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→ 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 A - 签到啦~
Contest status
| # | When | Who | Problem | Lang | Verdict | Time | Memory |
|---|---|---|---|---|---|---|---|
| 222031535 | Sep/06/2023 11:09 | lance_lottt | A - 签到啦~ | Python 3 | Accepted | 30 ms | 100 KB |
| 201651253 | Apr/10/2023 14:27 | charlieC2000 | A - 签到啦~ | PyPy 3-64 | Accepted | 61 ms | 1800 KB |
| 347091373 | Nov/02/2025 14:22 | imraquibe | A - 签到啦~ | Python 3 | Accepted | 62 ms | 300 KB |
| 201642751 | Apr/10/2023 13:21 | brokenmyth | A - 签到啦~ | PyPy 3 | Accepted | 109 ms | 1900 KB |
| 201642793 | Apr/10/2023 13:21 | siddharth_warr | A - 签到啦~ | Python 3 | Accepted | 46 ms | 0 KB |
| 232190615 | Nov/10/2023 10:42 | noahadam254 | A - 签到啦~ | Python 3 | Accepted | 46 ms | 100 KB |
| 201659615 | Apr/10/2023 15:27 | hjz | A - 签到啦~ | C++14 (GCC 6-32) | Accepted | 31 ms | 0 KB |
| 202597652 | Apr/18/2023 14:39 | jiudge3 | A - 签到啦~ | C++14 (GCC 6-32) | Accepted | 46 ms | 0 KB |
| 201700536 | Apr/10/2023 20:50 | vastina | A - 签到啦~ | C++20 (GCC 11-64) | Accepted | 31 ms | 900 KB |
| 348108518 | Nov/09/2025 11:43 | cometrueljr1 | A - 签到啦~ | Python 3 | Accepted | 61 ms | 1800 KB |
| 256018934 | Apr/10/2024 18:35 | White-rabbit# | A - 签到啦~ | Python 3 | Accepted | 62 ms | 0 KB |
| 201841777 | Apr/12/2023 17:15 | nforget | A - 签到啦~ | C++20 (GCC 11-64) | Accepted | 31 ms | 400 KB |
| 201642273 | Apr/10/2023 13:17 | dudu666 | A - 签到啦~ | C++20 (GCC 11-64) | Accepted | 46 ms | 3900 KB |
| 201650685 | Apr/10/2023 14:23 | KGD | A - 签到啦~ | C++17 (GCC 7-32) | Accepted | 46 ms | 0 KB |
| 281051353 | Sep/14/2024 03:32 | learningcpython | A - 签到啦~ | PyPy 3-64 | Accepted | 108 ms | 3600 KB |
| 201643053 | Apr/10/2023 13:24 | cangome | A - 签到啦~ | C++14 (GCC 6-32) | Accepted | 46 ms | 0 KB |
| 202593715 | Apr/18/2023 14:02 | jiudge1 | A - 签到啦~ | C++17 (GCC 7-32) | Accepted | 31 ms | 100 KB |
| 201676257 | Apr/10/2023 17:31 | rls | A - 签到啦~ | C++20 (GCC 11-64) | Accepted | 46 ms | 400 KB |
| 201652711 | Apr/10/2023 14:37 | bobojiaran341 | A - 签到啦~ | C++14 (GCC 6-32) | Accepted | 31 ms | 0 KB |
| 201641559 | Apr/10/2023 13:11 | lulumou | A - 签到啦~ | C++14 (GCC 6-32) | Accepted | 31 ms | 0 KB |
| 201642333 | Apr/10/2023 13:18 | BJCQZZ | A - 签到啦~ | C++17 (GCC 7-32) | Accepted | 31 ms | 400 KB |
| 202156713 | Apr/15/2023 08:56 | vjudge2 | A - 签到啦~ | C++20 (GCC 11-64) | Accepted | 46 ms | 400 KB |
| 201649169 | Apr/10/2023 14:12 | nowear | A - 签到啦~ | C++20 (GCC 11-64) | Accepted | 15 ms | 0 KB |
| 201657895 | Apr/10/2023 15:14 | han13 | A - 签到啦~ | C++20 (GCC 11-64) | Accepted | 31 ms | 0 KB |
| 201667325 | Apr/10/2023 16:24 | .dd | A - 签到啦~ | C++20 (GCC 11-64) | Accepted | 31 ms | 2300 KB |
| 215854331 | Jul/27/2023 13:31 | Balio87 | A - 签到啦~ | Python 3 | Accepted | 46 ms | 100 KB |
| 201640555 | Apr/10/2023 13:03 | piwriiPi | A - 签到啦~ | C++17 (GCC 7-32) | Accepted | 15 ms | 3900 KB |
| 201835803 | Apr/12/2023 16:31 | ping0909 | A - 签到啦~ | C++20 (GCC 11-64) | Accepted | 46 ms | 3900 KB |
| 202146915 | Apr/15/2023 07:15 | vjudge1 | A - 签到啦~ | C++17 (GCC 7-32) | Accepted | 31 ms | 100 KB |
| 204188189 | May/02/2023 05:25 | Cy_2010# | A - 签到啦~ | C++14 (GCC 6-32) | Accepted | 46 ms | 0 KB |
| 206302019 | May/18/2023 09:05 | vjudge4 | A - 签到啦~ | C++20 (GCC 11-64) | Accepted | 46 ms | 0 KB |
| 254385359 | Apr/01/2024 09:12 | vjudge.10 | A - 签到啦~ | C++17 (GCC 7-32) | Accepted | 46 ms | 400 KB |
| 291156532 | Nov/12/2024 11:17 | vjudge2 | A - 签到啦~ | C++23 (GCC 14-64, msys2) | Accepted | 62 ms | 0 KB |
| 201647895 | Apr/10/2023 14:02 | AsBefor | A - 签到啦~ | C++17 (GCC 9-64) | Accepted | 46 ms | 0 KB |
| 205288996 | May/10/2023 08:05 | xjl0412# | A - 签到啦~ | C++17 (GCC 7-32) | Accepted | 31 ms | 0 KB |
| 254293348 | Mar/31/2024 14:38 | vjudge3 | A - 签到啦~ | C++20 (GCC 13-64) | Accepted | 46 ms | 800 KB |
| 202592788 | Apr/18/2023 13:53 | jiudge3 | A - 签到啦~ | C++17 (GCC 7-32) | Accepted | 46 ms | 400 KB |
| 201641257 | Apr/10/2023 13:09 | elijjah | A - 签到啦~ | C++20 (GCC 11-64) | Accepted | 31 ms | 400 KB |
| 202602435 | Apr/18/2023 15:20 | jiudge1 | A - 签到啦~ | C++17 (GCC 7-32) | Accepted | 31 ms | 0 KB |
| 209911304 | Jun/17/2023 03:56 | 0xtech-wiz | A - 签到啦~ | PyPy 3-64 | Accepted | 77 ms | 2200 KB |
| 254708301 | Apr/02/2024 15:30 | vjudge.2 | A - 签到啦~ | C++20 (GCC 13-64) | Accepted | 77 ms | 0 KB |
| 201641881 | Apr/10/2023 13:14 | laniser | A - 签到啦~ | C++17 (GCC 7-32) | Accepted | 46 ms | 400 KB |
| 321304773 | May/26/2025 04:01 | molongdadi | A - 签到啦~ | C++23 (GCC 14-64, msys2) | Accepted | 77 ms | 0 KB |
| 201641618 | Apr/10/2023 13:12 | wws20040810 | A - 签到啦~ | C++17 (GCC 7-32) | Accepted | 31 ms | 0 KB |
| 201659451 | Apr/10/2023 15:26 | zyx2003 | A - 签到啦~ | C++14 (GCC 6-32) | Accepted | 46 ms | 3900 KB |
| 202357054 | Apr/16/2023 14:16 | vjudge1 | A - 签到啦~ | C++17 (GCC 7-32) | Accepted | 46 ms | 0 KB |
| 204449970 | May/04/2023 15:09 | C1758570215# | A - 签到啦~ | C++14 (GCC 6-32) | Accepted | 46 ms | 0 KB |
| 201792954 | Apr/12/2023 10:17 | zuqnigha | A - 签到啦~ | C++17 (GCC 7-32) | Accepted | 46 ms | 0 KB |
| 205238295 | May/09/2023 17:37 | QCN_ | A - 签到啦~ | C++20 (GCC 11-64) | Accepted | 46 ms | 0 KB |
| 201649201 | Apr/10/2023 14:12 | AythsrLL | A - 签到啦~ | C++14 (GCC 6-32) | Accepted | 46 ms | 0 KB |
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