→ Languages
The following languages are only available languages for the problems from the contest
Western European Olympiad in Informatics 2024 Mirror:
- GNU G++17 7.3.0
- GNU G++20 13.2 (64 bit, winlibs)
- GNU G++23 14.2 (64 bit, msys2)
→ About Contest
The Western European Olympiad in Informatics is an individual contest for top secondary school students from Belgium, France, Ireland, Italy, Luxembourg, Netherlands, Portugal, Spain, Switzerland and United Kingdom.
→ 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 status
| # | When | Who | Problem | Lang | Verdict |
|---|---|---|---|---|---|
| 389541061 | Sep/05/2026 18:56 | Segcolt | B - Mazes | C++20 (GCC 13-64) | Perfect result: 100 points |
| 389408133 | Sep/05/2026 02:48 | Segcolt | C - Parcel Post | C++20 (GCC 13-64) | Perfect result: 100 points |
| 389407480 | Sep/05/2026 02:22 | Segcolt | C - Parcel Post | C++20 (GCC 13-64) | Partial result: 44 points |
| 389407403 | Sep/05/2026 02:19 | Segcolt | C - Parcel Post | C++20 (GCC 13-64) | Partial result: 44 points |
| 389306668 | Sep/03/2026 22:54 | Segcolt | D - Double Agents | C++20 (GCC 13-64) | Perfect result: 100 points |
| 389303780 | Sep/03/2026 22:10 | Segcolt | D - Double Agents | C++20 (GCC 13-64) | Partial result: 15 points |
| 389214711 | Sep/02/2026 20:50 | Segcolt | D - Double Agents | C++20 (GCC 13-64) | Partial result: 15 points |
| 389142579 | Sep/02/2026 00:57 | ccaduy | D - Double Agents | C++23 (GCC 14-64, msys2) | Perfect result: 100 points |
| 389142540 | Sep/02/2026 00:56 | ccaduy | D - Double Agents | C++23 (GCC 14-64, msys2) | Compilation error |
| 389137940 | Sep/01/2026 23:06 | kaique8au# | B - Mazes | C++23 (GCC 14-64, msys2) | Partial result: 0 points |
| 389136343 | Sep/01/2026 22:38 | kaique8au# | B - Mazes | C++23 (GCC 14-64, msys2) | Partial result: 0 points |
| 389135732 | Sep/01/2026 22:29 | kaique8au# | B - Mazes | C++23 (GCC 14-64, msys2) | Compilation error |
| 389135600 | Sep/01/2026 22:27 | kaique8au# | B - Mazes | C++23 (GCC 14-64, msys2) | Compilation error |
| 389135468 | Sep/01/2026 22:25 | kaique8au# | B - Mazes | C++23 (GCC 14-64, msys2) | Compilation error |
| 389135262 | Sep/01/2026 22:22 | kaique8au# | B - Mazes | C++23 (GCC 14-64, msys2) | Compilation error |
| 389135164 | Sep/01/2026 22:21 | kaique8au# | B - Mazes | C++23 (GCC 14-64, msys2) | Compilation error |
| 388483343 | Aug/26/2026 18:32 | ThomasDB | A - Make All Equal | C++20 (GCC 13-64) | Perfect result: 100 points |
| 388483232 | Aug/26/2026 18:31 | ThomasDB | A - Make All Equal | C++20 (GCC 13-64) | Partial result: 0 points |
| 388483145 | Aug/26/2026 18:30 | ThomasDB | A - Make All Equal | C++20 (GCC 13-64) | Partial result: 0 points |
| 388483065 | Aug/26/2026 18:29 | ThomasDB | A - Make All Equal | C++20 (GCC 13-64) | Compilation error |
| 388482954 | Aug/26/2026 18:28 | ThomasDB | A - Make All Equal | C++20 (GCC 13-64) | Compilation error |
| 388482869 | Aug/26/2026 18:27 | ThomasDB | A - Make All Equal | C++20 (GCC 13-64) | Compilation error |
| 388479433 | Aug/26/2026 17:52 | ThomasDB | A - Make All Equal | C++20 (GCC 13-64) | Partial result: 21 points |
| 388478924 | Aug/26/2026 17:47 | ThomasDB | A - Make All Equal | C++20 (GCC 13-64) | Partial result: 0 points |
| 388478758 | Aug/26/2026 17:45 | ThomasDB | A - Make All Equal | C++20 (GCC 13-64) | Compilation error |
| 388467050 | Aug/26/2026 15:59 | ThomasDB | D - Double Agents | C++20 (GCC 13-64) | Perfect result: 100 points |
| 388435983 | Aug/26/2026 11:26 | ThomasDB | D - Double Agents | C++20 (GCC 13-64) | Partial result: 0 points |
| 388398138 | Aug/25/2026 23:09 | ThomasDB | B - Mazes | C++20 (GCC 13-64) | Perfect result: 100 points |
| 388398112 | Aug/25/2026 23:09 | ThomasDB | B - Mazes | C++20 (GCC 13-64) | Partial result: 34 points |
| 388398066 | Aug/25/2026 23:08 | ThomasDB | B - Mazes | C++20 (GCC 13-64) | Compilation error |
| 388395225 | Aug/25/2026 22:26 | ThomasDB | B - Mazes | C++20 (GCC 13-64) | Partial result: 9 points |
| 388344102 | Aug/25/2026 14:09 | ThomasDB | B - Mazes | C++20 (GCC 13-64) | Partial result: 0 points |
| 388336647 | Aug/25/2026 12:45 | ThomasDB | B - Mazes | C++20 (GCC 13-64) | Partial result: 0 points |
| 388336579 | Aug/25/2026 12:44 | ThomasDB | B - Mazes | C++20 (GCC 13-64) | Compilation error |
| 388336372 | Aug/25/2026 12:41 | ThomasDB | B - Mazes | C++20 (GCC 13-64) | Compilation error |
| 387202619 | Aug/15/2026 23:29 | Malmo43 | A - Make All Equal | C++23 (GCC 14-64, msys2) | Perfect result: 100 points |
| 385060781 | Aug/01/2026 09:23 | dup3 | B - Mazes | C++23 (GCC 14-64, msys2) | Perfect result: 100 points |
| 385060654 | Aug/01/2026 09:22 | dup3 | B - Mazes | C++23 (GCC 14-64, msys2) | Perfect result: 100 points |
| 383024581 | Jul/16/2026 21:30 | dileepmallukuntla | B - Mazes | C++20 (GCC 13-64) | Perfect result: 100 points |
| 383024525 | Jul/16/2026 21:29 | dileepmallukuntla | B - Mazes | C++20 (GCC 13-64) | Compilation error |
| 383024178 | Jul/16/2026 21:27 | dileepmallukuntla | B - Mazes | C++20 (GCC 13-64) | Compilation error |
| 383024094 | Jul/16/2026 21:26 | dileepmallukuntla | B - Mazes | C++17 (GCC 7-32) | Compilation error |
| 383023819 | Jul/16/2026 21:24 | dileepmallukuntla | B - Mazes | C++17 (GCC 7-32) | Compilation error |
| 381286703 | Jul/05/2026 05:20 | gdstw | B - Mazes | C++23 (GCC 14-64, msys2) | Perfect result: 100 points |
| 381286686 | Jul/05/2026 05:19 | gdstw | B - Mazes | C++23 (GCC 14-64, msys2) | Compilation error |
| 381285888 | Jul/05/2026 04:54 | gdstw | B - Mazes | C++23 (GCC 14-64, msys2) | Perfect result: 100 points |
| 381285881 | Jul/05/2026 04:54 | gdstw | B - Mazes | C++23 (GCC 14-64, msys2) | Compilation error |
| 380205018 | Jun/26/2026 13:08 | NiekvD | A - Make All Equal | C++20 (GCC 13-64) | Partial result: 36 points |
| 380201555 | Jun/26/2026 12:29 | NiekvD | A - Make All Equal | C++20 (GCC 13-64) | Partial result: 21 points |
| 380201477 | Jun/26/2026 12:28 | NiekvD | A - Make All Equal | C++20 (GCC 13-64) | Compilation error |
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