→ 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 A - Black Friday
Contest status
| # | When | Who | Problem | Lang | Verdict | Time | Memory |
|---|---|---|---|---|---|---|---|
| 392308228 | Sep/27/2026 12:05 | lingfeng0505 | A - Black Friday | C++23 (GCC 14-64, msys2) | Accepted | 796 ms | 23500 KB |
| 392690874 | Sep/30/2026 11:53 | Vu_CG_Coder | A - Black Friday | C++23 (GCC 14-64, msys2) | Accepted | 734 ms | 9400 KB |
| 393049847 | Oct/03/2026 12:16 | DITide and Conquer: coder3000, radaiosm7, Stathis# | A - Black Friday | C++23 (GCC 14-64, msys2) | Accepted | 62 ms | 0 KB |
| 392691324 | Sep/30/2026 11:57 | Vu_CG_Coder | A - Black Friday | C++23 (GCC 14-64, msys2) | Accepted | 765 ms | 9400 KB |
| 392691198 | Sep/30/2026 11:56 | Vu_CG_Coder | A - Black Friday | C++23 (GCC 14-64, msys2) | Accepted | 781 ms | 9400 KB |
| 392299798 | Sep/27/2026 10:47 | Elysium | A - Black Friday | C++23 (GCC 14-64, msys2) | Accepted | 93 ms | 0 KB |
| 392299709 | Sep/27/2026 10:46 | Elysium | A - Black Friday | C++23 (GCC 14-64, msys2) | Accepted | 109 ms | 0 KB |
| 392495350 | Sep/28/2026 17:51 | هلا بالعالم: Jarif_Rahman, vahmad, swehoneycodes# | A - Black Friday | C++20 (GCC 13-64) | Accepted | 875 ms | 800 KB |
| 392319666 | Sep/27/2026 13:49 | Accepted on TC 100: ASN49K, PaulSaisnouo, ice_king# | A - Black Friday | C++20 (GCC 13-64) | Accepted | 921 ms | 10200 KB |
| 392283629 | Sep/27/2026 08:07 | loumingjie | A - Black Friday | C++20 (GCC 13-64) | Accepted | 234 ms | 17700 KB |
| 391621382 | Sep/22/2026 14:17 | adl | A - Black Friday | C++23 (GCC 14-64, msys2) | Accepted | 734 ms | 900 KB |
| 393430797 | Oct/06/2026 20:38 | KIRIJIJI | A - Black Friday | C++20 (GCC 13-64) | Accepted | 93 ms | 2000 KB |
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