→ 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 |
|---|---|---|---|---|---|---|---|
| 389581486 | Sep/05/2026 21:23 | HFTilted: 300iq, andreyDagger# | K - XOR | C++23 (GCC 14-64, msys2) | Accepted | 62 ms | 100 KB |
| 389581185 | Sep/05/2026 21:20 | HFTilted: 300iq, andreyDagger# | H - Road Signs | C++23 (GCC 14-64, msys2) | Accepted | 62 ms | 31700 KB |
| 389580838 | Sep/05/2026 21:17 | HFTilted: 300iq, andreyDagger# | G - Inverse Range Minimum Query | C++23 (GCC 14-64, msys2) | Accepted | 250 ms | 11800 KB |
| 389580563 | Sep/05/2026 21:14 | HFTilted: 300iq, andreyDagger# | D - Avoiding Partitions | C++23 (GCC 14-64, msys2) | Accepted | 124 ms | 400 KB |
| 389580388 | Sep/05/2026 21:13 | HFTilted: 300iq, andreyDagger# | D - Avoiding Partitions | C++23 (GCC 14-64, msys2) | Wrong answer on test 27 | 62 ms | 400 KB |
| 389580253 | Sep/05/2026 21:11 | HFTilted: 300iq, andreyDagger# | D - Avoiding Partitions | C++23 (GCC 14-64, msys2) | Wrong answer on test 27 | 92 ms | 400 KB |
| 389580054 | Sep/05/2026 21:10 | HFTilted: 300iq, andreyDagger# | D - Avoiding Partitions | C++23 (GCC 14-64, msys2) | Wrong answer on test 27 | 92 ms | 400 KB |
| 389579875 | Sep/05/2026 21:08 | HFTilted: 300iq, andreyDagger# | D - Avoiding Partitions | C++23 (GCC 14-64, msys2) | Time limit exceeded on test 27 | 2000 ms | 400 KB |
| 385778402 | Aug/05/2026 18:55 | cai-007 | K - XOR | C++17 (GCC 7-32) | Wrong answer on test 19 | 62 ms | 0 KB |
| 385392727 | Aug/03/2026 14:14 | qwwqcy | J - Wikipidia | GNU C11 | Compilation error | 0 ms | 0 KB |
| 385392596 | Aug/03/2026 14:12 | qwwqcy | J - Wikipidia | C++17 (GCC 7-32) | Compilation error | 0 ms | 0 KB |
| 385379872 | Aug/03/2026 12:31 | ZeroTom | K - XOR | C++23 (GCC 14-64, msys2) | Accepted | 92 ms | 0 KB |
| 385374980 | Aug/03/2026 11:56 | ZeroTom | K - XOR | C++23 (GCC 14-64, msys2) | Accepted | 92 ms | 100 KB |
| 385374845 | Aug/03/2026 11:55 | panqiyu | K - XOR | C++23 (GCC 14-64, msys2) | Accepted | 92 ms | 100 KB |
| 385374806 | Aug/03/2026 11:55 | qwwqcy | J - Wikipidia | C++17 (GCC 7-32) | Runtime error on test 2 | 30 ms | 123300 KB |
| 385374539 | Aug/03/2026 11:53 | panqiyu | K - XOR | C++23 (GCC 14-64, msys2) | Accepted | 62 ms | 0 KB |
| 385373590 | Aug/03/2026 11:48 | ZeroTom | K - XOR | C++23 (GCC 14-64, msys2) | Wrong answer on test 1 | 62 ms | 0 KB |
| 385372169 | Aug/03/2026 11:38 | ZeroTom | K - XOR | C++23 (GCC 14-64, msys2) | Wrong answer on test 1 | 30 ms | 0 KB |
| 381841607 | Jul/09/2026 14:17 | _QLe | K - XOR | C++20 (GCC 13-64) | Accepted | 92 ms | 0 KB |
| 381841538 | Jul/09/2026 14:16 | _QLe | K - XOR | C++20 (GCC 13-64) | Runtime error on test 1 | 62 ms | 0 KB |
| 381839968 | Jul/09/2026 14:02 | qiaodifehf | K - XOR | C++17 (GCC 7-32) | Accepted | 92 ms | 0 KB |
| 381839887 | Jul/09/2026 14:02 | _QLe | K - XOR | C++17 (GCC 7-32) | Accepted | 62 ms | 0 KB |
| 381828977 | Jul/09/2026 12:29 | _QLe | K - XOR | C++20 (GCC 13-64) | Accepted | 62 ms | 100 KB |
| 381828948 | Jul/09/2026 12:29 | _QLe | K - XOR | C++20 (GCC 13-64) | Wrong answer on test 1 | 30 ms | 0 KB |
| 381828089 | Jul/09/2026 12:22 | qiaodifehf | K - XOR | C++17 (GCC 7-32) | Wrong answer on test 10 | 62 ms | 0 KB |
| 381827927 | Jul/09/2026 12:21 | qiaodifehf | K - XOR | C++17 (GCC 7-32) | Wrong answer on test 10 | 62 ms | 0 KB |
| 381827637 | Jul/09/2026 12:18 | qiaodifehf | K - XOR | C++17 (GCC 7-32) | Runtime error on test 8 | 1000 ms | 0 KB |
| 381827515 | Jul/09/2026 12:18 | _QLe | K - XOR | C++20 (GCC 13-64) | Wrong answer on test 19 | 92 ms | 0 KB |
| 381827387 | Jul/09/2026 12:16 | qiaodifehf | K - XOR | C++17 (GCC 7-32) | Runtime error on test 8 | 1030 ms | 0 KB |
| 381827194 | Jul/09/2026 12:15 | _QLe | K - XOR | C++20 (GCC 13-64) | Wrong answer on test 19 | 92 ms | 0 KB |
| 381826936 | Jul/09/2026 12:12 | qiaodifehf | K - XOR | C++17 (GCC 7-32) | Runtime error on test 8 | 1092 ms | 0 KB |
| 381826837 | Jul/09/2026 12:12 | _QLe | K - XOR | C++20 (GCC 13-64) | Wrong answer on test 1 | 30 ms | 0 KB |
| 381826934 | Jul/09/2026 12:12 | _QLe | K - XOR | C++20 (GCC 13-64) | Wrong answer on test 1 | 62 ms | 0 KB |
| 381826171 | Jul/09/2026 12:06 | _QLe | K - XOR | C++20 (GCC 13-64) | Wrong answer on test 1 | 62 ms | 0 KB |
| 381826102 | Jul/09/2026 12:06 | qiaodifehf | K - XOR | C++17 (GCC 7-32) | Runtime error on test 1 | 62 ms | 0 KB |
| 381824664 | Jul/09/2026 11:54 | _QLe | K - XOR | C++20 (GCC 13-64) | Runtime error on test 1 | 62 ms | 0 KB |
| 381824413 | Jul/09/2026 11:52 | _QLe | K - XOR | C++20 (GCC 13-64) | Runtime error on test 1 | 62 ms | 0 KB |
| 381824370 | Jul/09/2026 11:51 | _QLe | K - XOR | C++20 (GCC 13-64) | Runtime error on test 1 | 62 ms | 0 KB |
| 381823630 | Jul/09/2026 11:46 | _QLe | K - XOR | C++20 (GCC 13-64) | Runtime error on test 1 | 30 ms | 0 KB |
| 381823084 | Jul/09/2026 11:41 | _QLe | K - XOR | C++20 (GCC 13-64) | Runtime error on test 1 | 62 ms | 258700 KB |
| 381822314 | Jul/09/2026 11:35 | _QLe | K - XOR | C++20 (GCC 13-64) | Runtime error on test 1 | 62 ms | 258800 KB |
| 380067441 | Jun/25/2026 04:56 | qwwqcy | F - Reversing Prefixes | C++17 (GCC 7-32) | Accepted | 250 ms | 9500 KB |
| 378564466 | Jun/14/2026 05:09 | qwwqcy | G - Inverse Range Minimum Query | C++17 (GCC 7-32) | Wrong answer on test 1 | 30 ms | 0 KB |
| 378042093 | Jun/10/2026 09:54 | qwwqcy | G - Inverse Range Minimum Query | C++20 (GCC 13-64) | Accepted | 342 ms | 17400 KB |
| 378021600 | Jun/10/2026 03:09 | Hangyu2011 | K - XOR | C++23 (GCC 14-64, msys2) | Accepted | 92 ms | 7800 KB |
| 378021590 | Jun/10/2026 03:08 | Hangyu2011 | K - XOR | C++23 (GCC 14-64, msys2) | Accepted | 62 ms | 7800 KB |
| 377877614 | Jun/09/2026 11:49 | Hangyu2011 | K - XOR | C++23 (GCC 14-64, msys2) | Wrong answer on test 8 | 92 ms | 7900 KB |
| 377875979 | Jun/09/2026 11:31 | Hangyu2011 | K - XOR | C++23 (GCC 14-64, msys2) | Wrong answer on test 8 | 62 ms | 7800 KB |
| 373886176 | May/08/2026 10:29 | syzxliangyuhan | J - Wikipidia | C++20 (GCC 13-64) | Accepted | 124 ms | 4900 KB |
| 373886147 | May/08/2026 10:28 | syzxliangyuhan | J - Wikipidia | C++20 (GCC 13-64) | Compilation error | 0 ms | 0 KB |
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