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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.
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 M - Matrix Problem
Contest status
| # | When | Who | Problem | Lang | Verdict | Time | Memory |
|---|---|---|---|---|---|---|---|
| 135097907 | Nov/12/2021 16:44 | Ningbo U: well-known algorithm?: Ean1zhi, ChenTingyang# | M - Matrix Problem | C++17 (GCC 7-32) | Accepted | 31 ms | 2400 KB |
| 121363220 | Jul/05/2021 08:19 | goatzyq# | M - Matrix Problem | C++17 (GCC 9-64) | Accepted | 31 ms | 700 KB |
| 160224108 | Jun/11/2022 22:17 | UCF Lotus: Xylenox, NatInTheHat, gigabuffoon# | M - Matrix Problem | C++17 (GCC 9-64) | Accepted | 15 ms | 1000 KB |
| 319023093 | May/10/2025 10:06 | ytu_wsl# | M - Matrix Problem | C++20 (GCC 13-64) | Accepted | 62 ms | 3800 KB |
| 124654525 | Aug/02/2021 09:55 | vjudge3 | M - Matrix Problem | MS C++ 2017 | Accepted | 62 ms | 3900 KB |
| 189640714 | Jan/18/2023 15:44 | Liuf# | M - Matrix Problem | C++17 (GCC 7-32) | Accepted | 31 ms | 800 KB |
| 118133168 | Jun/01/2021 22:11 | Monazo1997# | M - Matrix Problem | C++17 (GCC 9-64) | Accepted | 702 ms | 800 KB |
| 200640022 | Apr/04/2023 08:33 | vjudge2 | M - Matrix Problem | C++17 (GCC 9-64) | Accepted | 31 ms | 800 KB |
| 254430325 | Apr/01/2024 14:25 | Rainy_L | M - Matrix Problem | C++17 (GCC 7-32) | Accepted | 78 ms | 1200 KB |
| 124468458 | Aug/01/2021 06:01 | vjudge4 | M - Matrix Problem | GNU C++11 | Accepted | 234 ms | 6200 KB |
| 155112706 | Apr/27/2022 14:03 | vjudge5 | M - Matrix Problem | C++17 (GCC 7-32) | Accepted | 78 ms | 900 KB |
| 224104637 | Sep/20/2023 04:13 | nianzi | M - Matrix Problem | C++17 (GCC 7-32) | Accepted | 30 ms | 900 KB |
| 319769207 | May/15/2025 15:40 | vjudge.7 | M - Matrix Problem | C++20 (GCC 13-64) | Accepted | 61 ms | 600 KB |
| 211563486 | Jun/30/2023 05:39 | wzychampion | M - Matrix Problem | C++20 (GCC 11-64) | Accepted | 156 ms | 3000 KB |
| 119296166 | Jun/13/2021 07:52 | Future_Warrior: Muphy, iceys# | M - Matrix Problem | C++17 (GCC 7-32) | Accepted | 62 ms | 3100 KB |
| 224302975 | Sep/21/2023 16:27 | Yueazero | M - Matrix Problem | C++17 (GCC 7-32) | Accepted | 78 ms | 2400 KB |
| 371983424 | Apr/21/2026 17:27 | Nightmarebaka | M - Matrix Problem | C++23 (GCC 14-64, msys2) | Accepted | 62 ms | 800 KB |
| 153279033 | Apr/10/2022 12:03 | 2104010904 | M - Matrix Problem | C++14 (GCC 6-32) | Accepted | 78 ms | 800 KB |
| 156263854 | May/08/2022 10:26 | vjudge5 | M - Matrix Problem | C++17 (GCC 7-32) | Accepted | 30 ms | 800 KB |
| 321183004 | May/25/2025 04:37 | Simple: andzhaomu, 3449, XED_STARRY_SKY# | M - Matrix Problem | C++17 (GCC 7-32) | Accepted | 77 ms | 100 KB |
| 119643363 | Jun/16/2021 17:37 | untitled: danielcm585, TakeMe, NeoZap# | M - Matrix Problem | C++14 (GCC 6-32) | Accepted | 46 ms | 300 KB |
| 156256975 | May/08/2022 09:02 | vjudge1 | M - Matrix Problem | C++17 (GCC 7-32) | Accepted | 46 ms | 3200 KB |
| 211389630 | Jun/29/2023 07:33 | vjudge3 | M - Matrix Problem | C++17 (GCC 7-32) | Accepted | 46 ms | 3000 KB |
| 361670092 | Feb/06/2026 11:09 | huwting | M - Matrix Problem | C++17 (GCC 7-32) | Accepted | 78 ms | 300 KB |
| 259963541 | May/08/2024 10:26 | vjudge.10 | M - Matrix Problem | C++17 (GCC 7-32) | Accepted | 77 ms | 3000 KB |
| 155107073 | Apr/27/2022 12:41 | vjudge2 | M - Matrix Problem | C++17 (GCC 9-64) | Accepted | 31 ms | 800 KB |
| 160414123 | Jun/13/2022 12:12 | shinoda_shx | M - Matrix Problem | C++17 (GCC 7-32) | Accepted | 46 ms | 6100 KB |
| 211388786 | Jun/29/2023 07:15 | vjudge5 | M - Matrix Problem | C++20 (GCC 11-64) | Accepted | 62 ms | 49800 KB |
| 136113140 | Nov/19/2021 02:13 | amungai: simass, Force_lt, dnyz# | M - Matrix Problem | C++17 (GCC 7-32) | Accepted | 31 ms | 1100 KB |
| 154933745 | Apr/25/2022 14:49 | BoolackOvO | M - Matrix Problem | C++20 (GCC 11-64) | Accepted | 31 ms | 2500 KB |
| 344126547 | Oct/17/2025 09:19 | Xier | M - Matrix Problem | C++23 (GCC 14-64, msys2) | Accepted | 46 ms | 800 KB |
| 123161268 | Jul/21/2021 09:48 | vjudge2 | M - Matrix Problem | GNU C++11 | Accepted | 187 ms | 4600 KB |
| 344126595 | Oct/17/2025 09:20 | Xier | M - Matrix Problem | C++23 (GCC 14-64, msys2) | Accepted | 62 ms | 800 KB |
| 156260386 | May/08/2022 09:43 | vjudge1 | M - Matrix Problem | C++17 (GCC 7-32) | Accepted | 31 ms | 2200 KB |
| 129906125 | Sep/26/2021 11:11 | vjudge4 | M - Matrix Problem | C++17 (GCC 9-64) | Accepted | 46 ms | 7300 KB |
| 367566509 | Mar/21/2026 11:28 | 你怎么知道我在25ecf什么都没有抽到: waste_, kafuyuno, Remote_Dream# | M - Matrix Problem | C++20 (GCC 13-64) | Accepted | 46 ms | 700 KB |
| 256101961 | Apr/11/2024 13:40 | ZJUTღ: WROwO, blx, mu1berry# | M - Matrix Problem | C++20 (GCC 13-64) | Accepted | 109 ms | 0 KB |
| 155105855 | Apr/27/2022 12:22 | vjudge2 | M - Matrix Problem | C++17 (GCC 9-64) | Accepted | 30 ms | 800 KB |
| 319759549 | May/15/2025 14:28 | vjudge4 | M - Matrix Problem | C++23 (GCC 14-64, msys2) | Accepted | 77 ms | 0 KB |
| 120340167 | Jun/23/2021 08:55 | 18481574# | M - Matrix Problem | C++17 (GCC 7-32) | Accepted | 62 ms | 700 KB |
| 156272136 | May/08/2022 12:08 | vjudge3 | M - Matrix Problem | C++20 (GCC 11-64) | Accepted | 31 ms | 2300 KB |
| 210319971 | Jun/20/2023 11:23 | 典の跌: nmsl, Azusamitsusa# | M - Matrix Problem | C++20 (GCC 11-64) | Accepted | 30 ms | 700 KB |
| 157625422 | May/19/2022 07:53 | vjudge3 | M - Matrix Problem | C++17 (GCC 7-32) | Accepted | 30 ms | 2000 KB |
| 151323247 | Mar/29/2022 14:27 | Q.E.D Who survives?: Maniac_Wallnut, Randias, Onozuka# | M - Matrix Problem | C++20 (GCC 11-64) | Accepted | 93 ms | 6300 KB |
| 339462175 | Sep/20/2025 09:25 | nbufe2322230006# | M - Matrix Problem | C++20 (GCC 13-64) | Accepted | 61 ms | 3100 KB |
| 155118045 | Apr/27/2022 15:10 | Chan_shang | M - Matrix Problem | C++17 (GCC 7-32) | Accepted | 31 ms | 800 KB |
| 212011051 | Jul/04/2023 03:49 | zzkzs | M - Matrix Problem | C++17 (GCC 7-32) | Accepted | 46 ms | 2800 KB |
| 123159766 | Jul/21/2021 09:30 | vjudge1 | M - Matrix Problem | GNU C++11 | Accepted | 234 ms | 6900 KB |
| 198745473 | Mar/23/2023 16:22 | czhyyds | M - Matrix Problem | C++17 (GCC 7-32) | Accepted | 62 ms | 700 KB |
| 129901666 | Sep/26/2021 10:05 | godhands | M - Matrix Problem | C++17 (GCC 9-64) | Accepted | 46 ms | 7300 KB |
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