→ 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 |
|---|---|---|---|---|---|---|---|
| 31109250 | Oct/07/2017 12:58 | vjudge3 | I - Roof Skeleton | GNU C++11 | Wrong answer on test 2 | 15 ms | 200 KB |
| 31109232 | Oct/07/2017 12:58 | vjudge4 | I - Roof Skeleton | GNU C++11 | Compilation error | 0 ms | 0 KB |
| 31109224 | Oct/07/2017 12:58 | vjudge4 | I - Roof Skeleton | GNU C++11 | Wrong answer on test 1 | 15 ms | 200 KB |
| 31109198 | Oct/07/2017 12:57 | vjudge3 | I - Roof Skeleton | GNU C++11 | Time limit exceeded on test 2 | 1000 ms | 200 KB |
| 31109081 | Oct/07/2017 12:54 | vjudge4 | H - Robots' Art | GNU C++11 | Time limit exceeded on test 16 | 2000 ms | 378300 KB |
| 31109052 | Oct/07/2017 12:53 | vjudge4 | H - Robots' Art | GNU C++11 | Wrong answer on test 1 | 15 ms | 378100 KB |
| 31108978 | Oct/07/2017 12:50 | vjudge5 | I - Roof Skeleton | GNU C++11 | Time limit exceeded on test 2 | 1000 ms | 200 KB |
| 31108875 | Oct/07/2017 12:47 | vjudge2 | A - 12:30PM | GNU C++11 | Wrong answer on test 6 | 0 ms | 200 KB |
| 31108868 | Oct/07/2017 12:47 | vjudge2 | H - Robots' Art | GNU C++11 | Time limit exceeded on test 16 | 2000 ms | 368000 KB |
| 31108861 | Oct/07/2017 12:47 | vjudge5 | H - Robots' Art | GNU C++11 | Wrong answer on test 1 | 0 ms | 367900 KB |
| 31108829 | Oct/07/2017 12:46 | vjudge3 | H - Robots' Art | GNU C++11 | Wrong answer on test 1 | 15 ms | 367900 KB |
| 31108819 | Oct/07/2017 12:46 | vjudge2 | I - Roof Skeleton | GNU C++11 | Time limit exceeded on test 2 | 1000 ms | 200 KB |
| 31108786 | Oct/07/2017 12:45 | vjudge5 | I - Roof Skeleton | GNU C++11 | Wrong answer on test 2 | 15 ms | 200 KB |
| 31108746 | Oct/07/2017 12:44 | vjudge3 | I - Roof Skeleton | GNU C++11 | Wrong answer on test 1 | 15 ms | 200 KB |
| 31108705 | Oct/07/2017 12:43 | vjudge5 | I - Roof Skeleton | GNU C++11 | Wrong answer on test 2 | 15 ms | 200 KB |
| 31108621 | Oct/07/2017 12:40 | vjudge4 | H - Robots' Art | GNU C++11 | Wrong answer on test 5 | 15 ms | 367900 KB |
| 31108562 | Oct/07/2017 12:38 | vjudge3 | E - Strange Digits | GNU C++11 | Wrong answer on test 4 | 15 ms | 5200 KB |
| 31108506 | Oct/07/2017 12:36 | vjudge2 | I - Roof Skeleton | GNU C++11 | Time limit exceeded on test 2 | 1000 ms | 200 KB |
| 31108311 | Oct/07/2017 12:30 | vjudge4 | I - Roof Skeleton | GNU C++11 | Wrong answer on test 2 | 15 ms | 200 KB |
| 31108259 | Oct/07/2017 12:28 | vjudge1 | H - Robots' Art | GNU C++11 | Wrong answer on test 5 | 15 ms | 367900 KB |
| 31108183 | Oct/07/2017 12:25 | vjudge4 | C - Spending Budget | GNU C++11 | Accepted | 31 ms | 200 KB |
| 31108052 | Oct/07/2017 12:21 | vjudge3 | H - Robots' Art | GNU C++11 | Memory limit exceeded on test 1 | 0 ms | 524300 KB |
| 31108048 | Oct/07/2017 12:21 | Abner1 | G - Permutations | GNU C++11 | Wrong answer on test 15 | 15 ms | 500 KB |
| 31108023 | Oct/07/2017 12:20 | vjudge3 | J - RSA | Java 8 | Accepted | 155 ms | 0 KB |
| 31107869 | Oct/07/2017 12:16 | vjudge4 | I - Roof Skeleton | GNU C++11 | Wrong answer on test 2 | 15 ms | 200 KB |
| 31107838 | Oct/07/2017 12:15 | vjudge3 | J - RSA | Java 8 | Wrong answer on test 6 | 140 ms | 0 KB |
| 31107750 | Oct/07/2017 12:13 | vjudge2 | I - Roof Skeleton | GNU C++11 | Wrong answer on test 2 | 15 ms | 200 KB |
| 31107632 | Oct/07/2017 12:09 | vjudge3 | I - Roof Skeleton | GNU C++11 | Wrong answer on test 2 | 15 ms | 200 KB |
| 31107574 | Oct/07/2017 12:07 | vjudge3 | I - Roof Skeleton | GNU C++11 | Wrong answer on test 2 | 0 ms | 200 KB |
| 31107554 | Oct/07/2017 12:07 | Abner1 | G - Permutations | GNU C++11 | Wrong answer on test 15 | 30 ms | 500 KB |
| 31107531 | Oct/07/2017 12:06 | vjudge5 | G - Permutations | GNU C++11 | Wrong answer on test 15 | 31 ms | 500 KB |
| 31107382 | Oct/07/2017 12:02 | vjudge2 | I - Roof Skeleton | GNU C++11 | Time limit exceeded on test 2 | 1000 ms | 200 KB |
| 31107143 | Oct/07/2017 11:57 | vjudge1 | I - Roof Skeleton | GNU C++11 | Time limit exceeded on test 2 | 1000 ms | 200 KB |
| 31106986 | Oct/07/2017 11:54 | vjudge1 | E - Strange Digits | GNU C++11 | Wrong answer on test 4 | 15 ms | 5100 KB |
| 31106791 | Oct/07/2017 11:49 | vjudge5 | A - 12:30PM | GNU C++11 | Wrong answer on test 12 | 62 ms | 6700 KB |
| 31106747 | Oct/07/2017 11:48 | vjudge1 | E - Strange Digits | GNU C++11 | Wrong answer on test 4 | 15 ms | 5100 KB |
| 31106742 | Oct/07/2017 11:48 | vjudge3 | A - 12:30PM | GNU C++11 | Wrong answer on test 1 | 0 ms | 200 KB |
| 31106415 | Oct/07/2017 11:39 | vjudge1 | E - Strange Digits | GNU C++11 | Wrong answer on test 4 | 15 ms | 5100 KB |
| 31106256 | Oct/07/2017 11:35 | vjudge4 | C - Spending Budget | GNU C++11 | Wrong answer on test 1 | 0 ms | 0 KB |
| 31106224 | Oct/07/2017 11:35 | vjudge4 | G - Permutations | GNU C++11 | Time limit exceeded on test 1 | 1000 ms | 1200 KB |
| 31106199 | Oct/07/2017 11:34 | vjudge1 | J - RSA | Java 8 | Wrong answer on test 6 | 140 ms | 0 KB |
| 31105868 | Oct/07/2017 11:27 | tobeNO.1 | F - Graph Factorization | C++14 (GCC 6-32) | Wrong answer on test 1 | 15 ms | 900 KB |
| 31105845 | Oct/07/2017 11:26 | tobeNO.1 | F - Graph Factorization | C++14 (GCC 6-32) | Wrong answer on test 1 | 15 ms | 1000 KB |
| 31105649 | Oct/07/2017 11:21 | vjudge2 | E - Strange Digits | Python 2 | Accepted | 280 ms | 2000 KB |
| 31105596 | Oct/07/2017 11:19 | tobeNO.1 | F - Graph Factorization | C++14 (GCC 6-32) | Wrong answer on test 1 | 15 ms | 1000 KB |
| 31105466 | Oct/07/2017 11:16 | vjudge3 | A - 12:30PM | GNU C++11 | Wrong answer on test 12 | 77 ms | 5400 KB |
| 31105411 | Oct/07/2017 11:15 | csfxjtu | G - Permutations | Python 3 | Wrong answer on test 3 | 46 ms | 0 KB |
| 31105383 | Oct/07/2017 11:14 | csfxjtu | G - Permutations | GNU C++11 | Compilation error | 0 ms | 0 KB |
| 31105368 | Oct/07/2017 11:14 | vjudge5 | G - Permutations | PyPy 3 | Accepted | 109 ms | 400 KB |
| 31105264 | Oct/07/2017 11:11 | Abner1 | G - Permutations | GNU C++11 | Wrong answer on test 6 | 15 ms | 500 KB |
Sort by:
Codeforces (c) Copyright 2010-2026 Mike Mirzayanov
The only programming contests Web 2.0 platform
Server time: May/24/2026 09:59:54 (f1).
Desktop version, switch to mobile version.
Supported by
