→ 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 |
|---|---|---|---|---|---|---|---|
| 389706157 | Sep/07/2026 07:22 | Sophis | I - Stable Sets | C++23 (GCC 14-64, msys2) | Accepted | 92 ms | 100 KB |
| 389705953 | Sep/07/2026 07:18 | Sophis | I - Stable Sets | C++17 (GCC 7-32) | Wrong answer on test 5 | 62 ms | 100 KB |
| 389705905 | Sep/07/2026 07:17 | Sophis | I - Stable Sets | C++17 (GCC 7-32) | Compilation error | 0 ms | 0 KB |
| 389705524 | Sep/07/2026 07:09 | Sophis | H - Quest | C++17 (GCC 7-32) | Wrong answer on test 1 | 30 ms | 0 KB |
| 389705383 | Sep/07/2026 07:07 | Sophis | H - Quest | C++17 (GCC 7-32) | Wrong answer on test 16 | 62 ms | 0 KB |
| 389705360 | Sep/07/2026 07:07 | Sophis | I - Stable Sets | C++17 (GCC 7-32) | Wrong answer on test 1 | 30 ms | 0 KB |
| 389684062 | Sep/06/2026 21:26 | Sophis | H - Quest | C++17 (GCC 7-32) | Compilation error | 0 ms | 0 KB |
| 389683392 | Sep/06/2026 21:19 | Sophis | H - Quest | C++17 (GCC 7-32) | Wrong answer on test 16 | 92 ms | 100 KB |
| 389683031 | Sep/06/2026 21:15 | Sophis | H - Quest | C++17 (GCC 7-32) | Wrong answer on test 16 | 92 ms | 0 KB |
| 389682859 | Sep/06/2026 21:13 | Sophis | H - Quest | C++17 (GCC 7-32) | Wrong answer on test 16 | 92 ms | 0 KB |
| 389682031 | Sep/06/2026 21:04 | Sophis | H - Quest | C++17 (GCC 7-32) | Wrong answer on test 1 | 30 ms | 0 KB |
| 389681804 | Sep/06/2026 21:02 | Sophis | H - Quest | C++17 (GCC 7-32) | Wrong answer on test 1 | 62 ms | 0 KB |
| 389679817 | Sep/06/2026 20:42 | Sophis | G - Puzzle | C++17 (GCC 7-32) | Wrong answer on test 2 | 0 ms | 0 KB |
| 389679628 | Sep/06/2026 20:40 | Sophis | G - Puzzle | C++17 (GCC 7-32) | Accepted | 62 ms | 0 KB |
| 389679057 | Sep/06/2026 20:34 | Sophis | G - Puzzle | C++17 (GCC 7-32) | Wrong answer on test 1 | 0 ms | 0 KB |
| 389678927 | Sep/06/2026 20:33 | Sophis | G - Puzzle | C++17 (GCC 7-32) | Wrong answer on test 3 | 30 ms | 0 KB |
| 389678814 | Sep/06/2026 20:31 | Sophis | G - Puzzle | C++17 (GCC 7-32) | Wrong answer on test 1 | 62 ms | 0 KB |
| 389678381 | Sep/06/2026 20:27 | Sophis | G - Puzzle | C++17 (GCC 7-32) | Wrong answer on test 3 | 30 ms | 0 KB |
| 389678261 | Sep/06/2026 20:26 | Sophis | G - Puzzle | C++17 (GCC 7-32) | Wrong answer on test 3 | 30 ms | 0 KB |
| 389666364 | Sep/06/2026 18:25 | Sophis | G - Puzzle | C++17 (GCC 7-32) | Wrong answer on test 3 | 30 ms | 100 KB |
| 389664279 | Sep/06/2026 18:03 | Sophis | F - Crazy Painter | C++17 (GCC 7-32) | Accepted | 92 ms | 100 KB |
| 389663880 | Sep/06/2026 17:58 | Sophis | F - Crazy Painter | C++17 (GCC 7-32) | Wrong answer on test 1 | 30 ms | 0 KB |
| 389663759 | Sep/06/2026 17:57 | Sophis | F - Crazy Painter | C++17 (GCC 7-32) | Wrong answer on test 19 | 92 ms | 100 KB |
| 389663628 | Sep/06/2026 17:56 | Sophis | F - Crazy Painter | C++17 (GCC 7-32) | Wrong answer on test 1 | 0 ms | 0 KB |
| 389663533 | Sep/06/2026 17:55 | Sophis | F - Crazy Painter | C++17 (GCC 7-32) | Wrong answer on test 1 | 30 ms | 0 KB |
| 389663487 | Sep/06/2026 17:54 | Sophis | F - Crazy Painter | C++17 (GCC 7-32) | Compilation error | 0 ms | 0 KB |
| 389663374 | Sep/06/2026 17:53 | Sophis | F - Crazy Painter | C++17 (GCC 7-32) | Wrong answer on test 1 | 62 ms | 0 KB |
| 389663213 | Sep/06/2026 17:52 | Sophis | F - Crazy Painter | C++17 (GCC 7-32) | Wrong answer on test 1 | 30 ms | 0 KB |
| 389660063 | Sep/06/2026 17:20 | Sophis | E - Maps | C++17 (GCC 7-32) | Accepted | 92 ms | 100 KB |
| 389579219 | Sep/05/2026 21:02 | Sophis | D - Laboratory | C++17 (GCC 7-32) | Accepted | 92 ms | 100 KB |
| 389577094 | Sep/05/2026 20:35 | Sophis | D - Laboratory | C++17 (GCC 7-32) | Wrong answer on test 1 | 62 ms | 0 KB |
| 389576924 | Sep/05/2026 20:33 | Sophis | D - Laboratory | C++17 (GCC 7-32) | Wrong answer on test 1 | 62 ms | 0 KB |
| 389574748 | Sep/05/2026 20:04 | Sophis | B - Under Control | C++17 (GCC 7-32) | Accepted | 92 ms | 100 KB |
| 389558896 | Sep/05/2026 19:27 | Sophis | C - Holidays | C++17 (GCC 7-32) | Accepted | 92 ms | 11600 KB |
| 389558558 | Sep/05/2026 19:26 | Sophis | D - Laboratory | C++17 (GCC 7-32) | Wrong answer on test 1 | 30 ms | 0 KB |
| 389553773 | Sep/05/2026 19:17 | Sophis | C - Holidays | C++17 (GCC 7-32) | Wrong answer on test 1 | 62 ms | 0 KB |
| 389547935 | Sep/05/2026 19:07 | Sophis | C - Holidays | C++17 (GCC 7-32) | Memory limit exceeded on test 1 | 342 ms | 65500 KB |
| 389545724 | Sep/05/2026 19:03 | Sophis | C - Holidays | C++17 (GCC 7-32) | Wrong answer on test 4 | 62 ms | 100 KB |
| 389542775 | Sep/05/2026 18:58 | Sophis | C - Holidays | C++17 (GCC 7-32) | Memory limit exceeded on test 1 | 250 ms | 65500 KB |
| 389472553 | Sep/05/2026 17:49 | Sophis | C - Holidays | C++17 (GCC 7-32) | Wrong answer on test 1 | 62 ms | 32900 KB |
| 389470762 | Sep/05/2026 17:47 | Sophis | C - Holidays | C++17 (GCC 7-32) | Wrong answer on test 1 | 0 ms | 0 KB |
| 389461240 | Sep/05/2026 16:11 | Sophis | B - Under Control | C++17 (GCC 7-32) | Time limit exceeded on test 1 | 1000 ms | 18800 KB |
| 389460973 | Sep/05/2026 16:08 | Sophis | B - Under Control | C++17 (GCC 7-32) | Wrong answer on test 1 | 30 ms | 0 KB |
| 389460636 | Sep/05/2026 16:04 | Sophis | B - Under Control | C++17 (GCC 7-32) | Wrong answer on test 1 | 0 ms | 100 KB |
| 389460445 | Sep/05/2026 16:02 | Sophis | B - Under Control | C++17 (GCC 7-32) | Wrong answer on test 1 | 30 ms | 0 KB |
| 389459966 | Sep/05/2026 15:58 | Sophis | B - Under Control | C++17 (GCC 7-32) | Wrong answer on test 1 | 0 ms | 0 KB |
| 389457814 | Sep/05/2026 15:35 | Sophis | A - Little Brackets | C++17 (GCC 7-32) | Accepted | 124 ms | 0 KB |
| 388066775 | Aug/23/2026 05:56 | zhanglewei4598 | C - Holidays | C++20 (GCC 13-64) | Accepted | 92 ms | 200 KB |
| 388066518 | Aug/23/2026 05:46 | zhanglewei4598 | C - Holidays | C++20 (GCC 13-64) | Wrong answer on test 1 | 62 ms | 100 KB |
| 388066407 | Aug/23/2026 05:44 | zhanglewei4598 | C - Holidays | C++20 (GCC 13-64) | Wrong answer on test 1 | 0 ms | 100 KB |
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