→ 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 |
|---|---|---|---|---|---|---|---|
| 390878277 | Sep/16/2026 05:46 | N1tr0us_Acid | E - Islands | C++17 (GCC 7-32) | Accepted | 156 ms | 23700 KB |
| 390878250 | Sep/16/2026 05:46 | N1tr0us_Acid | E - Islands | C++17 (GCC 7-32) | Accepted | 186 ms | 23700 KB |
| 390878076 | Sep/16/2026 05:42 | N1tr0us_Acid | E - Islands | C++17 (GCC 7-32) | Wrong answer on test 2 | 30 ms | 23700 KB |
| 390878035 | Sep/16/2026 05:41 | N1tr0us_Acid | E - Islands | C++17 (GCC 7-32) | Wrong answer on test 1 | 0 ms | 23700 KB |
| 390683337 | Sep/14/2026 10:07 | Zheng_iii | E - Islands | C++23 (GCC 14-64, msys2) | Accepted | 124 ms | 8000 KB |
| 390672197 | Sep/14/2026 07:49 | zhuchenyao | E - Islands | C++23 (GCC 14-64, msys2) | Accepted | 124 ms | 29400 KB |
| 390672153 | Sep/14/2026 07:48 | zhuchenyao | E - Islands | C++23 (GCC 14-64, msys2) | Time limit exceeded on test 1 | 1000 ms | 29400 KB |
| 390671355 | Sep/14/2026 07:30 | Fiary | E - Islands | C++23 (GCC 14-64, msys2) | Accepted | 156 ms | 5400 KB |
| 390671270 | Sep/14/2026 07:28 | Fiary | E - Islands | C++23 (GCC 14-64, msys2) | Runtime error on test 1 | 62 ms | 4900 KB |
| 390669413 | Sep/14/2026 06:40 | cdx123456 | E - Islands | C++20 (GCC 13-64) | Accepted | 312 ms | 17000 KB |
| 390663187 | Sep/14/2026 03:17 | lucky_clover_ | E - Islands | C++23 (GCC 14-64, msys2) | Accepted | 280 ms | 300 KB |
| 390663177 | Sep/14/2026 03:16 | lucky_clover_ | E - Islands | C++23 (GCC 14-64, msys2) | Accepted | 280 ms | 300 KB |
| 390663144 | Sep/14/2026 03:15 | lucky_clover_ | E - Islands | C++23 (GCC 14-64, msys2) | Wrong answer on test 2 | 30 ms | 200 KB |
| 389974235 | Sep/08/2026 23:27 | lkotyaral | H - Saving Princess | C++20 (GCC 13-64) | Time limit exceeded on test 14 | 1000 ms | 56400 KB |
| 389973778 | Sep/08/2026 23:19 | lkotyaral | H - Saving Princess | C++20 (GCC 13-64) | Time limit exceeded on test 14 | 1000 ms | 53300 KB |
| 389973394 | Sep/08/2026 23:11 | lkotyaral | H - Saving Princess | C++20 (GCC 13-64) | Wrong answer on test 4 | 62 ms | 0 KB |
| 389970842 | Sep/08/2026 22:26 | lkotyaral | H - Saving Princess | C++20 (GCC 13-64) | Memory limit exceeded on test 1 | 30 ms | 65500 KB |
| 384692656 | Jul/29/2026 04:20 | qwwqcy | D - Integer Numbers | C++23 (GCC 14-64, msys2) | Compilation error | 0 ms | 0 KB |
| 384692615 | Jul/29/2026 04:19 | qwwqcy | D - Integer Numbers | C++17 (GCC 7-32) | Compilation error | 0 ms | 0 KB |
| 384692604 | Jul/29/2026 04:19 | qwwqcy | D - Integer Numbers | C++17 (GCC 7-32) | Time limit exceeded on test 20 | 1000 ms | 800 KB |
| 384692448 | Jul/29/2026 04:15 | qwwqcy | D - Integer Numbers | C++17 (GCC 7-32) | Wrong answer on test 3 | 62 ms | 5900 KB |
| 384163593 | Jul/25/2026 10:20 | qwwqcy | F - Counterfeit Money | C++23 (GCC 14-64, msys2) | Accepted | 250 ms | 14700 KB |
| 384156807 | Jul/25/2026 09:19 | qwwqcy | F - Counterfeit Money | C++23 (GCC 14-64, msys2) | Time limit exceeded on test 27 | 1000 ms | 0 KB |
| 384156644 | Jul/25/2026 09:18 | qwwqcy | F - Counterfeit Money | C++23 (GCC 14-64, msys2) | Wrong answer on test 52 | 500 ms | 57500 KB |
| 383640321 | Jul/21/2026 04:34 | qwwqcy | J - Cheater's Shuffle | C++23 (GCC 14-64, msys2) | Memory limit exceeded on test 20 | 874 ms | 65500 KB |
| 383640275 | Jul/21/2026 04:34 | qwwqcy | J - Cheater's Shuffle | C++23 (GCC 14-64, msys2) | Accepted | 624 ms | 29100 KB |
| 383640197 | Jul/21/2026 04:33 | qwwqcy | J - Cheater's Shuffle | C++23 (GCC 14-64, msys2) | Compilation error | 0 ms | 0 KB |
| 383640162 | Jul/21/2026 04:32 | qwwqcy | J - Cheater's Shuffle | C++23 (GCC 14-64, msys2) | Memory limit exceeded on test 20 | 968 ms | 65500 KB |
| 382357522 | Jul/13/2026 09:28 | qwwqcy | F - Counterfeit Money | C++23 (GCC 14-64, msys2) | Time limit exceeded on test 28 | 1000 ms | 55100 KB |
| 382357455 | Jul/13/2026 09:28 | qwwqcy | F - Counterfeit Money | C++23 (GCC 14-64, msys2) | Time limit exceeded on test 27 | 1000 ms | 48300 KB |
| 382357363 | Jul/13/2026 09:27 | qwwqcy | F - Counterfeit Money | C++23 (GCC 14-64, msys2) | Time limit exceeded on test 52 | 1000 ms | 24400 KB |
| 377760332 | Jun/08/2026 12:34 | Hangyu2011 | C - Black and White | C++23 (GCC 14-64, msys2) | Accepted | 92 ms | 1600 KB |
| 377760192 | Jun/08/2026 12:33 | Hangyu2011 | C - Black and White | C++23 (GCC 14-64, msys2) | Accepted | 92 ms | 1600 KB |
| 377752284 | Jun/08/2026 11:14 | Hangyu2011 | C - Black and White | C++23 (GCC 14-64, msys2) | Wrong answer on test 13 | 62 ms | 1600 KB |
| 377751834 | Jun/08/2026 11:09 | Hangyu2011 | C - Black and White | C++23 (GCC 14-64, msys2) | Wrong answer on test 13 | 92 ms | 1600 KB |
| 377751553 | Jun/08/2026 11:06 | Hangyu2011 | C - Black and White | C++23 (GCC 14-64, msys2) | Wrong answer on test 13 | 62 ms | 1600 KB |
| 377751440 | Jun/08/2026 11:04 | Hangyu2011 | C - Black and White | C++23 (GCC 14-64, msys2) | Wrong answer on test 13 | 92 ms | 1600 KB |
| 377715943 | Jun/08/2026 05:47 | Hangyu2011 | I - Radio Waves | C++23 (GCC 14-64, msys2) | Accepted | 156 ms | 11900 KB |
| 377715922 | Jun/08/2026 05:47 | Hangyu2011 | I - Radio Waves | C++23 (GCC 14-64, msys2) | Accepted | 156 ms | 23600 KB |
| 377715834 | Jun/08/2026 05:45 | Hangyu2011 | I - Radio Waves | C++23 (GCC 14-64, msys2) | Runtime error on test 1 | 0 ms | 23600 KB |
| 377715786 | Jun/08/2026 05:44 | Hangyu2011 | I - Radio Waves | C++23 (GCC 14-64, msys2) | Runtime error on test 1 | 0 ms | 50900 KB |
| 377715743 | Jun/08/2026 05:42 | Hangyu2011 | I - Radio Waves | C++23 (GCC 14-64, msys2) | Memory limit exceeded on test 1 | 30 ms | 65500 KB |
| 374393893 | May/13/2026 15:58 | yuanyiguo | H - Saving Princess | C++23 (GCC 14-64, msys2) | Accepted | 92 ms | 53000 KB |
| 374393827 | May/13/2026 15:57 | yuanyiguo | H - Saving Princess | C++23 (GCC 14-64, msys2) | Compilation error | 0 ms | 0 KB |
| 374393709 | May/13/2026 15:57 | yuanyiguo | H - Saving Princess | C++23 (GCC 14-64, msys2) | Memory limit exceeded on test 1 | 30 ms | 65500 KB |
| 373379530 | May/03/2026 05:49 | Modulus998244353 | H - Saving Princess | C++23 (GCC 14-64, msys2) | Accepted | 124 ms | 26500 KB |
| 373379062 | May/03/2026 05:36 | Modulus998244353 | H - Saving Princess | C++23 (GCC 14-64, msys2) | Wrong answer on test 5 | 62 ms | 26500 KB |
| 373379037 | May/03/2026 05:36 | Modulus998244353 | H - Saving Princess | C++23 (GCC 14-64, msys2) | Wrong answer on test 1 | 0 ms | 26500 KB |
| 373378995 | May/03/2026 05:35 | Modulus998244353 | H - Saving Princess | C++23 (GCC 14-64, msys2) | Wrong answer on test 1 | 30 ms | 26500 KB |
| 372705957 | Apr/27/2026 15:47 | sto_HXY_orz | H - Saving Princess | C++20 (GCC 13-64) | Accepted | 92 ms | 53000 KB |
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