→ 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 |
|---|---|---|---|---|---|---|---|
| 369810683 | Apr/05/2026 05:38 | chenwz | E - Mazes Exit Guide | C++20 (GCC 13-64) | Accepted | 124 ms | 700 KB |
| 369601132 | Apr/04/2026 17:23 | chenwz | C - Formatting | C++20 (GCC 13-64) | Accepted | 906 ms | 64600 KB |
| 369600799 | Apr/04/2026 17:20 | chenwz | C - Formatting | C++20 (GCC 13-64) | Accepted | 812 ms | 64600 KB |
| 369599128 | Apr/04/2026 17:04 | chenwz | C - Formatting | C++20 (GCC 13-64) | Memory limit exceeded on test 1 | 30 ms | 65500 KB |
| 369598712 | Apr/04/2026 17:00 | chenwz | C - Formatting | C++20 (GCC 13-64) | Wrong answer on test 1 | 0 ms | 64600 KB |
| 369534936 | Apr/04/2026 08:11 | chenwz | G - Primitive Product | C++20 (GCC 13-64) | Accepted | 92 ms | 100 KB |
| 369530248 | Apr/04/2026 06:55 | chenwz | G - Primitive Product | C++20 (GCC 13-64) | Accepted | 92 ms | 100 KB |
| 369530038 | Apr/04/2026 06:50 | chenwz | G - Primitive Product | C++20 (GCC 13-64) | Wrong answer on test 1 | 62 ms | 100 KB |
| 369529847 | Apr/04/2026 06:47 | chenwz | G - Primitive Product | C++20 (GCC 13-64) | Wrong answer on test 1 | 30 ms | 0 KB |
| 369525547 | Apr/04/2026 05:04 | chenwz | E - Mazes Exit Guide | C++20 (GCC 13-64) | Accepted | 92 ms | 700 KB |
| 369525253 | Apr/04/2026 04:54 | chenwz | C - Formatting | C++20 (GCC 13-64) | Accepted | 812 ms | 64600 KB |
| 369525119 | Apr/04/2026 04:50 | chenwz | C - Formatting | C++20 (GCC 13-64) | Accepted | 874 ms | 64600 KB |
| 369524990 | Apr/04/2026 04:47 | chenwz | C - Formatting | C++20 (GCC 13-64) | Memory limit exceeded on test 1 | 62 ms | 65500 KB |
| 369524763 | Apr/04/2026 04:39 | chenwz | A - Perfect Bombing | C++20 (GCC 13-64) | Accepted | 342 ms | 4400 KB |
| 369524721 | Apr/04/2026 04:38 | chenwz | A - Perfect Bombing | C++20 (GCC 13-64) | Memory limit exceeded on test 15 | 342 ms | 65500 KB |
| 369523270 | Apr/04/2026 03:46 | chenwz | C - Formatting | C++20 (GCC 13-64) | Accepted | 780 ms | 64600 KB |
| 369523220 | Apr/04/2026 03:44 | chenwz | I - Roundtrip | C++20 (GCC 13-64) | Accepted | 124 ms | 25900 KB |
| 369523169 | Apr/04/2026 03:42 | chenwz | A - Perfect Bombing | C++20 (GCC 13-64) | Accepted | 312 ms | 4600 KB |
| 369523146 | Apr/04/2026 03:41 | chenwz | E - Mazes Exit Guide | C++20 (GCC 13-64) | Accepted | 124 ms | 700 KB |
| 369523119 | Apr/04/2026 03:40 | chenwz | G - Primitive Product | C++20 (GCC 13-64) | Accepted | 92 ms | 100 KB |
| 369318754 | Apr/02/2026 09:40 | qwwqcy | I - Roundtrip | C++20 (GCC 13-64) | Accepted | 124 ms | 25900 KB |
| 369318604 | Apr/02/2026 09:38 | qwwqcy | I - Roundtrip | C++20 (GCC 13-64) | Accepted | 92 ms | 25900 KB |
| 369317566 | Apr/02/2026 09:27 | qwwqcy | I - Roundtrip | C++20 (GCC 13-64) | Wrong answer on test 1 | 92 ms | 25800 KB |
| 369317518 | Apr/02/2026 09:26 | qwwqcy | I - Roundtrip | C++20 (GCC 13-64) | Wrong answer on test 1 | 62 ms | 25900 KB |
| 369315941 | Apr/02/2026 09:08 | qwwqcy | I - Roundtrip | C++20 (GCC 13-64) | Time limit exceeded on test 1 | 1000 ms | 25900 KB |
| 369315835 | Apr/02/2026 09:06 | qwwqcy | I - Roundtrip | C++20 (GCC 13-64) | Compilation error | 0 ms | 0 KB |
| 368647133 | Mar/29/2026 11:00 | qwwqcy | C - Formatting | C++20 (GCC 13-64) | Accepted | 936 ms | 64600 KB |
| 368646953 | Mar/29/2026 10:59 | qwwqcy | C - Formatting | C++20 (GCC 13-64) | Accepted | 906 ms | 64600 KB |
| 368646808 | Mar/29/2026 10:57 | qwwqcy | I - Roundtrip | C++20 (GCC 13-64) | Wrong answer on test 1 | 62 ms | 0 KB |
| 368645934 | Mar/29/2026 10:50 | qwwqcy | I - Roundtrip | C++20 (GCC 13-64) | Wrong answer on test 1 | 0 ms | 0 KB |
| 368645848 | Mar/29/2026 10:49 | qwwqcy | C - Formatting | C++20 (GCC 13-64) | Wrong answer on test 1 | 0 ms | 64500 KB |
| 368645647 | Mar/29/2026 10:47 | qwwqcy | A - Perfect Bombing | C++20 (GCC 13-64) | Accepted | 342 ms | 4500 KB |
| 368645384 | Mar/29/2026 10:45 | qwwqcy | I - Roundtrip | C++20 (GCC 13-64) | Wrong answer on test 1 | 62 ms | 25900 KB |
| 368645344 | Mar/29/2026 10:45 | qwwqcy | A - Perfect Bombing | C++20 (GCC 13-64) | Time limit exceeded on test 12 | 1000 ms | 27200 KB |
| 368645153 | Mar/29/2026 10:43 | qwwqcy | A - Perfect Bombing | C++20 (GCC 13-64) | Accepted | 342 ms | 4600 KB |
| 368644595 | Mar/29/2026 10:38 | qwwqcy | A - Perfect Bombing | C++20 (GCC 13-64) | Wrong answer on test 1 | 62 ms | 0 KB |
| 368644473 | Mar/29/2026 10:37 | qwwqcy | E - Mazes Exit Guide | C++20 (GCC 13-64) | Accepted | 124 ms | 700 KB |
| 368644254 | Mar/29/2026 10:35 | qwwqcy | E - Mazes Exit Guide | C++20 (GCC 13-64) | Accepted | 406 ms | 35900 KB |
| 368644123 | Mar/29/2026 10:34 | qwwqcy | C - Formatting | C++20 (GCC 13-64) | Compilation error | 0 ms | 0 KB |
| 368643998 | Mar/29/2026 10:32 | qwwqcy | G - Primitive Product | C++20 (GCC 13-64) | Accepted | 92 ms | 100 KB |
| 368643849 | Mar/29/2026 10:31 | qwwqcy | G - Primitive Product | C++20 (GCC 13-64) | Accepted | 92 ms | 100 KB |
| 368643310 | Mar/29/2026 10:26 | qwwqcy | A - Perfect Bombing | C++20 (GCC 13-64) | Time limit exceeded on test 12 | 1000 ms | 27300 KB |
| 368642706 | Mar/29/2026 10:20 | qwwqcy | G - Primitive Product | C++20 (GCC 13-64) | Time limit exceeded on test 1 | 1000 ms | 0 KB |
| 353147041 | Dec/12/2025 08:51 | hobbycp | C - Formatting | C++23 (GCC 14-64, msys2) | Accepted | 1500 ms | 9100 KB |
| 353146955 | Dec/12/2025 08:50 | hobbycp | B - Fixed Point | PyPy 3-64 | Wrong answer on test 1 | 30 ms | 600 KB |
| 353146863 | Dec/12/2025 08:49 | hobbycp | B - Fixed Point | PyPy 3-64 | Wrong answer on test 1 | 92 ms | 1200 KB |
| 349838536 | Nov/20/2025 14:53 | hobbycp | F - Nonequal Parts | C++17 (GCC 7-32) | Wrong answer on test 1 | 122 ms | 0 KB |
| 349838073 | Nov/20/2025 14:49 | hobbycp | F - Nonequal Parts | C++17 (GCC 7-32) | Time limit exceeded on test 70 | 1000 ms | 0 KB |
| 349837931 | Nov/20/2025 14:48 | hobbycp | F - Nonequal Parts | C++17 (GCC 7-32) | Time limit exceeded on test 51 | 1000 ms | 0 KB |
| 349837785 | Nov/20/2025 14:47 | hobbycp | F - Nonequal Parts | C++17 (GCC 7-32) | Time limit exceeded on test 55 | 1000 ms | 0 KB |
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