→ 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 |
|---|---|---|---|---|---|---|---|
| 388480112 | Aug/26/2026 17:59 | Sophis | H - Tickets | PyPy 3-64 | Wrong answer on test 13 | 124 ms | 2000 KB |
| 388479821 | Aug/26/2026 17:56 | Sophis | H - Tickets | C++20 (GCC 13-64) | Compilation error | 0 ms | 0 KB |
| 388479569 | Aug/26/2026 17:53 | Sophis | H - Tickets | C++20 (GCC 13-64) | Wrong answer on test 10 | 92 ms | 0 KB |
| 388479272 | Aug/26/2026 17:50 | Sophis | H - Tickets | C++20 (GCC 13-64) | Wrong answer on test 10 | 92 ms | 0 KB |
| 388461551 | Aug/26/2026 15:05 | Sophis | G - Robbers | C++20 (GCC 13-64) | Accepted | 62 ms | 100 KB |
| 388461433 | Aug/26/2026 15:04 | Sophis | G - Robbers | C++20 (GCC 13-64) | Wrong answer on test 1 | 30 ms | 0 KB |
| 388457032 | Aug/26/2026 15:02 | Sophis | G - Robbers | C++20 (GCC 13-64) | Compilation error | 0 ms | 0 KB |
| 388453554 | Aug/26/2026 14:28 | Sophis | F - Roads | C++20 (GCC 13-64) | Accepted | 62 ms | 100 KB |
| 388430314 | Aug/26/2026 10:23 | Sophis | E - Quantization Problem | C++20 (GCC 13-64) | Accepted | 186 ms | 100 KB |
| 388369081 | Aug/25/2026 18:12 | Sophis | D - Little Jumper | C++20 (GCC 13-64) | Time limit exceeded on test 2 | 500 ms | 0 KB |
| 388364909 | Aug/25/2026 17:33 | Sophis | D - Little Jumper | C++20 (GCC 13-64) | Wrong answer on test 2 | 30 ms | 100 KB |
| 388297132 | Aug/25/2026 04:07 | Sophis | D - Little Jumper | C++20 (GCC 13-64) | Wrong answer on test 1 | 62 ms | 0 KB |
| 388296859 | Aug/25/2026 03:58 | Sophis | D - Little Jumper | C++20 (GCC 13-64) | Wrong answer on test 1 | 62 ms | 100 KB |
| 388263914 | Aug/24/2026 19:13 | Sophis | C - Hyperhuffman | C++20 (GCC 13-64) | Accepted | 186 ms | 900 KB |
| 388260295 | Aug/24/2026 18:38 | Sophis | B - The Towers of Hanoi Revisited | C++20 (GCC 13-64) | Accepted | 92 ms | 200 KB |
| 388252705 | Aug/24/2026 17:25 | zhanglewei4598 | B - The Towers of Hanoi Revisited | C++20 (GCC 13-64) | Accepted | 92 ms | 2800 KB |
| 387742569 | Aug/20/2026 05:41 | Hangyu2011 | B - The Towers of Hanoi Revisited | C++17 (GCC 7-32) | Accepted | 62 ms | 200 KB |
| 387742475 | Aug/20/2026 05:39 | Hangyu2011 | B - The Towers of Hanoi Revisited | C++17 (GCC 7-32) | Memory limit exceeded on test 12 | 124 ms | 65500 KB |
| 387742402 | Aug/20/2026 05:38 | Hangyu2011 | B - The Towers of Hanoi Revisited | C++17 (GCC 7-32) | Memory limit exceeded on test 12 | 186 ms | 65500 KB |
| 387742138 | Aug/20/2026 05:32 | Hangyu2011 | B - The Towers of Hanoi Revisited | C++17 (GCC 7-32) | Wrong answer on test 1 | 30 ms | 200 KB |
| 387566857 | Aug/18/2026 16:36 | Sophis | A - Non Absorbing DFA | C++20 (GCC 13-64) | Accepted | 124 ms | 700 KB |
| 387473279 | Aug/17/2026 20:45 | Sophis | A - Non Absorbing DFA | C++20 (GCC 13-64) | Wrong answer on test 12 | 92 ms | 100 KB |
| 384193476 | Jul/25/2026 14:34 | WangCurry | G - Robbers | C++17 (GCC 7-32) | Accepted | 92 ms | 0 KB |
| 384193354 | Jul/25/2026 14:33 | WangCurry | G - Robbers | C++17 (GCC 7-32) | Compilation error | 0 ms | 0 KB |
| 384193022 | Jul/25/2026 14:30 | WangCurry | G - Robbers | C++20 (GCC 13-64) | Memory limit exceeded on test 1 | 374 ms | 65500 KB |
| 380467846 | Jun/28/2026 17:40 | lkotyaral | A - Non Absorbing DFA | Python 3 | Runtime error on test 1 | 124 ms | 2300 KB |
| 380465409 | Jun/28/2026 17:31 | lkotyaral | A - Non Absorbing DFA | Python 3 | Runtime error on test 2 | 124 ms | 2400 KB |
| 380464975 | Jun/28/2026 17:26 | lkotyaral | A - Non Absorbing DFA | C++17 (GCC 7-32) | Wrong answer on test 11 | 92 ms | 0 KB |
| 380464417 | Jun/28/2026 17:20 | lkotyaral | A - Non Absorbing DFA | C++17 (GCC 7-32) | Wrong answer on test 1 | 62 ms | 0 KB |
| 380463382 | Jun/28/2026 17:09 | lkotyaral | A - Non Absorbing DFA | C++17 (GCC 7-32) | Wrong answer on test 2 | 30 ms | 0 KB |
| 380463290 | Jun/28/2026 17:08 | lkotyaral | A - Non Absorbing DFA | C++17 (GCC 7-32) | Compilation error | 0 ms | 0 KB |
| 380463068 | Jun/28/2026 17:06 | lkotyaral | A - Non Absorbing DFA | C++17 (GCC 7-32) | Runtime error on test 2 | 0 ms | 0 KB |
| 380460224 | Jun/28/2026 16:33 | lkotyaral | A - Non Absorbing DFA | C++17 (GCC 7-32) | Wrong answer on test 3 | 62 ms | 0 KB |
| 379674955 | Jun/21/2026 11:52 | lkotyaral | G - Robbers | C++17 (GCC 7-32) | Runtime error on test 1 | 62 ms | 0 KB |
| 379674811 | Jun/21/2026 11:50 | lkotyaral | G - Robbers | C++17 (GCC 7-32) | Wrong answer on test 1 | 62 ms | 0 KB |
| 379674533 | Jun/21/2026 11:48 | lkotyaral | G - Robbers | C++17 (GCC 7-32) | Runtime error on test 1 | 30 ms | 0 KB |
| 379674352 | Jun/21/2026 11:46 | lkotyaral | G - Robbers | C++17 (GCC 7-32) | Wrong answer on test 1 | 30 ms | 0 KB |
| 379674049 | Jun/21/2026 11:43 | lkotyaral | G - Robbers | C++17 (GCC 7-32) | Runtime error on test 1 | 30 ms | 0 KB |
| 379673746 | Jun/21/2026 11:39 | lkotyaral | G - Robbers | C++17 (GCC 7-32) | Runtime error on test 1 | 62 ms | 0 KB |
| 379673633 | Jun/21/2026 11:38 | lkotyaral | G - Robbers | C++17 (GCC 7-32) | Runtime error on test 1 | 0 ms | 0 KB |
| 379673327 | Jun/21/2026 11:34 | lkotyaral | G - Robbers | C++17 (GCC 7-32) | Runtime error on test 1 | 30 ms | 0 KB |
| 379671417 | Jun/21/2026 11:15 | lkotyaral | C - Hyperhuffman | C++17 (GCC 7-32) | Accepted | 250 ms | 500 KB |
| 379669803 | Jun/21/2026 10:58 | lkotyaral | C - Hyperhuffman | C++17 (GCC 7-32) | Time limit exceeded on test 15 | 500 ms | 16500 KB |
| 379669649 | Jun/21/2026 10:56 | lkotyaral | C - Hyperhuffman | C++17 (GCC 7-32) | Time limit exceeded on test 15 | 500 ms | 16600 KB |
| 379669527 | Jun/21/2026 10:55 | lkotyaral | C - Hyperhuffman | C++17 (GCC 7-32) | Time limit exceeded on test 15 | 500 ms | 16600 KB |
| 375886096 | May/24/2026 07:20 | lyh3.14 | A - Non Absorbing DFA | C++23 (GCC 14-64, msys2) | Time limit exceeded on test 23 | 1000 ms | 29100 KB |
| 375886007 | May/24/2026 07:18 | lyh3.14 | A - Non Absorbing DFA | C++23 (GCC 14-64, msys2) | Wrong answer on test 14 | 280 ms | 1900 KB |
| 375885912 | May/24/2026 07:16 | lyh3.14 | A - Non Absorbing DFA | C++23 (GCC 14-64, msys2) | Time limit exceeded on test 23 | 1000 ms | 11200 KB |
| 375885500 | May/24/2026 07:09 | lyh3.14 | A - Non Absorbing DFA | C++23 (GCC 14-64, msys2) | Time limit exceeded on test 14 | 1000 ms | 21300 KB |
| 375885487 | May/24/2026 07:08 | lyh3.14 | A - Non Absorbing DFA | C++23 (GCC 14-64, msys2) | Accepted | 1000 ms | 45800 KB |
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