→ 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 |
|---|---|---|---|---|---|---|---|
| 375647792 | May/22/2026 16:10 | lyh3.14 | C - Express Trains | C++23 (GCC 14-64, msys2) | Accepted | 780 ms | 49000 KB |
| 375646038 | May/22/2026 15:54 | lyh3.14 | C - Express Trains | C++23 (GCC 14-64, msys2) | Wrong answer on test 3 | 62 ms | 32200 KB |
| 375645833 | May/22/2026 15:53 | lyh3.14 | C - Express Trains | C++23 (GCC 14-64, msys2) | Memory limit exceeded on test 1 | 0 ms | 65500 KB |
| 374287828 | May/12/2026 15:32 | yuanyiguo | I - Sharing the Sweets | C++23 (GCC 14-64, msys2) | Accepted | 92 ms | 100 KB |
| 374285521 | May/12/2026 15:15 | yuanyiguo | I - Sharing the Sweets | C++23 (GCC 14-64, msys2) | Wrong answer on test 43 | 92 ms | 100 KB |
| 374285357 | May/12/2026 15:13 | yuanyiguo | I - Sharing the Sweets | C++23 (GCC 14-64, msys2) | Wrong answer on test 43 | 92 ms | 100 KB |
| 374284939 | May/12/2026 15:10 | yuanyiguo | I - Sharing the Sweets | C++17 (GCC 7-32) | Compilation error | 0 ms | 0 KB |
| 374283902 | May/12/2026 15:01 | yuanyiguo | I - Sharing the Sweets | C++17 (GCC 7-32) | Wrong answer on test 43 | 92 ms | 100 KB |
| 374283524 | May/12/2026 14:58 | yuanyiguo | I - Sharing the Sweets | C++17 (GCC 7-32) | Wrong answer on test 2 | 30 ms | 17700 KB |
| 374283435 | May/12/2026 14:57 | yuanyiguo | I - Sharing the Sweets | C++17 (GCC 7-32) | Wrong answer on test 1 | 30 ms | 17700 KB |
| 373964803 | May/09/2026 05:06 | syzxliangyuhan | I - Sharing the Sweets | C++20 (GCC 13-64) | Accepted | 62 ms | 35500 KB |
| 373964755 | May/09/2026 05:05 | syzxliangyuhan | I - Sharing the Sweets | C++20 (GCC 13-64) | Memory limit exceeded on test 1 | 30 ms | 65500 KB |
| 373964691 | May/09/2026 05:03 | syzxliangyuhan | I - Sharing the Sweets | C++20 (GCC 13-64) | Memory limit exceeded on test 1 | 0 ms | 65500 KB |
| 373964671 | May/09/2026 05:02 | syzxliangyuhan | I - Sharing the Sweets | C++20 (GCC 13-64) | Memory limit exceeded on test 1 | 342 ms | 65500 KB |
| 373964614 | May/09/2026 05:00 | syzxliangyuhan | I - Sharing the Sweets | C++20 (GCC 13-64) | Wrong answer on test 43 | 92 ms | 35700 KB |
| 373895108 | May/08/2026 12:38 | zuixin | I - Sharing the Sweets | C++20 (GCC 13-64) | Accepted | 92 ms | 37600 KB |
| 373895009 | May/08/2026 12:36 | zuixin | I - Sharing the Sweets | C++20 (GCC 13-64) | Wrong answer on test 43 | 124 ms | 19800 KB |
| 373068559 | Apr/30/2026 17:17 | daisybunny | I - Sharing the Sweets | C++20 (GCC 13-64) | Accepted | 592 ms | 1400 KB |
| 373068265 | Apr/30/2026 17:14 | daisybunny | I - Sharing the Sweets | C++20 (GCC 13-64) | Time limit exceeded on test 54 | 1000 ms | 4900 KB |
| 373001229 | Apr/30/2026 03:09 | sto_HXY_orz | I - Sharing the Sweets | C++20 (GCC 13-64) | Accepted | 92 ms | 35500 KB |
| 372918344 | Apr/29/2026 10:12 | Chen_ri_kang | I - Sharing the Sweets | C++17 (GCC 7-32) | Accepted | 92 ms | 44200 KB |
| 371480972 | Apr/17/2026 13:19 | Chen_ri_kang | I - Sharing the Sweets | C++17 (GCC 7-32) | Accepted | 62 ms | 44100 KB |
| 371480892 | Apr/17/2026 13:18 | Chen_ri_kang | I - Sharing the Sweets | C++17 (GCC 7-32) | Accepted | 92 ms | 44100 KB |
| 371480766 | Apr/17/2026 13:17 | Chen_ri_kang | I - Sharing the Sweets | C++17 (GCC 7-32) | Time limit exceeded on test 1 | 1000 ms | 44100 KB |
| 371242587 | Apr/15/2026 14:23 | qwwqcy | D - Merge Sort | C++20 (GCC 13-64) | Accepted | 92 ms | 1100 KB |
| 369522563 | Apr/04/2026 03:18 | chenwz | D - Merge Sort | C++20 (GCC 13-64) | Accepted | 92 ms | 1000 KB |
| 369522530 | Apr/04/2026 03:16 | chenwz | D - Merge Sort | C++20 (GCC 13-64) | Accepted | 92 ms | 1000 KB |
| 369522516 | Apr/04/2026 03:16 | chenwz | D - Merge Sort | C++20 (GCC 13-64) | Wrong answer on test 1 | 30 ms | 0 KB |
| 369522512 | Apr/04/2026 03:15 | chenwz | D - Merge Sort | C++20 (GCC 13-64) | Compilation error | 0 ms | 0 KB |
| 369484558 | Apr/03/2026 18:27 | chenwz | A - Finite Automata | C++20 (GCC 13-64) | Accepted | 92 ms | 100 KB |
| 369406634 | Apr/03/2026 04:11 | chenwz | D - Merge Sort | C++20 (GCC 13-64) | Accepted | 124 ms | 1000 KB |
| 369406392 | Apr/03/2026 04:03 | chenwz | D - Merge Sort | C++20 (GCC 13-64) | Accepted | 124 ms | 1400 KB |
| 369376277 | Apr/02/2026 19:28 | chenwz | D - Merge Sort | C++20 (GCC 13-64) | Accepted | 92 ms | 1100 KB |
| 369375827 | Apr/02/2026 19:24 | chenwz | G - Palindromes | C++20 (GCC 13-64) | Accepted | 436 ms | 0 KB |
| 369374706 | Apr/02/2026 19:13 | chenwz | D - Merge Sort | C++20 (GCC 13-64) | Wrong answer on test 1 | 342 ms | 1000 KB |
| 369374607 | Apr/02/2026 19:13 | chenwz | D - Merge Sort | C++20 (GCC 13-64) | Compilation error | 0 ms | 0 KB |
| 369374353 | Apr/02/2026 19:10 | chenwz | D - Merge Sort | C++20 (GCC 13-64) | Wrong answer on test 1 | 374 ms | 900 KB |
| 369372578 | Apr/02/2026 18:53 | chenwz | J - Tree Analysis | C++20 (GCC 13-64) | Accepted | 312 ms | 39000 KB |
| 369372345 | Apr/02/2026 18:51 | chenwz | G - Palindromes | C++20 (GCC 13-64) | Wrong answer on test 1 | 62 ms | 0 KB |
| 369371546 | Apr/02/2026 18:43 | chenwz | A - Finite Automata | C++20 (GCC 13-64) | Accepted | 62 ms | 0 KB |
| 369370400 | Apr/02/2026 18:33 | chenwz | I - Sharing the Sweets | C++20 (GCC 13-64) | Accepted | 92 ms | 31600 KB |
| 369369059 | Apr/02/2026 18:20 | chenwz | J - Tree Analysis | C++20 (GCC 13-64) | Accepted | 374 ms | 35800 KB |
| 369368957 | Apr/02/2026 18:19 | chenwz | I - Sharing the Sweets | C++20 (GCC 13-64) | Accepted | 92 ms | 35500 KB |
| 369368799 | Apr/02/2026 18:18 | chenwz | H - Prime Sum | C++20 (GCC 13-64) | Accepted | 124 ms | 0 KB |
| 369368579 | Apr/02/2026 18:15 | chenwz | G - Palindromes | C++20 (GCC 13-64) | Accepted | 468 ms | 100 KB |
| 369368435 | Apr/02/2026 18:14 | chenwz | D - Merge Sort | C++20 (GCC 13-64) | Accepted | 124 ms | 63800 KB |
| 369368338 | Apr/02/2026 18:13 | chenwz | A - Finite Automata | C++20 (GCC 13-64) | Accepted | 62 ms | 45500 KB |
| 368641800 | Mar/29/2026 10:11 | qwwqcy | D - Merge Sort | C++20 (GCC 13-64) | Accepted | 124 ms | 63800 KB |
| 368641671 | Mar/29/2026 10:09 | qwwqcy | D - Merge Sort | C++20 (GCC 13-64) | Accepted | 156 ms | 1800 KB |
| 368641082 | Mar/29/2026 10:04 | qwwqcy | D - Merge Sort | C++20 (GCC 13-64) | Wrong answer on test 1 | 30 ms | 0 KB |
Sort by:
Codeforces (c) Copyright 2010-2026 Mike Mirzayanov
The only programming contests Web 2.0 platform
Server time: May/23/2026 15:43:31 (g1).
Desktop version, switch to mobile version.
Supported by
