→ 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 |
|---|---|---|---|---|---|---|---|
| 390752134 | Sep/14/2026 20:36 | Sophis | B - Electricity | C++23 (GCC 14-64, msys2) | Accepted | 124 ms | 5100 KB |
| 390751338 | Sep/14/2026 20:30 | Sophis | B - Electricity | C++23 (GCC 14-64, msys2) | Accepted | 92 ms | 23300 KB |
| 390751111 | Sep/14/2026 20:28 | Sophis | B - Electricity | C++23 (GCC 14-64, msys2) | Wrong answer on test 3 | 30 ms | 0 KB |
| 390750865 | Sep/14/2026 20:25 | Sophis | B - Electricity | C++23 (GCC 14-64, msys2) | Wrong answer on test 3 | 62 ms | 0 KB |
| 390749432 | Sep/14/2026 20:13 | Sophis | B - Electricity | C++23 (GCC 14-64, msys2) | Wrong answer on test 2 | 0 ms | 0 KB |
| 390749197 | Sep/14/2026 20:10 | Sophis | B - Electricity | C++23 (GCC 14-64, msys2) | Wrong answer on test 2 | 92 ms | 0 KB |
| 390747150 | Sep/14/2026 19:50 | Sophis | B - Electricity | C++23 (GCC 14-64, msys2) | Wrong answer on test 1 | 0 ms | 0 KB |
| 390745379 | Sep/14/2026 19:33 | Sophis | B - Electricity | C++23 (GCC 14-64, msys2) | Wrong answer on test 1 | 0 ms | 0 KB |
| 390745200 | Sep/14/2026 19:31 | Sophis | B - Electricity | C++23 (GCC 14-64, msys2) | Wrong answer on test 1 | 0 ms | 0 KB |
| 390495793 | Sep/12/2026 22:30 | Sophis | A - Chip Designing | C++23 (GCC 14-64, msys2) | Wrong answer on test 1 | 30 ms | 0 KB |
| 390495744 | Sep/12/2026 22:29 | Sophis | A - Chip Designing | C++23 (GCC 14-64, msys2) | Memory limit exceeded on test 1 | 280 ms | 65500 KB |
| 390495398 | Sep/12/2026 22:22 | Sophis | A - Chip Designing | C++23 (GCC 14-64, msys2) | Runtime error on test 1 | 30 ms | 0 KB |
| 390495286 | Sep/12/2026 22:20 | Sophis | A - Chip Designing | C++23 (GCC 14-64, msys2) | Wrong answer on test 1 | 30 ms | 0 KB |
| 390494557 | Sep/12/2026 22:08 | Sophis | A - Chip Designing | C++23 (GCC 14-64, msys2) | Wrong answer on test 1 | 30 ms | 0 KB |
| 383540588 | Jul/20/2026 09:38 | qwwqcy | F - Restore the Tree | C++23 (GCC 14-64, msys2) | Accepted | 812 ms | 42900 KB |
| 383540488 | Jul/20/2026 09:37 | qwwqcy | F - Restore the Tree | C++23 (GCC 14-64, msys2) | Time limit exceeded on test 14 | 30000 ms | 8000 KB |
| 383540440 | Jul/20/2026 09:36 | qwwqcy | F - Restore the Tree | C++23 (GCC 14-64, msys2) | Accepted | 21592 ms | 1300 KB |
| 383540268 | Jul/20/2026 09:34 | qwwqcy | F - Restore the Tree | C++23 (GCC 14-64, msys2) | Time limit exceeded on test 14 | 30000 ms | 25000 KB |
| 383540323 | Jul/20/2026 09:35 | qwwqcy | F - Restore the Tree | C++23 (GCC 14-64, msys2) | Accepted | 2280 ms | 400 KB |
| 383538332 | Jul/20/2026 09:14 | qwwqcy | F - Restore the Tree | C++23 (GCC 14-64, msys2) | Wrong answer on test 15 | 2624 ms | 29400 KB |
| 381949882 | Jul/10/2026 12:13 | lkotyaral | H - Selling Tickets | C++20 (GCC 13-64) | Runtime error on test 1 | 30 ms | 0 KB |
| 381831837 | Jul/09/2026 12:53 | lkotyaral | F - Restore the Tree | C++20 (GCC 13-64) | Accepted | 1312 ms | 100 KB |
| 381829132 | Jul/09/2026 12:30 | lkotyaral | F - Restore the Tree | C++20 (GCC 13-64) | Wrong answer on test 15 | 92 ms | 0 KB |
| 381829039 | Jul/09/2026 12:29 | lkotyaral | F - Restore the Tree | C++20 (GCC 13-64) | Wrong answer on test 1 | 30 ms | 0 KB |
| 381814358 | Jul/09/2026 10:33 | lkotyaral | I - Traces | C++20 (GCC 13-64) | Accepted | 156 ms | 700 KB |
| 381814253 | Jul/09/2026 10:32 | lkotyaral | I - Traces | C++20 (GCC 13-64) | Compilation error | 0 ms | 0 KB |
| 381813750 | Jul/09/2026 10:28 | lkotyaral | I - Traces | C++20 (GCC 13-64) | Runtime error on test 11 | 62 ms | 0 KB |
| 381743030 | Jul/08/2026 19:02 | lkotyaral | G - Unrhymable Rhymes | C++20 (GCC 13-64) | Accepted | 186 ms | 0 KB |
| 381698125 | Jul/08/2026 12:01 | lkotyaral | D - Police Cities | C++20 (GCC 13-64) | Accepted | 92 ms | 100 KB |
| 381697347 | Jul/08/2026 11:54 | lkotyaral | D - Police Cities | C++20 (GCC 13-64) | Wrong answer on test 6 | 124 ms | 0 KB |
| 381697164 | Jul/08/2026 11:53 | lkotyaral | D - Police Cities | C++20 (GCC 13-64) | Runtime error on test 1 | 30 ms | 0 KB |
| 381695668 | Jul/08/2026 11:39 | lkotyaral | D - Police Cities | C++20 (GCC 13-64) | Wrong answer on test 6 | 92 ms | 100 KB |
| 381695648 | Jul/08/2026 11:39 | lkotyaral | D - Police Cities | Python 3 | Compilation error | 0 ms | 0 KB |
| 380652142 | Jun/30/2026 07:04 | qwwqcy | G - Unrhymable Rhymes | C++17 (GCC 7-32) | Time limit exceeded on test 9 | 1000 ms | 100 KB |
| 380650959 | Jun/30/2026 06:36 | qwwqcy | G - Unrhymable Rhymes | C++17 (GCC 7-32) | Wrong answer on test 7 | 62 ms | 200 KB |
| 380647473 | Jun/30/2026 05:08 | qwwqcy | G - Unrhymable Rhymes | C++17 (GCC 7-32) | Wrong answer on test 1 | 30 ms | 0 KB |
| 380647430 | Jun/30/2026 05:07 | qwwqcy | G - Unrhymable Rhymes | C++17 (GCC 7-32) | Accepted | 92 ms | 0 KB |
| 378269141 | Jun/12/2026 09:33 | qwwqcy | I - Traces | C++17 (GCC 7-32) | Time limit exceeded on test 13 | 1000 ms | 5000 KB |
| 378264296 | Jun/12/2026 08:36 | qwwqcy | I - Traces | C++17 (GCC 7-32) | Time limit exceeded on test 16 | 1000 ms | 300 KB |
| 378264224 | Jun/12/2026 08:35 | qwwqcy | I - Traces | C++17 (GCC 7-32) | Wrong answer on test 5 | 62 ms | 100 KB |
| 378264145 | Jun/12/2026 08:33 | qwwqcy | I - Traces | C++17 (GCC 7-32) | Accepted | 124 ms | 4600 KB |
| 378264107 | Jun/12/2026 08:33 | qwwqcy | I - Traces | C++17 (GCC 7-32) | Wrong answer on test 11 | 92 ms | 1500 KB |
| 378264039 | Jun/12/2026 08:32 | qwwqcy | I - Traces | C++17 (GCC 7-32) | Wrong answer on test 38 | 92 ms | 100 KB |
| 378263970 | Jun/12/2026 08:31 | qwwqcy | I - Traces | C++17 (GCC 7-32) | Wrong answer on test 1 | 30 ms | 0 KB |
| 378263836 | Jun/12/2026 08:29 | qwwqcy | I - Traces | C++17 (GCC 7-32) | Time limit exceeded on test 13 | 1000 ms | 4600 KB |
| 378263816 | Jun/12/2026 08:29 | qwwqcy | I - Traces | C++17 (GCC 7-32) | Time limit exceeded on test 16 | 1000 ms | 200 KB |
| 378263678 | Jun/12/2026 08:27 | qwwqcy | I - Traces | C++17 (GCC 7-32) | Wrong answer on test 5 | 62 ms | 0 KB |
| 378263182 | Jun/12/2026 08:21 | qwwqcy | I - Traces | C++20 (GCC 13-64) | Compilation error | 0 ms | 0 KB |
| 378263145 | Jun/12/2026 08:20 | qwwqcy | I - Traces | C++20 (GCC 13-64) | Time limit exceeded on test 16 | 1000 ms | 300 KB |
| 378254910 | Jun/12/2026 05:42 | qwwqcy | D - Police Cities | C++20 (GCC 13-64) | Time limit exceeded on test 1 | 1000 ms | 13100 KB |
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