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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 K - Birdwatching
Contest status
| # | When | Who | Problem | Lang | Verdict | Time | Memory |
|---|---|---|---|---|---|---|---|
| 74000286 | Mar/23/2020 03:02 | CNN: Ahmed_AIansary, Mohammed_Badawi, Evro# | K - Birdwatching | C++17 (GCC 7-32) | Accepted | 108 ms | 13800 KB |
| 82018451 | May/31/2020 10:15 | team_tsutaj: monkukui0283, TAB_0905, rsk0315# | K - Birdwatching | C++17 (GCC 9-64) | Accepted | 187 ms | 16200 KB |
| 122184414 | Jul/12/2021 11:08 | Skeef79 | K - Birdwatching | C++17 (GCC 7-32) | Accepted | 966 ms | 14200 KB |
| 167391668 | Aug/07/2022 15:04 | Moscow SU: NoNames v3: Andreikkaa, SendThemToHell, SashaKashina# | K - Birdwatching | C++20 (GCC 11-64) | Accepted | 93 ms | 17100 KB |
| 172915109 | Sep/21/2022 11:04 | vjudge5 | K - Birdwatching | C++17 (GCC 9-64) | Accepted | 93 ms | 35100 KB |
| 172915020 | Sep/21/2022 11:03 | vjudge2 | K - Birdwatching | C++20 (GCC 11-64) | Accepted | 78 ms | 35100 KB |
| 94899362 | Oct/08/2020 12:27 | Kazan FU: Summertime: AcidWrongGod, lessmeaning, Ferume# | K - Birdwatching | C++14 (GCC 6-32) | Accepted | 93 ms | 12400 KB |
| 360282160 | Jan/28/2026 12:32 | ZiadMontaser | K - Birdwatching | C++20 (GCC 13-64) | Accepted | 140 ms | 12600 KB |
| 343976033 | Oct/16/2025 10:14 | Nyatl# | K - Birdwatching | C++23 (GCC 14-64, msys2) | Accepted | 187 ms | 13200 KB |
| 172924000 | Sep/21/2022 12:46 | zstu20quchenghao | K - Birdwatching | C++20 (GCC 11-64) | Accepted | 108 ms | 35100 KB |
| 78509806 | Apr/29/2020 21:57 | saurabh0611 | K - Birdwatching | Java 11 | Accepted | 467 ms | 49100 KB |
| 111295304 | Mar/28/2021 19:17 | awoo# | K - Birdwatching | C++14 (GCC 6-32) | Accepted | 62 ms | 3900 KB |
| 93398835 | Sep/21/2020 14:14 | MNNU: Carered, SmartvV, GsjzTle# | K - Birdwatching | GNU C++11 | Accepted | 140 ms | 21700 KB |
| 184313510 | Dec/08/2022 13:23 | Sute Albastre: ionanghelina, butasebi, Alex18mai# | K - Birdwatching | C++17 (GCC 7-32) | Accepted | 109 ms | 14300 KB |
| 70647557 | Feb/09/2020 17:35 | GangBand: dendi239, Eikgrim, viskonsin# | K - Birdwatching | C++17 (GCC 7-32) | Accepted | 93 ms | 4000 KB |
| 151169334 | Mar/27/2022 20:07 | SalChiCherny: Chino2000, sebach, gastisalgado# | K - Birdwatching | C++17 (GCC 7-32) | Accepted | 2277 ms | 16700 KB |
| 105064502 | Jan/22/2021 15:53 | vjudge5 | K - Birdwatching | GNU C++11 | Accepted | 343 ms | 4200 KB |
| 117977401 | May/31/2021 13:16 | TSUKIKO_TSUTSUKAKUSHI: _su1sen, TsukikoTsutsukakushi, habara-k# | K - Birdwatching | C++17 (GCC 9-64) | Accepted | 77 ms | 16000 KB |
| 192996405 | Feb/10/2023 01:32 | vjudge4 | K - Birdwatching | C++17 (GCC 7-32) | Accepted | 312 ms | 10900 KB |
| 349617449 | Nov/18/2025 20:51 | arvindf232# | K - Birdwatching | Kotlin 2.2 | Accepted | 249 ms | 1900 KB |
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