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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.
→ 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 |
|---|---|---|---|---|---|---|---|
| 373553132 | May/05/2026 04:18 | chenwz | H - Restoring Permutation | C++20 (GCC 13-64) | Accepted | 109 ms | 0 KB |
| 373552408 | May/05/2026 03:52 | chenwz | H - Restoring Permutation | C++20 (GCC 13-64) | Wrong answer on test 1 | 31 ms | 0 KB |
| 373526482 | May/04/2026 19:19 | chenwz | H - Restoring Permutation | C++20 (GCC 13-64) | Accepted | 78 ms | 100 KB |
| 373520731 | May/04/2026 18:21 | chenwz | H - Restoring Permutation | C++20 (GCC 13-64) | Accepted | 109 ms | 100 KB |
| 373515444 | May/04/2026 17:25 | chenwz | C - Preparing Documents | C++20 (GCC 13-64) | Accepted | 234 ms | 21700 KB |
| 373515240 | May/04/2026 17:22 | chenwz | C - Preparing Documents | C++20 (GCC 13-64) | Accepted | 265 ms | 21800 KB |
| 373501919 | May/04/2026 14:48 | chenwz | C - Preparing Documents | C++20 (GCC 13-64) | Wrong answer on test 1 | 15 ms | 0 KB |
| 373501689 | May/04/2026 14:45 | chenwz | C - Preparing Documents | C++20 (GCC 13-64) | Accepted | 234 ms | 21700 KB |
| 373501506 | May/04/2026 14:42 | chenwz | C - Preparing Documents | C++20 (GCC 13-64) | Accepted | 218 ms | 21800 KB |
| 373501481 | May/04/2026 14:42 | chenwz | C - Preparing Documents | C++20 (GCC 13-64) | Wrong answer on test 1 | 15 ms | 0 KB |
| 373496579 | May/04/2026 13:31 | chenwz | C - Preparing Documents | C++20 (GCC 13-64) | Accepted | 281 ms | 21700 KB |
| 373495092 | May/04/2026 13:08 | chenwz | B - Divisible Substrings | C++20 (GCC 13-64) | Accepted | 46 ms | 100 KB |
| 373492863 | May/04/2026 12:34 | chenwz | F - Knapsack Problem | C++20 (GCC 13-64) | Accepted | 46 ms | 100 KB |
| 373491478 | May/04/2026 12:13 | chenwz | E - Hot Potato Routing | C++20 (GCC 13-64) | Accepted | 156 ms | 100 KB |
| 373491298 | May/04/2026 12:11 | chenwz | E - Hot Potato Routing | C++20 (GCC 13-64) | Accepted | 156 ms | 100 KB |
| 373485445 | May/04/2026 10:50 | chenwz | G - Magic Potions | C++20 (GCC 13-64) | Accepted | 140 ms | 4700 KB |
| 373279015 | May/02/2026 03:41 | chenwz | G - Magic Potions | C++20 (GCC 13-64) | Accepted | 156 ms | 4600 KB |
| 373278849 | May/02/2026 03:34 | chenwz | G - Magic Potions | C++20 (GCC 13-64) | Accepted | 140 ms | 1200 KB |
| 373238611 | May/01/2026 17:32 | chenwz | A - Chip Installation | C++20 (GCC 13-64) | Compilation error | 0 ms | 0 KB |
| 373207670 | May/01/2026 10:59 | chenwz | B - Divisible Substrings | C++20 (GCC 13-64) | Accepted | 46 ms | 0 KB |
| 373207420 | May/01/2026 10:56 | chenwz | B - Divisible Substrings | C++20 (GCC 13-64) | Compilation error | 0 ms | 0 KB |
| 373192429 | May/01/2026 07:01 | chenwz | A - Chip Installation | C++20 (GCC 13-64) | Accepted | 78 ms | 2200 KB |
| 373192418 | May/01/2026 07:01 | chenwz | B - Divisible Substrings | C++20 (GCC 13-64) | Compilation error | 0 ms | 0 KB |
| 373192410 | May/01/2026 07:01 | chenwz | C - Preparing Documents | C++20 (GCC 13-64) | Accepted | 234 ms | 17200 KB |
| 373192401 | May/01/2026 07:01 | chenwz | E - Hot Potato Routing | C++20 (GCC 13-64) | Accepted | 156 ms | 2200 KB |
| 373192390 | May/01/2026 07:00 | chenwz | F - Knapsack Problem | C++20 (GCC 13-64) | Accepted | 31 ms | 100 KB |
| 373192381 | May/01/2026 07:00 | chenwz | G - Magic Potions | C++20 (GCC 13-64) | Accepted | 156 ms | 3200 KB |
| 373192375 | May/01/2026 07:00 | chenwz | H - Restoring Permutation | C++20 (GCC 13-64) | Accepted | 93 ms | 100 KB |
| 373192356 | May/01/2026 07:00 | chenwz | J - Squary Set | C++20 (GCC 13-64) | Accepted | 1609 ms | 31400 KB |
| 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 |
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