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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 |
|---|---|---|---|---|---|---|---|
| 394259860 | Oct/12/2026 13:27 | chenwz | D - Avoiding Partitions | Python 3 | Accepted | 436 ms | 300 KB |
| 394251573 | Oct/12/2026 12:09 | chenwz | I - Triangular Tiling | C++17 (GCC 7-32) | Accepted | 124 ms | 0 KB |
| 394251497 | Oct/12/2026 12:09 | chenwz | C - Nothing on TV | C++17 (GCC 7-32) | Accepted | 218 ms | 0 KB |
| 393047673 | Oct/03/2026 11:53 | wfgejunyi | F - Reversing Prefixes | C++23 (GCC 14-64, msys2) | Accepted | 124 ms | 0 KB |
| 393047571 | Oct/03/2026 11:52 | wfgejunyi | F - Reversing Prefixes | C++23 (GCC 14-64, msys2) | Wrong answer on test 1 | 30 ms | 0 KB |
| 392999911 | Oct/02/2026 22:20 | alextigau | G - Inverse Range Minimum Query | C++17 (GCC 7-32) | Accepted | 250 ms | 2300 KB |
| 392999794 | Oct/02/2026 22:19 | alextigau | G - Inverse Range Minimum Query | C++17 (GCC 7-32) | Wrong answer on test 1 | 30 ms | 2200 KB |
| 391230207 | Sep/19/2026 15:51 | GYqun1 | F - Reversing Prefixes | C++17 (GCC 7-32) | Accepted | 124 ms | 0 KB |
| 391230098 | Sep/19/2026 15:50 | GYqun1 | F - Reversing Prefixes | C++17 (GCC 7-32) | Accepted | 124 ms | 0 KB |
| 391229920 | Sep/19/2026 15:48 | GYqun1 | F - Reversing Prefixes | C++17 (GCC 7-32) | Wrong answer on test 1 | 30 ms | 0 KB |
| 391229741 | Sep/19/2026 15:47 | GYqun1 | F - Reversing Prefixes | C++17 (GCC 7-32) | Wrong answer on test 1 | 62 ms | 0 KB |
| 391228907 | Sep/19/2026 15:38 | albertting | F - Reversing Prefixes | C++23 (GCC 14-64, msys2) | Accepted | 874 ms | 9100 KB |
| 391224585 | Sep/19/2026 14:52 | guruiguhaihua | F - Reversing Prefixes | C++23 (GCC 14-64, msys2) | Accepted | 218 ms | 0 KB |
| 391223780 | Sep/19/2026 14:44 | duxingpeng | F - Reversing Prefixes | C++23 (GCC 14-64, msys2) | Accepted | 1092 ms | 47000 KB |
| 391223736 | Sep/19/2026 14:43 | duxingpeng | F - Reversing Prefixes | C++23 (GCC 14-64, msys2) | Accepted | 1092 ms | 47000 KB |
| 391223596 | Sep/19/2026 14:41 | duxingpeng | F - Reversing Prefixes | C++23 (GCC 14-64, msys2) | Wrong answer on test 17 | 1030 ms | 47000 KB |
| 391223502 | Sep/19/2026 14:40 | Antares_qwq | F - Reversing Prefixes | C++23 (GCC 14-64, msys2) | Accepted | 92 ms | 0 KB |
| 391223408 | Sep/19/2026 14:39 | Antares_qwq | F - Reversing Prefixes | C++23 (GCC 14-64, msys2) | Accepted | 124 ms | 0 KB |
| 391223304 | Sep/19/2026 14:38 | Antares_qwq | F - Reversing Prefixes | C++23 (GCC 14-64, msys2) | Wrong answer on test 1 | 30 ms | 0 KB |
| 391223317 | Sep/19/2026 14:38 | sto_HXY_orz | F - Reversing Prefixes | C++23 (GCC 14-64, msys2) | Accepted | 124 ms | 0 KB |
| 391222861 | Sep/19/2026 14:34 | duxingpeng | F - Reversing Prefixes | C++23 (GCC 14-64, msys2) | Wrong answer on test 6 | 62 ms | 47000 KB |
| 391222742 | Sep/19/2026 14:33 | duxingpeng | F - Reversing Prefixes | C++23 (GCC 14-64, msys2) | Wrong answer on test 6 | 62 ms | 47000 KB |
| 391221884 | Sep/19/2026 14:24 | albertting | F - Reversing Prefixes | C++23 (GCC 14-64, msys2) | Accepted | 968 ms | 9100 KB |
| 391221861 | Sep/19/2026 14:24 | Da_Tianlang | F - Reversing Prefixes | C++17 (GCC 7-32) | Accepted | 124 ms | 0 KB |
| 391221281 | Sep/19/2026 14:17 | albertting | F - Reversing Prefixes | C++23 (GCC 14-64, msys2) | Wrong answer on test 18 | 342 ms | 9100 KB |
| 391221221 | Sep/19/2026 14:17 | Fiary | F - Reversing Prefixes | C++23 (GCC 14-64, msys2) | Accepted | 92 ms | 0 KB |
| 391221195 | Sep/19/2026 14:17 | ChuanxNi | F - Reversing Prefixes | C++17 (GCC 7-32) | Accepted | 250 ms | 0 KB |
| 391221061 | Sep/19/2026 14:15 | albertting | F - Reversing Prefixes | C++23 (GCC 14-64, msys2) | Wrong answer on test 1 | 30 ms | 0 KB |
| 391220921 | Sep/19/2026 14:13 | N1tr0us_Acid | F - Reversing Prefixes | C++17 (GCC 7-32) | Accepted | 92 ms | 0 KB |
| 391220899 | Sep/19/2026 14:13 | N1tr0us_Acid | F - Reversing Prefixes | C++17 (GCC 7-32) | Accepted | 92 ms | 0 KB |
| 391220818 | Sep/19/2026 14:12 | N1tr0us_Acid | F - Reversing Prefixes | C++17 (GCC 7-32) | Wrong answer on test 1 | 30 ms | 0 KB |
| 391220733 | Sep/19/2026 14:11 | albertting | F - Reversing Prefixes | C++23 (GCC 14-64, msys2) | Wrong answer on test 1 | 30 ms | 0 KB |
| 391220158 | Sep/19/2026 14:05 | ukbwyx | F - Reversing Prefixes | C++20 (GCC 13-64) | Accepted | 92 ms | 0 KB |
| 391220076 | Sep/19/2026 14:05 | ukbwyx | F - Reversing Prefixes | C++20 (GCC 13-64) | Accepted | 62 ms | 0 KB |
| 391219945 | Sep/19/2026 14:03 | albertting | F - Reversing Prefixes | C++23 (GCC 14-64, msys2) | Wrong answer on test 1 | 30 ms | 0 KB |
| 391219595 | Sep/19/2026 13:59 | CRqwq | F - Reversing Prefixes | C++23 (GCC 14-64, msys2) | Accepted | 92 ms | 0 KB |
| 389590135 | Sep/05/2026 22:50 | HFTilted: 300iq, andreyDagger# | J - Wikipidia | C++23 (GCC 14-64, msys2) | Accepted | 312 ms | 51400 KB |
| 389588496 | Sep/05/2026 22:26 | HFTilted: 300iq, andreyDagger# | I - Triangular Tiling | C++23 (GCC 14-64, msys2) | Accepted | 92 ms | 100 KB |
| 389586609 | Sep/05/2026 22:00 | HFTilted: 300iq, andreyDagger# | E - Points and Lines | C++23 (GCC 14-64, msys2) | Accepted | 92 ms | 300 KB |
| 389586539 | Sep/05/2026 21:59 | HFTilted: 300iq, andreyDagger# | C - Nothing on TV | C++23 (GCC 14-64, msys2) | Accepted | 436 ms | 100 KB |
| 389586399 | Sep/05/2026 21:57 | HFTilted: 300iq, andreyDagger# | E - Points and Lines | C++23 (GCC 14-64, msys2) | Wrong answer on test 6 | 124 ms | 300 KB |
| 389586402 | Sep/05/2026 21:57 | HFTilted: 300iq, andreyDagger# | C - Nothing on TV | C++23 (GCC 14-64, msys2) | Wrong answer on test 8 | 62 ms | 0 KB |
| 389586324 | Sep/05/2026 21:56 | HFTilted: 300iq, andreyDagger# | E - Points and Lines | C++23 (GCC 14-64, msys2) | Wrong answer on test 6 | 62 ms | 300 KB |
| 389586263 | Sep/05/2026 21:56 | HFTilted: 300iq, andreyDagger# | E - Points and Lines | C++23 (GCC 14-64, msys2) | Wrong answer on test 7 | 62 ms | 300 KB |
| 389585402 | Sep/05/2026 21:45 | HFTilted: 300iq, andreyDagger# | B - Minimal Matrix | C++23 (GCC 14-64, msys2) | Accepted | 1468 ms | 100 KB |
| 389582748 | Sep/05/2026 21:37 | HFTilted: 300iq, andreyDagger# | A - Graph Theory | C++23 (GCC 14-64, msys2) | Accepted | 500 ms | 100 KB |
| 389582590 | Sep/05/2026 21:35 | HFTilted: 300iq, andreyDagger# | A - Graph Theory | C++23 (GCC 14-64, msys2) | Time limit exceeded on test 33 | 2000 ms | 100 KB |
| 389582497 | Sep/05/2026 21:34 | HFTilted: 300iq, andreyDagger# | A - Graph Theory | C++23 (GCC 14-64, msys2) | Time limit exceeded on test 29 | 2000 ms | 100 KB |
| 389582447 | Sep/05/2026 21:33 | HFTilted: 300iq, andreyDagger# | A - Graph Theory | C++23 (GCC 14-64, msys2) | Time limit exceeded on test 29 | 2000 ms | 100 KB |
| 389581627 | Sep/05/2026 21:25 | HFTilted: 300iq, andreyDagger# | F - Reversing Prefixes | C++23 (GCC 14-64, msys2) | Accepted | 92 ms | 100 KB |
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