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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.
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If you just want to solve some problem from a contest, a virtual contest is not for you - solve this problem in the archive.
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→ Contest materials
Problem A - Arranging Hat
Contest status
| # | When | Who | Problem | Lang | Verdict | Time | Memory |
|---|---|---|---|---|---|---|---|
| 22604686 | Nov/29/2016 19:26 |
 Omogen Heap KTH - Royal Institute of Technology |
A - Arranging Hat | Unknown | Accepted | 0 ms | 0 KB |
| 22604758 | Nov/29/2016 19:26 |
.*RU.* Reykjavik University |
A - Arranging Hat | Unknown | Accepted | 0 ms | 0 KB |
| 22605116 | Nov/29/2016 19:26 |
Game of Nolife University of Helsinki |
A - Arranging Hat | Unknown | Accepted | 0 ms | 0 KB |
| 22605240 | Nov/29/2016 19:26 |
mpttpm University of Cambridge |
A - Arranging Hat | Unknown | Accepted | 0 ms | 0 KB |
| 22605308 | Nov/29/2016 19:26 |
Me[∰]tallica University of Cambridge |
A - Arranging Hat | Unknown | Accepted | 0 ms | 0 KB |
| 22605373 | Nov/29/2016 19:26 |
KTH 1 KTH - Royal Institute of Technology |
A - Arranging Hat | Unknown | Accepted | 0 ms | 0 KB |
| 22605417 | Nov/29/2016 19:26 |
hankkikaa elämä :D University of Helsinki |
A - Arranging Hat | Unknown | Accepted | 0 ms | 0 KB |
| 22605615 | Nov/29/2016 19:26 |
Lambdabamserne University of Copenhagen |
A - Arranging Hat | Unknown | Accepted | 0 ms | 0 KB |
| 22605638 | Nov/29/2016 19:26 |
CPUMons Université de Mons |
A - Arranging Hat | Unknown | Accepted | 0 ms | 0 KB |
| 22605642 | Nov/29/2016 19:26 |
Catz CS Society (1) University of Oxford |
A - Arranging Hat | Unknown | Accepted | 0 ms | 0 KB |
| 22605667 | Nov/29/2016 19:26 |
hacKIT Karlsruhe Institute of Technology (KIT) |
A - Arranging Hat | Unknown | Accepted | 0 ms | 0 KB |
| 22605698 | Nov/29/2016 19:26 |
Carrots University College London |
A - Arranging Hat | Unknown | Accepted | 0 ms | 0 KB |
| 343993027 | Oct/16/2025 12:20 | Null_h | A - Arranging Hat | C++23 (GCC 14-64, msys2) | Accepted | 811 ms | 124300 KB |
| 27678447 | Jun/08/2017 23:16 | [USP] ¯)(ツ)(¯: yancouto, victorsenam, arthur.nascimento# | A - Arranging Hat | C++14 (GCC 6-32) | Accepted | 639 ms | 26800 KB |
| 134367258 | Nov/05/2021 09:21 | std::accept: pser, 055D, dtc03012# | A - Arranging Hat | C++20 (GCC 11-64) | Accepted | 171 ms | 85800 KB |
| 25629100 | Mar/18/2017 23:24 | Fenix: Shinta, forifchen, Boxer | A - Arranging Hat | C++14 (GCC 6-32) | Accepted | 919 ms | 36900 KB |
| 42300640 | Aug/31/2018 10:25 | vjudge5 | A - Arranging Hat | GNU C++11 | Accepted | 77 ms | 1700 KB |
| 22619849 | Nov/30/2016 14:00 | Tzn-40 | A - Arranging Hat | GNU C++ | Accepted | 764 ms | 67600 KB |
| 32657072 | Nov/26/2017 00:10 | Tailz# | A - Arranging Hat | C++14 (GCC 6-32) | Accepted | 577 ms | 66500 KB |
| 22655108 | Dec/02/2016 12:49 | Shaoxing No.1 High School: zhj, wjh720, Stilwell# | A - Arranging Hat | GNU C++11 | Accepted | 156 ms | 34300 KB |
| 28295102 | Jul/05/2017 08:48 | Daniar# | A - Arranging Hat | C++14 (GCC 6-32) | Accepted | 4570 ms | 32300 KB |
| 25627986 | Mar/18/2017 22:36 | Gracias Demetrio: mjhun, mrz, Vladislao | A - Arranging Hat | GNU C++11 | Accepted | 607 ms | 69000 KB |
| 32118610 | Nov/07/2017 15:15 | [ITA] CalopsITA: leaomatheus, LucasS, splucs# | A - Arranging Hat | GNU C++ | Accepted | 374 ms | 61300 KB |
| 32132548 | Nov/08/2017 03:18 | splucs | A - Arranging Hat | GNU C++ | Accepted | 374 ms | 61300 KB |
| 72765509 | Mar/09/2020 08:38 | vjudge4 | A - Arranging Hat | C++14 (GCC 6-32) | Accepted | 639 ms | 29400 KB |
| 72937243 | Mar/11/2020 10:17 | Kelin | A - Arranging Hat | C++14 (GCC 6-32) | Accepted | 93 ms | 1800 KB |
| 31125924 | Oct/07/2017 21:53 | Hec | A - Arranging Hat | C++14 (GCC 6-32) | Accepted | 670 ms | 53200 KB |
| 27775230 | Jun/14/2017 17:18 | IcyGirl# | A - Arranging Hat | GNU C++11 | Accepted | 233 ms | 111100 KB |
| 40476471 | Jul/17/2018 15:05 | _gXX | A - Arranging Hat | GNU C++ | Accepted | 732 ms | 59400 KB |
| 40476496 | Jul/17/2018 15:06 | _gXX | A - Arranging Hat | GNU C++11 | Accepted | 748 ms | 59400 KB |
| 28763643 | Jul/21/2017 23:31 | Vai TNC: tubone, nonsequitur# | A - Arranging Hat | GNU C++11 | Accepted | 639 ms | 55000 KB |
| 347096167 | Nov/02/2025 14:57 | ungureanu.bogdan2007# | A - Arranging Hat | C++17 (GCC 7-32) | Accepted | 671 ms | 52800 KB |
| 22615795 | Nov/30/2016 10:13 | vjudge4 | A - Arranging Hat | GNU C++ | Accepted | 577 ms | 54300 KB |
| 92513193 | Sep/11/2020 18:49 | WZYYN | A - Arranging Hat | C++17 (GCC 9-64) | Accepted | 140 ms | 70700 KB |
| 73041172 | Mar/12/2020 16:33 | vjudge1 | A - Arranging Hat | GNU C++11 | Accepted | 140 ms | 1700 KB |
| 31103507 | Oct/07/2017 10:18 | vjudge5 | A - Arranging Hat | GNU C++11 | Accepted | 514 ms | 79400 KB |
| 41526744 | Aug/12/2018 15:20 | vjudge5 | A - Arranging Hat | C++14 (GCC 6-32) | Accepted | 982 ms | 111900 KB |
| 53461657 | Apr/28/2019 10:36 | vjudge1 | A - Arranging Hat | GNU C++11 | Accepted | 140 ms | 65100 KB |
| 31105509 | Oct/07/2017 11:17 | vjudge2 | A - Arranging Hat | GNU C++ | Accepted | 2246 ms | 96400 KB |
| 148177055 | Mar/03/2022 11:11 | SoiMae | A - Arranging Hat | C++14 (GCC 6-32) | Accepted | 498 ms | 34100 KB |
| 23028050 | Dec/16/2016 14:44 | ☯「Team Rocket」☯: sensei11, harrypotter192, venkat82# | A - Arranging Hat | GNU C++ | Accepted | 483 ms | 69400 KB |
| 31106503 | Oct/07/2017 11:41 | vjudge5 | A - Arranging Hat | GNU C++ | Accepted | 140 ms | 41300 KB |
| 31878552 | Oct/30/2017 02:08 | suchir# | A - Arranging Hat | GNU C++11 | Accepted | 2511 ms | 118800 KB |
| 53462245 | Apr/28/2019 10:57 | vjudge4 | A - Arranging Hat | GNU C++11 | Accepted | 171 ms | 65200 KB |
| 41527474 | Aug/12/2018 15:44 | Max.D. | A - Arranging Hat | C++14 (GCC 6-32) | Accepted | 1013 ms | 111900 KB |
| 96459433 | Oct/23/2020 18:16 | Kengreville | A - Arranging Hat | C++17 (GCC 7-32) | Accepted | 499 ms | 26700 KB |
| 63898700 | Oct/31/2019 06:58 | oneman233 | A - Arranging Hat | C++17 (GCC 7-32) | Accepted | 93 ms | 1700 KB |
| 29631486 | Aug/21/2017 01:31 | gab | A - Arranging Hat | GNU C++11 | Accepted | 2776 ms | 75200 KB |
| 22597887 | Nov/29/2016 15:09 | BUPT_birdstorm | A - Arranging Hat | GNU C++11 | Accepted | 623 ms | 64500 KB |
| 31866174 | Oct/29/2017 15:19 | langsike# | A - Arranging Hat | GNU C++ | Accepted | 249 ms | 147200 KB |
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