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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.
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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.
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→ Contest materials
Contest status
| # | When | Who | Problem | Lang | Verdict | Time | Memory |
|---|---|---|---|---|---|---|---|
| 387728453 | Aug/19/2026 23:07 | Olmes: DBFC31, gabrel13, pauloviniciusgbr# | D - Bubble Sort | C++23 (GCC 14-64, msys2) | Memory limit exceeded on test 32 | 625 ms | 262100 KB |
| 387728287 | Aug/19/2026 23:03 | Olmes: DBFC31, gabrel13, pauloviniciusgbr# | D - Bubble Sort | C++23 (GCC 14-64, msys2) | Memory limit exceeded on test 32 | 375 ms | 262100 KB |
| 387727960 | Aug/19/2026 22:58 | Olmes: DBFC31, gabrel13, pauloviniciusgbr# | D - Bubble Sort | C++23 (GCC 14-64, msys2) | Memory limit exceeded on test 31 | 375 ms | 262100 KB |
| 387727734 | Aug/19/2026 22:54 | Olmes: DBFC31, gabrel13, pauloviniciusgbr# | D - Bubble Sort | C++23 (GCC 14-64, msys2) | Memory limit exceeded on test 31 | 421 ms | 262100 KB |
| 387725331 | Aug/19/2026 22:20 | Olmes: DBFC31, gabrel13, pauloviniciusgbr# | D - Bubble Sort | C++23 (GCC 14-64, msys2) | Wrong answer on test 4 | 31 ms | 0 KB |
| 387724074 | Aug/19/2026 22:04 | Olmes: DBFC31, gabrel13, pauloviniciusgbr# | D - Bubble Sort | C++23 (GCC 14-64, msys2) | Wrong answer on test 4 | 31 ms | 0 KB |
| 387723018 | Aug/19/2026 21:51 | Olmes: DBFC31, gabrel13, pauloviniciusgbr# | D - Bubble Sort | C++23 (GCC 14-64, msys2) | Wrong answer on test 4 | 15 ms | 100 KB |
| 387717256 | Aug/19/2026 20:59 | Olmes: DBFC31, gabrel13, pauloviniciusgbr# | G - Persistent Queue | C++23 (GCC 14-64, msys2) | Accepted | 218 ms | 16700 KB |
| 386430590 | Aug/10/2026 06:10 | luosiyu | A - Achromatic Number | C++23 (GCC 14-64, msys2) | Accepted | 46 ms | 100 KB |
| 386430146 | Aug/10/2026 06:01 | luosiyu | A - Achromatic Number | C++23 (GCC 14-64, msys2) | Accepted | 46 ms | 100 KB |
| 386426323 | Aug/10/2026 04:46 | luosiyu | A - Achromatic Number | C++23 (GCC 14-64, msys2) | Wrong answer on test 4 | 31 ms | 0 KB |
| 386426234 | Aug/10/2026 04:44 | luosiyu | A - Achromatic Number | C++23 (GCC 14-64, msys2) | Wrong answer on test 4 | 31 ms | 0 KB |
| 383821613 | Jul/22/2026 15:15 | MrYhatoh | G - Persistent Queue | C++23 (GCC 14-64, msys2) | Accepted | 187 ms | 18100 KB |
| 383820782 | Jul/22/2026 15:07 | MrYhatoh | G - Persistent Queue | C++23 (GCC 14-64, msys2) | Wrong answer on test 1 | 15 ms | 18000 KB |
| 382354560 | Jul/13/2026 08:58 | qwwqcy | G - Persistent Queue | C++23 (GCC 14-64, msys2) | Memory limit exceeded on test 14 | 765 ms | 262100 KB |
| 382354497 | Jul/13/2026 08:57 | qwwqcy | G - Persistent Queue | C++23 (GCC 14-64, msys2) | Accepted | 734 ms | 26900 KB |
| 382354453 | Jul/13/2026 08:57 | qwwqcy | G - Persistent Queue | C++23 (GCC 14-64, msys2) | Time limit exceeded on test 14 | 1000 ms | 98700 KB |
| 381970768 | Jul/10/2026 15:01 | _QLe | F - Permutations with Monotonic Segments | C++20 (GCC 13-64) | Accepted | 78 ms | 100 KB |
| 381970694 | Jul/10/2026 15:01 | _QLe | F - Permutations with Monotonic Segments | C++20 (GCC 13-64) | Runtime error on test 1 | 15 ms | 0 KB |
| 381966402 | Jul/10/2026 14:29 | qiaodifehf | F - Permutations with Monotonic Segments | C++17 (GCC 7-32) | Accepted | 109 ms | 0 KB |
| 381965072 | Jul/10/2026 14:18 | qiaodifehf | F - Permutations with Monotonic Segments | C++17 (GCC 7-32) | Wrong answer on test 41 | 46 ms | 0 KB |
| 381964647 | Jul/10/2026 14:15 | qiaodifehf | F - Permutations with Monotonic Segments | C++17 (GCC 7-32) | Memory limit exceeded on test 1 | 156 ms | 262100 KB |
| 380084951 | Jun/25/2026 09:51 | qwwqcy | D - Bubble Sort | C++17 (GCC 7-32) | Accepted | 46 ms | 0 KB |
| 377385498 | Jun/05/2026 14:21 | zhuchenyao | G - Persistent Queue | C++20 (GCC 13-64) | Accepted | 234 ms | 72800 KB |
| 377385375 | Jun/05/2026 14:20 | zhuchenyao | G - Persistent Queue | C++20 (GCC 13-64) | Accepted | 187 ms | 72800 KB |
| 377385282 | Jun/05/2026 14:19 | zhuchenyao | G - Persistent Queue | C++20 (GCC 13-64) | Wrong answer on test 39 | 187 ms | 72800 KB |
| 377384974 | Jun/05/2026 14:16 | zhuchenyao | G - Persistent Queue | C++20 (GCC 13-64) | Wrong answer on test 39 | 203 ms | 65000 KB |
| 377384885 | Jun/05/2026 14:15 | zhuchenyao | G - Persistent Queue | C++20 (GCC 13-64) | Idleness limit exceeded on test 1 | 0 ms | 0 KB |
| 377384833 | Jun/05/2026 14:14 | zhuchenyao | G - Persistent Queue | C++20 (GCC 13-64) | Memory limit exceeded on test 1 | 31 ms | 262100 KB |
| 377253157 | Jun/04/2026 10:49 | Hangyu2011 | G - Persistent Queue | C++17 (GCC 7-32) | Accepted | 203 ms | 16900 KB |
| 377252922 | Jun/04/2026 10:47 | Hangyu2011 | G - Persistent Queue | C++17 (GCC 7-32) | Wrong answer on test 6 | 93 ms | 3500 KB |
| 373681857 | May/06/2026 10:46 | chenwz | H - Sea Port | C++20 (GCC 13-64) | Accepted | 203 ms | 4300 KB |
| 373679944 | May/06/2026 10:37 | chenwz | H - Sea Port | C++20 (GCC 13-64) | Compilation error | 0 ms | 0 KB |
| 373678906 | May/06/2026 10:32 | chenwz | H - Sea Port | C++20 (GCC 13-64) | Accepted | 218 ms | 4300 KB |
| 373602612 | May/05/2026 17:06 | chenwz | A - Achromatic Number | C++20 (GCC 13-64) | Accepted | 46 ms | 100 KB |
| 373602211 | May/05/2026 17:01 | chenwz | A - Achromatic Number | C++20 (GCC 13-64) | Wrong answer on test 1 | 15 ms | 0 KB |
| 373601457 | May/05/2026 16:53 | chenwz | A - Achromatic Number | C++20 (GCC 13-64) | Accepted | 46 ms | 0 KB |
| 373600873 | May/05/2026 16:48 | chenwz | A - Achromatic Number | C++20 (GCC 13-64) | Accepted | 62 ms | 100 KB |
| 373600729 | May/05/2026 16:46 | chenwz | A - Achromatic Number | C++20 (GCC 13-64) | Wrong answer on test 5 | 31 ms | 0 KB |
| 373571825 | May/05/2026 10:37 | chenwz | F - Permutations with Monotonic Segments | C++20 (GCC 13-64) | Accepted | 46 ms | 100 KB |
| 373571583 | May/05/2026 10:34 | chenwz | F - Permutations with Monotonic Segments | C++20 (GCC 13-64) | Compilation error | 0 ms | 0 KB |
| 373568279 | May/05/2026 09:46 | chenwz | G - Persistent Queue | C++20 (GCC 13-64) | Accepted | 437 ms | 23100 KB |
| 373556277 | May/05/2026 05:56 | chenwz | H - Sea Port | C++20 (GCC 13-64) | Accepted | 750 ms | 40100 KB |
| 373556265 | May/05/2026 05:56 | chenwz | G - Persistent Queue | C++20 (GCC 13-64) | Accepted | 406 ms | 23100 KB |
| 373556257 | May/05/2026 05:56 | chenwz | F - Permutations with Monotonic Segments | C++20 (GCC 13-64) | Accepted | 46 ms | 100 KB |
| 373556254 | May/05/2026 05:56 | chenwz | E - Word Cover | C++20 (GCC 13-64) | Accepted | 140 ms | 100 KB |
| 373556241 | May/05/2026 05:56 | chenwz | D - Bubble Sort | C++20 (GCC 13-64) | Accepted | 62 ms | 100 KB |
| 373556233 | May/05/2026 05:55 | chenwz | C - Blind Flibs | C++20 (GCC 13-64) | Accepted | 46 ms | 100 KB |
| 373556227 | May/05/2026 05:55 | chenwz | A - Achromatic Number | C++20 (GCC 13-64) | Accepted | 46 ms | 100 KB |
| 373556204 | May/05/2026 05:55 | chenwz | B - Binary Search | PyPy 3-64 | Accepted | 296 ms | 7900 KB |
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