→ 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 |
|---|---|---|---|---|---|---|---|
| 394267819 | Oct/12/2026 14:48 | chenwz | G - Transportation Problem | C++20 (GCC 13-64) | Time limit exceeded on test 10 | 2000 ms | 9300 KB |
| 394266323 | Oct/12/2026 14:34 | chenwz | G - Transportation Problem | C++17 (GCC 7-32) | Time limit exceeded on test 10 | 2000 ms | 6500 KB |
| 394260708 | Oct/12/2026 13:36 | chenwz | G - Transportation Problem | C++17 (GCC 7-32) | Time limit exceeded on test 10 | 2000 ms | 2600 KB |
| 394252425 | Oct/12/2026 12:16 | chenwz | G - Transportation Problem | C++17 (GCC 7-32) | Accepted | 342 ms | 10500 KB |
| 394250952 | Oct/12/2026 12:04 | chenwz | D - Night Watch | C++17 (GCC 7-32) | Accepted | 92 ms | 0 KB |
| 394250750 | Oct/12/2026 12:02 | chenwz | E - Convex Permutominoes | C++17 (GCC 7-32) | Accepted | 92 ms | 0 KB |
| 387655109 | Aug/19/2026 11:39 | quanghieuhaha | B - Financial Software | C++17 (GCC 7-32) | Accepted | 750 ms | 26700 KB |
| 387654508 | Aug/19/2026 11:32 | quanghieuhaha | B - Financial Software | C++17 (GCC 7-32) | Wrong answer on test 2 | 30 ms | 24300 KB |
| 387653562 | Aug/19/2026 11:23 | quanghieuhaha | B - Financial Software | C++17 (GCC 7-32) | Wrong answer on test 2 | 62 ms | 25900 KB |
| 387653533 | Aug/19/2026 11:22 | quanghieuhaha | B - Financial Software | C++17 (GCC 7-32) | Wrong answer on test 2 | 30 ms | 25800 KB |
| 386159641 | Aug/08/2026 04:41 | qwwqcy | F - Substring Search | C++17 (GCC 7-32) | Accepted | 92 ms | 700 KB |
| 386068941 | Aug/07/2026 16:46 | chenwz | F - Substring Search | C++17 (GCC 7-32) | Accepted | 92 ms | 700 KB |
| 386068634 | Aug/07/2026 16:43 | chenwz | F - Substring Search | C++17 (GCC 7-32) | Accepted | 92 ms | 800 KB |
| 386068291 | Aug/07/2026 16:40 | chenwz | F - Substring Search | C++17 (GCC 7-32) | Accepted | 124 ms | 700 KB |
| 386067520 | Aug/07/2026 16:33 | chenwz | F - Substring Search | C++17 (GCC 7-32) | Accepted | 124 ms | 1600 KB |
| 386063386 | Aug/07/2026 15:57 | chenwz | F - Substring Search | C++17 (GCC 7-32) | Time limit exceeded on test 15 | 2000 ms | 214500 KB |
| 386033863 | Aug/07/2026 10:47 | qwwqcy | F - Substring Search | C++17 (GCC 7-32) | Time limit exceeded on test 15 | 2000 ms | 214500 KB |
| 386033624 | Aug/07/2026 10:44 | qwwqcy | F - Substring Search | C++17 (GCC 7-32) | Time limit exceeded on test 22 | 2000 ms | 214400 KB |
| 386033556 | Aug/07/2026 10:43 | qwwqcy | F - Substring Search | C++17 (GCC 7-32) | Time limit exceeded on test 15 | 2000 ms | 214500 KB |
| 384751696 | Jul/29/2026 15:01 | qwwqcy | F - Substring Search | C++23 (GCC 14-64, msys2) | Time limit exceeded on test 29 | 2000 ms | 215500 KB |
| 384751618 | Jul/29/2026 15:00 | qwwqcy | F - Substring Search | GNU C11 | Compilation error | 0 ms | 0 KB |
| 383770921 | Jul/22/2026 05:24 | qwwqcy | J - Wheels within Wheels | C++23 (GCC 14-64, msys2) | Time limit exceeded on test 10 | 2000 ms | 12900 KB |
| 383770898 | Jul/22/2026 05:23 | qwwqcy | J - Wheels within Wheels | C++23 (GCC 14-64, msys2) | Accepted | 250 ms | 800 KB |
| 383071738 | Jul/17/2026 08:55 | qwwqcy | F - Substring Search | C++23 (GCC 14-64, msys2) | Time limit exceeded on test 55 | 2000 ms | 150400 KB |
| 383071652 | Jul/17/2026 08:54 | qwwqcy | F - Substring Search | C++23 (GCC 14-64, msys2) | Time limit exceeded on test 17 | 2000 ms | 3100 KB |
| 383071607 | Jul/17/2026 08:54 | qwwqcy | F - Substring Search | C++23 (GCC 14-64, msys2) | Time limit exceeded on test 26 | 2000 ms | 4500 KB |
| 383071539 | Jul/17/2026 08:53 | qwwqcy | F - Substring Search | C++23 (GCC 14-64, msys2) | Accepted | 1780 ms | 206200 KB |
| 383071444 | Jul/17/2026 08:52 | qwwqcy | F - Substring Search | C++23 (GCC 14-64, msys2) | Accepted | 1750 ms | 206200 KB |
| 375882951 | May/24/2026 06:17 | lyh3.14 | E - Convex Permutominoes | C++23 (GCC 14-64, msys2) | Accepted | 92 ms | 1400 KB |
| 373059468 | Apr/30/2026 15:30 | lucky_clover_ | A - Kingdom Division | C++20 (GCC 13-64) | Wrong answer on test 19 | 156 ms | 239100 KB |
| 373058952 | Apr/30/2026 15:23 | lucky_clover_ | A - Kingdom Division | C++20 (GCC 13-64) | Wrong answer on test 15 | 186 ms | 120100 KB |
| 373058200 | Apr/30/2026 15:14 | lucky_clover_ | A - Kingdom Division | C++20 (GCC 13-64) | Wrong answer on test 14 | 124 ms | 120100 KB |
| 372916144 | Apr/29/2026 09:45 | Chen_ri_kang | A - Kingdom Division | C++17 (GCC 7-32) | Accepted | 124 ms | 5300 KB |
| 372916100 | Apr/29/2026 09:44 | Chen_ri_kang | A - Kingdom Division | C++17 (GCC 7-32) | Accepted | 92 ms | 5300 KB |
| 372915632 | Apr/29/2026 09:38 | Chen_ri_kang | A - Kingdom Division | C++17 (GCC 7-32) | Wrong answer on test 13 | 92 ms | 5300 KB |
| 372914552 | Apr/29/2026 09:23 | ukbwyx | A - Kingdom Division | C++20 (GCC 13-64) | Accepted | 92 ms | 1300 KB |
| 372779902 | Apr/28/2026 10:25 | Zheng_iii | E - Convex Permutominoes | C++20 (GCC 13-64) | Accepted | 92 ms | 100 KB |
| 372779840 | Apr/28/2026 10:24 | Zheng_iii | E - Convex Permutominoes | C++20 (GCC 13-64) | Wrong answer on test 1 | 62 ms | 0 KB |
| 372299404 | Apr/24/2026 04:36 | chenwz | J - Wheels within Wheels | C++20 (GCC 13-64) | Accepted | 92 ms | 100 KB |
| 372299277 | Apr/24/2026 04:32 | chenwz | J - Wheels within Wheels | C++20 (GCC 13-64) | Wrong answer on test 1 | 62 ms | 0 KB |
| 372297142 | Apr/24/2026 03:15 | chenwz | H - Truth is in the... | C++20 (GCC 13-64) | Accepted | 92 ms | 0 KB |
| 372267021 | Apr/23/2026 19:03 | chenwz | J - Wheels within Wheels | C++20 (GCC 13-64) | Accepted | 124 ms | 87100 KB |
| 372266774 | Apr/23/2026 19:01 | chenwz | J - Wheels within Wheels | C++20 (GCC 13-64) | Wrong answer on test 1 | 30 ms | 0 KB |
| 372266720 | Apr/23/2026 19:01 | chenwz | J - Wheels within Wheels | C++20 (GCC 13-64) | Compilation error | 0 ms | 0 KB |
| 372260067 | Apr/23/2026 18:00 | chenwz | F - Substring Search | C++20 (GCC 13-64) | Time limit exceeded on test 29 | 2000 ms | 215300 KB |
| 372259582 | Apr/23/2026 17:55 | chenwz | F - Substring Search | C++20 (GCC 13-64) | Time limit exceeded on test 30 | 2000 ms | 215300 KB |
| 372258698 | Apr/23/2026 17:47 | chenwz | F - Substring Search | C++20 (GCC 13-64) | Wrong answer on test 1 | 62 ms | 0 KB |
| 372248754 | Apr/23/2026 16:27 | chenwz | C - Late Again | C++20 (GCC 13-64) | Accepted | 780 ms | 0 KB |
| 372248111 | Apr/23/2026 16:22 | chenwz | B - Financial Software | C++20 (GCC 13-64) | Accepted | 562 ms | 6200 KB |
| 372248008 | Apr/23/2026 16:21 | chenwz | B - Financial Software | C++20 (GCC 13-64) | Wrong answer on test 1 | 30 ms | 0 KB |
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