→ 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 |
|---|---|---|---|---|---|---|---|
| 340992920 | Sep/29/2025 04:37 | lced quacks: lce4113, ezraft# | L - Least Common Ancestor | C++23 (GCC 14-64, msys2) | Runtime error on test 1 | 30 ms | 0 KB |
| 340992860 | Sep/29/2025 04:35 | lced quacks: lce4113, ezraft# | L - Least Common Ancestor | C++23 (GCC 14-64, msys2) | Runtime error on test 1 | 30 ms | 0 KB |
| 340961516 | Sep/29/2025 03:55 | lced quacks: lce4113, ezraft# | L - Least Common Ancestor | C++23 (GCC 14-64, msys2) | Runtime error on test 1 | 30 ms | 0 KB |
| 340961487 | Sep/29/2025 03:54 | lced quacks: lce4113, ezraft# | L - Least Common Ancestor | C++23 (GCC 14-64, msys2) | Runtime error on test 1 | 15 ms | 0 KB |
| 340960099 | Sep/29/2025 02:58 | lced quacks: lce4113, ezraft# | H - Hentium Scheduling | C++23 (GCC 14-64, msys2) | Wrong answer on test 5 | 46 ms | 0 KB |
| 340959402 | Sep/29/2025 02:27 | lced quacks: lce4113, ezraft# | J - Jubilee Decoration | C++23 (GCC 14-64, msys2) | Accepted | 46 ms | 0 KB |
| 340959379 | Sep/29/2025 02:26 | lced quacks: lce4113, ezraft# | J - Jubilee Decoration | C++23 (GCC 14-64, msys2) | Wrong answer on test 2 | 46 ms | 0 KB |
| 340959114 | Sep/29/2025 02:15 | lced quacks: lce4113, ezraft# | K - Kingdom Division 2 | C++23 (GCC 14-64, msys2) | Accepted | 140 ms | 0 KB |
| 340957517 | Sep/29/2025 01:24 | lced quacks: lce4113, ezraft# | I - IQ Test | C++23 (GCC 14-64, msys2) | Accepted | 77 ms | 0 KB |
| 340955797 | Sep/29/2025 00:42 | lced quacks: lce4113, ezraft# | B - Bubble Sort | C++23 (GCC 14-64, msys2) | Accepted | 124 ms | 0 KB |
| 340955513 | Sep/29/2025 00:35 | lced quacks: lce4113, ezraft# | B - Bubble Sort | C++23 (GCC 14-64, msys2) | Wrong answer on test 5 | 62 ms | 0 KB |
| 340955462 | Sep/29/2025 00:34 | lced quacks: lce4113, ezraft# | B - Bubble Sort | C++23 (GCC 14-64, msys2) | Wrong answer on test 5 | 46 ms | 0 KB |
| 340955455 | Sep/29/2025 00:34 | lced quacks: lce4113, ezraft# | B - Bubble Sort | PyPy 3-64 | Compilation error | 0 ms | 0 KB |
| 335881162 | Aug/28/2025 07:46 | greenbinjack | K - Kingdom Division 2 | C++23 (GCC 14-64, msys2) | Accepted | 109 ms | 100 KB |
| 335880911 | Aug/28/2025 07:43 | greenbinjack | K - Kingdom Division 2 | C++23 (GCC 14-64, msys2) | Wrong answer on test 1 | 31 ms | 0 KB |
| 335880728 | Aug/28/2025 07:41 | greenbinjack | K - Kingdom Division 2 | C++23 (GCC 14-64, msys2) | Wrong answer on test 1 | 30 ms | 0 KB |
| 335880719 | Aug/28/2025 07:41 | Yuossef_azzat | K - Kingdom Division 2 | C++23 (GCC 14-64, msys2) | Wrong answer on test 1 | 30 ms | 0 KB |
| 335511523 | Aug/25/2025 17:19 | hariaakash646 | K - Kingdom Division 2 | C++20 (GCC 13-64) | Wrong answer on test 1 | 31 ms | 0 KB |
| 333680038 | Aug/12/2025 18:40 | ewufgcecjehcewc123 | C - Comb Avoiding Trees | C++17 (GCC 7-32) | Time limit exceeded on test 1 | 2000 ms | 18000 KB |
| 333678999 | Aug/12/2025 18:34 | ewufgcecjehcewc123 | C - Comb Avoiding Trees | C++17 (GCC 7-32) | Accepted | 531 ms | 196500 KB |
| 333675722 | Aug/12/2025 18:12 | vjudge3 | C - Comb Avoiding Trees | C++20 (GCC 13-64) | Wrong answer on test 1 | 15 ms | 203600 KB |
| 333671723 | Aug/12/2025 17:45 | ewufgcecjehcewc123 | C - Comb Avoiding Trees | C++17 (GCC 7-32) | Wrong answer on test 1 | 62 ms | 196500 KB |
| 333671346 | Aug/12/2025 17:43 | ewufgcecjehcewc123 | C - Comb Avoiding Trees | C++17 (GCC 7-32) | Wrong answer on test 1 | 30 ms | 98200 KB |
| 333670954 | Aug/12/2025 17:41 | ewufgcecjehcewc123 | C - Comb Avoiding Trees | C++17 (GCC 7-32) | Wrong answer on test 1 | 31 ms | 98300 KB |
| 333670356 | Aug/12/2025 17:37 | ewufgcecjehcewc123 | C - Comb Avoiding Trees | C++17 (GCC 7-32) | Time limit exceeded on test 1 | 2000 ms | 18000 KB |
| 333670036 | Aug/12/2025 17:35 | ewufgcecjehcewc123 | C - Comb Avoiding Trees | C++17 (GCC 7-32) | Time limit exceeded on test 1 | 2000 ms | 18000 KB |
| 333669699 | Aug/12/2025 17:33 | ewufgcecjehcewc123 | C - Comb Avoiding Trees | C++17 (GCC 7-32) | Time limit exceeded on test 1 | 2000 ms | 17900 KB |
| 331659198 | Jul/31/2025 01:06 | Adham_Jalaal | K - Kingdom Division 2 | C++23 (GCC 14-64, msys2) | Accepted | 124 ms | 100 KB |
| 331659175 | Jul/31/2025 01:05 | Adham_Jalaal | K - Kingdom Division 2 | C++23 (GCC 14-64, msys2) | Wrong answer on test 1 | 30 ms | 0 KB |
| 331500369 | Jul/29/2025 22:29 | Adham_Jalaal | K - Kingdom Division 2 | C++23 (GCC 14-64, msys2) | Wrong answer on test 2 | 608 ms | 0 KB |
| 331500295 | Jul/29/2025 22:28 | Adham_Jalaal | K - Kingdom Division 2 | C++23 (GCC 14-64, msys2) | Wrong answer on test 1 | 30 ms | 0 KB |
| 331498399 | Jul/29/2025 22:08 | Adham_Jalaal | K - Kingdom Division 2 | C++23 (GCC 14-64, msys2) | Wrong answer on test 2 | 62 ms | 0 KB |
| 331498126 | Jul/29/2025 22:05 | Adham_Jalaal | K - Kingdom Division 2 | C++23 (GCC 14-64, msys2) | Wrong answer on test 1 | 30 ms | 0 KB |
| 330833388 | Jul/25/2025 18:08 | algohary | K - Kingdom Division 2 | C++20 (GCC 13-64) | Accepted | 186 ms | 0 KB |
| 330833274 | Jul/25/2025 18:07 | _ahmed_tawfik_ | K - Kingdom Division 2 | C++20 (GCC 13-64) | Accepted | 140 ms | 100 KB |
| 330832991 | Jul/25/2025 18:05 | algohary | K - Kingdom Division 2 | C++20 (GCC 13-64) | Wrong answer on test 2 | 108 ms | 0 KB |
| 330832230 | Jul/25/2025 18:00 | algohary | K - Kingdom Division 2 | C++20 (GCC 13-64) | Wrong answer on test 2 | 92 ms | 0 KB |
| 321855067 | May/29/2025 05:57 | vjudge.7 | B - Bubble Sort | C++23 (GCC 14-64, msys2) | Accepted | 93 ms | 0 KB |
| 321649628 | May/27/2025 15:58 | vjudge.2 | B - Bubble Sort | C++23 (GCC 14-64, msys2) | Wrong answer on test 2 | 46 ms | 800 KB |
| 320236076 | May/18/2025 15:54 | vjudge1 | D - Defend the Tower | C++23 (GCC 14-64, msys2) | Time limit exceeded on test 1 | 2000 ms | 0 KB |
| 320000832 | May/17/2025 11:50 | vjudge.8 | D - Defend the Tower | C++20 (GCC 13-64) | Time limit exceeded on test 1 | 2000 ms | 0 KB |
| 320000694 | May/17/2025 11:49 | vjudge.7 | D - Defend the Tower | C++20 (GCC 13-64) | Wrong answer on test 1 | 1046 ms | 0 KB |
| 320000656 | May/17/2025 11:48 | vjudge.8 | D - Defend the Tower | C++20 (GCC 13-64) | Wrong answer on test 1 | 906 ms | 0 KB |
| 319970994 | May/17/2025 08:02 | vjudge.8 | B - Bubble Sort | C++20 (GCC 13-64) | Wrong answer on test 1 | 30 ms | 100 KB |
| 319954137 | May/17/2025 03:28 | vjudge.4 | B - Bubble Sort | C++23 (GCC 14-64, msys2) | Accepted | 108 ms | 100 KB |
| 319933787 | May/16/2025 21:00 | vjudge1 | D - Defend the Tower | C++20 (GCC 13-64) | Time limit exceeded on test 1 | 2000 ms | 0 KB |
| 319926210 | May/16/2025 19:53 | vjudge.8 | B - Bubble Sort | C++23 (GCC 14-64, msys2) | Wrong answer on test 2 | 62 ms | 62700 KB |
| 319904394 | May/16/2025 17:18 | vjudge.2 | B - Bubble Sort | C++23 (GCC 14-64, msys2) | Accepted | 108 ms | 100 KB |
| 319904162 | May/16/2025 17:16 | vjudge.3 | D - Defend the Tower | C++20 (GCC 13-64) | Time limit exceeded on test 1 | 2000 ms | 0 KB |
| 319899955 | May/16/2025 16:44 | Sadnur_Islam | B - Bubble Sort | C++20 (GCC 13-64) | Wrong answer on test 1 | 30 ms | 0 KB |
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