→ 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 |
|---|---|---|---|---|---|---|---|
| 372207753 | Apr/23/2026 10:05 | qwwqcy | D - GridBagLayout | C++20 (GCC 13-64) | Accepted | 46 ms | 35300 KB |
| 371847019 | Apr/20/2026 11:44 | 0xor1 | A - Chip Installation | C++23 (GCC 14-64, msys2) | Wrong answer on test 13 | 78 ms | 18200 KB |
| 371846154 | Apr/20/2026 11:32 | 0xor1 | A - Chip Installation | C++23 (GCC 14-64, msys2) | Wrong answer on test 13 | 62 ms | 16900 KB |
| 371448048 | Apr/17/2026 06:14 | qwwqcy | J - Squary Set | C++20 (GCC 13-64) | Accepted | 109 ms | 33000 KB |
| 371448018 | Apr/17/2026 06:13 | qwwqcy | H - Restoring Permutation | C++20 (GCC 13-64) | Accepted | 62 ms | 800 KB |
| 371447972 | Apr/17/2026 06:12 | qwwqcy | G - Magic Potions | C++20 (GCC 13-64) | Accepted | 296 ms | 11300 KB |
| 371447930 | Apr/17/2026 06:11 | qwwqcy | J - Squary Set | C++20 (GCC 13-64) | Accepted | 46 ms | 100 KB |
| 371447893 | Apr/17/2026 06:10 | qwwqcy | G - Magic Potions | C++20 (GCC 13-64) | Accepted | 203 ms | 5100 KB |
| 371447869 | Apr/17/2026 06:09 | qwwqcy | H - Restoring Permutation | C++20 (GCC 13-64) | Accepted | 93 ms | 1600 KB |
| 371447778 | Apr/17/2026 06:07 | qwwqcy | D - GridBagLayout | C++20 (GCC 13-64) | Wrong answer on test 1 | 15 ms | 100 KB |
| 371447765 | Apr/17/2026 06:07 | qwwqcy | G - Magic Potions | C++20 (GCC 13-64) | Compilation error | 0 ms | 0 KB |
| 371447691 | Apr/17/2026 06:05 | qwwqcy | D - GridBagLayout | C++20 (GCC 13-64) | Wrong answer on test 12 | 31 ms | 100 KB |
| 371447683 | Apr/17/2026 06:04 | qwwqcy | F - Knapsack Problem | C++20 (GCC 13-64) | Accepted | 46 ms | 200 KB |
| 371447630 | Apr/17/2026 06:03 | qwwqcy | F - Knapsack Problem | C++20 (GCC 13-64) | Accepted | 31 ms | 100 KB |
| 371447617 | Apr/17/2026 06:03 | qwwqcy | D - GridBagLayout | C++20 (GCC 13-64) | Wrong answer on test 12 | 31 ms | 100 KB |
| 371447552 | Apr/17/2026 06:01 | qwwqcy | E - Hot Potato Routing | C++20 (GCC 13-64) | Accepted | 171 ms | 100 KB |
| 371447498 | Apr/17/2026 06:00 | qwwqcy | E - Hot Potato Routing | C++20 (GCC 13-64) | Accepted | 62 ms | 0 KB |
| 371447474 | Apr/17/2026 05:59 | qwwqcy | D - GridBagLayout | C++20 (GCC 13-64) | Wrong answer on test 3 | 31 ms | 100 KB |
| 371447434 | Apr/17/2026 05:58 | qwwqcy | E - Hot Potato Routing | C++17 (GCC 7-32) | Compilation error | 0 ms | 0 KB |
| 371447357 | Apr/17/2026 05:56 | qwwqcy | E - Hot Potato Routing | C++20 (GCC 13-64) | Compilation error | 0 ms | 0 KB |
| 371447215 | Apr/17/2026 05:51 | qwwqcy | C - Preparing Documents | C++20 (GCC 13-64) | Accepted | 562 ms | 17200 KB |
| 371447164 | Apr/17/2026 05:50 | qwwqcy | C - Preparing Documents | C++20 (GCC 13-64) | Accepted | 546 ms | 17200 KB |
| 371447053 | Apr/17/2026 05:46 | qwwqcy | B - Divisible Substrings | C++20 (GCC 13-64) | Accepted | 62 ms | 400 KB |
| 371447008 | Apr/17/2026 05:45 | qwwqcy | B - Divisible Substrings | C++20 (GCC 13-64) | Accepted | 31 ms | 200 KB |
| 371446930 | Apr/17/2026 05:43 | qwwqcy | A - Chip Installation | C++20 (GCC 13-64) | Accepted | 156 ms | 2300 KB |
| 371446890 | Apr/17/2026 05:42 | qwwqcy | A - Chip Installation | C++20 (GCC 13-64) | Accepted | 140 ms | 2200 KB |
| 360920114 | Feb/01/2026 00:00 | Whoname | H - Restoring Permutation | C++23 (GCC 14-64, msys2) | Accepted | 78 ms | 100 KB |
| 360811662 | Jan/31/2026 09:07 | Whoname | J - Squary Set | C++23 (GCC 14-64, msys2) | Accepted | 281 ms | 47200 KB |
| 360810869 | Jan/31/2026 09:01 | Whoname | J - Squary Set | C++23 (GCC 14-64, msys2) | Time limit exceeded on test 25 | 2000 ms | 47200 KB |
| 360806050 | Jan/31/2026 08:18 | Whoname | J - Squary Set | C++23 (GCC 14-64, msys2) | Wrong answer on test 7 | 31 ms | 100 KB |
| 360805877 | Jan/31/2026 08:17 | Whoname | J - Squary Set | C++23 (GCC 14-64, msys2) | Wrong answer on test 1 | 15 ms | 0 KB |
| 360348392 | Jan/28/2026 18:48 | diss_quack | D - GridBagLayout | C++20 (GCC 13-64) | Accepted | 46 ms | 8900 KB |
| 360348159 | Jan/28/2026 18:47 | diss_quack | I - Roads | C++20 (GCC 13-64) | Accepted | 328 ms | 2000 KB |
| 358013853 | Jan/15/2026 22:47 | Enigmurl | H - Restoring Permutation | C++20 (GCC 13-64) | Accepted | 125 ms | 1000 KB |
| 357766379 | Jan/14/2026 01:15 | countful | H - Restoring Permutation | C++23 (GCC 14-64, msys2) | Accepted | 125 ms | 9600 KB |
| 357766358 | Jan/14/2026 01:15 | countful | H - Restoring Permutation | C++23 (GCC 14-64, msys2) | Wrong answer on test 1 | 15 ms | 0 KB |
| 357766001 | Jan/14/2026 01:03 | countful | G - Magic Potions | C++23 (GCC 14-64, msys2) | Accepted | 343 ms | 11100 KB |
| 357764587 | Jan/14/2026 00:25 | countful | G - Magic Potions | C++23 (GCC 14-64, msys2) | Wrong answer on test 10 | 31 ms | 0 KB |
| 357764547 | Jan/14/2026 00:24 | countful | G - Magic Potions | C++23 (GCC 14-64, msys2) | Time limit exceeded on test 7 | 1000 ms | 0 KB |
| 357764384 | Jan/14/2026 00:21 | countful | G - Magic Potions | C++23 (GCC 14-64, msys2) | Time limit exceeded on test 6 | 1000 ms | 0 KB |
| 357764370 | Jan/14/2026 00:20 | countful | G - Magic Potions | C++23 (GCC 14-64, msys2) | Wrong answer on test 1 | 0 ms | 0 KB |
| 357762921 | Jan/13/2026 23:52 | countful | G - Magic Potions | C++23 (GCC 14-64, msys2) | Wrong answer on test 11 | 31 ms | 0 KB |
| 357761325 | Jan/13/2026 23:27 | countful | J - Squary Set | C++23 (GCC 14-64, msys2) | Accepted | 125 ms | 3500 KB |
| 357761225 | Jan/13/2026 23:25 | countful | A - Chip Installation | C++23 (GCC 14-64, msys2) | Accepted | 171 ms | 43000 KB |
| 357733667 | Jan/13/2026 19:49 | ezraft | B - Divisible Substrings | C++20 (GCC 13-64) | Accepted | 125 ms | 0 KB |
| 357639623 | Jan/13/2026 01:41 | 0mar | H - Restoring Permutation | C++20 (GCC 13-64) | Accepted | 140 ms | 8800 KB |
| 357639611 | Jan/13/2026 01:40 | 0mar | H - Restoring Permutation | C++20 (GCC 13-64) | Wrong answer on test 1 | 15 ms | 0 KB |
| 357639555 | Jan/13/2026 01:38 | 0mar | H - Restoring Permutation | C++20 (GCC 13-64) | Wrong answer on test 1 | 0 ms | 0 KB |
| 357639537 | Jan/13/2026 01:38 | 0mar | H - Restoring Permutation | C++20 (GCC 13-64) | Wrong answer on test 1 | 15 ms | 0 KB |
| 357639516 | Jan/13/2026 01:37 | 0mar | H - Restoring Permutation | C++20 (GCC 13-64) | Runtime error on test 1 | 15 ms | 0 KB |
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