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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.
→ 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.
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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 |
|---|---|---|---|---|---|---|---|
| 381825642 | Jul/09/2026 12:01 | SoiMae# | B - Binary Suffix Array | C++23 (GCC 14-64, msys2) | Wrong answer on test 4 | 31 ms | 3800 KB |
| 381824556 | Jul/09/2026 11:53 | SoiMae# | B - Binary Suffix Array | C++23 (GCC 14-64, msys2) | Time limit exceeded on test 19 | 1000 ms | 2700 KB |
| 381823674 | Jul/09/2026 11:46 | SoiMae# | I - In Touch | C++23 (GCC 14-64, msys2) | Accepted | 984 ms | 29100 KB |
| 381819775 | Jul/09/2026 11:16 | SoiMae# | I - In Touch | C++23 (GCC 14-64, msys2) | Wrong answer on test 5 | 93 ms | 20700 KB |
| 381819688 | Jul/09/2026 11:15 | SoiMae# | H - Handsome Division | C++23 (GCC 14-64, msys2) | Accepted | 15 ms | 0 KB |
| 381819661 | Jul/09/2026 11:15 | SoiMae# | I - In Touch | C++23 (GCC 14-64, msys2) | Accepted | 750 ms | 7900 KB |
| 381819282 | Jul/09/2026 11:12 | SoiMae# | H - Handsome Division | C++23 (GCC 14-64, msys2) | Accepted | 437 ms | 2300 KB |
| 381819009 | Jul/09/2026 11:10 | SoiMae# | H - Handsome Division | C++23 (GCC 14-64, msys2) | Wrong answer on test 1 | 15 ms | 100 KB |
| 381818315 | Jul/09/2026 11:04 | SoiMae# | H - Handsome Division | C++23 (GCC 14-64, msys2) | Accepted | 31 ms | 800 KB |
| 381817836 | Jul/09/2026 11:01 | SoiMae# | H - Handsome Division | C++23 (GCC 14-64, msys2) | Wrong answer on test 1 | 31 ms | 800 KB |
| 381817577 | Jul/09/2026 10:59 | SoiMae# | I - In Touch | C++23 (GCC 14-64, msys2) | Wrong answer on test 5 | 93 ms | 18800 KB |
| 381816467 | Jul/09/2026 10:50 | SoiMae# | I - In Touch | C++23 (GCC 14-64, msys2) | Wrong answer on test 5 | 78 ms | 18700 KB |
| 381815265 | Jul/09/2026 10:41 | SoiMae# | A - Average Convex Hull | C++23 (GCC 14-64, msys2) | Accepted | 328 ms | 26000 KB |
| 381814175 | Jul/09/2026 10:32 | SoiMae# | I - In Touch | C++23 (GCC 14-64, msys2) | Wrong answer on test 5 | 78 ms | 18800 KB |
| 381814147 | Jul/09/2026 10:31 | SoiMae# | A - Average Convex Hull | C++23 (GCC 14-64, msys2) | Wrong answer on test 2 | 31 ms | 23500 KB |
| 381813385 | Jul/09/2026 10:25 | SoiMae# | I - In Touch | C++23 (GCC 14-64, msys2) | Wrong answer on test 5 | 109 ms | 18700 KB |
| 381811645 | Jul/09/2026 10:11 | SoiMae# | A - Average Convex Hull | C++23 (GCC 14-64, msys2) | Wrong answer on test 13 | 46 ms | 23500 KB |
| 381811363 | Jul/09/2026 10:09 | SoiMae# | B - Binary Suffix Array | C++23 (GCC 14-64, msys2) | Wrong answer on test 12 | 46 ms | 2700 KB |
| 381811084 | Jul/09/2026 10:07 | SoiMae# | I - In Touch | C++23 (GCC 14-64, msys2) | Time limit exceeded on test 13 | 2000 ms | 26600 KB |
| 381810753 | Jul/09/2026 10:04 | SoiMae# | A - Average Convex Hull | C++23 (GCC 14-64, msys2) | Wrong answer on test 13 | 31 ms | 16700 KB |
| 381810720 | Jul/09/2026 10:04 | SoiMae# | A - Average Convex Hull | C++23 (GCC 14-64, msys2) | Runtime error on test 1 | 15 ms | 16600 KB |
| 381810246 | Jul/09/2026 09:59 | SoiMae# | I - In Touch | C++23 (GCC 14-64, msys2) | Accepted | 1031 ms | 88600 KB |
| 381810227 | Jul/09/2026 09:59 | SoiMae# | B - Binary Suffix Array | C++23 (GCC 14-64, msys2) | Wrong answer on test 11 | 46 ms | 2700 KB |
| 381808378 | Jul/09/2026 09:41 | SoiMae# | B - Binary Suffix Array | C++23 (GCC 14-64, msys2) | Wrong answer on test 12 | 31 ms | 2700 KB |
| 381775700 | Jul/09/2026 00:39 | Verve | B - Binary Suffix Array | C++20 (GCC 13-64) | Wrong answer on test 10 | 46 ms | 0 KB |
| 381651983 | Jul/08/2026 00:34 | Verve | I - In Touch | C++20 (GCC 13-64) | Accepted | 1562 ms | 29000 KB |
| 381651608 | Jul/08/2026 00:23 | Verve | I - In Touch | C++20 (GCC 13-64) | Wrong answer on test 2 | 31 ms | 0 KB |
| 381286070 | Jul/05/2026 05:01 | qwwqcy | F - Free of Squares | C++17 (GCC 7-32) | Wrong answer on test 33 | 46 ms | 0 KB |
| 381285848 | Jul/05/2026 04:53 | qwwqcy | F - Free of Squares | C++17 (GCC 7-32) | Accepted | 46 ms | 0 KB |
| 378046577 | Jun/10/2026 10:36 | Hangyu2011 | E - Elections | C++23 (GCC 14-64, msys2) | Accepted | 375 ms | 10700 KB |
| 378046490 | Jun/10/2026 10:35 | Hangyu2011 | E - Elections | C++23 (GCC 14-64, msys2) | Accepted | 1296 ms | 73600 KB |
| 378046325 | Jun/10/2026 10:33 | Hangyu2011 | E - Elections | C++23 (GCC 14-64, msys2) | Wrong answer on test 1 | 31 ms | 1400 KB |
| 378045755 | Jun/10/2026 10:28 | Hangyu2011 | E - Elections | C++23 (GCC 14-64, msys2) | Wrong answer on test 13 | 2437 ms | 8200 KB |
| 378045719 | Jun/10/2026 10:28 | Hangyu2011 | E - Elections | C++23 (GCC 14-64, msys2) | Wrong answer on test 13 | 93 ms | 400 KB |
| 378045522 | Jun/10/2026 10:26 | Hangyu2011 | E - Elections | C++23 (GCC 14-64, msys2) | Wrong answer on test 13 | 109 ms | 400 KB |
| 376865693 | Jun/01/2026 12:13 | zuixin | H - Handsome Division | C++20 (GCC 13-64) | Accepted | 31 ms | 72500 KB |
| 376865435 | Jun/01/2026 12:10 | zuixin | H - Handsome Division | C++20 (GCC 13-64) | Wrong answer on test 1 | 31 ms | 72500 KB |
| 376865295 | Jun/01/2026 12:09 | zuixin | H - Handsome Division | C++20 (GCC 13-64) | Wrong answer on test 1 | 15 ms | 72500 KB |
| 376412295 | May/28/2026 16:28 | ttxs1233 | E - Elections | C++17 (GCC 7-32) | Accepted | 140 ms | 4500 KB |
| 376412095 | May/28/2026 16:26 | ttxs1233 | E - Elections | C++17 (GCC 7-32) | Compilation error | 0 ms | 0 KB |
| 376411928 | May/28/2026 16:25 | ttxs1233 | E - Elections | C++17 (GCC 7-32) | Wrong answer on test 1 | 31 ms | 4400 KB |
| 376411360 | May/28/2026 16:20 | ttxs1233 | E - Elections | C++17 (GCC 7-32) | Wrong answer on test 16 | 46 ms | 4500 KB |
| 376234429 | May/27/2026 02:23 | zuixin | I - In Touch | C++20 (GCC 13-64) | Accepted | 156 ms | 16200 KB |
| 376155495 | May/26/2026 11:15 | syzxliangyuhan | I - In Touch | C++20 (GCC 13-64) | Accepted | 546 ms | 11800 KB |
| 376155433 | May/26/2026 11:15 | syzxliangyuhan | I - In Touch | C++20 (GCC 13-64) | Accepted | 578 ms | 9800 KB |
| 376101967 | May/26/2026 06:38 | lyh3.14 | B - Binary Suffix Array | C++23 (GCC 14-64, msys2) | Accepted | 171 ms | 18800 KB |
| 376101962 | May/26/2026 06:38 | lyh3.14 | B - Binary Suffix Array | C++23 (GCC 14-64, msys2) | Accepted | 156 ms | 37600 KB |
| 376100138 | May/26/2026 06:06 | lyh3.14 | B - Binary Suffix Array | C++23 (GCC 14-64, msys2) | Accepted | 203 ms | 42300 KB |
| 376100048 | May/26/2026 06:05 | lyh3.14 | B - Binary Suffix Array | C++23 (GCC 14-64, msys2) | Runtime error on test 3 | 31 ms | 21100 KB |
| 376099980 | May/26/2026 06:04 | lyh3.14 | B - Binary Suffix Array | C++23 (GCC 14-64, msys2) | Runtime error on test 3 | 31 ms | 18800 KB |
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