→ 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 - 树，排列，期望
Contest status
| # | When | Who | Problem | Lang | Verdict | Time | Memory |
|---|---|---|---|---|---|---|---|
| 353504838 | Dec/15/2025 00:24 | postpone | A - 树，排列，期望 | C++23 (GCC 14-64, msys2) | Accepted | 187 ms | 10400 KB |
| 353504803 | Dec/15/2025 00:23 | postpone | A - 树，排列，期望 | C++23 (GCC 14-64, msys2) | Accepted | 187 ms | 10400 KB |
| 353474494 | Dec/14/2025 18:43 | meteorift | A - 树，排列，期望 | C++20 (GCC 13-64) | Accepted | 203 ms | 5500 KB |
| 353439423 | Dec/14/2025 14:50 | Little_Sheep_Yawn | A - 树，排列，期望 | PyPy 3-64 | Accepted | 468 ms | 38300 KB |
| 353852290 | Dec/17/2025 16:02 | 012345 | A - 树，排列，期望 | C++23 (GCC 14-64, msys2) | Accepted | 218 ms | 5700 KB |
| 360799376 | Jan/31/2026 06:41 | yxfql | A - 树，排列，期望 | C++23 (GCC 14-64, msys2) | Accepted | 203 ms | 7300 KB |
| 353508824 | Dec/15/2025 02:11 | HuTao | A - 树，排列，期望 | C++23 (GCC 14-64, msys2) | Accepted | 171 ms | 5600 KB |
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