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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.
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Problem A - AND
Contest status
| # | When | Who | Problem | Lang | Verdict | Time | Memory |
|---|---|---|---|---|---|---|---|
| 172902678 | Sep/21/2022 08:17 | NEU_win: thecold, CSHwang, lzr_010506# | A - AND | C++17 (GCC 7-32) | Accepted | 108 ms | 400 KB |
| 174693654 | Oct/05/2022 08:10 | chaos knee: Boti, zstu20zhouzhiyong# | A - AND | C++14 (GCC 6-32) | Accepted | 811 ms | 47000 KB |
| 162993116 | Jul/06/2022 14:10 | retire not to retire: kksk, Sariel_snow, 1838641320# | A - AND | C++20 (GCC 11-64) | Accepted | 483 ms | 400 KB |
| 182206731 | Nov/23/2022 08:46 | CSU-team2: zhrrrr, CrazyDave, changxv# | A - AND | C++17 (GCC 9-64) | Accepted | 62 ms | 400 KB |
| 164379120 | Jul/16/2022 04:06 | Wandering with straw sandals: Bartholomew, czjxyz, installb# | A - AND | C++17 (GCC 7-32) | Accepted | 78 ms | 400 KB |
| 181149844 | Nov/16/2022 05:21 | Gemini7X | A - AND | C++20 (GCC 11-64) | Accepted | 218 ms | 400 KB |
| 226681436 | Oct/05/2023 07:27 | The original iron law of porridge: retcarizy, CHNJZ, psc233# | A - AND | C++17 (GCC 9-64) | Accepted | 140 ms | 7900 KB |
| 191827422 | Feb/03/2023 14:53 | shaosy | A - AND | C++20 (GCC 11-64) | Accepted | 61 ms | 400 KB |
| 183073820 | Nov/29/2022 03:15 | vjudge1 | A - AND | C++17 (GCC 9-64) | Accepted | 187 ms | 5600 KB |
| 178754562 | Nov/01/2022 06:15 | anodiebird# | A - AND | C++17 (GCC 7-32) | Accepted | 93 ms | 400 KB |
| 181163733 | Nov/16/2022 09:25 | vjudge1 | A - AND | C++20 (GCC 11-64) | Accepted | 233 ms | 5600 KB |
| 226682862 | Oct/05/2023 07:46 | frz: BerryPie, fengsongquan, rht22050136# | A - AND | C++20 (GCC 11-64) | Accepted | 46 ms | 400 KB |
| 173040569 | Sep/22/2022 12:39 | Botswana | A - AND | C++17 (GCC 7-32) | Accepted | 795 ms | 400 KB |
| 164226110 | Jul/15/2022 10:19 | gg_b0nd# | A - AND | C++17 (GCC 7-32) | Accepted | 530 ms | 4100 KB |
| 174694572 | Oct/05/2022 08:21 | Bettering: paopaooux, shadow221213, road_police# | A - AND | C++20 (GCC 11-64) | Accepted | 233 ms | 5600 KB |
| 334288631 | Aug/17/2025 18:56 | vjudge3 | A - AND | C++17 (GCC 7-32) | Accepted | 452 ms | 100 KB |
| 162333908 | Jun/30/2022 14:53 | Argovie: RogerDTZ, satori_____, std_algorithm# | A - AND | C++17 (GCC 7-32) | Accepted | 93 ms | 3900 KB |
| 296916758 | Dec/17/2024 07:24 | phtniit# | A - AND | C++20 (GCC 13-64) | Accepted | 187 ms | 100 KB |
| 231920480 | Nov/08/2023 13:27 | EssenceFern: AKCqhzdy, BigHeadCarrot, niao_v# | A - AND | C++17 (GCC 7-32) | Accepted | 78 ms | 15700 KB |
| 334215999 | Aug/17/2025 08:09 | ShahariarIslan | A - AND | C++17 (GCC 7-32) | Accepted | 421 ms | 400 KB |
| 172229882 | Sep/15/2022 13:36 | GDUT_Gold_Garments: DefFrancisQAQ, Kasiruto, wuruzhao# | A - AND | C++17 (GCC 7-32) | Accepted | 78 ms | 800 KB |
| 219034109 | Aug/16/2023 03:47 | vjudge4 | A - AND | C++20 (GCC 11-64) | Accepted | 233 ms | 400 KB |
| 157434817 | May/17/2022 03:34 | Linshey# | A - AND | C++20 (GCC 11-64) | Accepted | 233 ms | 1600 KB |
| 198591952 | Mar/22/2023 10:43 | lucyanna2018 | A - AND | C++20 (GCC 11-64) | Accepted | 171 ms | 400 KB |
| 166689324 | Aug/02/2022 15:05 | Solve4: WonderfulWhale, kamilszymczak1, Rafi22# | A - AND | C++17 (GCC 7-32) | Accepted | 93 ms | 400 KB |
| 183037631 | Nov/28/2022 18:24 | little-Kath | A - AND | C++17 (GCC 7-32) | Accepted | 109 ms | 3800 KB |
| 226680525 | Oct/05/2023 07:15 | Snow halation: lisihan, My_Sword, widsnoy_rs# | A - AND | C++17 (GCC 7-32) | Accepted | 108 ms | 400 KB |
| 334214426 | Aug/17/2025 07:43 | ov113 | A - AND | C++23 (GCC 14-64, msys2) | Accepted | 109 ms | 0 KB |
| 334214506 | Aug/17/2025 07:45 | faishal_053 | A - AND | C++23 (GCC 14-64, msys2) | Accepted | 109 ms | 0 KB |
| 219034538 | Aug/16/2023 03:56 | vjudge4 | A - AND | C++20 (GCC 11-64) | Accepted | 249 ms | 4500 KB |
| 183033569 | Nov/28/2022 17:48 | vjudge1 | A - AND | C++17 (GCC 9-64) | Accepted | 202 ms | 5200 KB |
| 183988903 | Dec/05/2022 15:51 | vjudge2 | A - AND | C++20 (GCC 11-64) | Accepted | 234 ms | 400 KB |
| 172910163 | Sep/21/2022 10:01 | next_station_ChaShanLiu: Eloi0323# | A - AND | C++17 (GCC 9-64) | Accepted | 202 ms | 400 KB |
| 184257970 | Dec/07/2022 21:28 | vjudge2 | A - AND | C++20 (GCC 11-64) | Accepted | 483 ms | 1500 KB |
| 334211738 | Aug/17/2025 06:50 | Artem_Pugash | A - AND | C++20 (GCC 13-64) | Accepted | 359 ms | 2000 KB |
| 226680833 | Oct/05/2023 07:19 | HDU-T11_Explosion in a Rush: crpboy, adman666, _ppp204# | A - AND | C++20 (GCC 11-64) | Accepted | 46 ms | 3900 KB |
| 164986792 | Jul/20/2022 11:58 | vjudge3 | A - AND | C++14 (GCC 6-32) | Accepted | 78 ms | 400 KB |
| 334215982 | Aug/17/2025 08:08 | askeww | A - AND | C++17 (GCC 7-32) | Accepted | 421 ms | 400 KB |
| 178708374 | Oct/31/2022 18:14 | hasan_tawsif | A - AND | C++20 (GCC 11-64) | Accepted | 61 ms | 4800 KB |
| 165009375 | Jul/20/2022 15:35 | vjudge3 | A - AND | C++14 (GCC 6-32) | Accepted | 608 ms | 2400 KB |
| 238668482 | Dec/24/2023 16:19 | ianguis | A - AND | C++20 (GCC 11-64) | Accepted | 467 ms | 1600 KB |
| 338121500 | Sep/11/2025 20:54 | vjudge1 | A - AND | C++17 (GCC 7-32) | Accepted | 468 ms | 0 KB |
| 225806775 | Sep/29/2023 19:21 | hieplpvip | A - AND | C++20 (GCC 11-64) | Accepted | 46 ms | 400 KB |
| 334296055 | Aug/17/2025 19:55 | vjudge.1 | A - AND | C++17 (GCC 7-32) | Accepted | 453 ms | 1200 KB |
| 186657844 | Dec/25/2022 13:51 | harsh__h | A - AND | C++20 (GCC 11-64) | Accepted | 62 ms | 400 KB |
| 192693963 | Feb/08/2023 09:11 | BurnedChicken# | A - AND | C++20 (GCC 11-64) | Accepted | 46 ms | 400 KB |
| 152544794 | Apr/03/2022 08:57 | happy,lucky,smile,yeah: KLL, ddytxdy, northbank# | A - AND | C++17 (GCC 7-32) | Accepted | 62 ms | 1200 KB |
| 334205539 | Aug/17/2025 04:30 | spoonspoon1006 | A - AND | C++20 (GCC 13-64) | Accepted | 358 ms | 2100 KB |
| 219033910 | Aug/16/2023 03:44 | vjudge4 | A - AND | C++17 (GCC 9-64) | Accepted | 155 ms | 400 KB |
| 171045992 | Sep/06/2022 14:39 | Gapzinho | A - AND | C++20 (GCC 11-64) | Accepted | 311 ms | 800 KB |
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