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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 |
|---|---|---|---|---|---|---|---|
| 390899291 | Sep/16/2026 10:59 | goldenutu | A - Almost Palindromic Numbers | C++23 (GCC 14-64, msys2) | Compilation error | 0 ms | 0 KB |
| 390899162 | Sep/16/2026 10:57 | goldenutu | A - Almost Palindromic Numbers | C++23 (GCC 14-64, msys2) | Compilation error | 0 ms | 0 KB |
| 390899109 | Sep/16/2026 10:56 | goldenutu | A - Almost Palindromic Numbers | C++23 (GCC 14-64, msys2) | Compilation error | 0 ms | 0 KB |
| 389828248 | Sep/08/2026 06:38 | ezraft | H - Colorful Pebbles | C++20 (GCC 13-64) | Accepted | 62 ms | 100 KB |
| 389820074 | Sep/08/2026 04:50 | ezraft | J - Crossing the River | C++20 (GCC 13-64) | Accepted | 62 ms | 100 KB |
| 389816608 | Sep/08/2026 02:31 | ezraft | C - Casino | PyPy 3-64 | Accepted | 250 ms | 5900 KB |
| 389816546 | Sep/08/2026 02:28 | ezraft | C - Casino | PyPy 3-64 | Wrong answer on test 2 | 124 ms | 4400 KB |
| 389816537 | Sep/08/2026 02:28 | ezraft | C - Casino | C++20 (GCC 13-64) | Compilation error | 0 ms | 0 KB |
| 389713735 | Sep/07/2026 09:35 | ezraft | A - Almost Palindromic Numbers | C++20 (GCC 13-64) | Accepted | 62 ms | 100 KB |
| 389713488 | Sep/07/2026 09:31 | ezraft | A - Almost Palindromic Numbers | C++20 (GCC 13-64) | Wrong answer on test 3 | 30 ms | 100 KB |
| 389713032 | Sep/07/2026 09:24 | ezraft | A - Almost Palindromic Numbers | C++20 (GCC 13-64) | Wrong answer on test 3 | 62 ms | 100 KB |
| 389708399 | Sep/07/2026 08:10 | ezraft | E - Formula 1 | C++20 (GCC 13-64) | Accepted | 218 ms | 100 KB |
| 389707032 | Sep/07/2026 07:42 | ezraft | E - Formula 1 | C++20 (GCC 13-64) | Wrong answer on test 5 | 62 ms | 0 KB |
| 389611712 | Sep/06/2026 08:32 | ezraft | I - Princess Dilemma | C++20 (GCC 13-64) | Accepted | 62 ms | 100 KB |
| 389600996 | Sep/06/2026 04:13 | ezraft# | I - Princess Dilemma | C++20 (GCC 13-64) | Wrong answer on test 4 | 30 ms | 63300 KB |
| 389599976 | Sep/06/2026 03:31 | ezraft# | I - Princess Dilemma | C++20 (GCC 13-64) | Wrong answer on test 4 | 62 ms | 100 KB |
| 389599513 | Sep/06/2026 03:10 | ezraft# | I - Princess Dilemma | C++20 (GCC 13-64) | Wrong answer on test 4 | 92 ms | 100 KB |
| 389599355 | Sep/06/2026 03:03 | ezraft# | I - Princess Dilemma | C++20 (GCC 13-64) | Wrong answer on test 4 | 30 ms | 100 KB |
| 389597313 | Sep/06/2026 01:35 | ezraft# | D - DNA Analysis | C++20 (GCC 13-64) | Accepted | 592 ms | 25300 KB |
| 389597071 | Sep/06/2026 01:27 | ezraft# | B - Cartesian Tree | PyPy 3-64 | Accepted | 186 ms | 3700 KB |
| 389597044 | Sep/06/2026 01:26 | ezraft# | B - Cartesian Tree | PyPy 3-64 | Runtime error on test 1 | 218 ms | 5500 KB |
| 389595693 | Sep/06/2026 00:44 | ezraft# | G - Matrix Multiplication | C++20 (GCC 13-64) | Accepted | 1280 ms | 2200 KB |
| 389595679 | Sep/06/2026 00:43 | ezraft# | G - Matrix Multiplication | C++20 (GCC 13-64) | Time limit exceeded on test 13 | 2000 ms | 2100 KB |
| 389595667 | Sep/06/2026 00:43 | ezraft# | G - Matrix Multiplication | C++20 (GCC 13-64) | Wrong answer on test 11 | 62 ms | 100 KB |
| 389595642 | Sep/06/2026 00:42 | ezraft# | G - Matrix Multiplication | C++20 (GCC 13-64) | Wrong answer on test 11 | 156 ms | 100 KB |
| 389594959 | Sep/06/2026 00:25 | ezraft# | F - Surface Genus | C++20 (GCC 13-64) | Accepted | 92 ms | 100 KB |
| 387661737 | Aug/19/2026 12:42 | SoiMae | G - Matrix Multiplication | C++23 (GCC 14-64, msys2) | Wrong answer on test 13 | 1062 ms | 39700 KB |
| 387661700 | Aug/19/2026 12:42 | SoiMae | I - Princess Dilemma | C++23 (GCC 14-64, msys2) | Wrong answer on test 4 | 62 ms | 0 KB |
| 387661587 | Aug/19/2026 12:41 | SoiMae | G - Matrix Multiplication | C++23 (GCC 14-64, msys2) | Memory limit exceeded on test 1 | 62 ms | 65500 KB |
| 387661422 | Aug/19/2026 12:39 | SoiMae | D - DNA Analysis | C++23 (GCC 14-64, msys2) | Accepted | 624 ms | 5100 KB |
| 387661373 | Aug/19/2026 12:39 | SoiMae | G - Matrix Multiplication | C++23 (GCC 14-64, msys2) | Time limit exceeded on test 1 | 2000 ms | 47200 KB |
| 387661321 | Aug/19/2026 12:38 | SoiMae | I - Princess Dilemma | C++23 (GCC 14-64, msys2) | Wrong answer on test 4 | 30 ms | 0 KB |
| 387661085 | Aug/19/2026 12:36 | SoiMae | G - Matrix Multiplication | C++23 (GCC 14-64, msys2) | Memory limit exceeded on test 1 | 30 ms | 65500 KB |
| 387660967 | Aug/19/2026 12:35 | SoiMae | B - Cartesian Tree | C++23 (GCC 14-64, msys2) | Wrong answer on test 1 | 30 ms | 8000 KB |
| 387660229 | Aug/19/2026 12:28 | SoiMae | B - Cartesian Tree | C++23 (GCC 14-64, msys2) | Accepted | 62 ms | 6000 KB |
| 387660096 | Aug/19/2026 12:27 | SoiMae | B - Cartesian Tree | C++23 (GCC 14-64, msys2) | Wrong answer on test 1 | 30 ms | 47300 KB |
| 386202188 | Aug/08/2026 13:40 | luosiyu | G - Matrix Multiplication | C++23 (GCC 14-64, msys2) | Accepted | 874 ms | 2200 KB |
| 386160022 | Aug/08/2026 04:53 | luosiyu | G - Matrix Multiplication | C++23 (GCC 14-64, msys2) | Wrong answer on test 1 | 30 ms | 5900 KB |
| 386159974 | Aug/08/2026 04:52 | luosiyu | G - Matrix Multiplication | C++23 (GCC 14-64, msys2) | Wrong answer on test 1 | 30 ms | 0 KB |
| 386159953 | Aug/08/2026 04:51 | luosiyu | G - Matrix Multiplication | C++23 (GCC 14-64, msys2) | Wrong answer on test 1 | 62 ms | 100 KB |
| 386159918 | Aug/08/2026 04:50 | luosiyu | G - Matrix Multiplication | C++23 (GCC 14-64, msys2) | Memory limit exceeded on test 1 | 62 ms | 65500 KB |
| 386159501 | Aug/08/2026 04:37 | qwwqcy | G - Matrix Multiplication | C++17 (GCC 7-32) | Memory limit exceeded on test 1 | 62 ms | 65500 KB |
| 386158174 | Aug/08/2026 03:53 | luosiyu | G - Matrix Multiplication | C++23 (GCC 14-64, msys2) | Wrong answer on test 1 | 30 ms | 0 KB |
| 386158095 | Aug/08/2026 03:51 | luosiyu | G - Matrix Multiplication | C++23 (GCC 14-64, msys2) | Wrong answer on test 1 | 30 ms | 0 KB |
| 385870845 | Aug/06/2026 13:51 | SoiMae# | G - Matrix Multiplication | C++23 (GCC 14-64, msys2) | Time limit exceeded on test 12 | 2000 ms | 37400 KB |
| 385870309 | Aug/06/2026 13:47 | SoiMae# | A - Almost Palindromic Numbers | C++23 (GCC 14-64, msys2) | Wrong answer on test 2 | 62 ms | 2600 KB |
| 385867874 | Aug/06/2026 13:26 | SoiMae# | G - Matrix Multiplication | C++23 (GCC 14-64, msys2) | Wrong answer on test 13 | 1000 ms | 39700 KB |
| 385867652 | Aug/06/2026 13:23 | SoiMae# | G - Matrix Multiplication | C++23 (GCC 14-64, msys2) | Wrong answer on test 12 | 1780 ms | 4000 KB |
| 385867572 | Aug/06/2026 13:22 | SoiMae# | G - Matrix Multiplication | C++23 (GCC 14-64, msys2) | Time limit exceeded on test 12 | 2000 ms | 4000 KB |
| 385867531 | Aug/06/2026 13:22 | SoiMae# | G - Matrix Multiplication | C++23 (GCC 14-64, msys2) | Time limit exceeded on test 12 | 2000 ms | 4000 KB |
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