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Problem A - Guards
 
 
 
 
Contest status
 
 
# When Who Problem Lang Verdict Time Memory
253050582 Mar/24/2024 11:30 vjudge.1 A - Guards C++17 (GCC 7-32) Accepted 1964 ms 188800 KB
302157803 Jan/21/2025 04:02 vjudge4 A - Guards C++17 (GCC 7-32) Accepted 1811 ms 251100 KB
302157842 Jan/21/2025 04:02 vjudge2 A - Guards C++17 (GCC 7-32) Accepted 1718 ms 251100 KB
302159701 Jan/21/2025 04:37 vjudge.9 A - Guards C++17 (GCC 7-32) Accepted 1015 ms 188400 KB
334256210 Aug/17/2025 14:44 ling_chen A - Guards C++17 (GCC 7-32) Accepted 406 ms 300 KB
353364869 Dec/13/2025 21:04 taha06 A - Guards C++23 (GCC 14-64, msys2) Accepted 421 ms 200 KB
333002462 Aug/08/2025 14:36 zhuhongye666 A - Guards C++17 (GCC 7-32) Accepted 1218 ms 300 KB
243391119 Jan/26/2024 14:53 Roger_yrj A - Guards C++17 (GCC 9-64) Accepted 483 ms 200 KB
326533461 Jun/29/2025 16:34 vjudge.2 A - Guards C++17 (GCC 7-32) Accepted 1218 ms 188400 KB
238948773 Dec/26/2023 14:59 haizhi_w A - Guards C++20 (GCC 11-64) Accepted 421 ms 1400 KB
333004874 Aug/08/2025 14:57 Zhangyican A - Guards C++17 (GCC 7-32) Accepted 1343 ms 300 KB
302161976 Jan/21/2025 05:12 vjudge3 A - Guards C++20 (GCC 13-64) Accepted 953 ms 188500 KB
302749977 Jan/24/2025 17:07 vjudge.1 A - Guards C++23 (GCC 14-64, msys2) Accepted 374 ms 188400 KB
306986807 Feb/20/2025 14:04 vjudge.4 A - Guards C++20 (GCC 13-64) Accepted 405 ms 200 KB
326238714 Jun/27/2025 10:09 Binhdeptrai A - Guards C++23 (GCC 14-64, msys2) Accepted 593 ms 188400 KB
326214650 Jun/27/2025 06:13 vjudge.3 A - Guards C++17 (GCC 7-32) Accepted 1374 ms 300 KB
221609350 Sep/02/2023 23:03 taha06 A - Guards C++20 (GCC 11-64) Accepted 1747 ms 200 KB
221608714 Sep/02/2023 22:53 taha06 A - Guards C++20 (GCC 11-64) Accepted 1716 ms 200 KB
302703954 Jan/24/2025 09:22 vjudge.1 A - Guards C++23 (GCC 14-64, msys2) Accepted 390 ms 188500 KB
221980796 Sep/05/2023 21:08 taha06 A - Guards C++20 (GCC 11-64) Accepted 358 ms 200 KB
302157655 Jan/21/2025 03:59 vjudge1 A - Guards C++23 (GCC 14-64, msys2) Accepted 468 ms 188400 KB
326485003 Jun/29/2025 09:29 vjudge.3 A - Guards C++17 (GCC 7-32) Accepted 1296 ms 300 KB
191451990 Feb/01/2023 04:37 lucio2010 A - Guards C++14 (GCC 6-32) Accepted 1403 ms 188800 KB
306986628 Feb/20/2025 14:03 xvtianze A - Guards C++20 (GCC 13-64) Accepted 421 ms 200 KB
326214371 Jun/27/2025 06:10 vk_chu_de_anh_lo A - Guards C++17 (GCC 7-32) Accepted 1421 ms 300 KB
191451435 Feb/01/2023 04:26 lwqyll A - Guards C++14 (GCC 6-32) Accepted 951 ms 188700 KB
302159234 Jan/21/2025 04:28 vjudge.1 A - Guards C++17 (GCC 7-32) Accepted 1405 ms 188400 KB
302162014 Jan/21/2025 05:12 vjudge.7 A - Guards C++20 (GCC 13-64) Accepted 437 ms 188400 KB
333084797 Aug/09/2025 07:41 ewufgcecjehcewc123 A - Guards C++17 (GCC 7-32) Accepted 968 ms 188600 KB
375178418 May/19/2026 04:06 SupersonicMan12 A - Guards C++20 (GCC 13-64) Accepted 546 ms 188500 KB
186650492 Dec/25/2022 12:17 neo.ounsopa A - Guards C++17 (GCC 7-32) Accepted 1263 ms 188600 KB
280946844 Sep/13/2024 09:57 Filberte A - Guards C++17 (GCC 7-32) Accepted 1202 ms 200 KB
326241272 Jun/27/2025 10:31 vjudge.9 A - Guards C++17 (GCC 7-32) Accepted 1249 ms 188400 KB
245386144 Feb/07/2024 22:30 Karsa A - Guards C++20 (GCC 11-64) Accepted 483 ms 200 KB
245386305 Feb/07/2024 22:31 Karsa A - Guards C++17 (GCC 7-32) Accepted 1123 ms 200 KB
302713249 Jan/24/2025 11:00 vjudge3 A - Guards C++17 (GCC 7-32) Accepted 1296 ms 188500 KB
302713331 Jan/24/2025 11:01 vjudge.5 A - Guards C++17 (GCC 7-32) Accepted 1296 ms 188500 KB
326474048 Jun/29/2025 06:52 -121 A - Guards C++17 (GCC 7-32) Accepted 1218 ms 300 KB
384743951 Jul/29/2026 13:49 Cheney_guo A - Guards C++17 (GCC 7-32) Accepted 1000 ms 300 KB
264597397 Jun/07/2024 16:13 vjudge2 A - Guards C++17 (GCC 7-32) Accepted 1781 ms 193000 KB
264601588 Jun/07/2024 16:45 vjudge.7 A - Guards C++17 (GCC 7-32) Accepted 1750 ms 188900 KB
397175433 Nov/03/2026 03:32 marscheng A - Guards C++17 (GCC 7-32) Accepted 406 ms 300 KB
376573894 May/30/2026 06:29 Yao_yx A - Guards C++23 (GCC 14-64, msys2) Accepted 453 ms 235500 KB
280932021 Sep/13/2024 06:55 Filberte A - Guards C++17 (GCC 7-32) Accepted 906 ms 235500 KB
216197486 Jul/29/2023 11:56 guoyitao A - Guards C++14 (GCC 6-32) Accepted 1372 ms 188600 KB
302195166 Jan/21/2025 11:13 XiangXunyi A - Guards C++23 (GCC 14-64, msys2) Accepted 484 ms 235500 KB
302160835 Jan/21/2025 04:55 vjudge.5 A - Guards C++20 (GCC 13-64) Accepted 389 ms 188400 KB
302162292 Jan/21/2025 05:17 vjudge3 A - Guards C++20 (GCC 13-64) Accepted 546 ms 188400 KB
302162374 Jan/21/2025 05:18 vjudge2 A - Guards C++20 (GCC 13-64) Accepted 562 ms 188400 KB
333002375 Aug/08/2025 14:35 ciciandy A - Guards C++20 (GCC 13-64) Accepted 1328 ms 188000 KB
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