→ 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 |
|---|---|---|---|---|---|---|---|
| 212072953 | Jul/04/2023 14:33 | yyh1231 | I - Tree | C++20 (GCC 11-64) | Accepted | 966 ms | 3900 KB |
| 222393219 | Sep/08/2023 07:28 | vjudge3 | I - Tree | C++14 (GCC 6-32) | Accepted | 639 ms | 1900 KB |
| 328412059 | Jul/10/2025 19:44 | vjudge2 | I - Tree | C++17 (GCC 7-32) | Accepted | 827 ms | 7900 KB |
| 208043844 | Jun/01/2023 13:25 | vjudge4 | I - Tree | C++17 (GCC 9-64) | Accepted | 389 ms | 2000 KB |
| 208050246 | Jun/01/2023 14:38 | mingyu17 | I - Tree | C++20 (GCC 11-64) | Accepted | 904 ms | 2000 KB |
| 227547306 | Oct/10/2023 16:53 | yulishen | I - Tree | C++20 (GCC 11-64) | Accepted | 982 ms | 3900 KB |
| 318391456 | May/05/2025 06:07 | vjudge1 | I - Tree | C++23 (GCC 14-64, msys2) | Accepted | 453 ms | 4000 KB |
| 207141327 | May/25/2023 15:14 | DGJG# | I - Tree | C++20 (GCC 11-64) | Accepted | 358 ms | 1900 KB |
| 230322725 | Oct/29/2023 09:52 | K.Escape | I - Tree | C++17 (GCC 7-32) | Accepted | 608 ms | 7800 KB |
| 311609879 | Mar/21/2025 06:41 | xuanandyi# | I - Tree | PyPy 3-64 | Accepted | 483 ms | 10900 KB |
| 208241847 | Jun/03/2023 05:18 | vjudge2 | I - Tree | C++17 (GCC 9-64) | Accepted | 390 ms | 1900 KB |
| 208241870 | Jun/03/2023 05:19 | vjudge5 | I - Tree | C++17 (GCC 7-32) | Accepted | 686 ms | 1900 KB |
| 207044956 | May/24/2023 15:52 | nb: Driser, lilicaiji# | I - Tree | C++20 (GCC 11-64) | Accepted | 951 ms | 7800 KB |
| 230322955 | Oct/29/2023 09:54 | vjudge3 | I - Tree | C++17 (GCC 7-32) | Accepted | 670 ms | 7800 KB |
| 216026245 | Jul/28/2023 04:29 | vjudge5 | I - Tree | C++17 (GCC 7-32) | Accepted | 592 ms | 3900 KB |
| 227609507 | Oct/11/2023 04:40 | yyc4591 | I - Tree | C++20 (GCC 11-64) | Accepted | 889 ms | 1900 KB |
| 319632790 | May/14/2025 14:27 | vjudge.8 | I - Tree | C++17 (GCC 7-32) | Accepted | 812 ms | 4000 KB |
| 211087497 | Jun/26/2023 05:21 | vjudge1 | I - Tree | C++14 (GCC 6-32) | Accepted | 623 ms | 39100 KB |
| 224694136 | Sep/23/2023 07:46 | CodefanBoys: Glue_, Akimizussq, 5h0wba11# | I - Tree | C++14 (GCC 6-32) | Accepted | 654 ms | 2000 KB |
| 262210896 | May/23/2024 06:02 | CimonAc | I - Tree | C++17 (GCC 7-32) | Accepted | 561 ms | 2000 KB |
| 217556335 | Aug/07/2023 10:39 | vjudge1 | I - Tree | MS C++ 2017 | Accepted | 701 ms | 2000 KB |
| 227330943 | Oct/09/2023 16:27 | hjing# | I - Tree | C++17 (GCC 7-32) | Accepted | 826 ms | 3900 KB |
| 370936381 | Apr/13/2026 14:11 | zhegesuibianbei: beijiquandeqie, goal_sjtu, Marychara# | I - Tree | C++23 (GCC 14-64, msys2) | Accepted | 453 ms | 4000 KB |
| 206915207 | May/23/2023 10:57 | Mifasuo | I - Tree | C++20 (GCC 11-64) | Accepted | 919 ms | 2000 KB |
| 253019836 | Mar/24/2024 07:24 | vjudge4 | I - Tree | C++20 (GCC 13-64) | Accepted | 358 ms | 3900 KB |
| 206850321 | May/22/2023 17:31 | miao-miao | I - Tree | C++14 (GCC 6-32) | Accepted | 686 ms | 1900 KB |
| 206919615 | May/23/2023 11:48 | Goodhb | I - Tree | C++14 (GCC 6-32) | Accepted | 592 ms | 3900 KB |
| 207051319 | May/24/2023 16:51 | yohuang | I - Tree | C++20 (GCC 11-64) | Accepted | 920 ms | 3900 KB |
| 207052623 | May/24/2023 17:04 | yohuang | I - Tree | C++17 (GCC 7-32) | Accepted | 748 ms | 3900 KB |
| 207318063 | May/26/2023 10:15 | taikonlover | I - Tree | C++14 (GCC 6-32) | Accepted | 794 ms | 26700 KB |
| 235415852 | Dec/02/2023 19:41 | vjudge2 | I - Tree | C++20 (GCC 11-64) | Accepted | 343 ms | 1900 KB |
| 207040486 | May/24/2023 15:09 | dundun17# | I - Tree | C++20 (GCC 11-64) | Accepted | 920 ms | 3900 KB |
| 211134021 | Jun/26/2023 15:43 | vjudge2 | I - Tree | C++17 (GCC 7-32) | Accepted | 623 ms | 3900 KB |
| 313083181 | Mar/30/2025 09:34 | guoyaopeng# | I - Tree | C++23 (GCC 14-64, msys2) | Accepted | 936 ms | 47100 KB |
| 313187002 | Mar/31/2025 03:36 | 3213213 | I - Tree | C++23 (GCC 14-64, msys2) | Accepted | 936 ms | 47100 KB |
| 207061625 | May/24/2023 18:41 | YSKM0711 | I - Tree | C++17 (GCC 7-32) | Accepted | 545 ms | 2000 KB |
| 207061811 | May/24/2023 18:44 | ShiHaoHu | I - Tree | C++17 (GCC 7-32) | Accepted | 732 ms | 3900 KB |
| 207070809 | May/24/2023 20:14 | chen_zexing | I - Tree | C++17 (GCC 7-32) | Accepted | 529 ms | 2000 KB |
| 207356430 | May/26/2023 16:06 | TSJ_TSJ# | I - Tree | C++20 (GCC 11-64) | Accepted | 919 ms | 3900 KB |
| 259998202 | May/08/2024 15:30 | Rombing | I - Tree | C++14 (GCC 6-32) | Accepted | 562 ms | 3900 KB |
| 206823988 | May/22/2023 14:14 | 202105010141# | I - Tree | C++20 (GCC 11-64) | Accepted | 389 ms | 3900 KB |
| 207062603 | May/24/2023 18:51 | ShiHaoHu | I - Tree | C++17 (GCC 7-32) | Accepted | 764 ms | 3900 KB |
| 207446624 | May/27/2023 11:37 | myywuhu# | I - Tree | C++20 (GCC 11-64) | Accepted | 374 ms | 3900 KB |
| 218004150 | Aug/09/2023 14:19 | Je3ter | I - Tree | C++20 (GCC 11-64) | Accepted | 358 ms | 2000 KB |
| 222404314 | Sep/08/2023 09:25 | huohuohuohuo | I - Tree | C++20 (GCC 11-64) | Accepted | 327 ms | 3900 KB |
| 253599581 | Mar/28/2024 11:55 | Phon | I - Tree | C++17 (GCC 7-32) | Accepted | 779 ms | 3900 KB |
| 260641988 | May/12/2024 12:36 | vjudge.1 | I - Tree | C++20 (GCC 13-64) | Accepted | 421 ms | 7900 KB |
| 263706760 | Jun/02/2024 09:13 | tszyuk1207# | I - Tree | C++17 (GCC 7-32) | Accepted | 827 ms | 39200 KB |
| 370936512 | Apr/13/2026 14:12 | zhegesuibianbei: beijiquandeqie, goal_sjtu, Marychara# | I - Tree | C++17 (GCC 7-32) | Accepted | 593 ms | 4000 KB |
| 206972076 | May/23/2023 19:55 | hy2004 | I - Tree | C++14 (GCC 6-32) | Accepted | 577 ms | 2000 KB |
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