→ About Contest
The Northwestern Europe Regional Contest (NWERC) is a contest in which teams from universities all over the Northwestern part of Europe are served a series of algorithmic problems. The goal of each team is to solve as many problems as possible within the 5 hour time limit. Potential solutions are submitted and corrected by an automated judging system. The team that solves the most problems at the end of the contest qualify for the ICPC World Finals.
→ 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.
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Want to solve the contest problems after the official contest ends? Just register for practice and you will be able to submit solutions.
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→ Contest materials
Problem I - Inverted Deck
Contest status
| # | When | Who | Problem | Lang | Verdict | Time | Memory |
|---|---|---|---|---|---|---|---|
| 116313694 | May/16/2021 09:28 | TEAM01: LIGHT_SUN, little_lion, Ryeblablabla# | I - Inverted Deck | C++14 (GCC 6-32) | Accepted | 249 ms | 3900 KB |
| 79816463 | May/12/2020 15:36 | PETER666 | I - Inverted Deck | C++17 (GCC 7-32) | Accepted | 249 ms | 7800 KB |
| 230018629 | Oct/27/2023 16:24 | vjudge3 | I - Inverted Deck | C++17 (GCC 7-32) | Accepted | 1887 ms | 3900 KB |
| 82344448 | Jun/02/2020 23:29 | Nanored | I - Inverted Deck | C++17 (GCC 7-32) | Accepted | 280 ms | 3900 KB |
| 79806303 | May/12/2020 13:20 | vjudge1 | I - Inverted Deck | GNU C++11 | Accepted | 265 ms | 27500 KB |
| 128001812 | Sep/06/2021 03:23 | Xwh_acall | I - Inverted Deck | C++17 (GCC 9-64) | Accepted | 1762 ms | 12000 KB |
| 134450917 | Nov/06/2021 06:43 | 明日夜空哨戒班 | Asu No Yozora Shoukaihan: leaderone, partychicken, GNAQ# | I - Inverted Deck | C++17 (GCC 7-32) | Accepted | 295 ms | 9100 KB |
| 211788133 | Jul/02/2023 07:56 | okaybut | I - Inverted Deck | C++20 (GCC 11-64) | Accepted | 124 ms | 3900 KB |
| 212701593 | Jul/07/2023 20:06 | Rania | I - Inverted Deck | C++20 (GCC 11-64) | Accepted | 124 ms | 3900 KB |
| 82754197 | Jun/07/2020 09:17 | tour: hnust_zhouyuxin1, hnust_lifanlong, hnust_xiaojiachao# | I - Inverted Deck | C++14 (GCC 6-32) | Accepted | 327 ms | 11800 KB |
| 101791808 | Dec/19/2020 20:20 | vjudge2 | I - Inverted Deck | C++17 (GCC 7-32) | Accepted | 295 ms | 7800 KB |
| 71828672 | Feb/25/2020 04:00 | shb123# | I - Inverted Deck | C++14 (GCC 6-32) | Accepted | 249 ms | 3900 KB |
| 124464320 | Aug/01/2021 03:53 | vjudge1 | I - Inverted Deck | GNU C++11 | Accepted | 186 ms | 15400 KB |
| 193724751 | Feb/15/2023 17:22 | UPC 2: danivilardell, 80mb3rman, Juanbri02# | I - Inverted Deck | C++17 (GCC 9-64) | Accepted | 171 ms | 3900 KB |
| 107528828 | Feb/16/2021 15:20 | HS: HosseinYousefi, aniervs, MaksymOboznyi# | I - Inverted Deck | C++17 (GCC 7-32) | Accepted | 296 ms | 3900 KB |
| 124464184 | Aug/01/2021 03:47 | vjudge1 | I - Inverted Deck | GNU C++11 | Accepted | 218 ms | 19500 KB |
| 96380303 | Oct/22/2020 18:50 | Tula SU 5: LAN: AlinaMint, NatZu, bugagashechka78# | I - Inverted Deck | MS C++ 2017 | Accepted | 811 ms | 3900 KB |
| 169040725 | Aug/20/2022 08:53 | vjudge3 | I - Inverted Deck | C++20 (GCC 11-64) | Accepted | 1716 ms | 3900 KB |
| 308064913 | Feb/27/2025 14:32 | nawalturki | I - Inverted Deck | C++20 (GCC 13-64) | Accepted | 249 ms | 12000 KB |
| 93018054 | Sep/17/2020 07:37 | voidcs | I - Inverted Deck | C++17 (GCC 7-32) | Accepted | 327 ms | 7800 KB |
| 115932468 | May/11/2021 13:23 | Faerie: lingxsate, lzq233, dlbin7# | I - Inverted Deck | C++17 (GCC 7-32) | Accepted | 249 ms | 7600 KB |
| 222045520 | Sep/06/2023 13:21 | Genshin Impacts Fault: FavorGew, daniel14311531, w4p3r# | I - Inverted Deck | C++20 (GCC 11-64) | Accepted | 186 ms | 7800 KB |
| 255149202 | Apr/05/2024 23:00 | UMG: ThirteenFrames, aggrovector# | I - Inverted Deck | C++17 (GCC 7-32) | Accepted | 1405 ms | 7900 KB |
| 109019201 | Mar/03/2021 18:21 | Start from NOT a template: ZB_1, kclee2172, yuusanlondon# | I - Inverted Deck | PyPy 3 | Accepted | 374 ms | 90000 KB |
| 206299626 | May/18/2023 08:28 | 8BQube: icube, baluteshih# | I - Inverted Deck | C++20 (GCC 11-64) | Accepted | 140 ms | 7800 KB |
| 89987217 | Aug/15/2020 08:13 | vjudge4 | I - Inverted Deck | C++17 (GCC 7-32) | Accepted | 218 ms | 7800 KB |
| 124465797 | Aug/01/2021 04:44 | vjudge4 | I - Inverted Deck | C++17 (GCC 9-64) | Accepted | 327 ms | 12100 KB |
| 101785613 | Dec/19/2020 19:07 | vjudge5 | I - Inverted Deck | C++17 (GCC 7-32) | Accepted | 1715 ms | 7800 KB |
| 218432700 | Aug/12/2023 08:33 | vjudge3 | I - Inverted Deck | C++17 (GCC 7-32) | Accepted | 1684 ms | 7800 KB |
| 89317102 | Aug/08/2020 11:00 | Ahmed shaf Waleed 2al Mostafa: Sisy, Bekh, Wolf.# | I - Inverted Deck | C++14 (GCC 6-32) | Accepted | 326 ms | 11500 KB |
| 89986516 | Aug/15/2020 07:55 | vjudge4 | I - Inverted Deck | C++17 (GCC 7-32) | Accepted | 280 ms | 7800 KB |
| 88417218 | Jul/30/2020 11:19 | Secretly Nutella: raresdanut, PopescuMihai, flaviu2001# | I - Inverted Deck | C++17 (GCC 7-32) | Accepted | 327 ms | 11500 KB |
| 79806394 | May/12/2020 13:21 | hanyaqi010924 | I - Inverted Deck | GNU C++11 | Accepted | 280 ms | 27500 KB |
| 82380721 | Jun/03/2020 12:21 | vjudge5 | I - Inverted Deck | C++17 (GCC 7-32) | Accepted | 280 ms | 7800 KB |
| 94882907 | Oct/08/2020 08:02 | vjudge1 | I - Inverted Deck | C++17 (GCC 7-32) | Accepted | 264 ms | 3900 KB |
| 74604487 | Mar/28/2020 07:47 | QWE_QWE: Rubikun, kort0n, risujiroh# | I - Inverted Deck | C++17 (GCC 7-32) | Accepted | 280 ms | 7800 KB |
| 211000460 | Jun/25/2023 10:45 | abc: Hung912, hiepp2k3# | I - Inverted Deck | C++14 (GCC 6-32) | Accepted | 265 ms | 7800 KB |
| 89985883 | Aug/15/2020 07:39 | vjudge3 | I - Inverted Deck | C++17 (GCC 7-32) | Accepted | 311 ms | 7800 KB |
| 94819606 | Oct/06/2020 07:40 | play: Shuns, nauynehc, 0xDkXy# | I - Inverted Deck | C++17 (GCC 7-32) | Accepted | 296 ms | 7800 KB |
| 115680428 | May/08/2021 11:55 | 1247TTXX | I - Inverted Deck | C++14 (GCC 6-32) | Accepted | 1731 ms | 7600 KB |
| 196872165 | Mar/11/2023 04:01 | 2023 UCSD Team One: bitset, stasio6, ZhouShang2003# | I - Inverted Deck | C++20 (GCC 11-64) | Accepted | 139 ms | 7800 KB |
| 77038014 | Apr/17/2020 08:42 | BNU_WuLaWu: ooOAM, erogame, Jian_Ron# | I - Inverted Deck | C++17 (GCC 7-32) | Accepted | 280 ms | 7900 KB |
| 308072384 | Feb/27/2025 15:27 | ayat.alkhalifah | I - Inverted Deck | C++23 (GCC 14-64, msys2) | Accepted | 1640 ms | 11900 KB |
| 92360685 | Sep/09/2020 17:27 | dh2810 | I - Inverted Deck | GNU C++11 | Accepted | 467 ms | 3900 KB |
| 74721569 | Mar/29/2020 13:59 | vjudge4 | I - Inverted Deck | GNU C++11 | Accepted | 561 ms | 15700 KB |
| 221486120 | Sep/01/2023 21:24 | vjudge2 | I - Inverted Deck | C++17 (GCC 7-32) | Accepted | 264 ms | 3900 KB |
| 77034118 | Apr/17/2020 07:32 | 998batrr# | I - Inverted Deck | C++17 (GCC 7-32) | Accepted | 280 ms | 15700 KB |
| 126568885 | Aug/20/2021 22:31 | Tanzin_Ahammad | I - Inverted Deck | C++17 (GCC 7-32) | Accepted | 1715 ms | 17700 KB |
| 135612288 | Nov/15/2021 11:44 | Code of duty: _kernel_, Ali_ZaiBug# | I - Inverted Deck | C++17 (GCC 7-32) | Accepted | 265 ms | 3900 KB |
| 182581458 | Nov/26/2022 04:55 | Orzity: nor, Everule, Adam_GS# | I - Inverted Deck | C++20 (GCC 11-64) | Accepted | 124 ms | 3900 KB |
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