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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 |
|---|---|---|---|---|---|---|---|
| 372916144 | Apr/29/2026 09:45 | Chen_ri_kang | A - Kingdom Division | C++17 (GCC 7-32) | Accepted | 124 ms | 5300 KB |
| 372916100 | Apr/29/2026 09:44 | Chen_ri_kang | A - Kingdom Division | C++17 (GCC 7-32) | Accepted | 92 ms | 5300 KB |
| 372915632 | Apr/29/2026 09:38 | Chen_ri_kang | A - Kingdom Division | C++17 (GCC 7-32) | Wrong answer on test 13 | 92 ms | 5300 KB |
| 372914552 | Apr/29/2026 09:23 | ukbwyx | A - Kingdom Division | C++20 (GCC 13-64) | Accepted | 92 ms | 1300 KB |
| 372779902 | Apr/28/2026 10:25 | Zheng_iii | E - Convex Permutominoes | C++20 (GCC 13-64) | Accepted | 92 ms | 100 KB |
| 372779840 | Apr/28/2026 10:24 | Zheng_iii | E - Convex Permutominoes | C++20 (GCC 13-64) | Wrong answer on test 1 | 62 ms | 0 KB |
| 372299404 | Apr/24/2026 04:36 | chenwz | J - Wheels within Wheels | C++20 (GCC 13-64) | Accepted | 92 ms | 100 KB |
| 372299277 | Apr/24/2026 04:32 | chenwz | J - Wheels within Wheels | C++20 (GCC 13-64) | Wrong answer on test 1 | 62 ms | 0 KB |
| 372297142 | Apr/24/2026 03:15 | chenwz | H - Truth is in the... | C++20 (GCC 13-64) | Accepted | 92 ms | 0 KB |
| 372267021 | Apr/23/2026 19:03 | chenwz | J - Wheels within Wheels | C++20 (GCC 13-64) | Accepted | 124 ms | 87100 KB |
| 372266774 | Apr/23/2026 19:01 | chenwz | J - Wheels within Wheels | C++20 (GCC 13-64) | Wrong answer on test 1 | 30 ms | 0 KB |
| 372266720 | Apr/23/2026 19:01 | chenwz | J - Wheels within Wheels | C++20 (GCC 13-64) | Compilation error | 0 ms | 0 KB |
| 372260067 | Apr/23/2026 18:00 | chenwz | F - Substring Search | C++20 (GCC 13-64) | Time limit exceeded on test 29 | 2000 ms | 215300 KB |
| 372259582 | Apr/23/2026 17:55 | chenwz | F - Substring Search | C++20 (GCC 13-64) | Time limit exceeded on test 30 | 2000 ms | 215300 KB |
| 372258698 | Apr/23/2026 17:47 | chenwz | F - Substring Search | C++20 (GCC 13-64) | Wrong answer on test 1 | 62 ms | 0 KB |
| 372248754 | Apr/23/2026 16:27 | chenwz | C - Late Again | C++20 (GCC 13-64) | Accepted | 780 ms | 0 KB |
| 372248111 | Apr/23/2026 16:22 | chenwz | B - Financial Software | C++20 (GCC 13-64) | Accepted | 562 ms | 6200 KB |
| 372248008 | Apr/23/2026 16:21 | chenwz | B - Financial Software | C++20 (GCC 13-64) | Wrong answer on test 1 | 30 ms | 0 KB |
| 372247298 | Apr/23/2026 16:15 | chenwz | B - Financial Software | C++20 (GCC 13-64) | Accepted | 624 ms | 6200 KB |
| 372229066 | Apr/23/2026 13:27 | chenwz | F - Substring Search | C++20 (GCC 13-64) | Accepted | 1936 ms | 215300 KB |
| 372228645 | Apr/23/2026 13:22 | chenwz | H - Truth is in the... | C++20 (GCC 13-64) | Accepted | 92 ms | 100 KB |
| 372227581 | Apr/23/2026 13:11 | chenwz | E - Convex Permutominoes | C++20 (GCC 13-64) | Accepted | 92 ms | 100 KB |
| 372227390 | Apr/23/2026 13:08 | chenwz | H - Truth is in the... | C++20 (GCC 13-64) | Runtime error on test 1 | 30 ms | 0 KB |
| 372227276 | Apr/23/2026 13:07 | chenwz | H - Truth is in the... | C++20 (GCC 13-64) | Compilation error | 0 ms | 0 KB |
| 372226784 | Apr/23/2026 13:01 | chenwz | F - Substring Search | C++20 (GCC 13-64) | Time limit exceeded on test 24 | 2000 ms | 215400 KB |
| 372225791 | Apr/23/2026 12:50 | chenwz | F - Substring Search | C++20 (GCC 13-64) | Accepted | 2000 ms | 215300 KB |
| 372224756 | Apr/23/2026 12:48 | chenwz | I - Video on Demand | C++20 (GCC 13-64) | Accepted | 92 ms | 0 KB |
| 372221844 | Apr/23/2026 12:48 | chenwz | C - Late Again | C++20 (GCC 13-64) | Accepted | 812 ms | 100 KB |
| 372221619 | Apr/23/2026 12:46 | chenwz | B - Financial Software | C++20 (GCC 13-64) | Accepted | 562 ms | 6200 KB |
| 371211311 | Apr/15/2026 09:19 | qwwqcy | C - Late Again | C++20 (GCC 13-64) | Accepted | 280 ms | 400 KB |
| 371210503 | Apr/15/2026 09:18 | qwwqcy | C - Late Again | C++20 (GCC 13-64) | Accepted | 436 ms | 0 KB |
| 371209619 | Apr/15/2026 09:16 | qwwqcy | C - Late Again | C++20 (GCC 13-64) | Wrong answer on test 16 | 92 ms | 1100 KB |
| 371208690 | Apr/15/2026 09:13 | qwwqcy | H - Truth is in the... | C++20 (GCC 13-64) | Accepted | 92 ms | 1700 KB |
| 371208598 | Apr/15/2026 09:12 | qwwqcy | H - Truth is in the... | C++20 (GCC 13-64) | Compilation error | 0 ms | 0 KB |
| 371208438 | Apr/15/2026 09:09 | qwwqcy | H - Truth is in the... | C++20 (GCC 13-64) | Accepted | 124 ms | 1700 KB |
| 371208361 | Apr/15/2026 09:08 | qwwqcy | H - Truth is in the... | C++20 (GCC 13-64) | Compilation error | 0 ms | 0 KB |
| 371201452 | Apr/15/2026 07:22 | qwwqcy | C - Late Again | C++20 (GCC 13-64) | Wrong answer on test 16 | 92 ms | 1100 KB |
| 371201264 | Apr/15/2026 07:20 | qwwqcy | J - Wheels within Wheels | C++20 (GCC 13-64) | Accepted | 92 ms | 87100 KB |
| 371201137 | Apr/15/2026 07:18 | qwwqcy | J - Wheels within Wheels | C++20 (GCC 13-64) | Accepted | 124 ms | 87100 KB |
| 371201093 | Apr/15/2026 07:17 | qwwqcy | H - Truth is in the... | C++20 (GCC 13-64) | Compilation error | 0 ms | 0 KB |
| 371201043 | Apr/15/2026 07:17 | qwwqcy | I - Video on Demand | C++20 (GCC 13-64) | Accepted | 92 ms | 0 KB |
| 371200956 | Apr/15/2026 07:16 | qwwqcy | F - Substring Search | C++20 (GCC 13-64) | Accepted | 1936 ms | 240800 KB |
| 371200936 | Apr/15/2026 07:15 | qwwqcy | I - Video on Demand | C++20 (GCC 13-64) | Accepted | 124 ms | 0 KB |
| 371200722 | Apr/15/2026 07:12 | qwwqcy | F - Substring Search | C++20 (GCC 13-64) | Accepted | 1842 ms | 240800 KB |
| 371200647 | Apr/15/2026 07:11 | qwwqcy | E - Convex Permutominoes | C++20 (GCC 13-64) | Accepted | 92 ms | 400 KB |
| 371200550 | Apr/15/2026 07:09 | qwwqcy | E - Convex Permutominoes | C++20 (GCC 13-64) | Accepted | 62 ms | 400 KB |
| 371200411 | Apr/15/2026 07:07 | qwwqcy | C - Late Again | C++20 (GCC 13-64) | Wrong answer on test 16 | 92 ms | 1100 KB |
| 371198862 | Apr/15/2026 06:40 | qwwqcy | C - Late Again | C++20 (GCC 13-64) | Wrong answer on test 16 | 92 ms | 1100 KB |
| 371198711 | Apr/15/2026 06:38 | qwwqcy | B - Financial Software | C++20 (GCC 13-64) | Accepted | 436 ms | 36800 KB |
| 371198621 | Apr/15/2026 06:36 | qwwqcy | B - Financial Software | C++20 (GCC 13-64) | Accepted | 436 ms | 36800 KB |
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