→ 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 |
|---|---|---|---|---|---|---|---|
| 371446443 | Apr/17/2026 05:29 | chenwz | F - Integer Packing | C++20 (GCC 13-64) | Accepted | 62 ms | 100 KB |
| 371446131 | Apr/17/2026 05:21 | chenwz | H - SETI | C++20 (GCC 13-64) | Accepted | 656 ms | 1200 KB |
| 371444987 | Apr/17/2026 04:48 | chenwz | H - SETI | C++20 (GCC 13-64) | Time limit exceeded on test 7 | 1000 ms | 200 KB |
| 371444884 | Apr/17/2026 04:45 | chenwz | H - SETI | C++20 (GCC 13-64) | Time limit exceeded on test 7 | 1000 ms | 100 KB |
| 371441722 | Apr/17/2026 02:58 | chenwz | B - Diversion | C++20 (GCC 13-64) | Accepted | 156 ms | 700 KB |
| 371441701 | Apr/17/2026 02:57 | chenwz | G - Rectangular Polygon | C++20 (GCC 13-64) | Accepted | 124 ms | 28300 KB |
| 371441209 | Apr/17/2026 02:36 | chenwz | G - Rectangular Polygon | C++20 (GCC 13-64) | Wrong answer on test 1 | 30 ms | 0 KB |
| 371441188 | Apr/17/2026 02:35 | chenwz | G - Rectangular Polygon | C++20 (GCC 13-64) | Compilation error | 0 ms | 0 KB |
| 371344198 | Apr/16/2026 11:04 | chenwz | E - Nice Sequence | C++20 (GCC 13-64) | Accepted | 124 ms | 100 KB |
| 371344146 | Apr/16/2026 11:03 | chenwz | E - Nice Sequence | C++20 (GCC 13-64) | Compilation error | 0 ms | 0 KB |
| 371342938 | Apr/16/2026 10:51 | chenwz | I - Sum vs Product | C++20 (GCC 13-64) | Accepted | 92 ms | 100 KB |
| 371341215 | Apr/16/2026 10:34 | chenwz | I - Sum vs Product | C++20 (GCC 13-64) | Accepted | 92 ms | 100 KB |
| 371333797 | Apr/16/2026 09:07 | chenwz | I - Sum vs Product | C++20 (GCC 13-64) | Accepted | 218 ms | 0 KB |
| 371333744 | Apr/16/2026 09:06 | chenwz | E - Nice Sequence | C++20 (GCC 13-64) | Accepted | 656 ms | 3200 KB |
| 371333723 | Apr/16/2026 09:06 | chenwz | G - Rectangular Polygon | C++20 (GCC 13-64) | Accepted | 62 ms | 34500 KB |
| 371333621 | Apr/16/2026 09:05 | chenwz | B - Diversion | C++20 (GCC 13-64) | Accepted | 280 ms | 2800 KB |
| 371333596 | Apr/16/2026 09:05 | chenwz | H - SETI | C++20 (GCC 13-64) | Accepted | 124 ms | 3000 KB |
| 371333586 | Apr/16/2026 09:04 | chenwz | F - Integer Packing | C++20 (GCC 13-64) | Accepted | 92 ms | 0 KB |
| 371333561 | Apr/16/2026 09:04 | chenwz | C - Hex | C++20 (GCC 13-64) | Accepted | 656 ms | 9500 KB |
| 371179746 | Apr/14/2026 22:53 | qwwqcy | D - Monotone Gray Code | C++20 (GCC 13-64) | Time limit exceeded on test 8 | 1000 ms | 0 KB |
| 370762231 | Apr/12/2026 08:18 | qwwqcy | D - Monotone Gray Code | C++20 (GCC 13-64) | Time limit exceeded on test 8 | 1000 ms | 600 KB |
| 370762100 | Apr/12/2026 08:16 | qwwqcy | D - Monotone Gray Code | C++20 (GCC 13-64) | Time limit exceeded on test 8 | 1000 ms | 0 KB |
| 370615482 | Apr/11/2026 05:45 | qwwqcy | D - Monotone Gray Code | C++20 (GCC 13-64) | Wrong answer on test 4 | 62 ms | 100 KB |
| 370615375 | Apr/11/2026 05:43 | qwwqcy | D - Monotone Gray Code | C++20 (GCC 13-64) | Time limit exceeded on test 8 | 1000 ms | 600 KB |
| 370614906 | Apr/11/2026 05:34 | qwwqcy | D - Monotone Gray Code | C++20 (GCC 13-64) | Time limit exceeded on test 8 | 1000 ms | 600 KB |
| 370614642 | Apr/11/2026 05:29 | qwwqcy | D - Monotone Gray Code | C++20 (GCC 13-64) | Time limit exceeded on test 8 | 1000 ms | 100 KB |
| 370510559 | Apr/10/2026 10:47 | qwwqcy | C - Hex | C++20 (GCC 13-64) | Accepted | 656 ms | 9500 KB |
| 370510405 | Apr/10/2026 10:46 | qwwqcy | C - Hex | C++20 (GCC 13-64) | Accepted | 250 ms | 600 KB |
| 370510222 | Apr/10/2026 10:43 | qwwqcy | J - Superposition | C++20 (GCC 13-64) | Accepted | 562 ms | 7000 KB |
| 370510154 | Apr/10/2026 10:42 | qwwqcy | J - Superposition | C++20 (GCC 13-64) | Accepted | 562 ms | 7100 KB |
| 370510033 | Apr/10/2026 10:41 | qwwqcy | I - Sum vs Product | C++20 (GCC 13-64) | Accepted | 156 ms | 100 KB |
| 370509849 | Apr/10/2026 10:38 | qwwqcy | I - Sum vs Product | C++20 (GCC 13-64) | Accepted | 186 ms | 100 KB |
| 370509758 | Apr/10/2026 10:37 | qwwqcy | H - SETI | C++20 (GCC 13-64) | Accepted | 92 ms | 3000 KB |
| 370509679 | Apr/10/2026 10:36 | qwwqcy | H - SETI | C++20 (GCC 13-64) | Accepted | 92 ms | 3000 KB |
| 370509520 | Apr/10/2026 10:34 | qwwqcy | G - Rectangular Polygon | C++20 (GCC 13-64) | Accepted | 92 ms | 34500 KB |
| 370509376 | Apr/10/2026 10:33 | qwwqcy | G - Rectangular Polygon | C++20 (GCC 13-64) | Accepted | 92 ms | 34600 KB |
| 370509291 | Apr/10/2026 10:32 | qwwqcy | F - Integer Packing | C++20 (GCC 13-64) | Accepted | 92 ms | 0 KB |
| 370509142 | Apr/10/2026 10:30 | qwwqcy | F - Integer Packing | C++20 (GCC 13-64) | Accepted | 124 ms | 0 KB |
| 370508929 | Apr/10/2026 10:28 | qwwqcy | E - Nice Sequence | C++20 (GCC 13-64) | Accepted | 686 ms | 3200 KB |
| 370508812 | Apr/10/2026 10:27 | qwwqcy | E - Nice Sequence | C++20 (GCC 13-64) | Accepted | 750 ms | 3200 KB |
| 370508715 | Apr/10/2026 10:26 | qwwqcy | B - Diversion | C++20 (GCC 13-64) | Accepted | 312 ms | 2800 KB |
| 370507948 | Apr/10/2026 10:17 | qwwqcy | B - Diversion | C++20 (GCC 13-64) | Accepted | 280 ms | 2800 KB |
| 370507030 | Apr/10/2026 10:07 | qwwqcy | A - Bike Roads | C++20 (GCC 13-64) | Accepted | 312 ms | 0 KB |
| 370506538 | Apr/10/2026 10:01 | qwwqcy | A - Bike Roads | C++20 (GCC 13-64) | Accepted | 280 ms | 100 KB |
| 349445161 | Nov/17/2025 16:20 | hobbycp | A - Bike Roads | C++17 (GCC 7-32) | Wrong answer on test 52 | 280 ms | 0 KB |
| 349429309 | Nov/17/2025 14:50 | hobbycp | A - Bike Roads | C++17 (GCC 7-32) | Accepted | 748 ms | 100 KB |
| 349429134 | Nov/17/2025 14:49 | hobbycp | A - Bike Roads | C++17 (GCC 7-32) | Wrong answer on test 52 | 342 ms | 0 KB |
| 349428835 | Nov/17/2025 14:47 | hobbycp | A - Bike Roads | C++17 (GCC 7-32) | Wrong answer on test 52 | 312 ms | 100 KB |
| 349428498 | Nov/17/2025 14:45 | hobbycp | A - Bike Roads | C++17 (GCC 7-32) | Wrong answer on test 1 | 154 ms | 0 KB |
| 349427103 | Nov/17/2025 14:36 | hobbycp | A - Bike Roads | PyPy 3-64 | Time limit exceeded on test 6 | 1000 ms | 8700 KB |
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