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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.
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Problem F - Reversing Prefixes
Contest status
| # | When | Who | Problem | Lang | Verdict | Time | Memory |
|---|---|---|---|---|---|---|---|
| 20987822 | Sep/29/2016 12:33 | SoiMae | F - Reversing Prefixes | GNU C++ | Accepted | 60 ms | 1800 KB |
| 13392256 | Oct/04/2015 04:57 | vjudge1 | F - Reversing Prefixes | GNU C++ | Accepted | 186 ms | 2200 KB |
| 17926967 | May/16/2016 08:12 | RNS_JKS | F - Reversing Prefixes | GNU C++ | Accepted | 60 ms | 3300 KB |
| 15762057 | Feb/03/2016 07:30 | NCTU_Thor: leopan0922, lclan, aaaaajack# | F - Reversing Prefixes | GNU C++11 | Accepted | 30 ms | 1600 KB |
| 258380669 | Apr/27/2024 14:23 | Kazemaru | F - Reversing Prefixes | C++20 (GCC 13-64) | Accepted | 156 ms | 29400 KB |
| 6171867 | Mar/29/2014 11:59 | Angstrom: DoubleLu, czy941030, foreverbell# | F - Reversing Prefixes | GNU C++ | Accepted | 92 ms | 1700 KB |
| 10253064 | Mar/13/2015 05:09 | fkguyx042# | F - Reversing Prefixes | GNU C++ | Accepted | 92 ms | 1500 KB |
| 258380704 | Apr/27/2024 14:24 | Kazemaru | F - Reversing Prefixes | C++20 (GCC 13-64) | Accepted | 186 ms | 29400 KB |
| 10253145 | Mar/13/2015 05:30 | We Are the Fans of Master Tao !!!: OB.Zhou, gtwgtw, __Dante# | F - Reversing Prefixes | GNU C++ | Accepted | 92 ms | 3100 KB |
| 341676383 | Oct/03/2025 18:00 | vjudge1 | F - Reversing Prefixes | C++23 (GCC 14-64, msys2) | Accepted | 216 ms | 600 KB |
| 59121342 | Aug/20/2019 08:41 | Diorvh | F - Reversing Prefixes | C++17 (GCC 7-32) | Accepted | 122 ms | 2300 KB |
| 12892731 | Sep/08/2015 09:01 | Harvest: L_Ecry, Y_UME, NUOUN# | F - Reversing Prefixes | GNU C++ | Accepted | 122 ms | 1700 KB |
| 6960485 | Jun/26/2014 04:51 | Shaoxing NO.1 High School: Stilwell, yjc9696, wjh720# | F - Reversing Prefixes | GNU C++ | Accepted | 62 ms | 3100 KB |
| 258386128 | Apr/27/2024 15:14 | cxm1024 | F - Reversing Prefixes | C++20 (GCC 13-64) | Accepted | 124 ms | 500 KB |
| 258385540 | Apr/27/2024 15:08 | vjudge5 | F - Reversing Prefixes | C++17 (GCC 7-32) | Accepted | 248 ms | 53300 KB |
| 10938831 | Apr/30/2015 16:33 | Warsaw Eagles 2015: mareksom, johnasselta, Errichto# | F - Reversing Prefixes | GNU C++11 | Accepted | 62 ms | 4200 KB |
| 274582112 | Aug/05/2024 20:58 | crowdforces | F - Reversing Prefixes | C++20 (GCC 13-64) | Accepted | 248 ms | 0 KB |
| 258382552 | Apr/27/2024 14:41 | vjudge.8 | F - Reversing Prefixes | C++20 (GCC 13-64) | Accepted | 216 ms | 2000 KB |
| 341671561 | Oct/03/2025 17:53 | STUDENT0 | F - Reversing Prefixes | C++23 (GCC 14-64, msys2) | Accepted | 248 ms | 600 KB |
| 391221195 | Sep/19/2026 14:17 | ChuanxNi | F - Reversing Prefixes | C++17 (GCC 7-32) | Accepted | 250 ms | 0 KB |
| 13392520 | Oct/04/2015 05:33 | vjudge3 | F - Reversing Prefixes | GNU C++ | Accepted | 122 ms | 1700 KB |
| 13392534 | Oct/04/2015 05:34 | vjudge2 | F - Reversing Prefixes | GNU C++ | Accepted | 124 ms | 1700 KB |
| 391230098 | Sep/19/2026 15:50 | GYqun1 | F - Reversing Prefixes | C++17 (GCC 7-32) | Accepted | 124 ms | 0 KB |
| 59121349 | Aug/20/2019 08:42 | vjudge4 | F - Reversing Prefixes | GNU C++11 | Accepted | 124 ms | 2300 KB |
| 391230207 | Sep/19/2026 15:51 | GYqun1 | F - Reversing Prefixes | C++17 (GCC 7-32) | Accepted | 124 ms | 0 KB |
| 10556578 | Apr/03/2015 06:44 | zld3794955# | F - Reversing Prefixes | GNU C++ | Accepted | 62 ms | 2100 KB |
| 391220921 | Sep/19/2026 14:13 | N1tr0us_Acid | F - Reversing Prefixes | C++17 (GCC 7-32) | Accepted | 92 ms | 0 KB |
| 42454287 | Sep/04/2018 13:21 | Helianthus: Sugar_fan, liguanglin, lyk248289469# | F - Reversing Prefixes | C++14 (GCC 6-32) | Accepted | 124 ms | 2900 KB |
| 391220158 | Sep/19/2026 14:05 | ukbwyx | F - Reversing Prefixes | C++20 (GCC 13-64) | Accepted | 92 ms | 0 KB |
| 274576701 | Aug/05/2024 20:21 | crowdforces | F - Reversing Prefixes | C++20 (GCC 13-64) | Accepted | 248 ms | 0 KB |
| 18170424 | May/31/2016 17:57 | Odin- | F - Reversing Prefixes | GNU C++11 | Accepted | 374 ms | 5600 KB |
| 13392574 | Oct/04/2015 05:41 | vjudge5 | F - Reversing Prefixes | GNU C++ | Accepted | 122 ms | 1200 KB |
| 258559762 | Apr/28/2024 15:12 | frznhc | F - Reversing Prefixes | C++14 (GCC 6-32) | Accepted | 186 ms | 1000 KB |
| 10964574 | May/01/2015 16:23 | HolyTomato: J-C, PlausibleDeniability, Corei13# | F - Reversing Prefixes | GNU C++11 | Accepted | 186 ms | 3500 KB |
| 258559791 | Apr/28/2024 15:12 | vjudge.8 | F - Reversing Prefixes | C++17 (GCC 7-32) | Accepted | 248 ms | 1000 KB |
| 39015342 | Jun/07/2018 13:02 | Zhejiang U Legilimens: oipotato, Subconscious, chenjb# | F - Reversing Prefixes | C++14 (GCC 6-32) | Accepted | 92 ms | 2700 KB |
| 391220076 | Sep/19/2026 14:05 | ukbwyx | F - Reversing Prefixes | C++20 (GCC 13-64) | Accepted | 62 ms | 0 KB |
| 391220899 | Sep/19/2026 14:13 | N1tr0us_Acid | F - Reversing Prefixes | C++17 (GCC 7-32) | Accepted | 92 ms | 0 KB |
| 18945123 | Jul/07/2016 10:05 | RNS_CUS# | F - Reversing Prefixes | GNU C++ | Accepted | 60 ms | 4600 KB |
| 13392813 | Oct/04/2015 06:12 | vjudge3 | F - Reversing Prefixes | GNU C++ | Accepted | 62 ms | 1200 KB |
| 43404632 | Sep/25/2018 13:49 | Nameless_Sunstar: LIN452, Pepcy_Ch, zhhhplus# | F - Reversing Prefixes | C++17 (GCC 7-32) | Accepted | 218 ms | 5800 KB |
| 59126941 | Aug/20/2019 12:28 | vjudge4 | F - Reversing Prefixes | C++14 (GCC 6-32) | Accepted | 218 ms | 2100 KB |
| 34925070 | Feb/04/2018 18:22 | xproxmess | F - Reversing Prefixes | C++14 (GCC 6-32) | Accepted | 92 ms | 3700 KB |
| 258644301 | Apr/29/2024 09:09 | MMYYFF | F - Reversing Prefixes | C++17 (GCC 7-32) | Accepted | 154 ms | 500 KB |
| 341679663 | Oct/03/2025 18:06 | bkifhr9 | F - Reversing Prefixes | C++17 (GCC 7-32) | Accepted | 124 ms | 100 KB |
| 13392331 | Oct/04/2015 05:09 | vjudge5 | F - Reversing Prefixes | GNU C++ | Accepted | 122 ms | 3100 KB |
| 389581627 | Sep/05/2026 21:25 | HFTilted: 300iq, andreyDagger# | F - Reversing Prefixes | C++23 (GCC 14-64, msys2) | Accepted | 92 ms | 100 KB |
| 19293633 | Jul/21/2016 08:28 | oedjsrna: xxTastyHypeBeast666xx, AntiForest, JoeyWheeler# | F - Reversing Prefixes | GNU C++11 | Accepted | 30 ms | 1300 KB |
| 13083445 | Sep/18/2015 13:07 | Aurore: FJYsmall, maschuet, gantians# | F - Reversing Prefixes | GNU C++ | Accepted | 62 ms | 3700 KB |
| 6557403 | May/05/2014 17:57 | klamathix# | F - Reversing Prefixes | GNU C++0x | Accepted | 60 ms | 2400 KB |
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