→ 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 |
|---|---|---|---|---|---|---|---|
| 372935674 | Apr/29/2026 13:55 | Chen_ri_kang | G - The Most Relevant Pattern | C++17 (GCC 7-32) | Accepted | 1062 ms | 125400 KB |
| 372919586 | Apr/29/2026 10:30 | ukbwyx | G - The Most Relevant Pattern | C++20 (GCC 13-64) | Accepted | 1062 ms | 156800 KB |
| 372472325 | Apr/25/2026 17:20 | chenwz | G - The Most Relevant Pattern | C++20 (GCC 13-64) | Accepted | 2718 ms | 100 KB |
| 372472041 | Apr/25/2026 17:16 | chenwz | G - The Most Relevant Pattern | C++20 (GCC 13-64) | Accepted | 2530 ms | 0 KB |
| 372471969 | Apr/25/2026 17:15 | chenwz | G - The Most Relevant Pattern | C++20 (GCC 13-64) | Accepted | 2530 ms | 0 KB |
| 372466831 | Apr/25/2026 16:20 | chenwz | K - Parse Tree | C++20 (GCC 13-64) | Compilation error | 0 ms | 0 KB |
| 372466161 | Apr/25/2026 16:13 | chenwz | K - Parse Tree | C++20 (GCC 13-64) | Accepted | 62 ms | 100 KB |
| 372465682 | Apr/25/2026 16:08 | chenwz | K - Parse Tree | C++20 (GCC 13-64) | Compilation error | 0 ms | 0 KB |
| 372465198 | Apr/25/2026 16:03 | chenwz | K - Parse Tree | C++20 (GCC 13-64) | Accepted | 92 ms | 0 KB |
| 372451448 | Apr/25/2026 13:41 | chenwz | B - Chip Reconstruction | C++20 (GCC 13-64) | Accepted | 406 ms | 0 KB |
| 372451226 | Apr/25/2026 13:38 | chenwz | K - Parse Tree | C++20 (GCC 13-64) | Wrong answer on test 1 | 62 ms | 0 KB |
| 372449518 | Apr/25/2026 13:22 | chenwz | K - Parse Tree | C++20 (GCC 13-64) | Wrong answer on test 1 | 62 ms | 0 KB |
| 372448958 | Apr/25/2026 13:16 | chenwz | H - Straight or Flush | C++20 (GCC 13-64) | Wrong answer on test 2 | 62 ms | 200 KB |
| 372448485 | Apr/25/2026 13:12 | chenwz | H - Straight or Flush | C++20 (GCC 13-64) | Compilation error | 0 ms | 0 KB |
| 372446224 | Apr/25/2026 12:51 | chenwz | G - The Most Relevant Pattern | C++20 (GCC 13-64) | Accepted | 2624 ms | 0 KB |
| 372445628 | Apr/25/2026 12:46 | chenwz | F - Merge | C++20 (GCC 13-64) | Accepted | 62 ms | 0 KB |
| 372445475 | Apr/25/2026 12:45 | chenwz | D - Discussions | PyPy 3-64 | Accepted | 218 ms | 2700 KB |
| 372445099 | Apr/25/2026 12:42 | chenwz | B - Chip Reconstruction | C++20 (GCC 13-64) | Accepted | 374 ms | 100 KB |
| 372444674 | Apr/25/2026 12:38 | chenwz | A - Casino | C++20 (GCC 13-64) | Accepted | 92 ms | 0 KB |
| 372444173 | Apr/25/2026 12:34 | chenwz | A - Casino | C++20 (GCC 13-64) | Wrong answer on test 1 | 62 ms | 0 KB |
| 371237180 | Apr/15/2026 13:35 | qwwqcy | J - Trading Game | C++20 (GCC 13-64) | Accepted | 92 ms | 2100 KB |
| 371236974 | Apr/15/2026 13:33 | qwwqcy | J - Trading Game | C++20 (GCC 13-64) | Accepted | 124 ms | 2100 KB |
| 371236766 | Apr/15/2026 13:31 | qwwqcy | J - Trading Game | C++20 (GCC 13-64) | Compilation error | 0 ms | 0 KB |
| 371236547 | Apr/15/2026 13:29 | qwwqcy | J - Trading Game | C++20 (GCC 13-64) | Wrong answer on test 1 | 92 ms | 0 KB |
| 371236319 | Apr/15/2026 13:27 | qwwqcy | J - Trading Game | C++20 (GCC 13-64) | Wrong answer on test 1 | 62 ms | 0 KB |
| 371236037 | Apr/15/2026 13:24 | qwwqcy | J - Trading Game | C++20 (GCC 13-64) | Wrong answer on test 1 | 62 ms | 0 KB |
| 371235884 | Apr/15/2026 13:23 | qwwqcy | I - No Term Repetition Exactly One Satisfiability | C++20 (GCC 13-64) | Accepted | 92 ms | 0 KB |
| 371235590 | Apr/15/2026 13:20 | qwwqcy | I - No Term Repetition Exactly One Satisfiability | C++20 (GCC 13-64) | Runtime error on test 2 | 30 ms | 200 KB |
| 371235489 | Apr/15/2026 13:18 | qwwqcy | I - No Term Repetition Exactly One Satisfiability | C++20 (GCC 13-64) | Accepted | 92 ms | 0 KB |
| 371235347 | Apr/15/2026 13:17 | qwwqcy | I - No Term Repetition Exactly One Satisfiability | C++20 (GCC 13-64) | Wrong answer on test 4 | 92 ms | 0 KB |
| 371223738 | Apr/15/2026 11:28 | qwwqcy | H - Straight or Flush | C++20 (GCC 13-64) | Accepted | 62 ms | 2600 KB |
| 371223569 | Apr/15/2026 11:26 | qwwqcy | H - Straight or Flush | C++20 (GCC 13-64) | Accepted | 92 ms | 2600 KB |
| 371223502 | Apr/15/2026 11:25 | qwwqcy | H - Straight or Flush | C++20 (GCC 13-64) | Wrong answer on test 1 | 30 ms | 2600 KB |
| 371223049 | Apr/15/2026 11:21 | qwwqcy | D - Discussions | C++20 (GCC 13-64) | Accepted | 686 ms | 100 KB |
| 371222712 | Apr/15/2026 11:18 | qwwqcy | D - Discussions | C++20 (GCC 13-64) | Accepted | 686 ms | 100 KB |
| 371220833 | Apr/15/2026 11:00 | qwwqcy | K - Parse Tree | C++20 (GCC 13-64) | Accepted | 124 ms | 15700 KB |
| 371220435 | Apr/15/2026 10:57 | qwwqcy | K - Parse Tree | C++20 (GCC 13-64) | Accepted | 92 ms | 15700 KB |
| 371219806 | Apr/15/2026 10:50 | qwwqcy | I - No Term Repetition Exactly One Satisfiability | C++20 (GCC 13-64) | Runtime error on test 2 | 30 ms | 200 KB |
| 371219645 | Apr/15/2026 10:49 | qwwqcy | H - Straight or Flush | C++20 (GCC 13-64) | Time limit exceeded on test 1 | 2000 ms | 11000 KB |
| 371219412 | Apr/15/2026 10:46 | qwwqcy | G - The Most Relevant Pattern | C++20 (GCC 13-64) | Accepted | 2342 ms | 125600 KB |
| 371218176 | Apr/15/2026 10:32 | qwwqcy | G - The Most Relevant Pattern | C++20 (GCC 13-64) | Accepted | 2468 ms | 125600 KB |
| 371217596 | Apr/15/2026 10:25 | qwwqcy | G - The Most Relevant Pattern | C++20 (GCC 13-64) | Time limit exceeded on test 10 | 3000 ms | 127800 KB |
| 371217414 | Apr/15/2026 10:23 | qwwqcy | F - Merge | C++20 (GCC 13-64) | Accepted | 92 ms | 0 KB |
| 371217341 | Apr/15/2026 10:22 | qwwqcy | F - Merge | C++20 (GCC 13-64) | Accepted | 92 ms | 100 KB |
| 371217185 | Apr/15/2026 10:20 | qwwqcy | B - Chip Reconstruction | C++20 (GCC 13-64) | Accepted | 156 ms | 1000 KB |
| 371217099 | Apr/15/2026 10:19 | qwwqcy | B - Chip Reconstruction | C++20 (GCC 13-64) | Accepted | 218 ms | 1100 KB |
| 371216977 | Apr/15/2026 10:17 | qwwqcy | A - Casino | C++20 (GCC 13-64) | Accepted | 92 ms | 8000 KB |
| 371216855 | Apr/15/2026 10:16 | qwwqcy | A - Casino | C++20 (GCC 13-64) | Accepted | 92 ms | 8000 KB |
| 361369060 | Feb/04/2026 06:33 | Chen_ri_kang | I - No Term Repetition Exactly One Satisfiability | C++20 (GCC 13-64) | Accepted | 92 ms | 100 KB |
| 361368760 | Feb/04/2026 06:27 | Chen_ri_kang | I - No Term Repetition Exactly One Satisfiability | C++20 (GCC 13-64) | Wrong answer on test 3 | 62 ms | 0 KB |
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