→ 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 |
|---|---|---|---|---|---|---|---|
| 388066314 | Aug/23/2026 05:40 | zhanglewei4598 | C - Holidays | C++20 (GCC 13-64) | Wrong answer on test 1 | 62 ms | 100 KB |
| 380452561 | Jun/28/2026 15:33 | lkotyaral | A - Little Brackets | Python 3 | Time limit exceeded on test 7 | 1000 ms | 100 KB |
| 380452436 | Jun/28/2026 15:31 | lkotyaral | A - Little Brackets | Python 3 | Time limit exceeded on test 7 | 1000 ms | 100 KB |
| 380452339 | Jun/28/2026 15:30 | lkotyaral | A - Little Brackets | Python 3 | Compilation error | 0 ms | 0 KB |
| 380452143 | Jun/28/2026 15:27 | lkotyaral | A - Little Brackets | C++17 (GCC 7-32) | Compilation error | 0 ms | 0 KB |
| 380452009 | Jun/28/2026 15:26 | lkotyaral | A - Little Brackets | GNU C11 | Compilation error | 0 ms | 0 KB |
| 380451848 | Jun/28/2026 15:24 | lkotyaral | A - Little Brackets | GNU C11 | Compilation error | 0 ms | 0 KB |
| 380451703 | Jun/28/2026 15:23 | lkotyaral | A - Little Brackets | C++17 (GCC 7-32) | Compilation error | 0 ms | 0 KB |
| 380451377 | Jun/28/2026 15:19 | lkotyaral | A - Little Brackets | C++17 (GCC 7-32) | Wrong answer on test 7 | 406 ms | 0 KB |
| 380450406 | Jun/28/2026 15:08 | lkotyaral | A - Little Brackets | C++17 (GCC 7-32) | Wrong answer on test 7 | 780 ms | 0 KB |
| 380450166 | Jun/28/2026 15:05 | lkotyaral | A - Little Brackets | C++17 (GCC 7-32) | Time limit exceeded on test 7 | 1000 ms | 0 KB |
| 380449961 | Jun/28/2026 15:03 | lkotyaral | A - Little Brackets | C++17 (GCC 7-32) | Runtime error on test 1 | 62 ms | 0 KB |
| 380449642 | Jun/28/2026 15:00 | lkotyaral | A - Little Brackets | C++17 (GCC 7-32) | Runtime error on test 1 | 30 ms | 0 KB |
| 377074044 | Jun/03/2026 05:53 | qwwqcy | B - Under Control | C++20 (GCC 13-64) | Accepted | 92 ms | 0 KB |
| 377073984 | Jun/03/2026 05:52 | qwwqcy | B - Under Control | GNU C11 | Compilation error | 0 ms | 0 KB |
| 373964941 | May/09/2026 05:10 | zuixin | C - Holidays | C++20 (GCC 13-64) | Accepted | 62 ms | 7100 KB |
| 373964404 | May/09/2026 04:53 | zuixin | C - Holidays | C++20 (GCC 13-64) | Wrong answer on test 16 | 62 ms | 7000 KB |
| 373643963 | May/06/2026 06:15 | guruiguhaihua | A - Little Brackets | C++23 (GCC 14-64, msys2) | Accepted | 92 ms | 1000 KB |
| 373643928 | May/06/2026 06:14 | guruiguhaihua | A - Little Brackets | C++23 (GCC 14-64, msys2) | Wrong answer on test 1 | 30 ms | 1000 KB |
| 373384057 | May/03/2026 07:34 | daisybunny | A - Little Brackets | C++20 (GCC 13-64) | Accepted | 62 ms | 9700 KB |
| 373327617 | May/02/2026 15:50 | zhuhaocheng | A - Little Brackets | C++23 (GCC 14-64, msys2) | Wrong answer on test 1 | 30 ms | 100 KB |
| 373295799 | May/02/2026 09:23 | Gryllshsy | A - Little Brackets | C++20 (GCC 13-64) | Accepted | 30 ms | 400 KB |
| 373295722 | May/02/2026 09:22 | Gryllshsy | A - Little Brackets | C++20 (GCC 13-64) | Wrong answer on test 1 | 62 ms | 400 KB |
| 373295489 | May/02/2026 09:19 | Gryllshsy | A - Little Brackets | C++20 (GCC 13-64) | Wrong answer on test 1 | 62 ms | 400 KB |
| 373295394 | May/02/2026 09:18 | Gryllshsy | A - Little Brackets | C++20 (GCC 13-64) | Wrong answer on test 1 | 62 ms | 400 KB |
| 373216678 | May/01/2026 13:18 | CRqwq | A - Little Brackets | C++20 (GCC 13-64) | Wrong answer on test 1 | 30 ms | 0 KB |
| 373216587 | May/01/2026 13:16 | CRqwq | A - Little Brackets | C++20 (GCC 13-64) | Wrong answer on test 1 | 62 ms | 0 KB |
| 373216842 | May/01/2026 13:20 | CRqwq | A - Little Brackets | C++20 (GCC 13-64) | Accepted | 718 ms | 0 KB |
| 373203179 | May/01/2026 09:53 | sto_HXY_orz | A - Little Brackets | C++20 (GCC 13-64) | Accepted | 656 ms | 5200 KB |
| 373196402 | May/01/2026 08:12 | dingtianyue | A - Little Brackets | C++17 (GCC 7-32) | Memory limit exceeded on test 1 | 62 ms | 65500 KB |
| 373192229 | May/01/2026 06:57 | dingtianyue | A - Little Brackets | C++17 (GCC 7-32) | Wrong answer on test 7 | 62 ms | 2100 KB |
| 373192219 | May/01/2026 06:56 | huang_qi_shuo | A - Little Brackets | C++17 (GCC 7-32) | Accepted | 92 ms | 4000 KB |
| 373192208 | May/01/2026 06:56 | dingtianyue | A - Little Brackets | C++17 (GCC 7-32) | Wrong answer on test 1 | 92 ms | 2100 KB |
| 373192055 | May/01/2026 06:53 | dingtianyue | A - Little Brackets | C++17 (GCC 7-32) | Wrong answer on test 1 | 0 ms | 2000 KB |
| 373189063 | May/01/2026 05:39 | dingtianyue | A - Little Brackets | C++17 (GCC 7-32) | Wrong answer on test 7 | 92 ms | 0 KB |
| 373188848 | May/01/2026 05:34 | dingtianyue | A - Little Brackets | C++17 (GCC 7-32) | Accepted | 218 ms | 0 KB |
| 373188751 | May/01/2026 05:31 | dingtianyue | A - Little Brackets | C++17 (GCC 7-32) | Wrong answer on test 1 | 218 ms | 0 KB |
| 373188301 | May/01/2026 05:23 | dingtianyue | A - Little Brackets | C++17 (GCC 7-32) | Wrong answer on test 1 | 62 ms | 0 KB |
| 373188135 | May/01/2026 05:18 | dingtianyue | A - Little Brackets | C++17 (GCC 7-32) | Wrong answer on test 1 | 218 ms | 0 KB |
| 373188092 | May/01/2026 05:17 | dingtianyue | A - Little Brackets | C++17 (GCC 7-32) | Compilation error | 0 ms | 0 KB |
| 373188052 | May/01/2026 05:15 | dingtianyue | A - Little Brackets | C++17 (GCC 7-32) | Compilation error | 0 ms | 0 KB |
| 373187887 | May/01/2026 05:11 | dingtianyue | A - Little Brackets | C++17 (GCC 7-32) | Wrong answer on test 1 | 30 ms | 0 KB |
| 373187685 | May/01/2026 05:05 | huang_qi_shuo | A - Little Brackets | C++17 (GCC 7-32) | Compilation error | 0 ms | 0 KB |
| 373042392 | Apr/30/2026 12:03 | daisybunny | A - Little Brackets | C++20 (GCC 13-64) | Wrong answer on test 7 | 92 ms | 9800 KB |
| 373042053 | Apr/30/2026 12:00 | daisybunny | A - Little Brackets | C++20 (GCC 13-64) | Wrong answer on test 1 | 0 ms | 9700 KB |
| 373041491 | Apr/30/2026 11:56 | daisybunny | A - Little Brackets | C++20 (GCC 13-64) | Wrong answer on test 7 | 62 ms | 9700 KB |
| 373040367 | Apr/30/2026 11:48 | daisybunny | A - Little Brackets | C++20 (GCC 13-64) | Wrong answer on test 7 | 92 ms | 9700 KB |
| 373038535 | Apr/30/2026 11:35 | daisybunny | A - Little Brackets | C++20 (GCC 13-64) | Wrong answer on test 7 | 92 ms | 2500 KB |
| 373038040 | Apr/30/2026 11:32 | daisybunny | A - Little Brackets | C++20 (GCC 13-64) | Wrong answer on test 1 | 30 ms | 2500 KB |
| 373001243 | Apr/30/2026 03:10 | sto_HXY_orz | A - Little Brackets | C++20 (GCC 13-64) | Accepted | 812 ms | 5200 KB |
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