→ 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.
→ 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
Problem I - Inverted Deck
Contest status
| # | When | Who | Problem | Lang | Verdict | Time | Memory |
|---|---|---|---|---|---|---|---|
| 124464252 | Aug/01/2021 03:50 | vjudge4 | I - Inverted Deck | GNU C++11 | Accepted | 186 ms | 7700 KB |
| 81055263 | May/24/2020 04:59 | vjudge5 | I - Inverted Deck | GNU C++11 | Accepted | 1981 ms | 4200 KB |
| 124496461 | Aug/01/2021 13:11 | CQYZWJH | I - Inverted Deck | GNU C++11 | Accepted | 217 ms | 11600 KB |
| 81173663 | May/24/2020 15:08 | revuestarlight | I - Inverted Deck | C++14 (GCC 6-32) | Accepted | 1669 ms | 4200 KB |
| 74691615 | Mar/29/2020 07:29 | zjut01: KidsXH, SleepZzz, zzffxx# | I - Inverted Deck | GNU C++11 | Accepted | 233 ms | 7800 KB |
| 95605007 | Oct/15/2020 19:28 | Room 16: Osama_Alkhodairy, zoooma13# | I - Inverted Deck | C++14 (GCC 6-32) | Accepted | 296 ms | 7800 KB |
| 96970452 | Oct/28/2020 10:56 | vjudge4 | I - Inverted Deck | GNU C++11 | Accepted | 202 ms | 7800 KB |
| 95466578 | Oct/14/2020 03:36 | Tvn9DoTh | I - Inverted Deck | GNU C++11 | Accepted | 499 ms | 7800 KB |
| 203555902 | Apr/26/2023 16:07 | vjudge5 | I - Inverted Deck | C++17 (GCC 7-32) | Accepted | 1793 ms | 7800 KB |
| 244244552 | Jan/31/2024 13:49 | AllSolvedin1557: kwoncycle, leo020630, petamingks# | I - Inverted Deck | PyPy 3-64 | Accepted | 389 ms | 137300 KB |
| 291837295 | Nov/16/2024 20:44 | Karuk | I - Inverted Deck | C++20 (GCC 13-64) | Accepted | 249 ms | 4200 KB |
| 97892022 | Nov/08/2020 07:56 | PPX_pipixia | I - Inverted Deck | GNU C++11 | Accepted | 1996 ms | 7800 KB |
| 217405320 | Aug/06/2023 07:59 | vjudge5 | I - Inverted Deck | C++17 (GCC 7-32) | Accepted | 1684 ms | 7800 KB |
| 345307442 | Oct/23/2025 11:33 | testament: alg0rel, tibinyte2006, cristi_tanase# | I - Inverted Deck | C++17 (GCC 7-32) | Accepted | 1452 ms | 7800 KB |
| 90268568 | Aug/18/2020 03:51 | _gXX | I - Inverted Deck | C++17 (GCC 7-32) | Accepted | 264 ms | 3900 KB |
| 118537262 | Jun/05/2021 22:27 | No me digas como se llama, no quiero saber: AngrySeal, JOliva, Marinkovic# | I - Inverted Deck | C++17 (GCC 7-32) | Accepted | 327 ms | 7800 KB |
| 116167017 | May/14/2021 12:39 | nanjolno# | I - Inverted Deck | C++17 (GCC 9-64) | Accepted | 686 ms | 8200 KB |
| 99231257 | Nov/22/2020 10:58 | vjudge3 | I - Inverted Deck | C++17 (GCC 7-32) | Accepted | 1715 ms | 7800 KB |
| 125768659 | Aug/13/2021 17:18 | Heltion: Sugar_fan# | I - Inverted Deck | C++17 (GCC 9-64) | Accepted | 217 ms | 12000 KB |
| 90795229 | Aug/24/2020 07:43 | vjudge1 | I - Inverted Deck | C++17 (GCC 7-32) | Accepted | 249 ms | 7600 KB |
| 70598661 | Feb/09/2020 05:53 | sse+ep: goodthingstaketime_._, tanphatls987, MofK# | I - Inverted Deck | C++17 (GCC 7-32) | Accepted | 311 ms | 7800 KB |
| 90189531 | Aug/17/2020 06:39 | _gXX | I - Inverted Deck | C++17 (GCC 7-32) | Accepted | 295 ms | 7800 KB |
| 338217971 | Sep/12/2025 16:51 | yixiuge777 | I - Inverted Deck | C++23 (GCC 14-64, msys2) | Accepted | 218 ms | 4200 KB |
| 114788865 | May/01/2021 18:51 | vjudge4 | I - Inverted Deck | C++17 (GCC 9-64) | Accepted | 1762 ms | 7800 KB |
| 93523213 | Sep/23/2020 04:25 | Giver# | I - Inverted Deck | C++17 (GCC 7-32) | Accepted | 265 ms | 3900 KB |
| 127883851 | Sep/05/2021 07:26 | foammm | I - Inverted Deck | C++14 (GCC 6-32) | Accepted | 264 ms | 7600 KB |
| 97210354 | Oct/31/2020 05:01 | Catalan: ladpro98, 6aren, Quang# | I - Inverted Deck | C++17 (GCC 7-32) | Accepted | 296 ms | 3900 KB |
| 124464828 | Aug/01/2021 04:10 | vjudge2 | I - Inverted Deck | GNU C++11 | Accepted | 187 ms | 7700 KB |
| 88643157 | Aug/01/2020 10:36 | wanna be tau: oToToT, pr3pony# | I - Inverted Deck | C++17 (GCC 7-32) | Accepted | 296 ms | 11500 KB |
| 124498477 | Aug/01/2021 13:35 | vjudge5 | I - Inverted Deck | GNU C++11 | Accepted | 171 ms | 15600 KB |
| 90652670 | Aug/22/2020 07:33 | vjudge4 | I - Inverted Deck | GNU C++11 | Accepted | 217 ms | 11600 KB |
| 173284220 | Sep/24/2022 10:09 | Untitled.team: micavro, pythoner713, konglingru# | I - Inverted Deck | C++14 (GCC 6-32) | Accepted | 265 ms | 3900 KB |
| 294155711 | Dec/01/2024 10:30 | kitties: treap_enjoyer, Romiros, GrgA.exe# | I - Inverted Deck | C++23 (GCC 14-64, msys2) | Accepted | 1655 ms | 4300 KB |
| 73935333 | Mar/22/2020 09:13 | FST stay night: F0_0H, sdcgvhgj, RUSH_D_CAT# | I - Inverted Deck | C++17 (GCC 7-32) | Accepted | 280 ms | 15700 KB |
| 124464614 | Aug/01/2021 04:03 | vjudge3 | I - Inverted Deck | GNU C++11 | Accepted | 171 ms | 11600 KB |
| 126569165 | Aug/20/2021 22:38 | Tanzin_Ahammad | I - Inverted Deck | C++17 (GCC 7-32) | Accepted | 1699 ms | 11500 KB |
| 70936273 | Feb/13/2020 09:50 | danya090699# | I - Inverted Deck | GNU C++11 | Accepted | 187 ms | 3900 KB |
| 73134603 | Mar/13/2020 14:03 | Anadi# | I - Inverted Deck | C++14 (GCC 6-32) | Accepted | 295 ms | 7800 KB |
| 91435392 | Aug/30/2020 22:36 | davetjuoli | I - Inverted Deck | GNU C++11 | Accepted | 2028 ms | 11700 KB |
| 143381432 | Jan/20/2022 08:17 | War Wolf: 2sozx, JJLeo, Bazoka13# | I - Inverted Deck | C++20 (GCC 11-64) | Accepted | 811 ms | 3900 KB |
| 79470420 | May/09/2020 16:58 | ws_zzyer | I - Inverted Deck | GNU C++11 | Accepted | 217 ms | 11600 KB |
| 88189693 | Jul/28/2020 12:22 | vjudge2 | I - Inverted Deck | C++17 (GCC 7-32) | Accepted | 265 ms | 7500 KB |
| 120705884 | Jun/27/2021 07:20 | vjudge1 | I - Inverted Deck | GNU C++11 | Accepted | 218 ms | 7600 KB |
| 88175596 | Jul/28/2020 09:08 | vjudge4 | I - Inverted Deck | C++14 (GCC 6-32) | Accepted | 1700 ms | 11500 KB |
| 94734484 | Oct/05/2020 07:19 | vjudge4 | I - Inverted Deck | C++14 (GCC 6-32) | Accepted | 249 ms | 4200 KB |
| 71106808 | Feb/15/2020 11:26 | vjudge3 | I - Inverted Deck | C++14 (GCC 6-32) | Accepted | 1903 ms | 74600 KB |
| 81639566 | May/27/2020 19:33 | woriazzc# | I - Inverted Deck | GNU C++11 | Accepted | 187 ms | 3900 KB |
| 124465120 | Aug/01/2021 04:20 | vjudge2 | I - Inverted Deck | GNU C++11 | Accepted | 171 ms | 15600 KB |
| 79393245 | May/08/2020 18:37 | Auenwald | I - Inverted Deck | GNU C++11 | Accepted | 2027 ms | 7700 KB |
| 308063359 | Feb/27/2025 14:20 | vjudge.7 | I - Inverted Deck | C++23 (GCC 14-64, msys2) | Accepted | 1609 ms | 12100 KB |
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