→ 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 |
|---|---|---|---|---|---|---|---|
| 375729942 | May/23/2026 11:11 | syzxliangyuhan | D - Data Mining | C++20 (GCC 13-64) | Accepted | 593 ms | 16600 KB |
| 375706947 | May/23/2026 06:47 | zuixin | D - Data Mining | C++20 (GCC 13-64) | Accepted | 703 ms | 54000 KB |
| 374092378 | May/10/2026 13:56 | chenwz | B - Bicoloring of a Tree | C++20 (GCC 13-64) | Accepted | 171 ms | 5700 KB |
| 374091978 | May/10/2026 13:52 | chenwz | B - Bicoloring of a Tree | C++20 (GCC 13-64) | Accepted | 187 ms | 6800 KB |
| 374091903 | May/10/2026 13:51 | chenwz | B - Bicoloring of a Tree | C++20 (GCC 13-64) | Compilation error | 0 ms | 0 KB |
| 374091689 | May/10/2026 13:48 | chenwz | B - Bicoloring of a Tree | C++20 (GCC 13-64) | Accepted | 203 ms | 5700 KB |
| 374091600 | May/10/2026 13:47 | chenwz | B - Bicoloring of a Tree | C++20 (GCC 13-64) | Wrong answer on test 1 | 31 ms | 0 KB |
| 374090024 | May/10/2026 13:28 | chenwz | C - Commuter Trains | C++20 (GCC 13-64) | Accepted | 593 ms | 29000 KB |
| 374076459 | May/10/2026 10:49 | chenwz | B - Bicoloring of a Tree | C++20 (GCC 13-64) | Accepted | 1218 ms | 45500 KB |
| 374071335 | May/10/2026 09:56 | chenwz | I - Immetric Polynomials | C++20 (GCC 13-64) | Wrong answer on test 2 | 15 ms | 0 KB |
| 373928104 | May/08/2026 18:23 | chenwz | D - Data Mining | C++20 (GCC 13-64) | Accepted | 437 ms | 16800 KB |
| 373925499 | May/08/2026 17:56 | chenwz | H - House of Representatives | C++20 (GCC 13-64) | Accepted | 156 ms | 15300 KB |
| 373925173 | May/08/2026 17:53 | chenwz | H - House of Representatives | C++20 (GCC 13-64) | Accepted | 187 ms | 23100 KB |
| 373898345 | May/08/2026 13:21 | chenwz | F - Furniture Factory | C++20 (GCC 13-64) | Accepted | 187 ms | 400 KB |
| 373898310 | May/08/2026 13:21 | chenwz | C - Commuter Trains | C++20 (GCC 13-64) | Accepted | 671 ms | 28900 KB |
| 373898276 | May/08/2026 13:20 | chenwz | B - Bicoloring of a Tree | C++20 (GCC 13-64) | Accepted | 1265 ms | 45500 KB |
| 373898258 | May/08/2026 13:20 | chenwz | G - Genome Research | C++20 (GCC 13-64) | Accepted | 78 ms | 0 KB |
| 373898246 | May/08/2026 13:20 | chenwz | E - Eating Chocolate Game | C++20 (GCC 13-64) | Accepted | 62 ms | 0 KB |
| 373898227 | May/08/2026 13:19 | chenwz | I - Immetric Polynomials | C++20 (GCC 13-64) | Accepted | 31 ms | 0 KB |
| 373898182 | May/08/2026 13:19 | chenwz | D - Data Mining | C++20 (GCC 13-64) | Accepted | 468 ms | 16800 KB |
| 373898217 | May/08/2026 13:19 | chenwz | A - Avangard Latin Squares | C++20 (GCC 13-64) | Accepted | 187 ms | 0 KB |
| 373897255 | May/08/2026 13:07 | chenwz | H - House of Representatives | C++20 (GCC 13-64) | Accepted | 187 ms | 16900 KB |
| 372208432 | Apr/23/2026 10:13 | qwwqcy | F - Furniture Factory | C++20 (GCC 13-64) | Accepted | 250 ms | 400 KB |
| 371636074 | Apr/18/2026 12:58 | qwwqcy | F - Furniture Factory | C++17 (GCC 7-32) | Runtime error on test 1 | 15 ms | 0 KB |
| 371635484 | Apr/18/2026 12:51 | qwwqcy | F - Furniture Factory | C++17 (GCC 7-32) | Wrong answer on test 1 | 31 ms | 0 KB |
| 371635409 | Apr/18/2026 12:50 | qwwqcy | I - Immetric Polynomials | C++17 (GCC 7-32) | Accepted | 15 ms | 0 KB |
| 371635322 | Apr/18/2026 12:49 | qwwqcy | H - House of Representatives | C++17 (GCC 7-32) | Accepted | 390 ms | 52500 KB |
| 371635162 | Apr/18/2026 12:47 | qwwqcy | G - Genome Research | C++17 (GCC 7-32) | Accepted | 46 ms | 100 KB |
| 371635240 | Apr/18/2026 12:48 | qwwqcy | I - Immetric Polynomials | C++17 (GCC 7-32) | Accepted | 15 ms | 100 KB |
| 371635203 | Apr/18/2026 12:48 | qwwqcy | H - House of Representatives | C++17 (GCC 7-32) | Accepted | 515 ms | 13300 KB |
| 371634871 | Apr/18/2026 12:44 | qwwqcy | G - Genome Research | C++17 (GCC 7-32) | Accepted | 62 ms | 200 KB |
| 371634764 | Apr/18/2026 12:43 | qwwqcy | F - Furniture Factory | C++17 (GCC 7-32) | Wrong answer on test 1 | 31 ms | 0 KB |
| 371634723 | Apr/18/2026 12:42 | qwwqcy | E - Eating Chocolate Game | C++17 (GCC 7-32) | Accepted | 62 ms | 100 KB |
| 371634636 | Apr/18/2026 12:41 | qwwqcy | E - Eating Chocolate Game | C++17 (GCC 7-32) | Accepted | 62 ms | 100 KB |
| 371634243 | Apr/18/2026 12:37 | qwwqcy | E - Eating Chocolate Game | C++17 (GCC 7-32) | Compilation error | 0 ms | 0 KB |
| 371634135 | Apr/18/2026 12:36 | qwwqcy | E - Eating Chocolate Game | C++20 (GCC 13-64) | Compilation error | 0 ms | 0 KB |
| 371634018 | Apr/18/2026 12:35 | qwwqcy | D - Data Mining | C++20 (GCC 13-64) | Accepted | 515 ms | 8700 KB |
| 371633900 | Apr/18/2026 12:34 | qwwqcy | D - Data Mining | C++20 (GCC 13-64) | Accepted | 500 ms | 8700 KB |
| 371633806 | Apr/18/2026 12:33 | qwwqcy | C - Commuter Trains | C++20 (GCC 13-64) | Accepted | 609 ms | 26400 KB |
| 371633645 | Apr/18/2026 12:31 | qwwqcy | C - Commuter Trains | C++20 (GCC 13-64) | Accepted | 750 ms | 26500 KB |
| 371633124 | Apr/18/2026 12:25 | qwwqcy | B - Bicoloring of a Tree | C++20 (GCC 13-64) | Accepted | 687 ms | 14300 KB |
| 371632840 | Apr/18/2026 12:22 | qwwqcy | B - Bicoloring of a Tree | C++20 (GCC 13-64) | Accepted | 718 ms | 14300 KB |
| 371632619 | Apr/18/2026 12:20 | qwwqcy | A - Avangard Latin Squares | C++20 (GCC 13-64) | Accepted | 125 ms | 100 KB |
| 371632416 | Apr/18/2026 12:18 | qwwqcy | A - Avangard Latin Squares | C++20 (GCC 13-64) | Accepted | 125 ms | 100 KB |
| 367787364 | Mar/22/2026 16:39 | Antares_qwq | J - Jealous Robots | C++20 (GCC 13-64) | Wrong answer on test 27 | 46 ms | 200 KB |
| 367787253 | Mar/22/2026 16:39 | Antares_qwq | J - Jealous Robots | C++20 (GCC 13-64) | Wrong answer on test 11 | 31 ms | 200 KB |
| 367777905 | Mar/22/2026 15:36 | Antares_qwq | J - Jealous Robots | C++20 (GCC 13-64) | Wrong answer on test 27 | 31 ms | 200 KB |
| 367776089 | Mar/22/2026 15:25 | Antares_qwq | J - Jealous Robots | C++20 (GCC 13-64) | Wrong answer on test 27 | 46 ms | 200 KB |
| 367773392 | Mar/22/2026 15:07 | Antares_qwq | J - Jealous Robots | C++20 (GCC 13-64) | Wrong answer on test 9 | 46 ms | 200 KB |
| 367771393 | Mar/22/2026 14:56 | Antares_qwq | J - Jealous Robots | C++20 (GCC 13-64) | Wrong answer on test 9 | 31 ms | 200 KB |
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