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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 |
|---|---|---|---|---|---|---|---|
| 370512025 | Apr/10/2026 11:05 | chenwz | J - Crossing the River | C++20 (GCC 13-64) | Accepted | 906 ms | 100 KB |
| 370395571 | Apr/09/2026 12:00 | chenwz | D - DNA Analysis | C++20 (GCC 13-64) | Time limit exceeded on test 47 | 2000 ms | 6000 KB |
| 370392410 | Apr/09/2026 11:30 | chenwz | B - Cartesian Tree | C++20 (GCC 13-64) | Accepted | 92 ms | 100 KB |
| 370389688 | Apr/09/2026 11:21 | chenwz | B - Cartesian Tree | C++20 (GCC 13-64) | Runtime error on test 1 | 0 ms | 0 KB |
| 370385155 | Apr/09/2026 11:07 | chenwz | A - Almost Palindromic Numbers | C++20 (GCC 13-64) | Accepted | 62 ms | 100 KB |
| 370343102 | Apr/09/2026 07:01 | chenwz | A - Almost Palindromic Numbers | C++20 (GCC 13-64) | Accepted | 62 ms | 0 KB |
| 370342855 | Apr/09/2026 06:56 | chenwz | A - Almost Palindromic Numbers | C++20 (GCC 13-64) | Wrong answer on test 3 | 30 ms | 0 KB |
| 370341860 | Apr/09/2026 06:38 | chenwz | I - Princess Dilemma | C++20 (GCC 13-64) | Accepted | 92 ms | 100 KB |
| 370341826 | Apr/09/2026 06:37 | chenwz | D - DNA Analysis | C++20 (GCC 13-64) | Accepted | 374 ms | 6000 KB |
| 370341809 | Apr/09/2026 06:37 | chenwz | C - Casino | C++20 (GCC 13-64) | Accepted | 92 ms | 100 KB |
| 370341686 | Apr/09/2026 06:35 | chenwz | B - Cartesian Tree | C++20 (GCC 13-64) | Accepted | 62 ms | 100 KB |
| 370341618 | Apr/09/2026 06:33 | chenwz | A - Almost Palindromic Numbers | C++20 (GCC 13-64) | Wrong answer on test 3 | 30 ms | 100 KB |
| 370341122 | Apr/09/2026 06:23 | chenwz | A - Almost Palindromic Numbers | C++20 (GCC 13-64) | Wrong answer on test 3 | 62 ms | 0 KB |
| 370337287 | Apr/09/2026 04:45 | chenwz | I - Princess Dilemma | C++20 (GCC 13-64) | Accepted | 124 ms | 100 KB |
| 370337278 | Apr/09/2026 04:45 | chenwz | J - Crossing the River | C++20 (GCC 13-64) | Wrong answer on test 1 | 0 ms | 0 KB |
| 370337236 | Apr/09/2026 04:43 | chenwz | J - Crossing the River | C++20 (GCC 13-64) | Accepted | 62 ms | 0 KB |
| 370337208 | Apr/09/2026 04:42 | chenwz | C - Casino | C++20 (GCC 13-64) | Accepted | 62 ms | 100 KB |
| 370337172 | Apr/09/2026 04:41 | chenwz | D - DNA Analysis | C++20 (GCC 13-64) | Accepted | 406 ms | 15500 KB |
| 370337116 | Apr/09/2026 04:39 | chenwz | B - Cartesian Tree | C++20 (GCC 13-64) | Accepted | 62 ms | 100 KB |
| 370337057 | Apr/09/2026 04:37 | chenwz | A - Almost Palindromic Numbers | C++20 (GCC 13-64) | Accepted | 62 ms | 0 KB |
| 369419630 | Apr/03/2026 08:26 | qwwqcy | J - Crossing the River | C++20 (GCC 13-64) | Accepted | 62 ms | 0 KB |
| 369419408 | Apr/03/2026 08:23 | qwwqcy | J - Crossing the River | C++20 (GCC 13-64) | Accepted | 92 ms | 0 KB |
| 369418994 | Apr/03/2026 08:19 | qwwqcy | C - Casino | C++20 (GCC 13-64) | Accepted | 92 ms | 0 KB |
| 369418897 | Apr/03/2026 08:18 | qwwqcy | J - Crossing the River | C++20 (GCC 13-64) | Wrong answer on test 1 | 30 ms | 0 KB |
| 369418407 | Apr/03/2026 08:12 | qwwqcy | C - Casino | C++20 (GCC 13-64) | Wrong answer on test 6 | 62 ms | 0 KB |
| 369418401 | Apr/03/2026 08:12 | qwwqcy | A - Almost Palindromic Numbers | C++20 (GCC 13-64) | Accepted | 62 ms | 0 KB |
| 369418335 | Apr/03/2026 08:11 | qwwqcy | A - Almost Palindromic Numbers | C++20 (GCC 13-64) | Accepted | 62 ms | 0 KB |
| 369418036 | Apr/03/2026 08:07 | qwwqcy | A - Almost Palindromic Numbers | C++20 (GCC 13-64) | Accepted | 62 ms | 0 KB |
| 369418026 | Apr/03/2026 08:07 | qwwqcy | J - Crossing the River | C++20 (GCC 13-64) | Time limit exceeded on test 8 | 1000 ms | 0 KB |
| 369417982 | Apr/03/2026 08:07 | qwwqcy | F - Surface Genus | C++20 (GCC 13-64) | Accepted | 92 ms | 0 KB |
| 369417475 | Apr/03/2026 08:00 | qwwqcy | F - Surface Genus | C++20 (GCC 13-64) | Accepted | 92 ms | 100 KB |
| 369417044 | Apr/03/2026 07:54 | qwwqcy | A - Almost Palindromic Numbers | C++20 (GCC 13-64) | Wrong answer on test 2 | 62 ms | 0 KB |
| 369416770 | Apr/03/2026 07:50 | qwwqcy | B - Cartesian Tree | C++20 (GCC 13-64) | Accepted | 92 ms | 100 KB |
| 369416487 | Apr/03/2026 07:47 | qwwqcy | B - Cartesian Tree | C++20 (GCC 13-64) | Accepted | 92 ms | 17300 KB |
| 369415668 | Apr/03/2026 07:35 | qwwqcy | I - Princess Dilemma | C++20 (GCC 13-64) | Accepted | 92 ms | 100 KB |
| 369415556 | Apr/03/2026 07:33 | qwwqcy | I - Princess Dilemma | C++20 (GCC 13-64) | Accepted | 92 ms | 0 KB |
| 369415436 | Apr/03/2026 07:31 | qwwqcy | B - Cartesian Tree | C++20 (GCC 13-64) | Compilation error | 0 ms | 0 KB |
| 369413258 | Apr/03/2026 06:52 | qwwqcy | D - DNA Analysis | C++20 (GCC 13-64) | Accepted | 406 ms | 15600 KB |
| 369413197 | Apr/03/2026 06:51 | qwwqcy | D - DNA Analysis | C++20 (GCC 13-64) | Accepted | 436 ms | 15600 KB |
| 362085542 | Feb/09/2026 09:39 | Antares_qwq | G - Matrix Multiplication | C++20 (GCC 13-64) | Wrong answer on test 1 | 62 ms | 0 KB |
| 361921811 | Feb/08/2026 09:56 | Antares_qwq | G - Matrix Multiplication | C++20 (GCC 13-64) | Wrong answer on test 1 | 30 ms | 5900 KB |
| 361921016 | Feb/08/2026 09:48 | Antares_qwq | G - Matrix Multiplication | C++20 (GCC 13-64) | Wrong answer on test 1 | 0 ms | 5900 KB |
| 361543624 | Feb/05/2026 15:03 | chenwz | G - Matrix Multiplication | C++17 (GCC 7-32) | Time limit exceeded on test 12 | 2000 ms | 2100 KB |
| 359154382 | Jan/22/2026 08:56 | qwwqcy | G - Matrix Multiplication | C++17 (GCC 7-32) | Accepted | 812 ms | 2100 KB |
| 358921399 | Jan/20/2026 15:47 | chenwz | G - Matrix Multiplication | C++17 (GCC 7-32) | Accepted | 750 ms | 2200 KB |
| 358920717 | Jan/20/2026 15:43 | chenwz | G - Matrix Multiplication | C++17 (GCC 7-32) | Accepted | 906 ms | 2100 KB |
| 358919447 | Jan/20/2026 15:34 | chenwz | G - Matrix Multiplication | C++17 (GCC 7-32) | Accepted | 1030 ms | 2100 KB |
| 358917851 | Jan/20/2026 15:24 | chenwz | G - Matrix Multiplication | C++17 (GCC 7-32) | Accepted | 1218 ms | 2100 KB |
| 358916854 | Jan/20/2026 15:18 | chenwz | G - Matrix Multiplication | C++17 (GCC 7-32) | Accepted | 1218 ms | 2100 KB |
| 358915205 | Jan/20/2026 15:10 | chenwz | G - Matrix Multiplication | C++17 (GCC 7-32) | Wrong answer on test 1 | 30 ms | 0 KB |
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