Status - 2020-2021 ICPC NERC (NEERC), North-Western Russia Regional Contest (Northern Subregionals)

2020-2021 ICPC NERC (NEERC), North-Western Russia Regional Contest (Northern Subregionals)
Finished

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Host city: St Petersburg Host universities: St Petersburg ITMO University, St Petersburg State University Participating regions: the Archangel Region, the Republic of Karelia, the Leningrad Region, the Murmansk Region, the Novgorod Region, the Pskov Region, the city of federal importance Saint Petersburg.

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Problem K - Keys and Locks Boolean Logic

Contest status

#	When	Who	Problem	Lang	Verdict	Time	Memory
178784984	Nov/01/2022 11:54	SPb ITMO: Insert your name (Korobkov, Naumov, Budin)	K - Keys and Locks Boolean Logic	Unknown	Accepted	0 ms	0 KB
178785361	Nov/01/2022 11:54	St. Petersburg SU: LOUD Enough (Bochkov, Gaevoi, Makarov)	K - Keys and Locks Boolean Logic	Unknown	Accepted	0 ms	0 KB
178785794	Nov/01/2022 11:54	SPb HSE: 1 Lemon Tree (Makhnev, Alferov, Surkov)	K - Keys and Locks Boolean Logic	Unknown	Accepted	0 ms	0 KB
178786094	Nov/01/2022 11:54	St. Petersburg SU: 21 (Filippov, Milshin, Fedorov)	K - Keys and Locks Boolean Logic	Unknown	Accepted	0 ms	0 KB
178786375	Nov/01/2022 11:54	SPb ITMO: Cataleptodius (Oreshin, Nagibin, Ibraev)	K - Keys and Locks Boolean Logic	Unknown	Accepted	0 ms	0 KB
178786467	Nov/01/2022 11:54	St. Petersburg SU: Cheba Kings (Ivanov, Grigoryev, Efremov)	K - Keys and Locks Boolean Logic	Unknown	Accepted	0 ms	0 KB
226810125	Oct/06/2023 05:12	maxplus	K - Keys and Locks Boolean Logic	PyPy 3	Accepted	592 ms	12700 KB
226880875	Oct/06/2023 16:31	maxplus	K - Keys and Locks Boolean Logic	Python 3	Accepted	233 ms	1200 KB
226883355	Oct/06/2023 16:49	maxplus	K - Keys and Locks Boolean Logic	Python 3	Accepted	46 ms	400 KB
226810110	Oct/06/2023 05:12	maxplus	K - Keys and Locks Boolean Logic	PyPy 3	Accepted	639 ms	11700 KB
215280128	Jul/24/2023 02:30	rehabzaky093	K - Keys and Locks Boolean Logic	PyPy 3	Accepted	311 ms	9600 KB
214685245	Jul/21/2023 05:17	Li-Da	K - Keys and Locks Boolean Logic	PyPy 3	Accepted	327 ms	9600 KB
231522694	Nov/06/2023 02:31	ksun48	K - Keys and Locks Boolean Logic	PyPy 3-64	Accepted	358 ms	21800 KB
353511440	Dec/15/2025 04:09	Zachary_Gao	K - Keys and Locks Boolean Logic	PyPy 3-64	Accepted	1046 ms	21600 KB
353511872	Dec/15/2025 04:24	Zachary_Gao	K - Keys and Locks Boolean Logic	PyPy 3-64	Accepted	1125 ms	21100 KB
296354383	Dec/14/2024 01:04	Joacoini	K - Keys and Locks Boolean Logic	C++20 (GCC 13-64)	Accepted	62 ms	100 KB
184464118	Dec/09/2022 16:35	triple_dogs: Roundgod, gisp_zjz, triple__a^#	K - Keys and Locks Boolean Logic	C++20 (GCC 11-64)	Accepted	15 ms	100 KB
179077303	Nov/03/2022 17:04	apia^#	K - Keys and Locks Boolean Logic	C++20 (GCC 11-64)	Accepted	31 ms	1700 KB
197596601	Mar/16/2023 09:08	Onjo	K - Keys and Locks Boolean Logic	C++17 (GCC 9-64)	Accepted	15 ms	1200 KB
215280171	Jul/24/2023 02:31	larrypage	K - Keys and Locks Boolean Logic	C++17 (GCC 7-32)	Accepted	15 ms	1300 KB
194175872	Feb/19/2023 03:30	meiron03	K - Keys and Locks Boolean Logic	PyPy 3	Accepted	623 ms	13500 KB
293157096	Nov/25/2024 01:55	k1r1t0	K - Keys and Locks Boolean Logic	C++20 (GCC 13-64)	Accepted	77 ms	100 KB
182437396	Nov/25/2022 11:36	noimi	K - Keys and Locks Boolean Logic	C++20 (GCC 11-64)	Accepted	15 ms	200 KB
181400241	Nov/18/2022 13:09	foreverlasting	K - Keys and Locks Boolean Logic	C++20 (GCC 11-64)	Accepted	46 ms	200 KB
181399993	Nov/18/2022 13:06	HorizonWind	K - Keys and Locks Boolean Logic	C++14 (GCC 6-32)	Accepted	46 ms	600 KB
195100448	Feb/27/2023 10:47	lucyanna2018	K - Keys and Locks Boolean Logic	C++20 (GCC 11-64)	Accepted	15 ms	900 KB
362081188	Feb/09/2026 08:52	Alex2025_qwq	K - Keys and Locks Boolean Logic	C++23 (GCC 14-64, msys2)	Accepted	46 ms	100 KB
193806410	Feb/16/2023 12:21	Kubic^#	K - Keys and Locks Boolean Logic	C++17 (GCC 9-64)	Accepted	15 ms	100 KB
269752867	Jul/10/2024 18:19	gustavocruz	K - Keys and Locks Boolean Logic	C++20 (GCC 13-64)	Accepted	62 ms	100 KB
217975884	Aug/09/2023 10:35	vjudge5	K - Keys and Locks Boolean Logic	C++17 (GCC 7-32)	Accepted	31 ms	500 KB
226368621	Oct/03/2023 06:24	Marckess	K - Keys and Locks Boolean Logic	C++20 (GCC 11-64)	Accepted	15 ms	300 KB
328714979	Jul/13/2025 00:20	Segfault Go BRRRR: TheRedstar, BLOBVISGOD, jeroenodb^#	K - Keys and Locks Boolean Logic	C++23 (GCC 14-64, msys2)	Accepted	77 ms	100 KB
217969632	Aug/09/2023 09:43	vjudge1	K - Keys and Locks Boolean Logic	C++20 (GCC 11-64)	Accepted	15 ms	0 KB
187064654	Dec/28/2022 20:38	Markadiusz	K - Keys and Locks Boolean Logic	C++20 (GCC 11-64)	Accepted	15 ms	400 KB
218008433	Aug/09/2023 14:50	vjudge1	K - Keys and Locks Boolean Logic	C++14 (GCC 6-32)	Accepted	62 ms	600 KB
218008275	Aug/09/2023 14:49	wangyx	K - Keys and Locks Boolean Logic	C++17 (GCC 7-32)	Accepted	46 ms	600 KB
259003633	May/01/2024 15:00	qiuzx	K - Keys and Locks Boolean Logic	C++20 (GCC 13-64)	Accepted	62 ms	100 KB
333248376	Aug/10/2025 11:37	kohlaaaa	K - Keys and Locks Boolean Logic	C++20 (GCC 13-64)	Accepted	62 ms	0 KB
346067533	Oct/27/2025 21:04	TheOnesWhoKnock: Trollbert, Gheal, andrei_boaca^#	K - Keys and Locks Boolean Logic	C++20 (GCC 13-64)	Accepted	77 ms	100 KB
263636920	Jun/01/2024 16:40	kobor	K - Keys and Locks Boolean Logic	C++20 (GCC 13-64)	Accepted	77 ms	100 KB
181079029	Nov/15/2022 14:35	jiangly	K - Keys and Locks Boolean Logic	C++20 (GCC 11-64)	Accepted	15 ms	1100 KB
187725102	Jan/03/2023 17:06	Asymmetry	K - Keys and Locks Boolean Logic	C++17 (GCC 9-64)	Accepted	15 ms	400 KB
184384032	Dec/08/2022 21:24	UW1: tnowak, Asymmetry, Markadiusz^#	K - Keys and Locks Boolean Logic	C++17 (GCC 9-64)	Accepted	31 ms	500 KB
184158009	Dec/07/2022 05:36	Swistakk	K - Keys and Locks Boolean Logic	C++20 (GCC 11-64)	Accepted	15 ms	100 KB
218465617	Aug/12/2023 12:49	JYJin	K - Keys and Locks Boolean Logic	C++20 (GCC 11-64)	Accepted	15 ms	0 KB
291522637	Nov/15/2024 07:15	platter	K - Keys and Locks Boolean Logic	C++17 (GCC 7-32)	Accepted	687 ms	100 KB
391580217	Sep/22/2026 03:06	_icy_	K - Keys and Locks Boolean Logic	C++23 (GCC 14-64, msys2)	Accepted	46 ms	0 KB
391709151	Sep/22/2026 23:35	_icy_	K - Keys and Locks Boolean Logic	C++23 (GCC 14-64, msys2)	Accepted	46 ms	0 KB
391579666	Sep/22/2026 02:39	_icy_	K - Keys and Locks Boolean Logic	C++23 (GCC 14-64, msys2)	Accepted	46 ms	0 KB
391579832	Sep/22/2026 02:46	_icy_	K - Keys and Locks Boolean Logic	C++23 (GCC 14-64, msys2)	Accepted	46 ms	0 KB

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