbers | C++20 (GCC 13-64) | Runtime error on test 1 | 62 ms | 100 KB |
| 289996875 | Nov/05/2024 02:43 | vjudge1 | J - The Wall | C++20 (GCC 13-64) | Accepted | 124 ms | 0 KB |
| 289996802 | Nov/05/2024 02:41 | vjudge.7 | J - The Wall | C++20 (GCC 13-64) | Wrong answer on test 7 | 92 ms | 0 KB |
| 289996137 | Nov/05/2024 02:21 | vjudge.9 | J - The Wall | C++20 (GCC 13-64) | Wrong answer on test 27 | 124 ms | 0 KB |
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