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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.
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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 |
|---|---|---|---|---|---|---|---|
| 394253244 | Oct/12/2026 12:23 | chenwz | C - Collision Detection | C++17 (GCC 7-32) | Accepted | 343 ms | 5300 KB |
| 394253196 | Oct/12/2026 12:23 | chenwz | A - Average Convex Hull | C++17 (GCC 7-32) | Accepted | 234 ms | 17700 KB |
| 394252758 | Oct/12/2026 12:19 | chenwz | G - Gas Transportation | C++17 (GCC 7-32) | Accepted | 62 ms | 0 KB |
| 387264577 | Aug/16/2026 14:53 | Verve | E - Elections | C++20 (GCC 13-64) | Accepted | 203 ms | 1000 KB |
| 385251960 | Aug/02/2026 11:51 | tongyxt | F - Free of Squares | C++23 (GCC 14-64, msys2) | Wrong answer on test 1 | 15 ms | 100 KB |
| 384626486 | Jul/28/2026 14:48 | Verve | E - Elections | C++20 (GCC 13-64) | Wrong answer on test 13 | 31 ms | 100 KB |
| 383932590 | Jul/23/2026 13:29 | Verve | A - Average Convex Hull | C++20 (GCC 13-64) | Wrong answer on test 13 | 46 ms | 100 KB |
| 383932541 | Jul/23/2026 13:29 | Verve | A - Average Convex Hull | C++20 (GCC 13-64) | Wrong answer on test 1 | 15 ms | 0 KB |
| 383880179 | Jul/23/2026 01:34 | Verve | A - Average Convex Hull | C++20 (GCC 13-64) | Accepted | 171 ms | 25800 KB |
| 383661335 | Jul/21/2026 09:28 | SoiMae | F - Free of Squares | C++23 (GCC 14-64, msys2) | Wrong answer on test 1 | 0 ms | 1600 KB |
| 383630975 | Jul/21/2026 00:16 | Verve | F - Free of Squares | C++20 (GCC 13-64) | Accepted | 46 ms | 100 KB |
| 383630878 | Jul/21/2026 00:14 | Verve | F - Free of Squares | C++20 (GCC 13-64) | Wrong answer on test 1 | 15 ms | 0 KB |
| 382874823 | Jul/16/2026 06:09 | qwwqcy | D - Dual Cure | C++23 (GCC 14-64, msys2) | Wrong answer on test 30 | 140 ms | 6400 KB |
| 382874920 | Jul/16/2026 06:11 | qwwqcy | D - Dual Cure | C++23 (GCC 14-64, msys2) | Wrong answer on test 30 | 125 ms | 3900 KB |
| 382814921 | Jul/15/2026 18:36 | qwwqcy | D - Dual Cure | C++23 (GCC 14-64, msys2) | Wrong answer on test 53 | 109 ms | 6900 KB |
| 382814972 | Jul/15/2026 18:37 | qwwqcy | D - Dual Cure | C++23 (GCC 14-64, msys2) | Wrong answer on test 38 | 109 ms | 6900 KB |
| 382465226 | Jul/14/2026 01:28 | Verve | G - Gas Transportation | C++20 (GCC 13-64) | Accepted | 46 ms | 0 KB |
| 382367302 | Jul/13/2026 10:48 | qwwqcy | E - Elections | C++23 (GCC 14-64, msys2) | Accepted | 203 ms | 1000 KB |
| 382213061 | Jul/12/2026 14:25 | Verve | H - Handsome Division | C++20 (GCC 13-64) | Accepted | 46 ms | 0 KB |
| 382201581 | Jul/12/2026 12:38 | Verve | H - Handsome Division | C++20 (GCC 13-64) | Wrong answer on test 2 | 31 ms | 0 KB |
| 382201235 | Jul/12/2026 12:35 | Verve | H - Handsome Division | C++20 (GCC 13-64) | Wrong answer on test 2 | 46 ms | 0 KB |
| 382161339 | Jul/12/2026 02:49 | Verve | H - Handsome Division | C++20 (GCC 13-64) | Wrong answer on test 2 | 31 ms | 0 KB |
| 382161295 | Jul/12/2026 02:46 | Verve | H - Handsome Division | C++20 (GCC 13-64) | Wrong answer on test 2 | 15 ms | 0 KB |
| 382161258 | Jul/12/2026 02:44 | Verve | H - Handsome Division | C++20 (GCC 13-64) | Wrong answer on test 1 | 0 ms | 0 KB |
| 382161201 | Jul/12/2026 02:41 | Verve | H - Handsome Division | C++20 (GCC 13-64) | Wrong answer on test 1 | 0 ms | 0 KB |
| 381996496 | Jul/10/2026 18:21 | chenwz | D - Dual Cure | C++17 (GCC 7-32) | Accepted | 156 ms | 1300 KB |
| 381906295 | Jul/10/2026 00:54 | Verve | B - Binary Suffix Array | C++20 (GCC 13-64) | Accepted | 140 ms | 4500 KB |
| 381837845 | Jul/09/2026 13:45 | SoiMae# | F - Free of Squares | C++23 (GCC 14-64, msys2) | Wrong answer on test 1 | 46 ms | 1600 KB |
| 381836162 | Jul/09/2026 13:29 | SoiMae# | A - Average Convex Hull | C++23 (GCC 14-64, msys2) | Accepted | 171 ms | 21400 KB |
| 381836125 | Jul/09/2026 13:29 | SoiMae# | G - Gas Transportation | C++23 (GCC 14-64, msys2) | Wrong answer on test 13 | 31 ms | 800 KB |
| 381836089 | Jul/09/2026 13:28 | SoiMae# | B - Binary Suffix Array | C++23 (GCC 14-64, msys2) | Wrong answer on test 15 | 31 ms | 24500 KB |
| 381835920 | Jul/09/2026 13:27 | SoiMae# | B - Binary Suffix Array | C++23 (GCC 14-64, msys2) | Wrong answer on test 7 | 31 ms | 10800 KB |
| 381835723 | Jul/09/2026 13:25 | SoiMae# | A - Average Convex Hull | C++23 (GCC 14-64, msys2) | Wrong answer on test 21 | 140 ms | 17000 KB |
| 381834764 | Jul/09/2026 13:17 | SoiMae# | G - Gas Transportation | C++23 (GCC 14-64, msys2) | Wrong answer on test 13 | 46 ms | 0 KB |
| 381834526 | Jul/09/2026 13:15 | SoiMae# | G - Gas Transportation | C++23 (GCC 14-64, msys2) | Wrong answer on test 6 | 46 ms | 0 KB |
| 381834159 | Jul/09/2026 13:12 | SoiMae# | G - Gas Transportation | C++23 (GCC 14-64, msys2) | Wrong answer on test 6 | 31 ms | 0 KB |
| 381834016 | Jul/09/2026 13:10 | SoiMae# | A - Average Convex Hull | C++23 (GCC 14-64, msys2) | Wrong answer on test 13 | 31 ms | 9400 KB |
| 381833742 | Jul/09/2026 13:08 | SoiMae# | G - Gas Transportation | C++23 (GCC 14-64, msys2) | Accepted | 46 ms | 8000 KB |
| 381833142 | Jul/09/2026 13:03 | SoiMae# | B - Binary Suffix Array | C++23 (GCC 14-64, msys2) | Wrong answer on test 15 | 46 ms | 28400 KB |
| 381832673 | Jul/09/2026 12:59 | SoiMae# | B - Binary Suffix Array | C++23 (GCC 14-64, msys2) | Accepted | 437 ms | 57900 KB |
| 381831615 | Jul/09/2026 12:51 | SoiMae# | F - Free of Squares | C++23 (GCC 14-64, msys2) | Time limit exceeded on test 20 | 1000 ms | 2400 KB |
| 381831342 | Jul/09/2026 12:48 | SoiMae# | A - Average Convex Hull | C++23 (GCC 14-64, msys2) | Wrong answer on test 13 | 46 ms | 9400 KB |
| 381831211 | Jul/09/2026 12:47 | SoiMae# | B - Binary Suffix Array | C++23 (GCC 14-64, msys2) | Wrong answer on test 7 | 31 ms | 56700 KB |
| 381831174 | Jul/09/2026 12:47 | SoiMae# | A - Average Convex Hull | C++23 (GCC 14-64, msys2) | Wrong answer on test 2 | 0 ms | 9400 KB |
| 381831155 | Jul/09/2026 12:47 | SoiMae# | B - Binary Suffix Array | C++23 (GCC 14-64, msys2) | Wrong answer on test 10 | 46 ms | 28400 KB |
| 381827595 | Jul/09/2026 12:18 | SoiMae# | A - Average Convex Hull | C++23 (GCC 14-64, msys2) | Wrong answer on test 13 | 31 ms | 9400 KB |
| 381826546 | Jul/09/2026 12:09 | SoiMae# | B - Binary Suffix Array | C++23 (GCC 14-64, msys2) | Accepted | 781 ms | 32300 KB |
| 381826688 | Jul/09/2026 12:10 | SoiMae# | B - Binary Suffix Array | C++23 (GCC 14-64, msys2) | Wrong answer on test 11 | 46 ms | 3800 KB |
| 381826310 | Jul/09/2026 12:07 | SoiMae# | B - Binary Suffix Array | C++23 (GCC 14-64, msys2) | Wrong answer on test 4 | 31 ms | 3900 KB |
| 381825995 | Jul/09/2026 12:05 | SoiMae# | A - Average Convex Hull | C++23 (GCC 14-64, msys2) | Wrong answer on test 13 | 31 ms | 9400 KB |
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