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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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Want to solve the contest problems after the official contest ends? Just register for practice and you will be able to submit solutions.
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→ Contest materials
Problem A - stral Reflection
Contest status
| # | When | Who | Problem | Lang | Verdict | Time | Memory |
|---|---|---|---|---|---|---|---|
| 328298808 | Jul/10/2025 01:26 | Yalaaahwy Ctrl Z bsor3a: gom3a_, Uchiha_Ouda, Zeyad_3BcarenO# | A - stral Reflection | C++20 (GCC 13-64) | Accepted | 140 ms | 100 KB |
| 114442631 | Apr/28/2021 14:29 | vjudge3 | A - stral Reflection | C++17 (GCC 7-32) | Accepted | 156 ms | 7800 KB |
| 115676891 | May/08/2021 11:11 | vjudge1 | A - stral Reflection | C++17 (GCC 9-64) | Accepted | 155 ms | 16300 KB |
| 218085715 | Aug/10/2023 02:31 | Dola_ | A - stral Reflection | C++20 (GCC 11-64) | Accepted | 109 ms | 2800 KB |
| 115681094 | May/08/2021 12:02 | vjudge2 | A - stral Reflection | C++14 (GCC 6-32) | Accepted | 124 ms | 7200 KB |
| 225842243 | Sep/30/2023 05:12 | HUSC.GreedForSpeed: Justinianus, Yunannnn, Hazzu# | A - stral Reflection | C++20 (GCC 11-64) | Accepted | 998 ms | 3900 KB |
| 216696493 | Aug/01/2023 13:55 | Few Nits: KhadijaBadrawy, Ahmed_Hosssam# | A - stral Reflection | Java 8 | Accepted | 280 ms | 100 KB |
| 257861415 | Apr/23/2024 16:18 | Kareem Essam haters: MahmoudKhater, SkillZz_# | A - stral Reflection | C++20 (GCC 13-64) | Accepted | 186 ms | 2700 KB |
| 115691437 | May/08/2021 14:07 | PiasRoY | A - stral Reflection | C++14 (GCC 6-32) | Accepted | 124 ms | 7200 KB |
| 204700958 | May/06/2023 09:56 | vjudge4 | A - stral Reflection | C++20 (GCC 11-64) | Accepted | 218 ms | 13300 KB |
| 132155146 | Oct/16/2021 20:38 | vjudge5 | A - stral Reflection | C++17 (GCC 7-32) | Accepted | 156 ms | 5200 KB |
| 205131272 | May/08/2023 17:51 | wtn135687 | A - stral Reflection | C++20 (GCC 11-64) | Accepted | 202 ms | 13300 KB |
| 217035881 | Aug/03/2023 21:55 | but wait theres more: Pandemic, KemoCode, Ahmad45123# | A - stral Reflection | C++20 (GCC 11-64) | Accepted | 93 ms | 4700 KB |
| 257927708 | Apr/24/2024 06:50 | Al-Hassan_Mohamed | A - stral Reflection | C++20 (GCC 13-64) | Accepted | 187 ms | 5300 KB |
| 218034817 | Aug/09/2023 17:52 | الشنيشة: Sa7afy22, Karim53, Zeyad_Farag# | A - stral Reflection | C++20 (GCC 11-64) | Accepted | 93 ms | 1200 KB |
| 258250483 | Apr/26/2024 17:51 | zedanov | A - stral Reflection | C++20 (GCC 13-64) | Accepted | 187 ms | 0 KB |
| 119236313 | Jun/12/2021 13:36 | vjudge3 | A - stral Reflection | C++17 (GCC 7-32) | Accepted | 280 ms | 6300 KB |
| 258037698 | Apr/25/2024 01:33 | TheSleepyDevil | A - stral Reflection | C++17 (GCC 7-32) | Accepted | 358 ms | 125300 KB |
| 119286739 | Jun/13/2021 01:03 | Shefin_ | A - stral Reflection | C++17 (GCC 7-32) | Accepted | 264 ms | 6300 KB |
| 217130190 | Aug/04/2023 17:22 | bezbez: _MASTER__, KenZu, L_7# | A - stral Reflection | C++20 (GCC 11-64) | Accepted | 109 ms | 9400 KB |
| 129768108 | Sep/24/2021 17:24 | guolimin | A - stral Reflection | C++14 (GCC 6-32) | Accepted | 124 ms | 6000 KB |
| 167915517 | Aug/12/2022 00:45 | Rania | A - stral Reflection | C++17 (GCC 9-64) | Accepted | 140 ms | 7100 KB |
| 218143733 | Aug/10/2023 13:22 | Ammar_Hammad | A - stral Reflection | C++20 (GCC 11-64) | Accepted | 93 ms | 1600 KB |
| 257871051 | Apr/23/2024 17:31 | yarb atgawz gm: Mohab, ahmedmagdy112233# | A - stral Reflection | C++20 (GCC 13-64) | Accepted | 640 ms | 122500 KB |
| 328291000 | Jul/09/2025 23:01 | Convex Hell: MUZAN, _SHAHIN, detective...dots# | A - stral Reflection | C++23 (GCC 14-64, msys2) | Accepted | 124 ms | 100 KB |
| 114508778 | Apr/29/2021 10:18 | 我 and I とわたし: buaa-noob, bit-noob, fried-chicken# | A - stral Reflection | GNU C++11 | Accepted | 156 ms | 32100 KB |
| 115690286 | May/08/2021 13:53 | vjudge3 | A - stral Reflection | C++17 (GCC 9-64) | Accepted | 327 ms | 14600 KB |
| 114764981 | May/01/2021 13:22 | Ural FU: Re:Fresh: TheCrawfish, NoSteam909, BdE# | A - stral Reflection | C++17 (GCC 7-32) | Accepted | 124 ms | 3300 KB |
| 204969504 | May/07/2023 15:08 | bb84: Fate_fantasy, 04lrw, SPuppy123# | A - stral Reflection | C++20 (GCC 11-64) | Accepted | 124 ms | 3700 KB |
| 115689451 | May/08/2021 13:43 | vjudge1 | A - stral Reflection | C++17 (GCC 7-32) | Accepted | 530 ms | 7800 KB |
| 115721556 | May/08/2021 19:16 | vjudge1 | A - stral Reflection | C++17 (GCC 7-32) | Accepted | 514 ms | 7800 KB |
| 365468486 | Mar/05/2026 15:29 | yun673 | A - stral Reflection | C++20 (GCC 13-64) | Accepted | 218 ms | 2900 KB |
| 114971716 | May/03/2021 00:55 | mohanraghug | A - stral Reflection | C++17 (GCC 9-64) | Accepted | 233 ms | 1800 KB |
| 257877662 | Apr/23/2024 18:25 | GBA vol.2: Gadallah__, MahmoudBassem# | A - stral Reflection | C++20 (GCC 13-64) | Accepted | 187 ms | 3800 KB |
| 115817654 | May/09/2021 23:22 | vjudge5 | A - stral Reflection | C++17 (GCC 7-32) | Accepted | 592 ms | 7200 KB |
| 115819454 | May/10/2021 00:12 | RAB | A - stral Reflection | C++17 (GCC 7-32) | Accepted | 561 ms | 7200 KB |
| 124942984 | Aug/05/2021 13:01 | practish shesshion: GoatTamer, Electron, Aur_Batao# | A - stral Reflection | C++14 (GCC 6-32) | Accepted | 343 ms | 8100 KB |
| 166603281 | Aug/01/2022 20:07 | SGMmostafa | A - stral Reflection | C++20 (GCC 11-64) | Accepted | 234 ms | 6500 KB |
| 115741058 | May/09/2021 01:02 | vjudge4 | A - stral Reflection | C++17 (GCC 7-32) | Accepted | 514 ms | 5800 KB |
| 138374219 | Dec/07/2021 20:58 | sazidnur | A - stral Reflection | C++17 (GCC 7-32) | Accepted | 514 ms | 2200 KB |
| 115690552 | May/08/2021 13:57 | vjudge5 | A - stral Reflection | C++17 (GCC 7-32) | Accepted | 514 ms | 5800 KB |
| 115725303 | May/08/2021 20:09 | vjudge3 | A - stral Reflection | C++17 (GCC 7-32) | Accepted | 561 ms | 6800 KB |
| 216749224 | Aug/01/2023 20:43 | Gang Of 3: Mohamed_Ahmed, Ahmad_Hoseiny# | A - stral Reflection | Java 8 | Accepted | 249 ms | 0 KB |
| 115672935 | May/08/2021 10:22 | vjudge4 | A - stral Reflection | C++17 (GCC 7-32) | Accepted | 140 ms | 7900 KB |
| 123420588 | Jul/23/2021 13:13 | LNU_NextGen: FEREND, Ebiarat# | A - stral Reflection | C++17 (GCC 9-64) | Accepted | 108 ms | 14500 KB |
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