→ 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 |
|---|---|---|---|---|---|---|---|
| 341869000 | Oct/04/2025 17:53 | fightingrui | C - Preparing Documents | C++17 (GCC 7-32) | Accepted | 531 ms | 10300 KB |
| 341868913 | Oct/04/2025 17:53 | fightingrui | C - Preparing Documents | C++17 (GCC 7-32) | Wrong answer on test 1 | 31 ms | 4100 KB |
| 341867723 | Oct/04/2025 17:45 | Gracezhuzhu | C - Preparing Documents | C++17 (GCC 7-32) | Accepted | 359 ms | 15500 KB |
| 341861509 | Oct/04/2025 17:04 | Jay88 | C - Preparing Documents | C++17 (GCC 7-32) | Accepted | 296 ms | 14000 KB |
| 341861286 | Oct/04/2025 17:02 | Jay88 | C - Preparing Documents | C++17 (GCC 7-32) | Wrong answer on test 1 | 30 ms | 5400 KB |
| 341861235 | Oct/04/2025 17:02 | Jay88 | C - Preparing Documents | C++17 (GCC 7-32) | Wrong answer on test 1 | 46 ms | 5500 KB |
| 341858031 | Oct/04/2025 16:40 | wwsszz | C - Preparing Documents | C++17 (GCC 7-32) | Accepted | 546 ms | 10900 KB |
| 341857778 | Oct/04/2025 16:38 | Hasibur_Rahmen | C - Preparing Documents | C++17 (GCC 7-32) | Accepted | 577 ms | 10900 KB |
| 341857294 | Oct/04/2025 16:35 | we_114514 | C - Preparing Documents | C++20 (GCC 13-64) | Accepted | 655 ms | 17300 KB |
| 341853438 | Oct/04/2025 16:07 | SJCHSKY | C - Preparing Documents | C++17 (GCC 7-32) | Time limit exceeded on test 22 | 2000 ms | 13500 KB |
| 341853343 | Oct/04/2025 16:07 | dineshreddy25 | C - Preparing Documents | C++23 (GCC 14-64, msys2) | Accepted | 640 ms | 25000 KB |
| 341853262 | Oct/04/2025 16:06 | burga97 | C - Preparing Documents | C++17 (GCC 7-32) | Runtime error on test 5 | 61 ms | 4000 KB |
| 341853102 | Oct/04/2025 16:05 | MatiasTang | C - Preparing Documents | C++17 (GCC 7-32) | Accepted | 531 ms | 10100 KB |
| 341851826 | Oct/04/2025 15:57 | KareemHartem | C - Preparing Documents | C++17 (GCC 7-32) | Wrong answer on test 1 | 31 ms | 3900 KB |
| 341851490 | Oct/04/2025 15:55 | bkifhr10 | C - Preparing Documents | C++17 (GCC 7-32) | Wrong answer on test 1 | 46 ms | 141400 KB |
| 341679902 | Oct/03/2025 18:06 | Cryomenase | C - Preparing Documents | C++17 (GCC 7-32) | Accepted | 546 ms | 10200 KB |
| 341605361 | Oct/03/2025 10:51 | mmtang | C - Preparing Documents | C++17 (GCC 7-32) | Accepted | 577 ms | 10200 KB |
| 334237208 | Aug/17/2025 11:59 | qiuzx | B - Divisible Substrings | C++20 (GCC 13-64) | Accepted | 93 ms | 400 KB |
| 333637689 | Aug/12/2025 14:04 | qiuzx | C - Preparing Documents | C++20 (GCC 13-64) | Accepted | 499 ms | 19700 KB |
| 333534355 | Aug/11/2025 14:29 | qiuzx | D - GridBagLayout | C++20 (GCC 13-64) | Accepted | 202 ms | 6800 KB |
| 333263340 | Aug/10/2025 13:54 | qiuzx | I - Roads | C++20 (GCC 13-64) | Accepted | 93 ms | 9300 KB |
| 318206535 | May/03/2025 13:21 | vjudge5 | G - Magic Potions | C++23 (GCC 14-64, msys2) | Wrong answer on test 1 | 46 ms | 500 KB |
| 315172736 | Apr/12/2025 18:39 | re0hg | A - Chip Installation | C++20 (GCC 13-64) | Wrong answer on test 13 | 124 ms | 16300 KB |
| 315171802 | Apr/12/2025 18:34 | re0hg | A - Chip Installation | C++20 (GCC 13-64) | Accepted | 140 ms | 16100 KB |
| 315171467 | Apr/12/2025 18:32 | re0hg | A - Chip Installation | C++20 (GCC 13-64) | Wrong answer on test 1 | 46 ms | 0 KB |
| 315170104 | Apr/12/2025 18:24 | re0hg | A - Chip Installation | PyPy 3-64 | Wrong answer on test 1 | 77 ms | 128500 KB |
| 315170052 | Apr/12/2025 18:24 | re0hg | A - Chip Installation | C++20 (GCC 13-64) | Compilation error | 0 ms | 0 KB |
| 315149261 | Apr/12/2025 16:21 | qqbb111 | J - Squary Set | C++23 (GCC 14-64, msys2) | Time limit exceeded on test 12 | 2000 ms | 100 KB |
| 315149229 | Apr/12/2025 16:21 | qqbb111 | J - Squary Set | C++23 (GCC 14-64, msys2) | Wrong answer on test 1 | 31 ms | 0 KB |
| 315117207 | Apr/12/2025 12:19 | Paddi | J - Squary Set | C++20 (GCC 13-64) | Wrong answer on test 6 | 46 ms | 100 KB |
| 315116972 | Apr/12/2025 12:17 | Paddi | J - Squary Set | C++20 (GCC 13-64) | Wrong answer on test 6 | 62 ms | 100 KB |
| 315116771 | Apr/12/2025 12:16 | Paddi | J - Squary Set | C++20 (GCC 13-64) | Wrong answer on test 1 | 30 ms | 0 KB |
| 315112488 | Apr/12/2025 11:46 | Chenyuwen | H - Restoring Permutation | C++23 (GCC 14-64, msys2) | Accepted | 93 ms | 3200 KB |
| 315110882 | Apr/12/2025 11:35 | Chenyuwen | H - Restoring Permutation | C++23 (GCC 14-64, msys2) | Wrong answer on test 13 | 46 ms | 2400 KB |
| 315109619 | Apr/12/2025 11:26 | chenyueshan | J - Squary Set | C++17 (GCC 7-32) | Compilation error | 0 ms | 0 KB |
| 315109321 | Apr/12/2025 11:24 | chenyueshan | J - Squary Set | C++20 (GCC 13-64) | Compilation error | 0 ms | 0 KB |
| 315109208 | Apr/12/2025 11:23 | chenyueshan | J - Squary Set | C++20 (GCC 13-64) | Time limit exceeded on test 22 | 2000 ms | 48600 KB |
| 315108063 | Apr/12/2025 11:16 | chenyueshan | J - Squary Set | C++20 (GCC 13-64) | Time limit exceeded on test 23 | 2000 ms | 24300 KB |
| 315107966 | Apr/12/2025 11:15 | chenyueshan | J - Squary Set | C++17 (GCC 7-32) | Time limit exceeded on test 23 | 2000 ms | 24300 KB |
| 315107907 | Apr/12/2025 11:15 | chenyueshan | J - Squary Set | GNU C11 | Compilation error | 0 ms | 0 KB |
| 315107767 | Apr/12/2025 11:14 | chenyueshan | J - Squary Set | C++20 (GCC 13-64) | Runtime error on test 1 | 62 ms | 900 KB |
| 315107681 | Apr/12/2025 11:14 | chenyueshan | J - Squary Set | C++23 (GCC 14-64, msys2) | Runtime error on test 1 | 31 ms | 800 KB |
| 315106657 | Apr/12/2025 11:07 | chenyueshan | J - Squary Set | C++23 (GCC 14-64, msys2) | Wrong answer on test 1 | 46 ms | 25800 KB |
| 273083016 | Jul/28/2024 11:13 | vjudge.8 | H - Restoring Permutation | C++20 (GCC 13-64) | Accepted | 92 ms | 800 KB |
| 263433160 | May/31/2024 10:59 | Iceturky | J - Squary Set | C++17 (GCC 7-32) | Accepted | 186 ms | 2500 KB |
| 263433044 | May/31/2024 10:58 | Iceturky | J - Squary Set | C++17 (GCC 7-32) | Runtime error on test 4 | 61 ms | 2400 KB |
| 263129327 | May/29/2024 13:58 | vjudge5 | B - Divisible Substrings | C++20 (GCC 13-64) | Accepted | 77 ms | 400 KB |
| 249807364 | Mar/05/2024 18:47 | vjudge.3 | A - Chip Installation | C++17 (GCC 9-64) | Accepted | 77 ms | 18200 KB |
| 249805628 | Mar/05/2024 18:44 | vjudge.7 | A - Chip Installation | C++17 (GCC 9-64) | Wrong answer on test 13 | 62 ms | 18200 KB |
| 249805610 | Mar/05/2024 18:44 | vjudge.8 | A - Chip Installation | C++17 (GCC 9-64) | Wrong answer on test 1 | 0 ms | 5700 KB |
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