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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 |
|---|---|---|---|---|---|---|---|
| 371709407 | Apr/19/2026 05:19 | qwwqcy | B - Cryptography | C++20 (GCC 13-64) | Accepted | 530 ms | 44400 KB |
| 368208307 | Mar/26/2026 05:24 | qwwqcy | H - Oil Deal | C++20 (GCC 13-64) | Time limit exceeded on test 10 | 1000 ms | 27800 KB |
| 368208270 | Mar/26/2026 05:23 | qwwqcy | H - Oil Deal | C++20 (GCC 13-64) | Accepted | 718 ms | 1300 KB |
| 368208205 | Mar/26/2026 05:22 | qwwqcy | H - Oil Deal | C++20 (GCC 13-64) | Accepted | 750 ms | 13500 KB |
| 368091373 | Mar/25/2026 05:40 | qwwqcy | A - Nonoptimal Assignments | C++20 (GCC 13-64) | Accepted | 62 ms | 0 KB |
| 368091230 | Mar/25/2026 05:36 | qwwqcy | A - Nonoptimal Assignments | C++20 (GCC 13-64) | Accepted | 62 ms | 0 KB |
| 368091212 | Mar/25/2026 05:36 | qwwqcy | A - Nonoptimal Assignments | C++20 (GCC 13-64) | Accepted | 62 ms | 0 KB |
| 367972681 | Mar/24/2026 09:08 | chenwz | I - Bishops on a Toral Board | C++20 (GCC 13-64) | Accepted | 92 ms | 100 KB |
| 367968429 | Mar/24/2026 08:07 | chenwz | I - Bishops on a Toral Board | C++20 (GCC 13-64) | Compilation error | 0 ms | 0 KB |
| 367962758 | Mar/24/2026 06:17 | chenwz | I - Bishops on a Toral Board | C++20 (GCC 13-64) | Accepted | 92 ms | 0 KB |
| 367962525 | Mar/24/2026 06:12 | chenwz | H - Oil Deal | C++20 (GCC 13-64) | Accepted | 218 ms | 3800 KB |
| 367962461 | Mar/24/2026 06:11 | chenwz | H - Oil Deal | C++20 (GCC 13-64) | Wrong answer on test 1 | 0 ms | 0 KB |
| 367962311 | Mar/24/2026 06:08 | chenwz | H - Oil Deal | C++20 (GCC 13-64) | Accepted | 250 ms | 3700 KB |
| 367962281 | Mar/24/2026 06:07 | chenwz | H - Oil Deal | C++20 (GCC 13-64) | Compilation error | 0 ms | 0 KB |
| 367962222 | Mar/24/2026 06:06 | chenwz | H - Oil Deal | C++20 (GCC 13-64) | Compilation error | 0 ms | 0 KB |
| 367961970 | Mar/24/2026 06:00 | chenwz | H - Oil Deal | C++20 (GCC 13-64) | Accepted | 342 ms | 5500 KB |
| 367961853 | Mar/24/2026 05:57 | chenwz | H - Oil Deal | C++20 (GCC 13-64) | Wrong answer on test 1 | 0 ms | 200 KB |
| 367961773 | Mar/24/2026 05:55 | chenwz | C - Fibonacci Subsequence | C++20 (GCC 13-64) | Accepted | 468 ms | 34800 KB |
| 367961355 | Mar/24/2026 05:46 | chenwz | C - Fibonacci Subsequence | C++20 (GCC 13-64) | Accepted | 312 ms | 35400 KB |
| 367961264 | Mar/24/2026 05:44 | chenwz | A - Nonoptimal Assignments | C++20 (GCC 13-64) | Accepted | 92 ms | 0 KB |
| 367961125 | Mar/24/2026 05:41 | chenwz | A - Nonoptimal Assignments | C++20 (GCC 13-64) | Accepted | 92 ms | 100 KB |
| 367960902 | Mar/24/2026 05:36 | chenwz | B - Cryptography | C++20 (GCC 13-64) | Accepted | 500 ms | 22100 KB |
| 367960881 | Mar/24/2026 05:35 | chenwz | B - Cryptography | C++20 (GCC 13-64) | Compilation error | 0 ms | 0 KB |
| 367960648 | Mar/24/2026 05:29 | chenwz | B - Cryptography | C++20 (GCC 13-64) | Accepted | 186 ms | 100 KB |
| 367754647 | Mar/22/2026 12:17 | qwwqcy | E - Strange Limit | C++20 (GCC 13-64) | Accepted | 92 ms | 100 KB |
| 367754522 | Mar/22/2026 12:16 | qwwqcy | I - Bishops on a Toral Board | C++20 (GCC 13-64) | Accepted | 92 ms | 0 KB |
| 367754362 | Mar/22/2026 12:14 | qwwqcy | H - Oil Deal | C++20 (GCC 13-64) | Accepted | 718 ms | 6100 KB |
| 367754183 | Mar/22/2026 12:12 | qwwqcy | C - Fibonacci Subsequence | C++20 (GCC 13-64) | Accepted | 530 ms | 35400 KB |
| 367753934 | Mar/22/2026 12:10 | qwwqcy | B - Cryptography | C++20 (GCC 13-64) | Accepted | 530 ms | 9400 KB |
| 367753725 | Mar/22/2026 12:08 | qwwqcy | A - Nonoptimal Assignments | C++20 (GCC 13-64) | Accepted | 62 ms | 0 KB |
| 358706990 | Jan/19/2026 10:42 | coderdyh | G - Network Wars | C++23 (GCC 14-64, msys2) | Accepted | 124 ms | 200 KB |
| 357702110 | Jan/13/2026 15:57 | coderdyh | G - Network Wars | C++23 (GCC 14-64, msys2) | Wrong answer on test 7 | 30 ms | 100 KB |
| 357702527 | Jan/13/2026 16:00 | coderdyh | G - Network Wars | C++23 (GCC 14-64, msys2) | Rejected on test 30 | 0 ms | 0 KB |
| 357702072 | Jan/13/2026 15:57 | coderdyh | G - Network Wars | C++23 (GCC 14-64, msys2) | Wrong answer on test 7 | 62 ms | 100 KB |
| 357701783 | Jan/13/2026 15:55 | coderdyh | G - Network Wars | C++23 (GCC 14-64, msys2) | Wrong answer on test 4 | 62 ms | 100 KB |
| 357701762 | Jan/13/2026 15:55 | coderdyh | G - Network Wars | C++23 (GCC 14-64, msys2) | Wrong answer on test 4 | 62 ms | 100 KB |
| 357701154 | Jan/13/2026 15:50 | coderdyh | G - Network Wars | C++23 (GCC 14-64, msys2) | Wrong answer on test 1 | 30 ms | 100 KB |
| 355168869 | Dec/26/2025 15:22 | ThaNikiso | G - Network Wars | C++17 (GCC 7-32) | Accepted | 92 ms | 23600 KB |
| 355168643 | Dec/26/2025 15:20 | ThaNikiso | G - Network Wars | C++17 (GCC 7-32) | Wrong answer on test 1 | 30 ms | 23500 KB |
| 355168334 | Dec/26/2025 15:17 | ThaNikiso | G - Network Wars | C++17 (GCC 7-32) | Accepted | 92 ms | 23600 KB |
| 355168206 | Dec/26/2025 15:16 | ThaNikiso | G - Network Wars | C++17 (GCC 7-32) | Time limit exceeded on test 1 | 1000 ms | 23500 KB |
| 355168172 | Dec/26/2025 15:16 | ThaNikiso | G - Network Wars | C++17 (GCC 7-32) | Time limit exceeded on test 1 | 1000 ms | 23500 KB |
| 355167939 | Dec/26/2025 15:14 | ThaNikiso | G - Network Wars | C++17 (GCC 7-32) | Wrong answer on test 1 | 30 ms | 23500 KB |
| 355166552 | Dec/26/2025 15:02 | ThaNikiso | G - Network Wars | C++17 (GCC 7-32) | Wrong answer on test 1 | 30 ms | 23600 KB |
| 355064831 | Dec/25/2025 17:22 | ThaNikiso | G - Network Wars | C++17 (GCC 7-32) | Wrong answer on test 1 | 92 ms | 23500 KB |
| 355064124 | Dec/25/2025 17:16 | ThaNikiso | G - Network Wars | C++17 (GCC 7-32) | Wrong answer on test 1 | 30 ms | 23500 KB |
| 355063810 | Dec/25/2025 17:13 | ThaNikiso | G - Network Wars | C++17 (GCC 7-32) | Time limit exceeded on test 1 | 1000 ms | 23500 KB |
| 355063566 | Dec/25/2025 17:11 | ThaNikiso | G - Network Wars | C++17 (GCC 7-32) | Time limit exceeded on test 1 | 1000 ms | 23500 KB |
| 355063424 | Dec/25/2025 17:10 | ThaNikiso | G - Network Wars | C++17 (GCC 7-32) | Time limit exceeded on test 1 | 1000 ms | 23500 KB |
| 355063093 | Dec/25/2025 17:07 | ThaNikiso | G - Network Wars | C++17 (GCC 7-32) | Time limit exceeded on test 1 | 1000 ms | 23500 KB |
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