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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 |
|---|---|---|---|---|---|---|---|
| 391747248 | Sep/23/2026 10:34 | mzh_xihulu | I - Superinvolutions | C++23 (GCC 14-64, msys2) | Wrong answer on test 2 | 30 ms | 34100 KB |
| 391747163 | Sep/23/2026 10:33 | mzh_xihulu | I - Superinvolutions | C++23 (GCC 14-64, msys2) | Memory limit exceeded on test 1 | 124 ms | 65500 KB |
| 391747127 | Sep/23/2026 10:32 | mzh_xihulu | I - Superinvolutions | C++23 (GCC 14-64, msys2) | Memory limit exceeded on test 1 | 92 ms | 65500 KB |
| 391747096 | Sep/23/2026 10:32 | mzh_xihulu | I - Superinvolutions | PyPy 3 | Compilation error | 0 ms | 0 KB |
| 391673185 | Sep/22/2026 17:19 | mzh_xihulu | I - Superinvolutions | PyPy 3 | Runtime error on test 1 | 92 ms | 2000 KB |
| 387659741 | Aug/19/2026 12:23 | SoiMae | G - Refrain | C++23 (GCC 14-64, msys2) | Wrong answer on test 1 | 30 ms | 40700 KB |
| 386681543 | Aug/12/2026 03:21 | luosiyu | C - Decoding Martian Messages | C++23 (GCC 14-64, msys2) | Wrong answer on test 1 | 30 ms | 0 KB |
| 386681489 | Aug/12/2026 03:20 | luosiyu | C - Decoding Martian Messages | C++23 (GCC 14-64, msys2) | Wrong answer on test 1 | 30 ms | 0 KB |
| 386681383 | Aug/12/2026 03:18 | luosiyu | C - Decoding Martian Messages | C++23 (GCC 14-64, msys2) | Wrong answer on test 1 | 62 ms | 0 KB |
| 386049409 | Aug/07/2026 13:37 | SoiMae# | J - Truth | C++23 (GCC 14-64, msys2) | Wrong answer on test 45 | 124 ms | 9500 KB |
| 386049338 | Aug/07/2026 13:36 | SoiMae# | E - Infinity Sect | C++23 (GCC 14-64, msys2) | Wrong answer on test 5 | 92 ms | 3900 KB |
| 386049297 | Aug/07/2026 13:36 | SoiMae# | E - Infinity Sect | C++23 (GCC 14-64, msys2) | Wrong answer on test 1 | 0 ms | 0 KB |
| 386049017 | Aug/07/2026 13:33 | SoiMae# | J - Truth | C++23 (GCC 14-64, msys2) | Wrong answer on test 45 | 124 ms | 9500 KB |
| 386048801 | Aug/07/2026 13:30 | SoiMae# | J - Truth | C++23 (GCC 14-64, msys2) | Accepted | 124 ms | 2100 KB |
| 386048577 | Aug/07/2026 13:27 | SoiMae# | J - Truth | C++23 (GCC 14-64, msys2) | Wrong answer on test 45 | 92 ms | 9500 KB |
| 386048442 | Aug/07/2026 13:25 | SoiMae# | D - Gas Problem | C++23 (GCC 14-64, msys2) | Runtime error on test 3 | 30 ms | 1300 KB |
| 386048339 | Aug/07/2026 13:24 | SoiMae# | D - Gas Problem | C++23 (GCC 14-64, msys2) | Wrong answer on test 3 | 62 ms | 1400 KB |
| 386048310 | Aug/07/2026 13:24 | SoiMae# | E - Infinity Sect | C++23 (GCC 14-64, msys2) | Wrong answer on test 7 | 62 ms | 4000 KB |
| 386048294 | Aug/07/2026 13:23 | SoiMae# | J - Truth | C++23 (GCC 14-64, msys2) | Memory limit exceeded on test 26 | 530 ms | 65500 KB |
| 386047971 | Aug/07/2026 13:19 | SoiMae# | E - Infinity Sect | C++23 (GCC 14-64, msys2) | Wrong answer on test 4 | 62 ms | 0 KB |
| 386047574 | Aug/07/2026 13:14 | SoiMae# | J - Truth | C++23 (GCC 14-64, msys2) | Wrong answer on test 45 | 62 ms | 9500 KB |
| 386047521 | Aug/07/2026 13:14 | SoiMae# | E - Infinity Sect | C++23 (GCC 14-64, msys2) | Wrong answer on test 4 | 30 ms | 0 KB |
| 386046851 | Aug/07/2026 13:06 | SoiMae# | D - Gas Problem | C++23 (GCC 14-64, msys2) | Wrong answer on test 3 | 62 ms | 7100 KB |
| 386046827 | Aug/07/2026 13:05 | SoiMae# | E - Infinity Sect | C++23 (GCC 14-64, msys2) | Time limit exceeded on test 35 | 1000 ms | 29100 KB |
| 386046634 | Aug/07/2026 13:03 | SoiMae# | J - Truth | C++23 (GCC 14-64, msys2) | Wrong answer on test 17 | 62 ms | 2100 KB |
| 386046588 | Aug/07/2026 13:03 | SoiMae# | E - Infinity Sect | C++23 (GCC 14-64, msys2) | Wrong answer on test 4 | 62 ms | 0 KB |
| 386046462 | Aug/07/2026 13:01 | SoiMae# | I - Superinvolutions | C++23 (GCC 14-64, msys2) | Wrong answer on test 7 | 62 ms | 10800 KB |
| 386045816 | Aug/07/2026 12:54 | SoiMae# | E - Infinity Sect | C++23 (GCC 14-64, msys2) | Time limit exceeded on test 35 | 1000 ms | 29100 KB |
| 386045745 | Aug/07/2026 12:53 | SoiMae# | I - Superinvolutions | C++23 (GCC 14-64, msys2) | Wrong answer on test 7 | 62 ms | 10800 KB |
| 386045734 | Aug/07/2026 12:53 | SoiMae# | A - Addictions | C++23 (GCC 14-64, msys2) | Accepted | 92 ms | 100 KB |
| 386045641 | Aug/07/2026 12:52 | SoiMae# | E - Infinity Sect | C++23 (GCC 14-64, msys2) | Runtime error on test 3 | 92 ms | 3900 KB |
| 386045268 | Aug/07/2026 12:48 | SoiMae# | I - Superinvolutions | C++23 (GCC 14-64, msys2) | Time limit exceeded on test 7 | 1000 ms | 100 KB |
| 386045234 | Aug/07/2026 12:47 | SoiMae# | J - Truth | C++23 (GCC 14-64, msys2) | Wrong answer on test 45 | 92 ms | 2100 KB |
| 386044947 | Aug/07/2026 12:44 | SoiMae# | I - Superinvolutions | C++23 (GCC 14-64, msys2) | Wrong answer on test 2 | 62 ms | 100 KB |
| 386044880 | Aug/07/2026 12:43 | SoiMae# | E - Infinity Sect | C++23 (GCC 14-64, msys2) | Wrong answer on test 7 | 92 ms | 3900 KB |
| 386044813 | Aug/07/2026 12:43 | SoiMae# | I - Superinvolutions | C++23 (GCC 14-64, msys2) | Wrong answer on test 1 | 30 ms | 100 KB |
| 386044384 | Aug/07/2026 12:38 | SoiMae# | I - Superinvolutions | C++23 (GCC 14-64, msys2) | Wrong answer on test 1 | 30 ms | 100 KB |
| 386044356 | Aug/07/2026 12:38 | SoiMae# | E - Infinity Sect | C++23 (GCC 14-64, msys2) | Wrong answer on test 1 | 30 ms | 0 KB |
| 386044334 | Aug/07/2026 12:38 | SoiMae# | C - Decoding Martian Messages | C++23 (GCC 14-64, msys2) | Accepted | 250 ms | 13000 KB |
| 386044286 | Aug/07/2026 12:37 | SoiMae# | E - Infinity Sect | C++23 (GCC 14-64, msys2) | Wrong answer on test 3 | 92 ms | 3900 KB |
| 386044242 | Aug/07/2026 12:37 | SoiMae# | C - Decoding Martian Messages | C++23 (GCC 14-64, msys2) | Accepted | 250 ms | 7200 KB |
| 386044149 | Aug/07/2026 12:36 | SoiMae# | I - Superinvolutions | C++23 (GCC 14-64, msys2) | Wrong answer on test 1 | 30 ms | 100 KB |
| 386043834 | Aug/07/2026 12:32 | SoiMae# | E - Infinity Sect | C++23 (GCC 14-64, msys2) | Wrong answer on test 1 | 30 ms | 0 KB |
| 386043766 | Aug/07/2026 12:31 | SoiMae# | E - Infinity Sect | C++23 (GCC 14-64, msys2) | Compilation error | 0 ms | 0 KB |
| 386043223 | Aug/07/2026 12:26 | SoiMae# | C - Decoding Martian Messages | C++23 (GCC 14-64, msys2) | Wrong answer on test 8 | 156 ms | 13000 KB |
| 386043112 | Aug/07/2026 12:25 | SoiMae# | C - Decoding Martian Messages | C++23 (GCC 14-64, msys2) | Wrong answer on test 10 | 92 ms | 3700 KB |
| 386042914 | Aug/07/2026 12:23 | SoiMae# | C - Decoding Martian Messages | C++23 (GCC 14-64, msys2) | Wrong answer on test 7 | 62 ms | 13000 KB |
| 386042811 | Aug/07/2026 12:22 | SoiMae# | C - Decoding Martian Messages | C++23 (GCC 14-64, msys2) | Wrong answer on test 8 | 62 ms | 3700 KB |
| 386041423 | Aug/07/2026 12:08 | SoiMae# | C - Decoding Martian Messages | C++23 (GCC 14-64, msys2) | Wrong answer on test 7 | 92 ms | 7800 KB |
| 386040773 | Aug/07/2026 12:02 | SoiMae# | C - Decoding Martian Messages | C++23 (GCC 14-64, msys2) | Wrong answer on test 5 | 62 ms | 7800 KB |
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