→ 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 I - Tree
Contest status
| # | When | Who | Problem | Lang | Verdict | Time | Memory |
|---|---|---|---|---|---|---|---|
| 229337938 | Oct/22/2023 22:49 | Phantom Orion: Snapper_001, narottam.viswas, _._adhokshaja_._# | I - Tree | C++20 (GCC 11-64) | Accepted | 764 ms | 165700 KB |
| 257340379 | Apr/19/2024 21:06 | leemzo: nzo, leonardonm15# | I - Tree | C++20 (GCC 13-64) | Accepted | 796 ms | 20400 KB |
| 207832295 | May/30/2023 11:41 | 您离Ac还差一条背带裤: MOoOnLight, hai.hai.hai., MoonLight__# | I - Tree | C++20 (GCC 11-64) | Accepted | 109 ms | 19400 KB |
| 313873863 | Apr/04/2025 09:00 | linhua# | I - Tree | C++20 (GCC 13-64) | Accepted | 515 ms | 0 KB |
| 213056618 | Jul/10/2023 08:18 | vjudge1 | I - Tree | Java 8 | Accepted | 498 ms | 0 KB |
| 213862586 | Jul/15/2023 09:12 | vjudge5 | I - Tree | C++20 (GCC 11-64) | Accepted | 420 ms | 1900 KB |
| 281845835 | Sep/19/2024 14:28 | __baozii__# | I - Tree | Go | Accepted | 186 ms | 5600 KB |
| 206848974 | May/22/2023 17:19 | MAOooOAM# | I - Tree | C++17 (GCC 9-64) | Accepted | 420 ms | 1900 KB |
| 312179684 | Mar/24/2025 14:09 | zhengly# | I - Tree | C++23 (GCC 14-64, msys2) | Accepted | 453 ms | 300 KB |
| 370349898 | Apr/09/2026 08:51 | viiiix | I - Tree | C++23 (GCC 14-64, msys2) | Accepted | 437 ms | 100 KB |
| 293437863 | Nov/27/2024 07:37 | maomao 0.o: ling_cc, mouhua# | I - Tree | C++23 (GCC 14-64, msys2) | Accepted | 467 ms | 24800 KB |
| 316356701 | Apr/20/2025 11:45 | JZX# | I - Tree | C++20 (GCC 13-64) | Accepted | 530 ms | 200 KB |
| 281440992 | Sep/16/2024 09:10 | vjudge3 | I - Tree | C++23 (GCC 14-64, msys2) | Accepted | 811 ms | 248100 KB |
| 281471761 | Sep/16/2024 14:01 | vjudge5 | I - Tree | C++23 (GCC 14-64, msys2) | Accepted | 811 ms | 248100 KB |
| 281471434 | Sep/16/2024 13:58 | 625005105 | I - Tree | C++20 (GCC 13-64) | Accepted | 796 ms | 247900 KB |
| 253019570 | Mar/24/2024 07:20 | GordenGhost | I - Tree | C++17 (GCC 7-32) | Accepted | 670 ms | 2000 KB |
| 217960121 | Aug/09/2023 08:07 | KangYao.Li | I - Tree | C++20 (GCC 11-64) | Accepted | 312 ms | 1900 KB |
| 261617785 | May/19/2024 10:40 | zhubin father is right: Floze3, sdyzpf# | I - Tree | C++17 (GCC 7-32) | Accepted | 155 ms | 4100 KB |
| 257822745 | Apr/23/2024 10:29 | wifi32767 | I - Tree | C++20 (GCC 13-64) | Accepted | 453 ms | 3900 KB |
| 343632926 | Oct/14/2025 06:36 | Isla# | I - Tree | C++23 (GCC 14-64, msys2) | Accepted | 530 ms | 25300 KB |
| 281433043 | Sep/16/2024 07:32 | vjudge2 | I - Tree | C++17 (GCC 7-32) | Accepted | 577 ms | 4000 KB |
| 206836338 | May/22/2023 15:29 | Velpro-Z | I - Tree | C++20 (GCC 11-64) | Accepted | 342 ms | 15700 KB |
| 317256596 | Apr/26/2025 08:34 | Pupil of YanShan: FFFBL, yurril, chais_# | I - Tree | C++20 (GCC 13-64) | Accepted | 624 ms | 200 KB |
| 207358498 | May/26/2023 16:22 | newLife_Love | I - Tree | C++20 (GCC 11-64) | Accepted | 872 ms | 3900 KB |
| 209116206 | Jun/09/2023 19:18 | ye_che_fans: Ye_Che, linn_# | I - Tree | C++17 (GCC 9-64) | Accepted | 670 ms | 59800 KB |
| 293451926 | Nov/27/2024 09:49 | yorisou | I - Tree | C++23 (GCC 14-64, msys2) | Accepted | 530 ms | 100 KB |
| 293451993 | Nov/27/2024 09:49 | yorisou | I - Tree | C++23 (GCC 14-64, msys2) | Accepted | 140 ms | 300 KB |
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