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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 |
|---|---|---|---|---|---|---|---|
| 375634802 | May/22/2026 14:09 | msab3f | C - Order-Preserving Codes | C++20 (GCC 13-64) | Accepted | 156 ms | 47500 KB |
| 375224517 | May/19/2026 15:02 | SupersonicMan12 | C - Order-Preserving Codes | C++20 (GCC 13-64) | Accepted | 124 ms | 47300 KB |
| 375223935 | May/19/2026 14:55 | SupersonicMan12 | C - Order-Preserving Codes | C++20 (GCC 13-64) | Memory limit exceeded on test 1 | 92 ms | 65500 KB |
| 374261685 | May/12/2026 11:00 | sukrit.limp | C - Order-Preserving Codes | C++20 (GCC 13-64) | Accepted | 186 ms | 46700 KB |
| 373889898 | May/08/2026 11:25 | Warinchai_s | C - Order-Preserving Codes | C++20 (GCC 13-64) | Wrong answer on test 1 | 62 ms | 62900 KB |
| 373889782 | May/08/2026 11:24 | Warinchai_s | C - Order-Preserving Codes | C++20 (GCC 13-64) | Wrong answer on test 1 | 92 ms | 63000 KB |
| 373889693 | May/08/2026 11:23 | Warinchai_s | C - Order-Preserving Codes | C++20 (GCC 13-64) | Wrong answer on test 1 | 62 ms | 62900 KB |
| 373889516 | May/08/2026 11:20 | Warinchai_s | C - Order-Preserving Codes | C++20 (GCC 13-64) | Wrong answer on test 1 | 62 ms | 63000 KB |
| 373889259 | May/08/2026 11:16 | Warinchai_s | C - Order-Preserving Codes | C++20 (GCC 13-64) | Wrong answer on test 1 | 30 ms | 63000 KB |
| 373889150 | May/08/2026 11:14 | Warinchai_s | C - Order-Preserving Codes | C++20 (GCC 13-64) | Wrong answer on test 1 | 0 ms | 63000 KB |
| 373889116 | May/08/2026 11:14 | Warinchai_s | C - Order-Preserving Codes | C++20 (GCC 13-64) | Runtime error on test 1 | 30 ms | 62900 KB |
| 373889079 | May/08/2026 11:13 | Warinchai_s | C - Order-Preserving Codes | C++20 (GCC 13-64) | Runtime error on test 1 | 30 ms | 63000 KB |
| 373889050 | May/08/2026 11:13 | Warinchai_s | C - Order-Preserving Codes | C++20 (GCC 13-64) | Wrong answer on test 1 | 62 ms | 63000 KB |
| 373889011 | May/08/2026 11:12 | Warinchai_s | C - Order-Preserving Codes | C++20 (GCC 13-64) | Wrong answer on test 1 | 0 ms | 63000 KB |
| 373888984 | May/08/2026 11:12 | Warinchai_s | C - Order-Preserving Codes | C++20 (GCC 13-64) | Wrong answer on test 1 | 30 ms | 63000 KB |
| 373888942 | May/08/2026 11:11 | Warinchai_s | C - Order-Preserving Codes | C++20 (GCC 13-64) | Wrong answer on test 1 | 0 ms | 62900 KB |
| 373888919 | May/08/2026 11:11 | Warinchai_s | C - Order-Preserving Codes | C++20 (GCC 13-64) | Runtime error on test 1 | 30 ms | 63000 KB |
| 373888892 | May/08/2026 11:10 | Warinchai_s | C - Order-Preserving Codes | C++20 (GCC 13-64) | Runtime error on test 1 | 62 ms | 63000 KB |
| 373888848 | May/08/2026 11:09 | Warinchai_s | C - Order-Preserving Codes | C++20 (GCC 13-64) | Runtime error on test 1 | 62 ms | 63000 KB |
| 373888767 | May/08/2026 11:08 | Warinchai_s | C - Order-Preserving Codes | C++20 (GCC 13-64) | Runtime error on test 1 | 0 ms | 63000 KB |
| 373888675 | May/08/2026 11:07 | Warinchai_s | C - Order-Preserving Codes | C++20 (GCC 13-64) | Runtime error on test 1 | 62 ms | 63000 KB |
| 373888635 | May/08/2026 11:06 | Warinchai_s | C - Order-Preserving Codes | C++20 (GCC 13-64) | Runtime error on test 1 | 30 ms | 63000 KB |
| 373888462 | May/08/2026 11:04 | Warinchai_s | C - Order-Preserving Codes | C++20 (GCC 13-64) | Runtime error on test 1 | 92 ms | 63000 KB |
| 373888401 | May/08/2026 11:03 | Warinchai_s | C - Order-Preserving Codes | C++20 (GCC 13-64) | Wrong answer on test 1 | 30 ms | 63000 KB |
| 373888361 | May/08/2026 11:02 | Warinchai_s | C - Order-Preserving Codes | C++20 (GCC 13-64) | Runtime error on test 1 | 62 ms | 63000 KB |
| 373888116 | May/08/2026 10:58 | Warinchai_s | C - Order-Preserving Codes | C++23 (GCC 14-64, msys2) | Runtime error on test 1 | 30 ms | 63000 KB |
| 373885948 | May/08/2026 10:26 | a0ms1n | C - Order-Preserving Codes | C++23 (GCC 14-64, msys2) | Accepted | 156 ms | 62900 KB |
| 373885904 | May/08/2026 10:25 | a0ms1n | C - Order-Preserving Codes | C++23 (GCC 14-64, msys2) | Wrong answer on test 1 | 0 ms | 62800 KB |
| 373885692 | May/08/2026 10:22 | a0ms1n | C - Order-Preserving Codes | C++23 (GCC 14-64, msys2) | Wrong answer on test 1 | 30 ms | 62800 KB |
| 373643877 | May/06/2026 06:13 | guruiguhaihua | C - Order-Preserving Codes | C++23 (GCC 14-64, msys2) | Accepted | 218 ms | 47400 KB |
| 373643847 | May/06/2026 06:12 | guruiguhaihua | C - Order-Preserving Codes | C++23 (GCC 14-64, msys2) | Accepted | 186 ms | 47400 KB |
| 373643758 | May/06/2026 06:09 | guruiguhaihua | C - Order-Preserving Codes | C++23 (GCC 14-64, msys2) | Memory limit exceeded on test 1 | 156 ms | 65500 KB |
| 373643724 | May/06/2026 06:08 | guruiguhaihua | C - Order-Preserving Codes | C++23 (GCC 14-64, msys2) | Memory limit exceeded on test 1 | 342 ms | 65500 KB |
| 373643650 | May/06/2026 06:06 | guruiguhaihua | C - Order-Preserving Codes | C++23 (GCC 14-64, msys2) | Time limit exceeded on test 15 | 1000 ms | 47300 KB |
| 373643289 | May/06/2026 05:56 | guruiguhaihua | C - Order-Preserving Codes | C++23 (GCC 14-64, msys2) | Time limit exceeded on test 15 | 1000 ms | 47300 KB |
| 373643246 | May/06/2026 05:55 | guruiguhaihua | C - Order-Preserving Codes | C++23 (GCC 14-64, msys2) | Memory limit exceeded on test 1 | 156 ms | 65500 KB |
| 373643241 | May/06/2026 05:55 | guruiguhaihua | C - Order-Preserving Codes | C++23 (GCC 14-64, msys2) | Compilation error | 0 ms | 0 KB |
| 373296112 | May/02/2026 09:26 | Gryllshsy | C - Order-Preserving Codes | C++20 (GCC 13-64) | Accepted | 186 ms | 48000 KB |
| 373226213 | May/01/2026 15:20 | bardeen | C - Order-Preserving Codes | C++20 (GCC 13-64) | Wrong answer on test 13 | 62 ms | 100 KB |
| 373225869 | May/01/2026 15:16 | bardeen | C - Order-Preserving Codes | C++20 (GCC 13-64) | Wrong answer on test 1 | 30 ms | 100 KB |
| 373224634 | May/01/2026 15:02 | guruiguhaihua | C - Order-Preserving Codes | C++23 (GCC 14-64, msys2) | Wrong answer on test 5 | 62 ms | 48700 KB |
| 373224559 | May/01/2026 15:02 | guruiguhaihua | C - Order-Preserving Codes | C++23 (GCC 14-64, msys2) | Wrong answer on test 1 | 30 ms | 48600 KB |
| 373224370 | May/01/2026 14:59 | bardeen | C - Order-Preserving Codes | C++20 (GCC 13-64) | Wrong answer on test 1 | 30 ms | 100 KB |
| 373224304 | May/01/2026 14:58 | bardeen | C - Order-Preserving Codes | C++20 (GCC 13-64) | Wrong answer on test 1 | 62 ms | 100 KB |
| 373223416 | May/01/2026 14:48 | bardeen | C - Order-Preserving Codes | C++20 (GCC 13-64) | Wrong answer on test 1 | 62 ms | 100 KB |
| 373223295 | May/01/2026 14:47 | bardeen | C - Order-Preserving Codes | C++20 (GCC 13-64) | Wrong answer on test 1 | 62 ms | 100 KB |
| 373223262 | May/01/2026 14:47 | guruiguhaihua | C - Order-Preserving Codes | C++23 (GCC 14-64, msys2) | Wrong answer on test 5 | 62 ms | 48700 KB |
| 373223082 | May/01/2026 14:44 | guruiguhaihua | C - Order-Preserving Codes | C++23 (GCC 14-64, msys2) | Wrong answer on test 1 | 30 ms | 48600 KB |
| 373222990 | May/01/2026 14:43 | guruiguhaihua | C - Order-Preserving Codes | C++23 (GCC 14-64, msys2) | Wrong answer on test 1 | 30 ms | 48600 KB |
| 373222750 | May/01/2026 14:40 | bardeen | C - Order-Preserving Codes | C++20 (GCC 13-64) | Wrong answer on test 1 | 30 ms | 100 KB |
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