→ 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 |
|---|---|---|---|---|---|---|---|
| 395125783 | Oct/18/2026 20:28 | enuch | D - More Divisors | C++23 (GCC 14-64, msys2) | Wrong answer on test 1 | 30 ms | 0 KB |
| 395125715 | Oct/18/2026 20:28 | enuch | D - More Divisors | C++23 (GCC 14-64, msys2) | Wrong answer on test 1 | 0 ms | 0 KB |
| 394270523 | Oct/12/2026 15:11 | superLYT | H - Periodic Tilings | C++17 (GCC 7-32) | Wrong answer on test 1 | 30 ms | 0 KB |
| 394062889 | Oct/11/2026 04:08 | chenwz | H - Periodic Tilings | C++20 (GCC 13-64) | Accepted | 92 ms | 0 KB |
| 389393468 | Sep/04/2026 21:30 | Shinoz | C - Order-Preserving Codes | C++23 (GCC 14-64, msys2) | Time limit exceeded on test 15 | 1000 ms | 47400 KB |
| 389389583 | Sep/04/2026 20:50 | Shinoz | A - The Smart Bomb | C++23 (GCC 14-64, msys2) | Accepted | 62 ms | 100 KB |
| 389389525 | Sep/04/2026 20:49 | Shinoz | A - The Smart Bomb | C++23 (GCC 14-64, msys2) | Accepted | 92 ms | 100 KB |
| 389279828 | Sep/03/2026 18:09 | wphsucf | D - More Divisors | Java 21 | Accepted | 562 ms | 1500 KB |
| 389279777 | Sep/03/2026 18:08 | wphsucf | D - More Divisors | Java 21 | Accepted | 562 ms | 2100 KB |
| 389274325 | Sep/03/2026 17:19 | wphsucf | D - More Divisors | Java 21 | Accepted | 624 ms | 1600 KB |
| 389273491 | Sep/03/2026 17:11 | wphsucf | D - More Divisors | Java 21 | Accepted | 624 ms | 1500 KB |
| 389273070 | Sep/03/2026 17:07 | wphsucf | D - More Divisors | Java 21 | Runtime error on test 1 | 406 ms | 800 KB |
| 386587357 | Aug/11/2026 12:17 | qwwqcy | B - I Just Called... | C++17 (GCC 7-32) | Wrong answer on test 10 | 92 ms | 200 KB |
| 386583889 | Aug/11/2026 11:48 | qwwqcy | B - I Just Called... | C++17 (GCC 7-32) | Wrong answer on test 15 | 92 ms | 5600 KB |
| 386573038 | Aug/11/2026 10:18 | qwwqcy | B - I Just Called... | C++17 (GCC 7-32) | Accepted | 124 ms | 23700 KB |
| 386553777 | Aug/11/2026 06:30 | qwwqcy | B - I Just Called... | C++17 (GCC 7-32) | Wrong answer on test 1 | 30 ms | 0 KB |
| 386553706 | Aug/11/2026 06:29 | qwwqcy | B - I Just Called... | C++17 (GCC 7-32) | Wrong answer on test 1 | 30 ms | 0 KB |
| 386550945 | Aug/11/2026 05:40 | qwwqcy | B - I Just Called... | C++17 (GCC 7-32) | Accepted | 342 ms | 3300 KB |
| 385079825 | Aug/01/2026 12:03 | qwwqcy | K - Unfair Contest | C++17 (GCC 7-32) | Accepted | 718 ms | 100 KB |
| 385079625 | Aug/01/2026 12:01 | qwwqcy | K - Unfair Contest | C++23 (GCC 14-64, msys2) | Wrong answer on test 5 | 812 ms | 0 KB |
| 385079669 | Aug/01/2026 12:02 | qwwqcy | K - Unfair Contest | C++23 (GCC 14-64, msys2) | Wrong answer on test 5 | 500 ms | 100 KB |
| 385079646 | Aug/01/2026 12:01 | qwwqcy | K - Unfair Contest | C++23 (GCC 14-64, msys2) | Compilation error | 0 ms | 0 KB |
| 382510006 | Jul/14/2026 11:35 | lkotyaral | C - Order-Preserving Codes | C++20 (GCC 13-64) | Wrong answer on test 1 | 62 ms | 0 KB |
| 382507662 | Jul/14/2026 11:22 | lkotyaral | C - Order-Preserving Codes | C++20 (GCC 13-64) | Wrong answer on test 3 | 62 ms | 0 KB |
| 382063071 | Jul/11/2026 06:23 | _QLe | G - Cracking SSH | C++20 (GCC 13-64) | Accepted | 92 ms | 0 KB |
| 382062817 | Jul/11/2026 06:20 | _QLe | G - Cracking SSH | C++20 (GCC 13-64) | Wrong answer on test 3 | 62 ms | 0 KB |
| 382062783 | Jul/11/2026 06:19 | _QLe | G - Cracking SSH | C++20 (GCC 13-64) | Runtime error on test 1 | 62 ms | 0 KB |
| 382062164 | Jul/11/2026 06:10 | _QLe | G - Cracking SSH | C++20 (GCC 13-64) | Wrong answer on test 3 | 30 ms | 0 KB |
| 382061908 | Jul/11/2026 06:07 | _QLe | G - Cracking SSH | C++20 (GCC 13-64) | Runtime error on test 1 | 30 ms | 0 KB |
| 381984565 | Jul/10/2026 16:48 | qiaodifehf | G - Cracking SSH | C++17 (GCC 7-32) | Accepted | 62 ms | 0 KB |
| 381984440 | Jul/10/2026 16:47 | qiaodifehf | G - Cracking SSH | C++17 (GCC 7-32) | Time limit exceeded on test 1 | 1000 ms | 34200 KB |
| 380064755 | Jun/25/2026 03:05 | kkzyr | C - Order-Preserving Codes | C++23 (GCC 14-64, msys2) | Accepted | 124 ms | 47300 KB |
| 380064687 | Jun/25/2026 03:02 | kkzyr | C - Order-Preserving Codes | C++23 (GCC 14-64, msys2) | Wrong answer on test 1 | 62 ms | 47200 KB |
| 380064659 | Jun/25/2026 03:01 | kkzyr | C - Order-Preserving Codes | C++23 (GCC 14-64, msys2) | Wrong answer on test 1 | 0 ms | 47200 KB |
| 380064560 | Jun/25/2026 02:56 | kkzyr | C - Order-Preserving Codes | C++23 (GCC 14-64, msys2) | Wrong answer on test 1 | 62 ms | 47200 KB |
| 377865931 | Jun/09/2026 10:10 | Hangyu2011 | E - Long Dominoes | C++23 (GCC 14-64, msys2) | Accepted | 92 ms | 4100 KB |
| 377865839 | Jun/09/2026 10:09 | Hangyu2011 | E - Long Dominoes | C++23 (GCC 14-64, msys2) | Accepted | 92 ms | 4200 KB |
| 377865802 | Jun/09/2026 10:08 | Hangyu2011 | E - Long Dominoes | C++23 (GCC 14-64, msys2) | Wrong answer on test 1 | 0 ms | 4100 KB |
| 377859390 | Jun/09/2026 09:28 | Hangyu2011 | D - More Divisors | C++23 (GCC 14-64, msys2) | Accepted | 92 ms | 0 KB |
| 377859352 | Jun/09/2026 09:28 | Hangyu2011 | D - More Divisors | C++23 (GCC 14-64, msys2) | Wrong answer on test 66 | 92 ms | 0 KB |
| 377859322 | Jun/09/2026 09:27 | Hangyu2011 | D - More Divisors | C++23 (GCC 14-64, msys2) | Wrong answer on test 63 | 92 ms | 0 KB |
| 377859291 | Jun/09/2026 09:27 | Hangyu2011 | D - More Divisors | C++23 (GCC 14-64, msys2) | Accepted | 92 ms | 0 KB |
| 377858632 | Jun/09/2026 09:20 | Hangyu2011 | D - More Divisors | C++23 (GCC 14-64, msys2) | Accepted | 92 ms | 0 KB |
| 377858588 | Jun/09/2026 09:19 | Hangyu2011 | D - More Divisors | C++23 (GCC 14-64, msys2) | Accepted | 124 ms | 0 KB |
| 377858526 | Jun/09/2026 09:18 | Hangyu2011 | D - More Divisors | C++23 (GCC 14-64, msys2) | Wrong answer on test 13 | 92 ms | 0 KB |
| 375634802 | May/22/2026 14:09 | msab3f | C - Order-Preserving Codes | C++20 (GCC 13-64) | Accepted | 156 ms | 47500 KB |
| 375224517 | May/19/2026 15:02 | SupersonicMan12 | C - Order-Preserving Codes | C++20 (GCC 13-64) | Accepted | 124 ms | 47300 KB |
| 375223935 | May/19/2026 14:55 | SupersonicMan12 | C - Order-Preserving Codes | C++20 (GCC 13-64) | Memory limit exceeded on test 1 | 92 ms | 65500 KB |
| 374261685 | May/12/2026 11:00 | sukrit.limp | C - Order-Preserving Codes | C++20 (GCC 13-64) | Accepted | 186 ms | 46700 KB |
| 373889898 | May/08/2026 11:25 | Warinchai_s | C - Order-Preserving Codes | C++20 (GCC 13-64) | Wrong answer on test 1 | 62 ms | 62900 KB |
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