→ 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.
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→ Contest materials
Problem A - AD 2020
Contest status
| # | When | Who | Problem | Lang | Verdict | Time | Memory |
|---|---|---|---|---|---|---|---|
| 99067003 | Nov/21/2020 04:38 | UESTC_Guest_WiFi: ZXyang, Vingying0, HeRaNO# | A - AD 2020 | C++17 (GCC 7-32) | Accepted | 421 ms | 29400 KB |
| 97777433 | Nov/06/2020 15:50 | vjudge2 | A - AD 2020 | C++17 (GCC 7-32) | Accepted | 982 ms | 0 KB |
| 284983576 | Oct/09/2024 06:56 | vjudge.2 | A - AD 2020 | C++17 (GCC 7-32) | Accepted | 780 ms | 0 KB |
| 284983658 | Oct/09/2024 06:57 | vjudge.9 | A - AD 2020 | C++23 (GCC 14-64, msys2) | Accepted | 765 ms | 0 KB |
| 97776342 | Nov/06/2020 15:35 | vjudge5 | A - AD 2020 | C++17 (GCC 7-32) | Accepted | 997 ms | 0 KB |
| 259622026 | May/05/2024 14:02 | vjudge.2 | A - AD 2020 | C++20 (GCC 13-64) | Accepted | 186 ms | 0 KB |
| 95993509 | Oct/19/2020 17:13 | lcsdsg | A - AD 2020 | C++14 (GCC 6-32) | Accepted | 997 ms | 114700 KB |
| 95993648 | Oct/19/2020 17:14 | lcsdsg | A - AD 2020 | C++17 (GCC 9-64) | Accepted | 904 ms | 183300 KB |
| 384043325 | Jul/24/2026 10:58 | zxrzxr | A - AD 2020 | C++23 (GCC 14-64, msys2) | Accepted | 406 ms | 31400 KB |
| 99527242 | Nov/25/2020 09:14 | vjudge3 | A - AD 2020 | C++17 (GCC 7-32) | Accepted | 982 ms | 0 KB |
| 97776475 | Nov/06/2020 15:36 | vjudge3 | A - AD 2020 | C++17 (GCC 7-32) | Accepted | 998 ms | 0 KB |
| 180172156 | Nov/09/2022 11:33 | vjudge3 | A - AD 2020 | C++20 (GCC 11-64) | Accepted | 639 ms | 600 KB |
| 148033008 | Mar/01/2022 16:15 | joecai | A - AD 2020 | C++20 (GCC 11-64) | Accepted | 826 ms | 114800 KB |
| 132105011 | Oct/16/2021 11:27 | vjudge4 | A - AD 2020 | C++17 (GCC 7-32) | Accepted | 78 ms | 0 KB |
| 228757837 | Oct/19/2023 09:43 | nmsl# | A - AD 2020 | C++20 (GCC 11-64) | Accepted | 93 ms | 4100 KB |
| 392701212 | Sep/30/2026 13:48 | LBD_LD | A - AD 2020 | C++20 (GCC 13-64) | Accepted | 812 ms | 0 KB |
| 96335214 | Oct/22/2020 09:57 | vjudge1 | A - AD 2020 | C++17 (GCC 9-64) | Accepted | 920 ms | 133800 KB |
| 116576029 | May/18/2021 17:30 | vjudge5 | A - AD 2020 | C++17 (GCC 7-32) | Accepted | 764 ms | 1600 KB |
| 107913068 | Feb/19/2021 09:35 | TEAM01: LIGHT_SUN, little_lion, Ryeblablabla# | A - AD 2020 | C++17 (GCC 7-32) | Accepted | 608 ms | 800 KB |
| 99392846 | Nov/24/2020 15:17 | DrinkMoreBoilingWater | A - AD 2020 | C++14 (GCC 6-32) | Accepted | 187 ms | 62700 KB |
| 120710344 | Jun/27/2021 09:07 | vjudge1 | A - AD 2020 | C++17 (GCC 7-32) | Accepted | 405 ms | 16300 KB |
| 120710060 | Jun/27/2021 09:02 | vjudge4 | A - AD 2020 | C++17 (GCC 9-64) | Accepted | 374 ms | 16300 KB |
| 120710315 | Jun/27/2021 09:06 | vjudge5 | A - AD 2020 | C++17 (GCC 9-64) | Accepted | 374 ms | 16300 KB |
| 96070321 | Oct/20/2020 15:13 | Dva: RayCappola, amokrousov, Timonnable# | A - AD 2020 | C++17 (GCC 7-32) | Accepted | 249 ms | 300 KB |
| 214153276 | Jul/17/2023 08:23 | vjudge2 | A - AD 2020 | C++17 (GCC 7-32) | Accepted | 155 ms | 0 KB |
| 117393269 | May/26/2021 12:59 | vjudge2 | A - AD 2020 | C++17 (GCC 7-32) | Accepted | 373 ms | 100 KB |
| 96212313 | Oct/21/2020 10:02 | ashon37w# | A - AD 2020 | C++17 (GCC 7-32) | Accepted | 826 ms | 800 KB |
| 243356927 | Jan/26/2024 09:59 | vjudge5 | A - AD 2020 | C++20 (GCC 11-64) | Accepted | 109 ms | 600 KB |
| 284983561 | Oct/09/2024 06:56 | xingyuxingxi | A - AD 2020 | C++23 (GCC 14-64, msys2) | Accepted | 765 ms | 0 KB |
| 106982031 | Feb/09/2021 15:35 | WEWILLAK: qinqizhou, Lixiaoban, kimino# | A - AD 2020 | C++17 (GCC 7-32) | Accepted | 717 ms | 0 KB |
| 95994590 | Oct/19/2020 17:25 | lcsdsg | A - AD 2020 | C++17 (GCC 7-32) | Accepted | 560 ms | 109000 KB |
| 95994822 | Oct/19/2020 17:28 | lcsdsg | A - AD 2020 | C++14 (GCC 6-32) | Accepted | 545 ms | 109000 KB |
| 97823105 | Nov/07/2020 09:45 | CheezeKEK: Friska, reshke# | A - AD 2020 | C++17 (GCC 9-64) | Accepted | 311 ms | 14400 KB |
| 153684154 | Apr/15/2022 04:52 | sunzzzz | A - AD 2020 | Java 8 | Accepted | 764 ms | 15400 KB |
| 196911696 | Mar/11/2023 12:27 | vjudge1 | A - AD 2020 | C++20 (GCC 11-64) | Accepted | 373 ms | 100 KB |
| 197012507 | Mar/12/2023 07:47 | b42late | A - AD 2020 | C++20 (GCC 11-64) | Accepted | 374 ms | 100 KB |
| 117393402 | May/26/2021 13:01 | vjudge5 | A - AD 2020 | C++17 (GCC 7-32) | Accepted | 389 ms | 100 KB |
| 99383792 | Nov/24/2020 13:18 | vjudge5 | A - AD 2020 | C++17 (GCC 7-32) | Accepted | 109 ms | 100 KB |
| 366191405 | Mar/11/2026 08:02 | Kagarii22 | A - AD 2020 | C++23 (GCC 14-64, msys2) | Accepted | 265 ms | 19200 KB |
| 249896318 | Mar/06/2024 09:36 | Green plum green tea: 0-4, HTyin, trjyyds# | A - AD 2020 | C++17 (GCC 9-64) | Accepted | 982 ms | 137400 KB |
| 372365693 | Apr/24/2026 18:43 | yewenbo | A - AD 2020 | Java 21 | Accepted | 343 ms | 34200 KB |
| 214153258 | Jul/17/2023 08:23 | ch_beans | A - AD 2020 | C++17 (GCC 7-32) | Accepted | 124 ms | 0 KB |
| 249896762 | Mar/06/2024 09:40 | Green plum green tea: 0-4, HTyin, trjyyds# | A - AD 2020 | C++17 (GCC 9-64) | Accepted | 358 ms | 22900 KB |
| 330737270 | Jul/25/2025 04:38 | Wuuuut | A - AD 2020 | C++20 (GCC 13-64) | Accepted | 202 ms | 100 KB |
| 96211815 | Oct/21/2020 09:56 | vjudge1 | A - AD 2020 | C++17 (GCC 9-64) | Accepted | 858 ms | 0 KB |
| 99384045 | Nov/24/2020 13:22 | veteran233 | A - AD 2020 | C++17 (GCC 7-32) | Accepted | 93 ms | 100 KB |
| 96857516 | Oct/27/2020 15:41 | vjudge2 | A - AD 2020 | C++17 (GCC 7-32) | Accepted | 109 ms | 400 KB |
| 199791493 | Mar/30/2023 10:10 | pikaqiu give me a champion: new_li, pika_qiu, Donyeoh# | A - AD 2020 | C++20 (GCC 11-64) | Accepted | 764 ms | 400 KB |
| 115084853 | May/04/2021 07:29 | vjudge1 | A - AD 2020 | C++17 (GCC 7-32) | Accepted | 108 ms | 1600 KB |
| 330606917 | Jul/24/2025 08:58 | Sadman_Ishtiaks | A - AD 2020 | C++23 (GCC 14-64, msys2) | Accepted | 343 ms | 37700 KB |
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