→ 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 |
|---|---|---|---|---|---|---|---|
| 372208242 | Apr/23/2026 10:11 | qwwqcy | I - Impossible to Solve | C++20 (GCC 13-64) | Accepted | 640 ms | 3100 KB |
| 372208111 | Apr/23/2026 10:09 | qwwqcy | I - Impossible to Solve | C++20 (GCC 13-64) | Compilation error | 0 ms | 0 KB |
| 371467613 | Apr/17/2026 10:50 | qwwqcy | I - Impossible to Solve | C++20 (GCC 13-64) | Time limit exceeded on test 1 | 3000 ms | 124800 KB |
| 371465473 | Apr/17/2026 10:21 | qwwqcy | I - Impossible to Solve | C++20 (GCC 13-64) | Time limit exceeded on test 1 | 3000 ms | 52700 KB |
| 371465321 | Apr/17/2026 10:19 | qwwqcy | J - Jackpot | C++20 (GCC 13-64) | Accepted | 156 ms | 4900 KB |
| 371465093 | Apr/17/2026 10:16 | qwwqcy | G - GridBagLayout 2 | C++20 (GCC 13-64) | Accepted | 46 ms | 100 KB |
| 371465001 | Apr/17/2026 10:15 | qwwqcy | J - Jackpot | C++20 (GCC 13-64) | Accepted | 171 ms | 4900 KB |
| 371464710 | Apr/17/2026 10:12 | qwwqcy | G - GridBagLayout 2 | C++20 (GCC 13-64) | Accepted | 62 ms | 100 KB |
| 371464579 | Apr/17/2026 10:10 | qwwqcy | B - Big Set | C++20 (GCC 13-64) | Accepted | 109 ms | 100 KB |
| 371464431 | Apr/17/2026 10:09 | qwwqcy | B - Big Set | C++20 (GCC 13-64) | Accepted | 78 ms | 100 KB |
| 371464211 | Apr/17/2026 10:06 | qwwqcy | A - Approximation | C++20 (GCC 13-64) | Accepted | 437 ms | 6300 KB |
| 371461428 | Apr/17/2026 09:33 | qwwqcy | A - Approximation | C++20 (GCC 13-64) | Accepted | 406 ms | 6300 KB |
| 353252197 | Dec/13/2025 00:14 | ezraft | C - Coins | C++20 (GCC 13-64) | Accepted | 46 ms | 100 KB |
| 353245600 | Dec/12/2025 22:36 | ezraft | C - Coins | C++20 (GCC 13-64) | Wrong answer on test 10 | 31 ms | 0 KB |
| 353126465 | Dec/12/2025 02:14 | raft, rut, rawe, and rotato: ezraft, BucketPotato# | J - Jackpot | C++20 (GCC 13-64) | Accepted | 109 ms | 4500 KB |
| 353126306 | Dec/12/2025 02:09 | raft, rut, rawe, and rotato: ezraft, BucketPotato# | J - Jackpot | C++20 (GCC 13-64) | Wrong answer on test 19 | 31 ms | 0 KB |
| 353125474 | Dec/12/2025 01:43 | raft, rut, rawe, and rotato: ezraft, BucketPotato# | A - Approximation | C++20 (GCC 13-64) | Accepted | 781 ms | 8800 KB |
| 353125296 | Dec/12/2025 01:38 | raft, rut, rawe, and rotato: ezraft, BucketPotato# | B - Big Set | C++20 (GCC 13-64) | Accepted | 78 ms | 100 KB |
| 353125192 | Dec/12/2025 01:35 | raft, rut, rawe, and rotato: ezraft, BucketPotato# | A - Approximation | C++20 (GCC 13-64) | Wrong answer on test 8 | 31 ms | 0 KB |
| 353124884 | Dec/12/2025 01:27 | raft, rut, rawe, and rotato: ezraft, BucketPotato# | A - Approximation | C++20 (GCC 13-64) | Wrong answer on test 8 | 31 ms | 100 KB |
| 353124815 | Dec/12/2025 01:24 | raft, rut, rawe, and rotato: ezraft, BucketPotato# | A - Approximation | C++20 (GCC 13-64) | Wrong answer on test 5 | 31 ms | 0 KB |
| 353124487 | Dec/12/2025 01:15 | raft, rut, rawe, and rotato: ezraft, BucketPotato# | E - Environment Problems | C++20 (GCC 13-64) | Accepted | 390 ms | 117500 KB |
| 353124416 | Dec/12/2025 01:13 | raft, rut, rawe, and rotato: ezraft, BucketPotato# | E - Environment Problems | C++20 (GCC 13-64) | Time limit exceeded on test 37 | 5000 ms | 100600 KB |
| 353124190 | Dec/12/2025 01:07 | raft, rut, rawe, and rotato: ezraft, BucketPotato# | D - Duel | C++20 (GCC 13-64) | Accepted | 93 ms | 7100 KB |
| 353123048 | Dec/12/2025 00:43 | raft, rut, rawe, and rotato: ezraft, BucketPotato# | E - Environment Problems | C++20 (GCC 13-64) | Memory limit exceeded on test 37 | 1359 ms | 262100 KB |
| 353122937 | Dec/12/2025 00:40 | raft, rut, rawe, and rotato: ezraft, BucketPotato# | E - Environment Problems | C++20 (GCC 13-64) | Wrong answer on test 1 | 0 ms | 0 KB |
| 353122900 | Dec/12/2025 00:40 | raft, rut, rawe, and rotato: ezraft, BucketPotato# | E - Environment Problems | C++20 (GCC 13-64) | Wrong answer on test 1 | 15 ms | 0 KB |
| 350815987 | Nov/27/2025 09:48 | hobbycp | J - Jackpot | C++23 (GCC 14-64, msys2) | Accepted | 124 ms | 8700 KB |
| 350815689 | Nov/27/2025 09:45 | hobbycp | D - Duel | C++23 (GCC 14-64, msys2) | Accepted | 108 ms | 5700 KB |
| 350815544 | Nov/27/2025 09:44 | hobbycp | D - Duel | C++17 (GCC 7-32) | Compilation error | 0 ms | 0 KB |
| 350815480 | Nov/27/2025 09:43 | hobbycp | D - Duel | C++23 (GCC 14-64, msys2) | Compilation error | 0 ms | 0 KB |
| 350815332 | Nov/27/2025 09:42 | hobbycp | A - Approximation | C++23 (GCC 14-64, msys2) | Accepted | 936 ms | 2500 KB |
| 350815228 | Nov/27/2025 09:41 | hobbycp | E - Environment Problems | C++23 (GCC 14-64, msys2) | Accepted | 827 ms | 198000 KB |
| 350815139 | Nov/27/2025 09:40 | hobbycp | G - GridBagLayout 2 | C++23 (GCC 14-64, msys2) | Wrong answer on test 1 | 31 ms | 0 KB |
| 350814754 | Nov/27/2025 09:37 | hobbycp | B - Big Set | C++23 (GCC 14-64, msys2) | Accepted | 202 ms | 100 KB |
| 350814732 | Nov/27/2025 09:37 | hobbycp | C - Coins | C++23 (GCC 14-64, msys2) | Runtime error on test 19 | 656 ms | 259400 KB |
| 350814683 | Nov/27/2025 09:37 | hobbycp | C - Coins | C++17 (GCC 7-32) | Compilation error | 0 ms | 0 KB |
| 350814607 | Nov/27/2025 09:36 | hobbycp | B - Big Set | C++17 (GCC 7-32) | Compilation error | 0 ms | 0 KB |
| 350727423 | Nov/26/2025 14:49 | hobbycp | H - High School Duels | C++17 (GCC 7-32) | Wrong answer on test 1 | 46 ms | 0 KB |
| 350437851 | Nov/24/2025 08:13 | hobbycp | F - Formal Program Verification | C++17 (GCC 7-32) | Accepted | 62 ms | 0 KB |
| 348237541 | Nov/10/2025 09:31 | hobbycp | F - Formal Program Verification | C++17 (GCC 7-32) | Wrong answer on test 3 | 46 ms | 0 KB |
| 348232363 | Nov/10/2025 08:23 | hobbycp | F - Formal Program Verification | C++17 (GCC 7-32) | Wrong answer on test 7 | 46 ms | 0 KB |
| 348232104 | Nov/10/2025 08:19 | hobbycp | F - Formal Program Verification | C++17 (GCC 7-32) | Wrong answer on test 1 | 30 ms | 0 KB |
| 348232040 | Nov/10/2025 08:18 | hobbycp | F - Formal Program Verification | C++17 (GCC 7-32) | Compilation error | 0 ms | 0 KB |
| 347384742 | Nov/04/2025 13:49 | rlc202204 | E - Environment Problems | C++20 (GCC 13-64) | Accepted | 702 ms | 117400 KB |
| 347384571 | Nov/04/2025 13:47 | rlc202204 | E - Environment Problems | C++20 (GCC 13-64) | Wrong answer on test 32 | 327 ms | 93900 KB |
| 339928567 | Sep/22/2025 20:37 | 300iq | J - Jackpot | C++20 (GCC 13-64) | Accepted | 374 ms | 16500 KB |
| 339928206 | Sep/22/2025 20:35 | 300iq | J - Jackpot | C++20 (GCC 13-64) | Wrong answer on test 14 | 77 ms | 0 KB |
| 339806954 | Sep/22/2025 00:20 | 300iq | F - Formal Program Verification | C++20 (GCC 13-64) | Wrong answer on test 80 | 124 ms | 0 KB |
| 339806932 | Sep/22/2025 00:20 | 300iq | F - Formal Program Verification | C++20 (GCC 13-64) | Wrong answer on test 80 | 155 ms | 100 KB |
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