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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 |
|---|---|---|---|---|---|---|---|
| 374385040 | May/13/2026 14:41 | yuanyiguo | J - 2-3 Trees | C++23 (GCC 14-64, msys2) | Accepted | 312 ms | 49100 KB |
| 374384804 | May/13/2026 14:39 | yuanyiguo | J - 2-3 Trees | C++23 (GCC 14-64, msys2) | Memory limit exceeded on test 1 | 30 ms | 65500 KB |
| 374384768 | May/13/2026 14:39 | yuanyiguo | J - 2-3 Trees | C++23 (GCC 14-64, msys2) | Memory limit exceeded on test 1 | 30 ms | 65500 KB |
| 374384465 | May/13/2026 14:36 | yuanyiguo | J - 2-3 Trees | C++23 (GCC 14-64, msys2) | Memory limit exceeded on test 1 | 0 ms | 65500 KB |
| 374384317 | May/13/2026 14:35 | yuanyiguo | J - 2-3 Trees | C++23 (GCC 14-64, msys2) | Memory limit exceeded on test 1 | 0 ms | 65500 KB |
| 374384185 | May/13/2026 14:34 | yuanyiguo | J - 2-3 Trees | C++23 (GCC 14-64, msys2) | Memory limit exceeded on test 1 | 30 ms | 65500 KB |
| 373553355 | May/05/2026 04:26 | Modulus998244353 | J - 2-3 Trees | C++23 (GCC 14-64, msys2) | Accepted | 124 ms | 49200 KB |
| 373553007 | May/05/2026 04:14 | Modulus998244353 | J - 2-3 Trees | C++23 (GCC 14-64, msys2) | Memory limit exceeded on test 1 | 62 ms | 65500 KB |
| 373552966 | May/05/2026 04:12 | Modulus998244353 | J - 2-3 Trees | C++23 (GCC 14-64, msys2) | Memory limit exceeded on test 1 | 30 ms | 65500 KB |
| 373462469 | May/04/2026 04:31 | lilidavid | A - Graph Game | Python 3 | Compilation error | 0 ms | 0 KB |
| 372574464 | Apr/26/2026 09:14 | sto_HXY_orz | J - 2-3 Trees | C++20 (GCC 13-64) | Accepted | 1000 ms | 50000 KB |
| 372681762 | Apr/27/2026 10:52 | Chen_ri_kang | J - 2-3 Trees | C++17 (GCC 7-32) | Accepted | 1000 ms | 1600 KB |
| 372574354 | Apr/26/2026 09:13 | sto_HXY_orz | J - 2-3 Trees | C++20 (GCC 13-64) | Accepted | 1000 ms | 50000 KB |
| 372698838 | Apr/27/2026 14:36 | daisybunny | J - 2-3 Trees | C++20 (GCC 13-64) | Accepted | 436 ms | 300 KB |
| 372695308 | Apr/27/2026 13:56 | daisybunny | J - 2-3 Trees | C++20 (GCC 13-64) | Accepted | 562 ms | 1300 KB |
| 372695266 | Apr/27/2026 13:56 | daisybunny | J - 2-3 Trees | C++20 (GCC 13-64) | Accepted | 468 ms | 1300 KB |
| 372682062 | Apr/27/2026 10:56 | Chen_ri_kang | J - 2-3 Trees | C++17 (GCC 7-32) | Accepted | 968 ms | 1600 KB |
| 372681521 | Apr/27/2026 10:48 | Chen_ri_kang | J - 2-3 Trees | C++17 (GCC 7-32) | Time limit exceeded on test 41 | 1000 ms | 1600 KB |
| 372679566 | Apr/27/2026 10:18 | Chen_ri_kang | J - 2-3 Trees | C++20 (GCC 13-64) | Time limit exceeded on test 40 | 1000 ms | 1600 KB |
| 372679317 | Apr/27/2026 10:14 | Chen_ri_kang | J - 2-3 Trees | C++17 (GCC 7-32) | Time limit exceeded on test 40 | 1000 ms | 1600 KB |
| 372679225 | Apr/27/2026 10:13 | Chen_ri_kang | J - 2-3 Trees | C++17 (GCC 7-32) | Time limit exceeded on test 39 | 1000 ms | 1600 KB |
| 372678976 | Apr/27/2026 10:09 | Chen_ri_kang | J - 2-3 Trees | C++17 (GCC 7-32) | Time limit exceeded on test 39 | 1000 ms | 1600 KB |
| 372678581 | Apr/27/2026 10:03 | Chen_ri_kang | J - 2-3 Trees | C++17 (GCC 7-32) | Time limit exceeded on test 39 | 1000 ms | 1600 KB |
| 372611566 | Apr/26/2026 15:43 | daisybunny | J - 2-3 Trees | C++20 (GCC 13-64) | Time limit exceeded on test 40 | 1000 ms | 1300 KB |
| 372611201 | Apr/26/2026 15:40 | daisybunny | J - 2-3 Trees | C++20 (GCC 13-64) | Time limit exceeded on test 40 | 1000 ms | 1300 KB |
| 372606851 | Apr/26/2026 14:52 | daisybunny | J - 2-3 Trees | C++20 (GCC 13-64) | Time limit exceeded on test 40 | 1000 ms | 1300 KB |
| 372594958 | Apr/26/2026 12:38 | daisybunny | J - 2-3 Trees | C++20 (GCC 13-64) | Time limit exceeded on test 38 | 1000 ms | 1200 KB |
| 372574778 | Apr/26/2026 09:18 | lucky_clover_ | J - 2-3 Trees | C++20 (GCC 13-64) | Accepted | 156 ms | 200 KB |
| 372574593 | Apr/26/2026 09:16 | lucky_clover_ | J - 2-3 Trees | C++20 (GCC 13-64) | Memory limit exceeded on test 1 | 30 ms | 65500 KB |
| 372574252 | Apr/26/2026 09:11 | sto_HXY_orz | J - 2-3 Trees | C++20 (GCC 13-64) | Memory limit exceeded on test 1 | 62 ms | 65500 KB |
| 371200552 | Apr/15/2026 07:09 | chenwz | G - Musical | C++20 (GCC 13-64) | Accepted | 92 ms | 0 KB |
| 371200055 | Apr/15/2026 07:01 | chenwz | G - Musical | C++20 (GCC 13-64) | Wrong answer on test 10 | 92 ms | 100 KB |
| 371157924 | Apr/14/2026 19:20 | chenwz | H - Polygon | C++20 (GCC 13-64) | Accepted | 218 ms | 1300 KB |
| 371150085 | Apr/14/2026 18:19 | chenwz | H - Polygon | C++20 (GCC 13-64) | Accepted | 250 ms | 1300 KB |
| 371149947 | Apr/14/2026 18:18 | chenwz | C - Map Generator | C++20 (GCC 13-64) | Accepted | 436 ms | 14400 KB |
| 371148510 | Apr/14/2026 18:08 | chenwz | C - Map Generator | C++20 (GCC 13-64) | Runtime error on test 1 | 30 ms | 0 KB |
| 371113016 | Apr/14/2026 13:32 | chenwz | B - Lempel-Ziv Compression | C++20 (GCC 13-64) | Accepted | 218 ms | 0 KB |
| 371109167 | Apr/14/2026 12:58 | chenwz | B - Lempel-Ziv Compression | C++20 (GCC 13-64) | Accepted | 186 ms | 100 KB |
| 370834294 | Apr/12/2026 17:20 | chenwz | B - Lempel-Ziv Compression | C++20 (GCC 13-64) | Accepted | 218 ms | 100 KB |
| 370832354 | Apr/12/2026 17:03 | chenwz | B - Lempel-Ziv Compression | C++20 (GCC 13-64) | Wrong answer on test 13 | 186 ms | 100 KB |
| 370832004 | Apr/12/2026 17:00 | chenwz | J - 2-3 Trees | C++20 (GCC 13-64) | Accepted | 156 ms | 23100 KB |
| 370830940 | Apr/12/2026 16:51 | chenwz | J - 2-3 Trees | C++20 (GCC 13-64) | Memory limit exceeded on test 41 | 312 ms | 65500 KB |
| 370830707 | Apr/12/2026 16:49 | chenwz | J - 2-3 Trees | C++20 (GCC 13-64) | Memory limit exceeded on test 39 | 342 ms | 65500 KB |
| 370830448 | Apr/12/2026 16:47 | chenwz | J - 2-3 Trees | C++20 (GCC 13-64) | Memory limit exceeded on test 1 | 62 ms | 65500 KB |
| 370830387 | Apr/12/2026 16:47 | chenwz | J - 2-3 Trees | C++20 (GCC 13-64) | Compilation error | 0 ms | 0 KB |
| 370830145 | Apr/12/2026 16:44 | chenwz | J - 2-3 Trees | C++20 (GCC 13-64) | Memory limit exceeded on test 1 | 92 ms | 65500 KB |
| 370828800 | Apr/12/2026 16:32 | chenwz | G - Musical | C++20 (GCC 13-64) | Accepted | 92 ms | 500 KB |
| 370826394 | Apr/12/2026 16:12 | chenwz | G - Musical | C++20 (GCC 13-64) | Wrong answer on test 1 | 92 ms | 0 KB |
| 370824396 | Apr/12/2026 15:55 | chenwz | E - Median | C++20 (GCC 13-64) | Accepted | 92 ms | 100 KB |
| 370824310 | Apr/12/2026 15:54 | chenwz | H - Polygon | C++20 (GCC 13-64) | Accepted | 186 ms | 2600 KB |
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