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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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→ Contest materials
Problem I - Happy Telephones
Contest status
| # | When | Who | Problem | Lang | Verdict | Time | Memory |
|---|---|---|---|---|---|---|---|
| 86033161 | Jul/05/2020 10:25 | vjudge1 | I - Happy Telephones | C++14 (GCC 6-32) | Accepted | 358 ms | 3700 KB |
| 78784159 | May/02/2020 08:35 | vjudge4 | I - Happy Telephones | C++17 (GCC 7-32) | Accepted | 374 ms | 23500 KB |
| 78789978 | May/02/2020 09:52 | vjudge1 | I - Happy Telephones | GNU C++11 | Accepted | 46 ms | 100 KB |
| 110864481 | Mar/24/2021 09:08 | vjudge1 | I - Happy Telephones | C++17 (GCC 7-32) | Accepted | 77 ms | 100 KB |
| 70930775 | Feb/13/2020 08:01 | vjudge1 | I - Happy Telephones | C++14 (GCC 6-32) | Accepted | 62 ms | 100 KB |
| 70939896 | Feb/13/2020 11:00 | vjudge4 | I - Happy Telephones | C++14 (GCC 6-32) | Accepted | 77 ms | 100 KB |
| 70484417 | Feb/07/2020 09:57 | vjudge3 | I - Happy Telephones | C++14 (GCC 6-32) | Accepted | 77 ms | 100 KB |
| 78789757 | May/02/2020 09:49 | vjudge3 | I - Happy Telephones | MS C++ 2017 | Accepted | 217 ms | 100 KB |
| 78786581 | May/02/2020 09:09 | vjudge3 | I - Happy Telephones | GNU C++11 | Accepted | 186 ms | 100 KB |
| 88409009 | Jul/30/2020 09:45 | George_el_barbaro | I - Happy Telephones | C++17 (GCC 9-64) | Accepted | 373 ms | 4500 KB |
| 110862564 | Mar/24/2021 08:37 | vjudge5 | I - Happy Telephones | C++17 (GCC 7-32) | Accepted | 108 ms | 200 KB |
| 112597144 | Apr/11/2021 07:00 | vjudge3 | I - Happy Telephones | GNU C++11 | Accepted | 483 ms | 100 KB |
| 69478344 | Jan/24/2020 19:54 | vjudge5 | I - Happy Telephones | C++17 (GCC 7-32) | Accepted | 374 ms | 800 KB |
| 110866207 | Mar/24/2021 09:32 | vjudge3 | I - Happy Telephones | C++17 (GCC 9-64) | Accepted | 62 ms | 300 KB |
| 112642633 | Apr/11/2021 13:46 | vjudge2 | I - Happy Telephones | GNU C++11 | Accepted | 483 ms | 200 KB |
| 343029328 | Oct/10/2025 21:47 | ITBlockZ | I - Happy Telephones | C++17 (GCC 7-32) | Accepted | 374 ms | 0 KB |
| 86316817 | Jul/09/2020 07:02 | nhinehehe123 | I - Happy Telephones | C++17 (GCC 9-64) | Accepted | 46 ms | 4400 KB |
| 82425087 | Jun/03/2020 21:06 | Toka vs Desalojados: Dayllon, Rafaelcs# | I - Happy Telephones | C++17 (GCC 7-32) | Accepted | 61 ms | 800 KB |
| 86352747 | Jul/09/2020 16:32 | no comment: seagulls, GXGXGGX, Spacemaker# | I - Happy Telephones | GNU C++11 | Accepted | 498 ms | 4100 KB |
| 90644788 | Aug/22/2020 04:23 | _gXX | I - Happy Telephones | C++17 (GCC 9-64) | Accepted | 171 ms | 4300 KB |
| 223421928 | Sep/15/2023 04:45 | vjudge5 | I - Happy Telephones | C++17 (GCC 9-64) | Accepted | 358 ms | 300 KB |
| 151383855 | Mar/30/2022 08:56 | khanhvinh9# | I - Happy Telephones | C++17 (GCC 7-32) | Accepted | 358 ms | 100 KB |
| 252713137 | Mar/22/2024 13:24 | DonMichael | I - Happy Telephones | C++17 (GCC 7-32) | Accepted | 78 ms | 100 KB |
| 86035315 | Jul/05/2020 10:57 | vjudge3 | I - Happy Telephones | C++14 (GCC 6-32) | Accepted | 62 ms | 3700 KB |
| 82428324 | Jun/03/2020 21:56 | Leandro in the Jungle: leandrov, gustavoleal# | I - Happy Telephones | C++17 (GCC 7-32) | Accepted | 93 ms | 200 KB |
| 69239904 | Jan/21/2020 14:01 | ks9509# | I - Happy Telephones | C++14 (GCC 6-32) | Accepted | 77 ms | 500 KB |
| 70481587 | Feb/07/2020 09:07 | vjudge5 | I - Happy Telephones | C++17 (GCC 7-32) | Accepted | 62 ms | 300 KB |
| 96950640 | Oct/28/2020 05:33 | vjudge5 | I - Happy Telephones | GNU C++11 | Accepted | 31 ms | 0 KB |
| 112653751 | Apr/11/2021 15:45 | vjudge5 | I - Happy Telephones | GNU C++11 | Accepted | 46 ms | 0 KB |
| 180058674 | Nov/08/2022 11:55 | vjudge4 | I - Happy Telephones | C++14 (GCC 6-32) | Accepted | 374 ms | 300 KB |
| 78800839 | May/02/2020 12:06 | vjudge1 | I - Happy Telephones | C++14 (GCC 6-32) | Accepted | 389 ms | 300 KB |
| 87735393 | Jul/23/2020 08:32 | HFUU_magician: hfuuzjj, foreversyty, whonb# | I - Happy Telephones | C++14 (GCC 6-32) | Accepted | 389 ms | 3900 KB |
| 180042366 | Nov/08/2022 09:21 | Saika_ | I - Happy Telephones | C++17 (GCC 7-32) | Accepted | 373 ms | 300 KB |
| 310536664 | Mar/14/2025 12:25 | CtrlAlt | I - Happy Telephones | C++23 (GCC 14-64, msys2) | Accepted | 358 ms | 0 KB |
| 78790659 | May/02/2020 10:01 | vjudge3 | I - Happy Telephones | MS C++ 2017 | Accepted | 264 ms | 100 KB |
| 362887460 | Feb/14/2026 13:02 | CtrlAlt | I - Happy Telephones | C++23 (GCC 14-64, msys2) | Accepted | 359 ms | 0 KB |
| 86345935 | Jul/09/2020 14:56 | NoErrors: zhangjinsheng, XueYT, crystalmana# | I - Happy Telephones | C++14 (GCC 6-32) | Accepted | 389 ms | 3800 KB |
| 88554238 | Jul/31/2020 06:58 | yollotlfe | I - Happy Telephones | GNU C++11 | Accepted | 483 ms | 4100 KB |
| 70486104 | Feb/07/2020 10:27 | vjudge4 | I - Happy Telephones | MS C++ | Accepted | 77 ms | 100 KB |
| 70930467 | Feb/13/2020 07:54 | vjudge4 | I - Happy Telephones | GNU C++11 | Accepted | 62 ms | 1600 KB |
| 112654086 | Apr/11/2021 15:48 | summer0715 | I - Happy Telephones | C++17 (GCC 7-32) | Accepted | 62 ms | 100 KB |
| 96844045 | Oct/27/2020 12:50 | CheckCheck007 | I - Happy Telephones | C++14 (GCC 6-32) | Accepted | 93 ms | 500 KB |
| 71211549 | Feb/16/2020 12:18 | vjudge4 | I - Happy Telephones | GNU C++11 | Accepted | 61 ms | 200 KB |
| 88171711 | Jul/28/2020 07:53 | vjudge4 | I - Happy Telephones | GNU C++11 | Accepted | 202 ms | 3900 KB |
| 223423789 | Sep/15/2023 05:25 | vjudge2 | I - Happy Telephones | C++17 (GCC 7-32) | Accepted | 93 ms | 100 KB |
| 90644314 | Aug/22/2020 04:04 | _gXX | I - Happy Telephones | C++17 (GCC 9-64) | Accepted | 171 ms | 4400 KB |
| 110870977 | Mar/24/2021 10:35 | vjudge3 | I - Happy Telephones | GNU C++11 | Accepted | 62 ms | 400 KB |
| 88173921 | Jul/28/2020 08:39 | vjudge4 | I - Happy Telephones | MS C++ 2017 | Accepted | 280 ms | 3700 KB |
| 70483919 | Feb/07/2020 09:49 | vjudge1 | I - Happy Telephones | MS C++ | Accepted | 218 ms | 200 KB |
| 70931491 | Feb/13/2020 08:17 | vjudge1 | I - Happy Telephones | GNU C++11 | Accepted | 46 ms | 3100 KB |
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