Problem F - Forward and Backward
 
 
 
 
Contest status
 
 
# When Who Problem Lang Verdict Time Memory
229907082 Oct/26/2023 19:59 Radewoosh# F - Forward and Backward C++20 (GCC 11-64) Accepted 171 ms 0 KB
230953561 Nov/02/2023 13:27 go_next# F - Forward and Backward C++20 (GCC 11-64) Accepted 202 ms 100 KB
230145721 Oct/28/2023 12:34 vjudge4 F - Forward and Backward C++20 (GCC 11-64) Accepted 234 ms 100 KB
283446174 Sep/29/2024 02:19 Ivo27 F - Forward and Backward C++17 (GCC 7-32) Accepted 437 ms 100 KB
323251552 Jun/07/2025 15:56 RGB_ICPC1 F - Forward and Backward C++20 (GCC 13-64) Accepted 296 ms 100 KB
289979965 Nov/04/2024 22:07 lucasancruz F - Forward and Backward C++20 (GCC 13-64) Accepted 484 ms 100 KB
232645666 Nov/13/2023 17:44 Serendipity__ F - Forward and Backward C++20 (GCC 11-64) Accepted 187 ms 0 KB
286606979 Oct/18/2024 22:21 laval_kab_niklenge: Aditya_Kumar_2003, Abhi6645, akkafakka# F - Forward and Backward C++17 (GCC 7-32) Accepted 327 ms 100 KB
230382002 Oct/29/2023 17:39 Team_Excalibur: sk_arman, GIVE_UP, Ab.Mahin# F - Forward and Backward C++17 (GCC 7-32) Accepted 499 ms 200 KB
340610965 Sep/26/2025 15:18 vakodola: justVako, gradnos# F - Forward and Backward C++17 (GCC 7-32) Accepted 358 ms 100 KB
344104340 Oct/17/2025 03:05 sunrayito F - Forward and Backward C++23 (GCC 14-64, msys2) Accepted 312 ms 100 KB
323256205 Jun/07/2025 16:40 RGB_ICPC1 F - Forward and Backward C++20 (GCC 13-64) Accepted 296 ms 100 KB
284223325 Oct/03/2024 22:05 TAB: tolittle, arthurqm, mag0# F - Forward and Backward C++20 (GCC 13-64) Accepted 483 ms 1600 KB
248646894 Feb/27/2024 21:09 donbasta# F - Forward and Backward C++20 (GCC 11-64) Accepted 187 ms 100 KB
230341083 Oct/29/2023 12:07 nnsu-?: AlexRoss, quaha, Fraroli# F - Forward and Backward C++20 (GCC 11-64) Accepted 187 ms 100 KB
230697078 Oct/31/2023 17:40 Shbab Zy Alfakha Bs El-Judge Hackha: Eslam.Taha, AbdulazizMohamed, Amrharb# F - Forward and Backward C++20 (GCC 11-64) Accepted 249 ms 2400 KB
229494338 Oct/24/2023 02:36 almeidaraul F - Forward and Backward C++20 (GCC 11-64) Accepted 296 ms 100 KB
373474220 May/04/2026 07:55 lingfeng0505 F - Forward and Backward C++23 (GCC 14-64, msys2) Accepted 312 ms 100 KB
230982266 Nov/02/2023 16:46 Zuqa F - Forward and Backward C++20 (GCC 11-64) Accepted 234 ms 100 KB
251061549 Mar/13/2024 11:53 Lera Retired: Riladavin, Aleks5d, Makcum888# F - Forward and Backward C++17 (GCC 7-32) Accepted 234 ms 200 KB
237214382 Dec/14/2023 14:23 sehikonig F - Forward and Backward C++20 (GCC 11-64) Accepted 171 ms 0 KB
387724655 Aug/19/2026 22:12 Jeank__ F - Forward and Backward C++23 (GCC 14-64, msys2) Accepted 328 ms 100 KB
343920261 Oct/15/2025 21:46 GlenRios F - Forward and Backward C++23 (GCC 14-64, msys2) Accepted 311 ms 100 KB
230334918 Oct/29/2023 11:24 D0pe: Axire, Damirca, anotherworld# F - Forward and Backward C++20 (GCC 11-64) Accepted 156 ms 0 KB
283731119 Sep/30/2024 12:07 Aarush# F - Forward and Backward C++20 (GCC 13-64) Accepted 421 ms 100 KB
327067643 Jul/02/2025 13:33 RGB_ICPC3 F - Forward and Backward C++23 (GCC 14-64, msys2) Accepted 483 ms 100 KB
327067693 Jul/02/2025 13:33 RGB_ICPC3 F - Forward and Backward C++23 (GCC 14-64, msys2) Accepted 296 ms 100 KB
290195822 Nov/06/2024 11:20 noya2# F - Forward and Backward C++20 (GCC 13-64) Accepted 405 ms 100 KB
241149400 Jan/11/2024 13:24 _Guess_My_Name_ F - Forward and Backward C++20 (GCC 11-64) Accepted 187 ms 100 KB
280774207 Sep/11/2024 21:33 hacaravaca F - Forward and Backward C++23 (GCC 14-64, msys2) Accepted 359 ms 100 KB
230803265 Nov/01/2023 13:07 Mtaylor# F - Forward and Backward C++17 (GCC 7-32) Accepted 46 ms 100 KB
279398799 Sep/03/2024 03:45 segusantos F - Forward and Backward C++20 (GCC 13-64) Accepted 233 ms 100 KB
345732048 Oct/25/2025 13:55 PW TODO: piwo144, bapukss, Karol_programista# F - Forward and Backward C++17 (GCC 7-32) Accepted 342 ms 100 KB
230357739 Oct/29/2023 14:30 UNN negative 1: MuUJa, mishaizlesa, mada40# F - Forward and Backward C++20 (GCC 11-64) Accepted 218 ms 0 KB
229615920 Oct/24/2023 22:34 Drurpp F - Forward and Backward C++20 (GCC 11-64) Accepted 171 ms 0 KB
230350050 Oct/29/2023 13:19 NNSU: Alexey Sergeevich: Artem_Sukharev, RabbitPower# F - Forward and Backward C++20 (GCC 11-64) Accepted 218 ms 0 KB
230093978 Oct/28/2023 03:00 Fancy Time: _noname, VitaLemonTea, crimSurfer22# F - Forward and Backward C++17 (GCC 7-32) Accepted 46 ms 1600 KB
229874147 Oct/26/2023 16:33 Airths F - Forward and Backward C++20 (GCC 11-64) Accepted 218 ms 100 KB
269190518 Jul/07/2024 12:50 Abi, i have no idea: WhiplashX, China001, is_i# F - Forward and Backward C++20 (GCC 13-64) Accepted 390 ms 100 KB
347822511 Nov/07/2025 07:13 Mark023 F - Forward and Backward C++23 (GCC 14-64, msys2) Accepted 171 ms 0 KB
279398690 Sep/03/2024 03:42 segusantos F - Forward and Backward C++20 (GCC 13-64) Accepted 218 ms 100 KB
326992640 Jul/01/2025 22:11 ratatouille99 F - Forward and Backward C++20 (GCC 13-64) Accepted 296 ms 100 KB
232553513 Nov/12/2023 22:51 abderrahmane18 F - Forward and Backward C++14 (GCC 6-32) Accepted 109 ms 78500 KB
300332526 Jan/10/2025 01:08 vjudge4 F - Forward and Backward C++20 (GCC 13-64) Accepted 280 ms 100 KB
234732483 Nov/28/2023 13:16 CtrlShiftDefeat: SanathSalampuria, 431jericho, Kev2103# F - Forward and Backward C++20 (GCC 11-64) Accepted 202 ms 100 KB
232494944 Nov/12/2023 14:16 English name: zwu2021016339, Karrrrrr, OLGA233# F - Forward and Backward C++20 (GCC 11-64) Accepted 78 ms 23500 KB
288814405 Oct/30/2024 00:37 UMD Red (Regional edition): misty, Tlatoani# F - Forward and Backward C++23 (GCC 14-64, msys2) Accepted 281 ms 100 KB
232495067 Nov/12/2023 14:17 English name: zwu2021016339, Karrrrrr, OLGA233# F - Forward and Backward C++20 (GCC 11-64) Accepted 62 ms 23500 KB
300334479 Jan/10/2025 02:23 jluis F - Forward and Backward C++20 (GCC 13-64) Accepted 249 ms 100 KB
382756625 Jul/15/2026 11:04 Guten Morgen: Tadashii74, ahmedalaa22# F - Forward and Backward C++23 (GCC 14-64, msys2) Accepted 281 ms 100 KB
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