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→ 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
Problem A - Alternating Signs
Contest status
| # | When | Who | Problem | Lang | Verdict | Time | Memory |
|---|---|---|---|---|---|---|---|
| 317130969 | Apr/25/2025 08:18 |
 Cocon13 |
A - Alternating Signs | Unknown | Accepted | 0 ms | 0 KB |
| 317130983 | Apr/25/2025 08:18 |
Murinho |
A - Alternating Signs | Unknown | Accepted | 0 ms | 0 KB |
| 317130985 | Apr/25/2025 08:18 |
Adios |
A - Alternating Signs | Unknown | Accepted | 0 ms | 0 KB |
| 317130987 | Apr/25/2025 08:18 |
SaleEnOdeUno |
A - Alternating Signs | Unknown | Accepted | 0 ms | 0 KB |
| 317130988 | Apr/25/2025 08:18 |
Gauss N Roses |
A - Alternating Signs | Unknown | Accepted | 0 ms | 0 KB |
| 317130993 | Apr/25/2025 08:18 |
Riesgo eléctrico |
A - Alternating Signs | Unknown | Accepted | 0 ms | 0 KB |
| 317130995 | Apr/25/2025 08:18 |
Dog Water |
A - Alternating Signs | Unknown | Accepted | 0 ms | 0 KB |
| 317130997 | Apr/25/2025 08:18 |
Los más capitos |
A - Alternating Signs | Unknown | Accepted | 0 ms | 0 KB |
| 317131007 | Apr/25/2025 08:18 |
ya hay noMbre! Aunque, Todavía no sé si Hay alGún límIte de Cáracteres en el nombre de un equi |
A - Alternating Signs | Unknown | Accepted | 0 ms | 0 KB |
| 317131008 | Apr/25/2025 08:18 |
sdrndtfgh |
A - Alternating Signs | Unknown | Accepted | 0 ms | 0 KB |
| 317131009 | Apr/25/2025 08:18 |
Edu175 |
A - Alternating Signs | Unknown | Accepted | 0 ms | 0 KB |
| 317131024 | Apr/25/2025 08:18 |
awadefresa |
A - Alternating Signs | Unknown | Accepted | 0 ms | 0 KB |
| 317131026 | Apr/25/2025 08:18 |
tjonac |
A - Alternating Signs | Unknown | Accepted | 0 ms | 0 KB |
| 317131029 | Apr/25/2025 08:18 |
Masterkrab |
A - Alternating Signs | Unknown | Accepted | 0 ms | 0 KB |
| 317131041 | Apr/25/2025 08:18 |
Dos tequilas y un mojito |
A - Alternating Signs | Unknown | Accepted | 0 ms | 0 KB |
| 317131043 | Apr/25/2025 08:18 |
PIROCOPTERO |
A - Alternating Signs | Unknown | Accepted | 0 ms | 0 KB |
| 317131059 | Apr/25/2025 08:18 |
Julián Masliah |
A - Alternating Signs | Unknown | Accepted | 0 ms | 0 KB |
| 317131093 | Apr/25/2025 08:18 |
SkividInges |
A - Alternating Signs | Unknown | Accepted | 0 ms | 0 KB |
| 317131099 | Apr/25/2025 08:18 |
TheCookingRegime |
A - Alternating Signs | Unknown | Accepted | 0 ms | 0 KB |
| 317131132 | Apr/25/2025 08:18 |
chicas chill de c++ |
A - Alternating Signs | Unknown | Accepted | 0 ms | 0 KB |
| 317131140 | Apr/25/2025 08:18 |
Byte Me |
A - Alternating Signs | Unknown | Accepted | 0 ms | 0 KB |
| 317131160 | Apr/25/2025 08:18 |
La Gloriosa MewingFicación |
A - Alternating Signs | Unknown | Accepted | 0 ms | 0 KB |
| 317131207 | Apr/25/2025 08:19 |
BRO++ Powered by Turing Machines |
A - Alternating Signs | Unknown | Accepted | 0 ms | 0 KB |
| 317131212 | Apr/25/2025 08:19 |
Alex foi consumido pela solução de problemas |
A - Alternating Signs | Unknown | Accepted | 0 ms | 0 KB |
| 317131216 | Apr/25/2025 08:19 |
No se nos ocurrio un nombre |
A - Alternating Signs | Unknown | Accepted | 0 ms | 0 KB |
| 317131221 | Apr/25/2025 08:19 |
Ahhh Medio Metro! |
A - Alternating Signs | Unknown | Accepted | 0 ms | 0 KB |
| 317131224 | Apr/25/2025 08:19 |
arns, eldosantos y nitter |
A - Alternating Signs | Unknown | Accepted | 0 ms | 0 KB |
| 317131253 | Apr/25/2025 08:19 |
Morsas |
A - Alternating Signs | Unknown | Accepted | 0 ms | 0 KB |
| 319625763 | May/14/2025 13:26 | 9ovem# | A - Alternating Signs | C++17 (GCC 7-32) | Accepted | 93 ms | 100 KB |
| 325950513 | Jun/25/2025 06:15 | vjudge2 | A - Alternating Signs | C++17 (GCC 7-32) | Accepted | 233 ms | 100 KB |
| 317677443 | Apr/29/2025 00:40 | -NoMercy- | A - Alternating Signs | C++17 (GCC 7-32) | Accepted | 77 ms | 100 KB |
| 318769953 | May/07/2025 22:51 | Joel_Uwu | A - Alternating Signs | C++20 (GCC 13-64) | Accepted | 62 ms | 400 KB |
| 317237495 | Apr/26/2025 02:27 | THE_FOOL_ON_THE_GREY_FOG | A - Alternating Signs | C++23 (GCC 14-64, msys2) | Accepted | 62 ms | 0 KB |
| 317237645 | Apr/26/2025 02:31 | Hisham_Walid | A - Alternating Signs | C++20 (GCC 13-64) | Accepted | 62 ms | 100 KB |
| 317237745 | Apr/26/2025 02:34 | MarcosK | A - Alternating Signs | C++23 (GCC 14-64, msys2) | Accepted | 62 ms | 100 KB |
| 318291839 | May/04/2025 09:15 | NomadOfNowhere | A - Alternating Signs | C++23 (GCC 14-64, msys2) | Accepted | 77 ms | 100 KB |
| 325945871 | Jun/25/2025 05:01 | IvanT23 | A - Alternating Signs | C++17 (GCC 7-32) | Accepted | 186 ms | 0 KB |
| 326035236 | Jun/25/2025 19:31 | less-than-red | A - Alternating Signs | C++23 (GCC 14-64, msys2) | Accepted | 77 ms | 100 KB |
| 319032829 | May/10/2025 11:25 | MiserableWisdom | A - Alternating Signs | C++17 (GCC 7-32) | Accepted | 217 ms | 100 KB |
| 318684170 | May/07/2025 06:33 | vjudge1 | A - Alternating Signs | C++20 (GCC 13-64) | Accepted | 77 ms | 6700 KB |
| 317375274 | Apr/26/2025 21:37 | sahaun | A - Alternating Signs | C++20 (GCC 13-64) | Accepted | 77 ms | 8200 KB |
| 319031148 | May/10/2025 11:11 | MiserableWisdom | A - Alternating Signs | C++17 (GCC 7-32) | Accepted | 202 ms | 100 KB |
| 317158938 | Apr/25/2025 13:31 | gr0k# | A - Alternating Signs | C++17 (GCC 7-32) | Accepted | 93 ms | 100 KB |
| 337910630 | Sep/10/2025 10:08 | GusTimeTraveler | A - Alternating Signs | C++23 (GCC 14-64, msys2) | Accepted | 62 ms | 100 KB |
| 321159821 | May/24/2025 21:57 | Los Maquinolas: Mr_chuby, Zeincho, The_Lion_King_777# | A - Alternating Signs | C++23 (GCC 14-64, msys2) | Accepted | 77 ms | 100 KB |
| 318276383 | May/04/2025 03:55 | miniyahirpro | A - Alternating Signs | C++23 (GCC 14-64, msys2) | Accepted | 108 ms | 100 KB |
| 318969687 | May/09/2025 20:00 | MEMO and similar: Lemongrab5, ouvh, benjellounelghali99# | A - Alternating Signs | C++23 (GCC 14-64, msys2) | Accepted | 62 ms | 0 KB |
| 377698545 | Jun/07/2026 22:02 | Ban Crabs Remix: pupusadefrijolconqueso, xMakuno, iamcarlogg# | A - Alternating Signs | C++23 (GCC 14-64, msys2) | Accepted | 203 ms | 0 KB |
| 318683779 | May/07/2025 06:24 | vjudge2 | A - Alternating Signs | C++23 (GCC 14-64, msys2) | Accepted | 78 ms | 3100 KB |
| 317339785 | Apr/26/2025 16:19 | Dr.KeK | A - Alternating Signs | C++20 (GCC 13-64) | Accepted | 62 ms | 100 KB |
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