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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 |
|---|---|---|---|---|---|---|---|
| 372205697 | Apr/23/2026 09:39 | qwwqcy | A - Chip Designing | C++20 (GCC 13-64) | Accepted | 92 ms | 100 KB |
| 372205473 | Apr/23/2026 09:35 | qwwqcy | A - Chip Designing | C++20 (GCC 13-64) | Compilation error | 0 ms | 0 KB |
| 370229037 | Apr/08/2026 09:02 | qwwqcy | A - Chip Designing | C++20 (GCC 13-64) | Wrong answer on test 1 | 30 ms | 0 KB |
| 368490028 | Mar/28/2026 14:03 | qwwqcy | A - Chip Designing | C++20 (GCC 13-64) | Wrong answer on test 1 | 30 ms | 0 KB |
| 368489505 | Mar/28/2026 13:58 | qwwqcy | A - Chip Designing | C++20 (GCC 13-64) | Wrong answer on test 1 | 62 ms | 0 KB |
| 368488987 | Mar/28/2026 13:53 | qwwqcy | E - Quadratic Equation | C++20 (GCC 13-64) | Accepted | 124 ms | 100 KB |
| 368488814 | Mar/28/2026 13:51 | qwwqcy | A - Chip Designing | C++20 (GCC 13-64) | Wrong answer on test 1 | 30 ms | 0 KB |
| 368453466 | Mar/28/2026 08:34 | qwwqcy | A - Chip Designing | C++20 (GCC 13-64) | Wrong answer on test 1 | 30 ms | 0 KB |
| 368448752 | Mar/28/2026 07:28 | qwwqcy | A - Chip Designing | C++20 (GCC 13-64) | Wrong answer on test 1 | 62 ms | 0 KB |
| 368447315 | Mar/28/2026 06:57 | qwwqcy | J - Ray Tracing | C++20 (GCC 13-64) | Accepted | 62 ms | 100 KB |
| 368446607 | Mar/28/2026 06:44 | qwwqcy | A - Chip Designing | C++20 (GCC 13-64) | Wrong answer on test 1 | 30 ms | 0 KB |
| 368446452 | Mar/28/2026 06:40 | qwwqcy | A - Chip Designing | C++20 (GCC 13-64) | Wrong answer on test 1 | 30 ms | 0 KB |
| 368446299 | Mar/28/2026 06:38 | qwwqcy | A - Chip Designing | C++20 (GCC 13-64) | Compilation error | 0 ms | 0 KB |
| 368445428 | Mar/28/2026 06:20 | qwwqcy | E - Quadratic Equation | C++20 (GCC 13-64) | Wrong answer on test 1 | 30 ms | 100 KB |
| 368445181 | Mar/28/2026 06:16 | qwwqcy | E - Quadratic Equation | C++20 (GCC 13-64) | Wrong answer on test 4 | 92 ms | 0 KB |
| 368445066 | Mar/28/2026 06:14 | qwwqcy | I - Traces | C++20 (GCC 13-64) | Accepted | 92 ms | 1000 KB |
| 368445058 | Mar/28/2026 06:14 | qwwqcy | F - Restore the Tree | C++20 (GCC 13-64) | Accepted | 124 ms | 2900 KB |
| 368444808 | Mar/28/2026 06:09 | qwwqcy | F - Restore the Tree | C++20 (GCC 13-64) | Accepted | 92 ms | 2900 KB |
| 368444514 | Mar/28/2026 06:03 | qwwqcy | E - Quadratic Equation | C++20 (GCC 13-64) | Wrong answer on test 1 | 62 ms | 0 KB |
| 368444391 | Mar/28/2026 06:01 | qwwqcy | G - Unrhymable Rhymes | C++20 (GCC 13-64) | Accepted | 92 ms | 100 KB |
| 368444360 | Mar/28/2026 06:00 | qwwqcy | F - Restore the Tree | C++20 (GCC 13-64) | Wrong answer on test 1 | 30 ms | 2900 KB |
| 368444223 | Mar/28/2026 05:57 | qwwqcy | F - Restore the Tree | C++20 (GCC 13-64) | Wrong answer on test 1 | 30 ms | 2800 KB |
| 368444007 | Mar/28/2026 05:52 | qwwqcy | D - Police Cities | C++20 (GCC 13-64) | Accepted | 62 ms | 400 KB |
| 368443982 | Mar/28/2026 05:51 | qwwqcy | A - Chip Designing | C++20 (GCC 13-64) | Wrong answer on test 1 | 62 ms | 0 KB |
| 368443814 | Mar/28/2026 05:47 | qwwqcy | C - Numbers to Numbers | C++20 (GCC 13-64) | Accepted | 92 ms | 11100 KB |
| 368443772 | Mar/28/2026 05:46 | qwwqcy | A - Chip Designing | C++20 (GCC 13-64) | Wrong answer on test 1 | 30 ms | 0 KB |
| 368443705 | Mar/28/2026 05:44 | qwwqcy | A - Chip Designing | C++20 (GCC 13-64) | Wrong answer on test 1 | 30 ms | 0 KB |
| 368443557 | Mar/28/2026 05:40 | qwwqcy | C - Numbers to Numbers | C++20 (GCC 13-64) | Wrong answer on test 2 | 62 ms | 0 KB |
| 368443401 | Mar/28/2026 05:37 | qwwqcy | C - Numbers to Numbers | C++20 (GCC 13-64) | Wrong answer on test 1 | 30 ms | 10200 KB |
| 368443374 | Mar/28/2026 05:37 | qwwqcy | A - Chip Designing | C++20 (GCC 13-64) | Wrong answer on test 1 | 0 ms | 0 KB |
| 368443296 | Mar/28/2026 05:35 | qwwqcy | A - Chip Designing | C++20 (GCC 13-64) | Wrong answer on test 1 | 62 ms | 0 KB |
| 368443217 | Mar/28/2026 05:34 | qwwqcy | C - Numbers to Numbers | C++20 (GCC 13-64) | Wrong answer on test 8 | 124 ms | 11000 KB |
| 368443070 | Mar/28/2026 05:31 | qwwqcy | C - Numbers to Numbers | C++20 (GCC 13-64) | Wrong answer on test 1 | 30 ms | 11000 KB |
| 368442845 | Mar/28/2026 05:26 | qwwqcy | A - Chip Designing | C++20 (GCC 13-64) | Wrong answer on test 1 | 30 ms | 0 KB |
| 368442702 | Mar/28/2026 05:23 | qwwqcy | A - Chip Designing | C++20 (GCC 13-64) | Wrong answer on test 1 | 30 ms | 0 KB |
| 368442571 | Mar/28/2026 05:20 | qwwqcy | A - Chip Designing | C++20 (GCC 13-64) | Wrong answer on test 1 | 62 ms | 0 KB |
| 368442323 | Mar/28/2026 05:15 | qwwqcy | B - Electricity | C++20 (GCC 13-64) | Accepted | 124 ms | 23300 KB |
| 368442202 | Mar/28/2026 05:12 | qwwqcy | B - Electricity | C++20 (GCC 13-64) | Accepted | 156 ms | 23300 KB |
| 368442175 | Mar/28/2026 05:11 | qwwqcy | A - Chip Designing | C++20 (GCC 13-64) | Time limit exceeded on test 10 | 2000 ms | 100 KB |
| 368441934 | Mar/28/2026 05:05 | qwwqcy | A - Chip Designing | C++20 (GCC 13-64) | Time limit exceeded on test 10 | 2000 ms | 100 KB |
| 368407568 | Mar/27/2026 19:34 | chenwz | F - Restore the Tree | C++20 (GCC 13-64) | Accepted | 124 ms | 100 KB |
| 368406158 | Mar/27/2026 19:22 | chenwz | F - Restore the Tree | C++20 (GCC 13-64) | Accepted | 186 ms | 900 KB |
| 368399908 | Mar/27/2026 18:27 | chenwz | I - Traces | C++20 (GCC 13-64) | Accepted | 92 ms | 100 KB |
| 368389953 | Mar/27/2026 17:02 | qwwqcy | A - Chip Designing | C++20 (GCC 13-64) | Wrong answer on test 1 | 30 ms | 0 KB |
| 368389563 | Mar/27/2026 16:59 | qwwqcy | A - Chip Designing | C++20 (GCC 13-64) | Wrong answer on test 1 | 30 ms | 0 KB |
| 368389006 | Mar/27/2026 16:54 | qwwqcy | A - Chip Designing | C++20 (GCC 13-64) | Wrong answer on test 1 | 30 ms | 0 KB |
| 368388810 | Mar/27/2026 16:52 | qwwqcy | A - Chip Designing | C++20 (GCC 13-64) | Wrong answer on test 1 | 30 ms | 0 KB |
| 368349712 | Mar/27/2026 10:30 | qwwqcy | A - Chip Designing | C++20 (GCC 13-64) | Wrong answer on test 1 | 30 ms | 0 KB |
| 368349450 | Mar/27/2026 10:28 | qwwqcy | A - Chip Designing | C++20 (GCC 13-64) | Wrong answer on test 1 | 30 ms | 0 KB |
| 368348681 | Mar/27/2026 10:20 | chenwz | F - Restore the Tree | C++20 (GCC 13-64) | Accepted | 124 ms | 900 KB |
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