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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 |
|---|---|---|---|---|---|---|---|
| 372232877 | Apr/23/2026 14:05 | Eslam.Taha | C - Order-Preserving Codes | C++20 (GCC 13-64) | Accepted | 156 ms | 64000 KB |
| 372230487 | Apr/23/2026 13:42 | Eslam.Taha | C - Order-Preserving Codes | C++20 (GCC 13-64) | Wrong answer on test 1 | 62 ms | 63900 KB |
| 372230075 | Apr/23/2026 13:38 | Eslam.Taha | C - Order-Preserving Codes | C++20 (GCC 13-64) | Runtime error on test 1 | 62 ms | 63900 KB |
| 372109607 | Apr/22/2026 11:06 | qwwqcy | B - I Just Called... | C++20 (GCC 13-64) | Time limit exceeded on test 15 | 1000 ms | 9300 KB |
| 372107076 | Apr/22/2026 10:36 | qwwqcy | B - I Just Called... | C++20 (GCC 13-64) | Runtime error on test 15 | 92 ms | 4400 KB |
| 372105964 | Apr/22/2026 10:22 | qwwqcy | B - I Just Called... | C++20 (GCC 13-64) | Wrong answer on test 14 | 92 ms | 5200 KB |
| 372105699 | Apr/22/2026 10:18 | qwwqcy | B - I Just Called... | C++20 (GCC 13-64) | Wrong answer on test 18 | 124 ms | 1700 KB |
| 371234484 | Apr/15/2026 13:08 | qwwqcy | E - Long Dominoes | C++20 (GCC 13-64) | Accepted | 92 ms | 13700 KB |
| 371142488 | Apr/14/2026 17:25 | Hamed_Ghaffari | C - Order-Preserving Codes | C++20 (GCC 13-64) | Accepted | 124 ms | 47300 KB |
| 368796182 | Mar/30/2026 04:49 | chenwz | J - Counting Triangulations | C++20 (GCC 13-64) | Wrong answer on test 1 | 92 ms | 16100 KB |
| 368795869 | Mar/30/2026 04:39 | chenwz | C - Order-Preserving Codes | C++20 (GCC 13-64) | Runtime error on test 1 | 0 ms | 15800 KB |
| 368795657 | Mar/30/2026 04:33 | chenwz | C - Order-Preserving Codes | C++20 (GCC 13-64) | Wrong answer on test 1 | 30 ms | 47300 KB |
| 368795648 | Mar/30/2026 04:33 | chenwz | C - Order-Preserving Codes | C++20 (GCC 13-64) | Runtime error on test 1 | 0 ms | 100 KB |
| 368795204 | Mar/30/2026 04:19 | chenwz | C - Order-Preserving Codes | C++20 (GCC 13-64) | Runtime error on test 1 | 30 ms | 0 KB |
| 368795191 | Mar/30/2026 04:19 | chenwz | E - Long Dominoes | C++20 (GCC 13-64) | Accepted | 62 ms | 13800 KB |
| 368795182 | Mar/30/2026 04:18 | chenwz | E - Long Dominoes | C++20 (GCC 13-64) | Compilation error | 0 ms | 0 KB |
| 368742368 | Mar/29/2026 18:39 | chenwz | E - Long Dominoes | C++20 (GCC 13-64) | Compilation error | 0 ms | 0 KB |
| 368719849 | Mar/29/2026 18:02 | chenwz | E - Long Dominoes | C++20 (GCC 13-64) | Accepted | 62 ms | 13800 KB |
| 368753373 | Mar/29/2026 19:05 | chenwz | B - I Just Called... | C++20 (GCC 13-64) | Accepted | 92 ms | 23700 KB |
| 368694966 | Mar/29/2026 17:37 | chenwz | E - Long Dominoes | C++20 (GCC 13-64) | Accepted | 92 ms | 13800 KB |
| 368691493 | Mar/29/2026 17:31 | chenwz | E - Long Dominoes | C++20 (GCC 13-64) | Accepted | 62 ms | 13800 KB |
| 368690431 | Mar/29/2026 17:19 | chenwz | E - Long Dominoes | C++20 (GCC 13-64) | Accepted | 624 ms | 41100 KB |
| 368690209 | Mar/29/2026 17:17 | chenwz | E - Long Dominoes | C++20 (GCC 13-64) | Accepted | 468 ms | 41100 KB |
| 368689543 | Mar/29/2026 17:11 | chenwz | E - Long Dominoes | C++20 (GCC 13-64) | Accepted | 436 ms | 41100 KB |
| 368689467 | Mar/29/2026 17:10 | chenwz | E - Long Dominoes | C++20 (GCC 13-64) | Wrong answer on test 1 | 30 ms | 41100 KB |
| 368687983 | Mar/29/2026 16:54 | chenwz | E - Long Dominoes | C++20 (GCC 13-64) | Memory limit exceeded on test 1 | 468 ms | 65500 KB |
| 368687194 | Mar/29/2026 16:47 | chenwz | E - Long Dominoes | C++20 (GCC 13-64) | Memory limit exceeded on test 1 | 374 ms | 65500 KB |
| 368504635 | Mar/28/2026 16:32 | chenwz | K - Unfair Contest | C++20 (GCC 13-64) | Accepted | 312 ms | 100 KB |
| 368504487 | Mar/28/2026 16:31 | chenwz | B - I Just Called... | C++20 (GCC 13-64) | Accepted | 218 ms | 4700 KB |
| 368504214 | Mar/28/2026 16:28 | chenwz | K - Unfair Contest | C++20 (GCC 13-64) | Accepted | 218 ms | 100 KB |
| 368503223 | Mar/28/2026 16:19 | chenwz | K - Unfair Contest | C++20 (GCC 13-64) | Accepted | 280 ms | 100 KB |
| 368502501 | Mar/28/2026 16:11 | chenwz | K - Unfair Contest | C++20 (GCC 13-64) | Accepted | 280 ms | 100 KB |
| 368502182 | Mar/28/2026 16:08 | chenwz | K - Unfair Contest | C++20 (GCC 13-64) | Accepted | 280 ms | 100 KB |
| 368501559 | Mar/28/2026 16:01 | chenwz | K - Unfair Contest | C++20 (GCC 13-64) | Wrong answer on test 2 | 62 ms | 0 KB |
| 368501106 | Mar/28/2026 15:56 | chenwz | K - Unfair Contest | C++20 (GCC 13-64) | Wrong answer on test 2 | 62 ms | 0 KB |
| 368500946 | Mar/28/2026 15:54 | chenwz | K - Unfair Contest | C++20 (GCC 13-64) | Wrong answer on test 2 | 62 ms | 0 KB |
| 368480712 | Mar/28/2026 12:35 | chenwz | K - Unfair Contest | C++20 (GCC 13-64) | Accepted | 342 ms | 100 KB |
| 368480647 | Mar/28/2026 12:34 | chenwz | K - Unfair Contest | C++20 (GCC 13-64) | Compilation error | 0 ms | 0 KB |
| 368480227 | Mar/28/2026 12:31 | chenwz | E - Long Dominoes | C++20 (GCC 13-64) | Accepted | 186 ms | 5200 KB |
| 368480005 | Mar/28/2026 12:29 | chenwz | D - More Divisors | C++20 (GCC 13-64) | Accepted | 92 ms | 100 KB |
| 368479487 | Mar/28/2026 12:24 | chenwz | D - More Divisors | C++20 (GCC 13-64) | Accepted | 62 ms | 100 KB |
| 368479240 | Mar/28/2026 12:22 | chenwz | G - Cracking SSH | C++20 (GCC 13-64) | Accepted | 92 ms | 100 KB |
| 368477461 | Mar/28/2026 12:05 | chenwz | G - Cracking SSH | C++20 (GCC 13-64) | Accepted | 92 ms | 100 KB |
| 368477161 | Mar/28/2026 12:02 | chenwz | C - Order-Preserving Codes | C++20 (GCC 13-64) | Accepted | 186 ms | 63000 KB |
| 368456778 | Mar/28/2026 09:09 | qwwqcy | B - I Just Called... | C++20 (GCC 13-64) | Accepted | 280 ms | 4600 KB |
| 368456350 | Mar/28/2026 09:05 | qwwqcy | B - I Just Called... | C++20 (GCC 13-64) | Compilation error | 0 ms | 0 KB |
| 368455898 | Mar/28/2026 09:00 | qwwqcy | K - Unfair Contest | C++20 (GCC 13-64) | Accepted | 342 ms | 100 KB |
| 368455867 | Mar/28/2026 08:59 | qwwqcy | K - Unfair Contest | C++20 (GCC 13-64) | Runtime error on test 1 | 30 ms | 0 KB |
| 368455541 | Mar/28/2026 08:56 | qwwqcy | K - Unfair Contest | C++20 (GCC 13-64) | Runtime error on test 1 | 62 ms | 0 KB |
| 368454820 | Mar/28/2026 08:48 | qwwqcy | E - Long Dominoes | C++20 (GCC 13-64) | Accepted | 124 ms | 51700 KB |
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