→ 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 |
|---|---|---|---|---|---|---|---|
| 208158762 | Jun/02/2023 14:27 | vjudge4 | I - Tree | C++17 (GCC 7-32) | Accepted | 716 ms | 3900 KB |
| 256108937 | Apr/11/2024 14:35 | Lionel_ZQY | I - Tree | C++20 (GCC 13-64) | Accepted | 499 ms | 200 KB |
| 327519736 | Jul/05/2025 15:31 | Carregados por Liamba: guui, joca113, Jvrco# | I - Tree | C++23 (GCC 14-64, msys2) | Accepted | 468 ms | 300 KB |
| 208167365 | Jun/02/2023 15:49 | vjudge3 | I - Tree | C++17 (GCC 7-32) | Accepted | 561 ms | 19600 KB |
| 254932513 | Apr/04/2024 09:37 | Chiullian | I - Tree | C++20 (GCC 13-64) | Accepted | 436 ms | 100 KB |
| 207331876 | May/26/2023 12:34 | Doooog | I - Tree | C++20 (GCC 11-64) | Accepted | 935 ms | 1900 KB |
| 258550852 | Apr/28/2024 13:49 | KFK_Demon | I - Tree | C++14 (GCC 6-32) | Accepted | 577 ms | 2000 KB |
| 272232258 | Jul/24/2024 04:45 | sdtbu-cjz | I - Tree | C++20 (GCC 13-64) | Accepted | 421 ms | 2000 KB |
| 312054240 | Mar/23/2025 13:37 | ZUJUT4: huanxiel, blstAr, FDpencil3# | I - Tree | C++23 (GCC 14-64, msys2) | Accepted | 718 ms | 4000 KB |
| 270132752 | Jul/12/2024 10:03 | Fly Pig: hnust_ccy, hnust_chenyanfei, messiwintheone# | I - Tree | C++20 (GCC 13-64) | Accepted | 749 ms | 3900 KB |
| 207437051 | May/27/2023 10:17 | Zysac | I - Tree | C++17 (GCC 7-32) | Accepted | 685 ms | 26000 KB |
| 309576475 | Mar/09/2025 08:00 | ZJUT#: awerty_noob, Pia_owo, unclezhou# | I - Tree | C++20 (GCC 13-64) | Accepted | 452 ms | 0 KB |
| 328410174 | Jul/10/2025 19:31 | vjudge.9 | I - Tree | C++17 (GCC 7-32) | Accepted | 796 ms | 2500 KB |
| 207547047 | May/28/2023 11:32 | BlueberryPieKyle | I - Tree | C++17 (GCC 7-32) | Accepted | 561 ms | 3900 KB |
| 208157332 | Jun/02/2023 14:11 | vjudge3 | I - Tree | C++14 (GCC 6-32) | Accepted | 702 ms | 3800 KB |
| 257814346 | Apr/23/2024 08:48 | cocomos# | I - Tree | C++17 (GCC 7-32) | Accepted | 546 ms | 3900 KB |
| 259295458 | May/03/2024 07:10 | kevco# | I - Tree | C++20 (GCC 13-64) | Accepted | 421 ms | 2000 KB |
| 327865911 | Jul/07/2025 07:22 | vjudge4 | I - Tree | C++20 (GCC 13-64) | Accepted | 437 ms | 200 KB |
| 223630725 | Sep/16/2023 17:47 | oilover | I - Tree | C++20 (GCC 11-64) | Accepted | 920 ms | 2000 KB |
| 261743667 | May/20/2024 11:18 | duoxichangan | I - Tree | C++17 (GCC 7-32) | Accepted | 671 ms | 4000 KB |
| 315135463 | Apr/12/2025 14:42 | hstc: CAMUS_, hzy-ak# | I - Tree | C++20 (GCC 13-64) | Accepted | 514 ms | 7900 KB |
| 207472728 | May/27/2023 16:11 | vjudge4 | I - Tree | C++14 (GCC 6-32) | Accepted | 701 ms | 2000 KB |
| 214154255 | Jul/17/2023 08:37 | Agin | I - Tree | C++14 (GCC 6-32) | Accepted | 670 ms | 20700 KB |
| 223631131 | Sep/16/2023 17:50 | monggo1995 | I - Tree | C++20 (GCC 11-64) | Accepted | 920 ms | 2000 KB |
| 256604053 | Apr/14/2024 09:58 | you-jin-plus# | I - Tree | C++17 (GCC 7-32) | Accepted | 905 ms | 17300 KB |
| 234911043 | Nov/29/2023 13:33 | vjudge5 | I - Tree | C++20 (GCC 11-64) | Accepted | 342 ms | 3900 KB |
| 262102064 | May/22/2024 09:58 | LzxQwQ# | I - Tree | C++17 (GCC 7-32) | Accepted | 718 ms | 2000 KB |
| 207495025 | May/27/2023 19:51 | FlyingFeather | I - Tree | C++17 (GCC 7-32) | Accepted | 592 ms | 15700 KB |
| 208162780 | Jun/02/2023 15:05 | vjudge4 | I - Tree | C++20 (GCC 11-64) | Accepted | 904 ms | 2000 KB |
| 302163453 | Jan/21/2025 05:34 | vjudge4 | I - Tree | C++23 (GCC 14-64, msys2) | Accepted | 484 ms | 2000 KB |
| 302170402 | Jan/21/2025 07:04 | vjudge5 | I - Tree | C++23 (GCC 14-64, msys2) | Accepted | 515 ms | 7900 KB |
| 367662138 | Mar/21/2026 18:49 | feranjos | I - Tree | C++17 (GCC 7-32) | Accepted | 625 ms | 0 KB |
| 212919186 | Jul/09/2023 08:39 | vjudge3 | I - Tree | C++20 (GCC 11-64) | Accepted | 358 ms | 1900 KB |
| 340203578 | Sep/24/2025 17:16 | halym2008 | I - Tree | C++23 (GCC 14-64, msys2) | Accepted | 515 ms | 2000 KB |
| 216027927 | Jul/28/2023 04:52 | vjudge3 | I - Tree | C++20 (GCC 11-64) | Accepted | 639 ms | 1900 KB |
| 252906635 | Mar/23/2024 12:52 | OnYour_Side# | I - Tree | C++20 (GCC 13-64) | Accepted | 280 ms | 1900 KB |
| 258174926 | Apr/26/2024 05:02 | WuDengFenDeSY | I - Tree | C++20 (GCC 13-64) | Accepted | 421 ms | 0 KB |
| 278935222 | Aug/31/2024 15:01 | ACAK# | I - Tree | C++17 (GCC 7-32) | Accepted | 687 ms | 19100 KB |
| 207436927 | May/27/2023 10:16 | 815741912 | I - Tree | C++17 (GCC 9-64) | Accepted | 639 ms | 38500 KB |
| 223801904 | Sep/18/2023 09:47 | AnneHe | I - Tree | C++14 (GCC 6-32) | Accepted | 561 ms | 2000 KB |
| 223801947 | Sep/18/2023 09:48 | AnneHe | I - Tree | C++14 (GCC 6-32) | Accepted | 545 ms | 2000 KB |
| 223802024 | Sep/18/2023 09:49 | AnneHe | I - Tree | C++14 (GCC 6-32) | Accepted | 608 ms | 2000 KB |
| 284382232 | Oct/05/2024 04:55 | zzzfh | I - Tree | C++17 (GCC 7-32) | Accepted | 593 ms | 600 KB |
| 302539545 | Jan/23/2025 06:29 | vjudge.10 | I - Tree | C++20 (GCC 13-64) | Accepted | 515 ms | 25600 KB |
| 216029995 | Jul/28/2023 05:20 | vjudge2 | I - Tree | C++17 (GCC 7-32) | Accepted | 561 ms | 2000 KB |
| 276482355 | Aug/15/2024 08:29 | xyyod# | I - Tree | C++20 (GCC 13-64) | Accepted | 437 ms | 15700 KB |
| 206836094 | May/22/2023 15:27 | RDDCCD# | I - Tree | C++20 (GCC 11-64) | Accepted | 311 ms | 2000 KB |
| 207933120 | May/31/2023 10:25 | vjudge4 | I - Tree | C++20 (GCC 11-64) | Accepted | 327 ms | 2000 KB |
| 327241068 | Jul/03/2025 16:22 | النتيجة ظهرت...او مظهرتش ادينا قاعدين: ahmedmagdy112233, THE_FOOL_ON_THE_GREY_FOG# | I - Tree | C++23 (GCC 14-64, msys2) | Accepted | 436 ms | 100 KB |
| 207039329 | May/24/2023 14:58 | vjudge2 | I - Tree | C++14 (GCC 6-32) | Accepted | 592 ms | 2000 KB |
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