→ 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 K - Keygen 3
Contest status
| # | When | Who | Problem | Lang | Verdict | Time | Memory |
|---|---|---|---|---|---|---|---|
| 352186876 | Dec/06/2025 11:04 |
 The Open University of Israel: Fire Code |
K - Keygen 3 | Unknown | Accepted | 0 ms | 0 KB |
| 361402246 | Feb/04/2026 14:54 | Karuna | K - Keygen 3 | C++20 (GCC 13-64) | Accepted | 421 ms | 100 KB |
| 355635709 | Dec/29/2025 02:32 | LoganGD | K - Keygen 3 | C++23 (GCC 14-64, msys2) | Accepted | 78 ms | 100 KB |
| 352544781 | Dec/08/2025 14:46 | qiuzx | K - Keygen 3 | C++20 (GCC 13-64) | Accepted | 171 ms | 900 KB |
| 351224369 | Nov/29/2025 18:45 | nitram | K - Keygen 3 | C++23 (GCC 14-64, msys2) | Accepted | 686 ms | 61200 KB |
| 351335824 | Nov/30/2025 15:21 | [UPB] 2Popici1Arici: popescuadrian, loan, toma_ariciu# | K - Keygen 3 | C++20 (GCC 13-64) | Accepted | 437 ms | 0 KB |
| 351438568 | Dec/01/2025 11:56 | atkubo | K - Keygen 3 | C++20 (GCC 13-64) | Accepted | 421 ms | 100 KB |
| 352594240 | Dec/08/2025 20:21 | Jippe | K - Keygen 3 | C++23 (GCC 14-64, msys2) | Accepted | 671 ms | 176000 KB |
| 389164451 | Sep/02/2026 09:47 | chongryong | K - Keygen 3 | C++23 (GCC 14-64, msys2) | Accepted | 140 ms | 200 KB |
| 389845552 | Sep/08/2026 10:53 | x114514114514 | K - Keygen 3 | C++17 (GCC 7-32) | Accepted | 312 ms | 1000 KB |
| 350998709 | Nov/28/2025 17:43 | hungchi17 | K - Keygen 3 | C++23 (GCC 14-64, msys2) | Accepted | 77 ms | 100 KB |
| 390066855 | Sep/09/2026 14:22 | Vseslav_Krasnenko | K - Keygen 3 | C++20 (GCC 13-64) | Accepted | 375 ms | 100 KB |
| 352609938 | Dec/08/2025 22:36 | Denisov | K - Keygen 3 | C++20 (GCC 13-64) | Accepted | 1437 ms | 166100 KB |
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