Problem F - Forward and Backward
 
 
 
 
Contest status
 
 
# When Who Problem Lang Verdict Time Memory
238081998 Dec/20/2023 03:21 giraffe falls near the tree: ThirteenFrames, edp446, ritakura1# F - Forward and Backward C++20 (GCC 11-64) Accepted 187 ms 100 KB
229860688 Oct/26/2023 15:52 UW15: jabluko# F - Forward and Backward C++17 (GCC 7-32) Accepted 46 ms 7800 KB
229516331 Oct/24/2023 09:27 arns115 F - Forward and Backward C++20 (GCC 11-64) Accepted 187 ms 100 KB
290288932 Nov/06/2024 21:13 platter# F - Forward and Backward C++17 (GCC 7-32) Accepted 358 ms 100 KB
229673783 Oct/25/2023 13:25 Karuna# F - Forward and Backward C++17 (GCC 9-64) Accepted 46 ms 0 KB
230114267 Oct/28/2023 08:55 ECNUCPC: 164ovo, lky233, PKFR4ever# F - Forward and Backward C++14 (GCC 6-32) Accepted 499 ms 15800 KB
229809241 Oct/26/2023 12:45 BRINEMYIDOL: BrineTw, ancuber1031, alexccc# F - Forward and Backward C++20 (GCC 11-64) Accepted 171 ms 100 KB
230979322 Nov/02/2023 16:28 El-Nebo F - Forward and Backward C++17 (GCC 9-64) Accepted 187 ms 100 KB
346365713 Oct/28/2025 21:11 Tiburones cuanticos: mert23, pablomila, Luloide# F - Forward and Backward C++17 (GCC 7-32) Accepted 140 ms 100 KB
230614316 Oct/31/2023 03:55 automac F - Forward and Backward C++20 (GCC 11-64) Accepted 187 ms 0 KB
309258532 Mar/06/2025 22:12 empaktus# F - Forward and Backward C++20 (GCC 13-64) Accepted 265 ms 4000 KB
230621028 Oct/31/2023 05:57 elpepe123 F - Forward and Backward C++20 (GCC 11-64) Accepted 171 ms 0 KB
248879869 Feb/29/2024 14:54 Hamed5001 F - Forward and Backward C++17 (GCC 7-32) Accepted 280 ms 200 KB
272892811 Jul/27/2024 05:43 vjudge.5 F - Forward and Backward C++14 (GCC 6-32) Accepted 421 ms 0 KB
276375028 Aug/14/2024 11:32 FNOIwyhao F - Forward and Backward C++14 (GCC 6-32) Accepted 156 ms 0 KB
229632070 Oct/25/2023 04:22 MidoriFuse F - Forward and Backward C++20 (GCC 11-64) Accepted 218 ms 100 KB
229885087 Oct/26/2023 17:42 ONGEKI girls: Misumi_Ichika, Fujisawa_Saki, Hoshizaki_Emu# F - Forward and Backward C++20 (GCC 11-64) Accepted 171 ms 1900 KB
350167820 Nov/22/2025 11:08 mbhshadow F - Forward and Backward C++23 (GCC 14-64, msys2) Accepted 296 ms 0 KB
229826019 Oct/26/2023 14:13 bigboyy# F - Forward and Backward C++17 (GCC 7-32) Accepted 46 ms 7800 KB
229632961 Oct/25/2023 04:44 fran_belen F - Forward and Backward C++17 (GCC 7-32) Accepted 499 ms 200 KB
272887802 Jul/27/2024 04:42 vjudge.1 F - Forward and Backward C++20 (GCC 13-64) Accepted 93 ms 3200 KB
233673968 Nov/21/2023 13:49 yzz162534 F - Forward and Backward C++14 (GCC 6-32) Accepted 46 ms 15700 KB
334330668 Aug/18/2025 05:20 ntduong09daklak F - Forward and Backward C++23 (GCC 14-64, msys2) Accepted 328 ms 100 KB
229806881 Oct/26/2023 12:24 SergioRt F - Forward and Backward Go Accepted 62 ms 0 KB
302955900 Jan/26/2025 00:09 Mathgic: AngelGL, SJMA_11723, Rolexus# F - Forward and Backward C++23 (GCC 14-64, msys2) Accepted 265 ms 100 KB
350153607 Nov/22/2025 08:58 zhaojunkai F - Forward and Backward C++20 (GCC 13-64) Accepted 328 ms 100 KB
229625918 Oct/25/2023 01:13 Blind F - Forward and Backward C++14 (GCC 6-32) Accepted 124 ms 200 KB
238467714 Dec/23/2023 11:35 srdzzzzz F - Forward and Backward C++17 (GCC 7-32) Accepted 296 ms 200 KB
229993968 Oct/27/2023 13:27 PS akgwi: JooDdae, edenooo, Justice_Hui# F - Forward and Backward C++20 (GCC 11-64) Accepted 171 ms 0 KB
248680032 Feb/28/2024 04:54 Retired Badgers: AquaBlaze, LUL____SEPLED1305, ITHZ# F - Forward and Backward C++20 (GCC 11-64) Accepted 249 ms 100 KB
232030508 Nov/09/2023 10:28 IOS: Onjo, imtore, Serin# F - Forward and Backward C++17 (GCC 7-32) Accepted 62 ms 200 KB
229629993 Oct/25/2023 03:29 felipponn F - Forward and Backward C++17 (GCC 7-32) Accepted 499 ms 200 KB
229644041 Oct/25/2023 08:20 Kitty wants to remake: Solashiro, czswez, MojeDes# F - Forward and Backward C++20 (GCC 11-64) Accepted 218 ms 0 KB
230125495 Oct/28/2023 10:14 vjudge3 F - Forward and Backward C++20 (GCC 11-64) Accepted 171 ms 0 KB
286295453 Oct/17/2024 00:36 arielr.mat F - Forward and Backward C++17 (GCC 7-32) Accepted 405 ms 100 KB
328885006 Jul/14/2025 13:10 khoavo1.010190 F - Forward and Backward C++20 (GCC 13-64) Accepted 296 ms 100 KB
229681507 Oct/25/2023 14:30 ^_^: A.D., Lost-in-Space-Time, AboAbdoMC# F - Forward and Backward C++14 (GCC 6-32) Accepted 312 ms 200 KB
231070681 Nov/03/2023 09:07 Wenzhou Middle School: Forever Young: shb123, oipotato# F - Forward and Backward C++17 (GCC 7-32) Accepted 46 ms 100 KB
279029966 Sep/01/2024 11:43 vjudge4 F - Forward and Backward C++17 (GCC 7-32) Accepted 343 ms 100 KB
230386750 Oct/29/2023 18:19 jotave F - Forward and Backward C++20 (GCC 11-64) Accepted 218 ms 0 KB
230068019 Oct/27/2023 21:39 UCF Apocalypse Attack: ssk4988, Xylenox, marks39# F - Forward and Backward C++20 (GCC 11-64) Accepted 234 ms 100 KB
229833179 Oct/26/2023 14:15 father son uncle: ArminAzimi, Mohammad.H915, parsa333111# F - Forward and Backward C++14 (GCC 6-32) Accepted 312 ms 200 KB
232434343 Nov/11/2023 23:53 pcastro1 F - Forward and Backward C++17 (GCC 7-32) Accepted 312 ms 200 KB
284992837 Oct/09/2024 11:11 Con Forza: greydra_k, astilate, qwerty_po# F - Forward and Backward C++20 (GCC 13-64) Accepted 281 ms 0 KB
272969992 Jul/27/2024 15:04 vjudge1 F - Forward and Backward C++14 (GCC 6-32) Accepted 124 ms 0 KB
314792429 Apr/09/2025 20:36 mfrdbigolin F - Forward and Backward C++20 (GCC 13-64) Accepted 389 ms 100 KB
292445141 Nov/20/2024 11:29 Kindergarten Timelimit: LuCpp, dranjohn, imirdy# F - Forward and Backward C++20 (GCC 13-64) Accepted 296 ms 100 KB
273081111 Jul/28/2024 10:56 I dont have a good name: dhyNightWind0311, chenyifan37# F - Forward and Backward C++20 (GCC 13-64) Accepted 281 ms 0 KB
231283841 Nov/04/2023 09:07 GSYL# F - Forward and Backward C++20 (GCC 11-64) Accepted 171 ms 0 KB
234027039 Nov/24/2023 14:25 Nerovix# F - Forward and Backward C++17 (GCC 7-32) Accepted 296 ms 200 KB
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