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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 C - Check Problems
Contest status
| # | When | Who | Problem | Lang | Verdict | Time | Memory |
|---|---|---|---|---|---|---|---|
| 203516969 | Apr/26/2023 08:45 | vjudge2 | C - Check Problems | C++14 (GCC 6-32) | Accepted | 826 ms | 11700 KB |
| 312186705 | Mar/24/2025 15:07 | qinshengxiaoyuren126 | C - Check Problems | C++17 (GCC 7-32) | Accepted | 717 ms | 7900 KB |
| 271329516 | Jul/19/2024 08:54 | crowdforces | C - Check Problems | C++20 (GCC 13-64) | Accepted | 3249 ms | 7600 KB |
| 174790278 | Oct/06/2022 00:23 | MiinaMagdy# | C - Check Problems | C++20 (GCC 11-64) | Accepted | 1591 ms | 15300 KB |
| 203535032 | Apr/26/2023 12:33 | vjudge5 | C - Check Problems | C++20 (GCC 11-64) | Accepted | 1747 ms | 7800 KB |
| 158941895 | May/31/2022 11:33 | Team 1 in Guangdongbeijiang Middle School: raohanchen, zhaojinjia, yaolibo# | C - Check Problems | C++14 (GCC 6-32) | Accepted | 1029 ms | 7800 KB |
| 158968606 | May/31/2022 14:15 | vjudge5 | C - Check Problems | C++14 (GCC 6-32) | Accepted | 763 ms | 11800 KB |
| 161530864 | Jun/23/2022 10:29 | A flash of inspiration: Shine_Sky, sunshiness, hod_12345# | C - Check Problems | C++14 (GCC 6-32) | Accepted | 701 ms | 11700 KB |
| 158608269 | May/27/2022 14:57 | vjudge5 | C - Check Problems | C++17 (GCC 7-32) | Accepted | 1996 ms | 10100 KB |
| 158902192 | May/30/2022 21:06 | FromHeroToZero | C - Check Problems | C++17 (GCC 7-32) | Accepted | 732 ms | 12000 KB |
| 161535666 | Jun/23/2022 11:28 | AMjieker# | C - Check Problems | C++17 (GCC 7-32) | Accepted | 717 ms | 11800 KB |
| 318894157 | May/09/2025 06:47 | pd135_95 | C - Check Problems | C++17 (GCC 7-32) | Accepted | 765 ms | 8200 KB |
| 158887952 | May/30/2022 18:27 | vjudge4 | C - Check Problems | C++20 (GCC 11-64) | Accepted | 1684 ms | 23500 KB |
| 159263012 | Jun/02/2022 17:49 | vjudge5 | C - Check Problems | C++17 (GCC 7-32) | Accepted | 763 ms | 15700 KB |
| 203518402 | Apr/26/2023 09:04 | vjudge3 | C - Check Problems | C++20 (GCC 11-64) | Accepted | 1731 ms | 7800 KB |
| 158976077 | May/31/2022 15:51 | vjudge4 | C - Check Problems | C++17 (GCC 7-32) | Accepted | 701 ms | 7800 KB |
| 158980302 | May/31/2022 16:41 | vjudge4 | C - Check Problems | C++14 (GCC 6-32) | Accepted | 810 ms | 15700 KB |
| 161599672 | Jun/24/2022 05:27 | luyaxuan | C - Check Problems | C++20 (GCC 11-64) | Accepted | 1606 ms | 11800 KB |
| 312562003 | Mar/26/2025 14:56 | Cocococo520 | C - Check Problems | C++17 (GCC 7-32) | Accepted | 702 ms | 15700 KB |
| 158919576 | May/31/2022 05:08 | KingEngine | C - Check Problems | C++20 (GCC 11-64) | Accepted | 1716 ms | 23500 KB |
| 179443416 | Nov/05/2022 17:18 | vjudge2 | C - Check Problems | C++20 (GCC 11-64) | Accepted | 342 ms | 7800 KB |
| 158597085 | May/27/2022 12:29 | vjudge5 | C - Check Problems | C++17 (GCC 7-32) | Accepted | 763 ms | 7800 KB |
| 223476988 | Sep/15/2023 15:17 | 南烟: beiwwen, NanYanNanChui# | C - Check Problems | C++20 (GCC 11-64) | Accepted | 342 ms | 7800 KB |
| 177434292 | Oct/22/2022 13:51 | JXNUvjudge4 | C - Check Problems | C++14 (GCC 6-32) | Accepted | 686 ms | 7800 KB |
| 197669849 | Mar/16/2023 19:47 | AAB: Belal_Abouraya, algohary, ahmedtawfik# | C - Check Problems | C++20 (GCC 11-64) | Accepted | 389 ms | 11200 KB |
| 162987482 | Jul/06/2022 13:09 | vjudge4 | C - Check Problems | C++20 (GCC 11-64) | Accepted | 389 ms | 11800 KB |
| 164698759 | Jul/18/2022 11:56 | vjudge3 | C - Check Problems | C++14 (GCC 6-32) | Accepted | 701 ms | 7800 KB |
| 165363851 | Jul/23/2022 00:02 | lucca | C - Check Problems | C++17 (GCC 7-32) | Accepted | 748 ms | 11700 KB |
| 158967277 | May/31/2022 14:02 | vjudge5 | C - Check Problems | C++17 (GCC 7-32) | Accepted | 811 ms | 15700 KB |
| 159042728 | May/31/2022 18:34 | vjudge3 | C - Check Problems | C++17 (GCC 9-64) | Accepted | 1497 ms | 7800 KB |
| 181634180 | Nov/19/2022 19:28 | Alfeh | C - Check Problems | C++20 (GCC 11-64) | Accepted | 358 ms | 7800 KB |
| 312562615 | Mar/26/2025 15:00 | Cocococo520 | C - Check Problems | C++17 (GCC 7-32) | Accepted | 749 ms | 15700 KB |
| 166884503 | Aug/04/2022 09:52 | Obj1144 | C - Check Problems | C++17 (GCC 7-32) | Accepted | 748 ms | 19600 KB |
| 367555603 | Mar/21/2026 09:52 | sound-medium521 | C - Check Problems | C++23 (GCC 14-64, msys2) | Accepted | 421 ms | 8100 KB |
| 189453429 | Jan/16/2023 18:59 | beethoven97# | C - Check Problems | PyPy 3-64 | Accepted | 483 ms | 71200 KB |
| 158680844 | May/28/2022 11:35 | foo-ad | C - Check Problems | C++20 (GCC 11-64) | Accepted | 343 ms | 11800 KB |
| 158557740 | May/26/2022 21:21 | akljadsflkjf: akifpatel, ki0apa, jdurie# | C - Check Problems | C++17 (GCC 7-32) | Accepted | 795 ms | 11800 KB |
| 198448080 | Mar/21/2023 09:03 | Welcome the Dragon King: KNGN, Dettow# | C - Check Problems | C++17 (GCC 7-32) | Accepted | 686 ms | 7800 KB |
| 198480937 | Mar/21/2023 14:06 | gamesystem | C - Check Problems | C++17 (GCC 7-32) | Accepted | 686 ms | 7800 KB |
| 312560831 | Mar/26/2025 14:48 | Cocococo520 | C - Check Problems | C++17 (GCC 7-32) | Accepted | 686 ms | 15700 KB |
| 158785447 | May/29/2022 11:49 | vjudge1 | C - Check Problems | C++17 (GCC 7-32) | Accepted | 780 ms | 15700 KB |
| 158381833 | May/25/2022 14:15 | huangzaiyi | C - Check Problems | C++17 (GCC 7-32) | Accepted | 686 ms | 23500 KB |
| 159246097 | Jun/02/2022 14:43 | Fantasyli | C - Check Problems | C++14 (GCC 6-32) | Accepted | 717 ms | 21900 KB |
| 192536062 | Feb/07/2023 00:37 | Pepsi: MarwaMubarak, DohaEmad# | C - Check Problems | C++17 (GCC 7-32) | Accepted | 1980 ms | 7800 KB |
| 158602235 | May/27/2022 13:43 | vjudge4 | C - Check Problems | C++17 (GCC 7-32) | Accepted | 826 ms | 12000 KB |
| 173086446 | Sep/22/2022 19:16 | 做核酸不排队: asoul_ava, cyy_, LinYao# | C - Check Problems | C++17 (GCC 7-32) | Accepted | 780 ms | 11700 KB |
| 167975196 | Aug/12/2022 16:21 | 3ankabota12 | C - Check Problems | C++17 (GCC 7-32) | Accepted | 748 ms | 14300 KB |
| 203229123 | Apr/24/2023 12:30 | helloworld1014# | C - Check Problems | C++17 (GCC 9-64) | Accepted | 670 ms | 11700 KB |
| 158677976 | May/28/2022 10:59 | MIKEFENG | C - Check Problems | C++14 (GCC 6-32) | Accepted | 1091 ms | 15600 KB |
| 158600526 | May/27/2022 13:19 | vjudge3 | C - Check Problems | C++20 (GCC 11-64) | Accepted | 343 ms | 3900 KB |
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