→ 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 |
|---|---|---|---|---|---|---|---|
| 391150092 | Sep/18/2026 18:51 | DCSNMGPSSIK | E - Graduated Lexicographical Ordering | C++23 (GCC 14-64, msys2) | Accepted | 92 ms | 0 KB |
| 389729947 | Sep/07/2026 13:15 | Sophis | I - Railroad Sort | C++23 (GCC 14-64, msys2) | Accepted | 124 ms | 100 KB |
| 389729875 | Sep/07/2026 13:15 | Sophis | I - Railroad Sort | C++23 (GCC 14-64, msys2) | Compilation error | 0 ms | 0 KB |
| 389388003 | Sep/04/2026 20:34 | Sophis | I - Railroad Sort | C++17 (GCC 7-32) | Accepted | 124 ms | 100 KB |
| 389386508 | Sep/04/2026 20:19 | Sophis | I - Railroad Sort | C++17 (GCC 7-32) | Wrong answer on test 1 | 62 ms | 0 KB |
| 389385907 | Sep/04/2026 20:11 | Sophis | I - Railroad Sort | C++17 (GCC 7-32) | Wrong answer on test 1 | 30 ms | 0 KB |
| 389383533 | Sep/04/2026 19:46 | Sophis | H - Don't Go Left | C++17 (GCC 7-32) | Accepted | 312 ms | 4900 KB |
| 389383350 | Sep/04/2026 19:44 | Sophis | H - Don't Go Left | C++17 (GCC 7-32) | Wrong answer on test 7 | 92 ms | 0 KB |
| 389323537 | Sep/04/2026 08:30 | Sophis | G - Warehouse Keeper | C++17 (GCC 7-32) | Accepted | 92 ms | 100 KB |
| 389323067 | Sep/04/2026 08:22 | Sophis | F - GSM | C++17 (GCC 7-32) | Compilation error | 0 ms | 0 KB |
| 389287390 | Sep/03/2026 19:25 | Sophis | E - Graduated Lexicographical Ordering | C++17 (GCC 7-32) | Accepted | 92 ms | 100 KB |
| 389286962 | Sep/03/2026 19:21 | Sophis | E - Graduated Lexicographical Ordering | C++17 (GCC 7-32) | Wrong answer on test 12 | 62 ms | 100 KB |
| 389285983 | Sep/03/2026 19:12 | Sophis | E - Graduated Lexicographical Ordering | C++17 (GCC 7-32) | Time limit exceeded on test 2 | 1000 ms | 100 KB |
| 389285821 | Sep/03/2026 19:10 | Sophis | E - Graduated Lexicographical Ordering | C++17 (GCC 7-32) | Time limit exceeded on test 2 | 1000 ms | 200 KB |
| 389285596 | Sep/03/2026 19:08 | Sophis | E - Graduated Lexicographical Ordering | C++17 (GCC 7-32) | Runtime error on test 2 | 62 ms | 200 KB |
| 389284079 | Sep/03/2026 18:53 | Sophis | D - Yet Another Digit | C++17 (GCC 7-32) | Accepted | 92 ms | 0 KB |
| 389282684 | Sep/03/2026 18:39 | Sophis | C - Yellow Code | C++17 (GCC 7-32) | Accepted | 62 ms | 0 KB |
| 389275336 | Sep/03/2026 17:27 | Sophis | B - The Minimal Angle | C++17 (GCC 7-32) | Accepted | 656 ms | 0 KB |
| 389250935 | Sep/03/2026 13:29 | Sophis | A - Ackerman's Function | C++17 (GCC 7-32) | Accepted | 92 ms | 100 KB |
| 389247863 | Sep/03/2026 12:49 | Sophis | A - Ackerman's Function | C++17 (GCC 7-32) | Wrong answer on test 11 | 92 ms | 100 KB |
| 389240640 | Sep/03/2026 09:09 | Sophis | A - Ackerman's Function | C++17 (GCC 7-32) | Wrong answer on test 8 | 62 ms | 0 KB |
| 389240608 | Sep/03/2026 09:08 | Sophis | A - Ackerman's Function | C++17 (GCC 7-32) | Wrong answer on test 5 | 62 ms | 0 KB |
| 389210809 | Sep/02/2026 20:14 | Sophis | A - Ackerman's Function | C++17 (GCC 7-32) | Wrong answer on test 11 | 62 ms | 37600 KB |
| 389209880 | Sep/02/2026 20:05 | Sophis | A - Ackerman's Function | C++17 (GCC 7-32) | Wrong answer on test 11 | 92 ms | 0 KB |
| 389209719 | Sep/02/2026 20:04 | Sophis | A - Ackerman's Function | C++17 (GCC 7-32) | Time limit exceeded on test 8 | 1000 ms | 0 KB |
| 389209551 | Sep/02/2026 20:02 | Sophis | A - Ackerman's Function | C++17 (GCC 7-32) | Wrong answer on test 11 | 92 ms | 0 KB |
| 389209254 | Sep/02/2026 19:59 | Sophis | A - Ackerman's Function | C++17 (GCC 7-32) | Wrong answer on test 11 | 62 ms | 100 KB |
| 386324601 | Aug/09/2026 16:00 | ShiraishiYui | A - Ackerman's Function | C++23 (GCC 14-64, msys2) | Accepted | 62 ms | 100 KB |
| 386215461 | Aug/08/2026 15:41 | ShiraishiYui | A - Ackerman's Function | C++23 (GCC 14-64, msys2) | Accepted | 92 ms | 100 KB |
| 386214798 | Aug/08/2026 15:35 | ShiraishiYui | A - Ackerman's Function | C++23 (GCC 14-64, msys2) | Wrong answer on test 11 | 92 ms | 100 KB |
| 386214316 | Aug/08/2026 15:30 | ShiraishiYui | A - Ackerman's Function | C++23 (GCC 14-64, msys2) | Wrong answer on test 3 | 30 ms | 0 KB |
| 386214155 | Aug/08/2026 15:28 | ShiraishiYui | A - Ackerman's Function | C++23 (GCC 14-64, msys2) | Wrong answer on test 8 | 92 ms | 100 KB |
| 386214094 | Aug/08/2026 15:28 | ShiraishiYui | A - Ackerman's Function | C++23 (GCC 14-64, msys2) | Wrong answer on test 8 | 62 ms | 0 KB |
| 383292122 | Jul/18/2026 15:46 | qwwqcy | E - Graduated Lexicographical Ordering | C++23 (GCC 14-64, msys2) | Time limit exceeded on test 59 | 1000 ms | 100 KB |
| 380453415 | Jun/28/2026 15:42 | lkotyaral | E - Graduated Lexicographical Ordering | C++17 (GCC 7-32) | Accepted | 124 ms | 0 KB |
| 380196853 | Jun/26/2026 11:34 | lkotyaral | E - Graduated Lexicographical Ordering | C++17 (GCC 7-32) | Wrong answer on test 2 | 30 ms | 0 KB |
| 380148721 | Jun/25/2026 20:58 | lkotyaral | B - The Minimal Angle | C++17 (GCC 7-32) | Accepted | 342 ms | 100 KB |
| 380147977 | Jun/25/2026 20:50 | lkotyaral | B - The Minimal Angle | C++17 (GCC 7-32) | Wrong answer on test 2 | 92 ms | 0 KB |
| 380107352 | Jun/25/2026 13:53 | lkotyaral | H - Don't Go Left | C++17 (GCC 7-32) | Accepted | 92 ms | 0 KB |
| 380107148 | Jun/25/2026 13:51 | lkotyaral | H - Don't Go Left | C++17 (GCC 7-32) | Runtime error on test 6 | 62 ms | 0 KB |
| 380105091 | Jun/25/2026 13:28 | lkotyaral | H - Don't Go Left | C++17 (GCC 7-32) | Wrong answer on test 13 | 62 ms | 0 KB |
| 380104536 | Jun/25/2026 13:23 | lkotyaral | H - Don't Go Left | C++17 (GCC 7-32) | Wrong answer on test 7 | 62 ms | 0 KB |
| 380104503 | Jun/25/2026 13:22 | lkotyaral | H - Don't Go Left | Python 3 | Compilation error | 0 ms | 0 KB |
| 380100259 | Jun/25/2026 12:39 | lkotyaral | D - Yet Another Digit | Python 3 | Accepted | 124 ms | 100 KB |
| 380100234 | Jun/25/2026 12:39 | lkotyaral | D - Yet Another Digit | C++17 (GCC 7-32) | Compilation error | 0 ms | 0 KB |
| 380092169 | Jun/25/2026 11:11 | lkotyaral | I - Railroad Sort | C++17 (GCC 7-32) | Accepted | 156 ms | 0 KB |
| 380088517 | Jun/25/2026 10:31 | lkotyaral | C - Yellow Code | C++17 (GCC 7-32) | Accepted | 62 ms | 0 KB |
| 380056373 | Jun/24/2026 22:38 | lkotyaral | C - Yellow Code | C++17 (GCC 7-32) | Wrong answer on test 6 | 62 ms | 0 KB |
| 367482804 | Mar/20/2026 16:13 | Antares_qwq | C - Yellow Code | C++20 (GCC 13-64) | Accepted | 62 ms | 0 KB |
| 367438564 | Mar/20/2026 07:55 | qwwqcy | E - Graduated Lexicographical Ordering | C++20 (GCC 13-64) | Time limit exceeded on test 60 | 1000 ms | 100 KB |
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