Problem S
Head Guard

Back to problem description

Problem statistics

Submissions	1390
Accepted submissions	577
Submission ratio	41.51%
Authors	568
Accepted authors	505
Author ratio	88.91%

#	User	Runtime	Date
1	Chenzhang Hu	0.06 s	2023-12-19 15:07:05

#	User	Runtime	Date
1	Mikael Fiala-Lundström	0.02 s	2022-03-12 23:15:06
2	Henrik Hallbert	0.02 s	2022-03-17 09:22:28
3	Göran Andersson	0.02 s	2022-05-19 12:39:40
4	Yuwono Bangun Nagoro	0.02 s	2022-08-16 19:13:40
5	Eric Weiss	0.02 s	2022-09-09 20:50:21
6	Linnea Bergman	0.02 s	2022-09-15 13:54:06
7	Cameron Cunningham	0.02 s	2023-04-03 22:44:41
8	Masroor Aijaz	0.03 s	2024-04-24 10:41:35
9	Junior Quintana	0.04 s	2023-06-24 20:35:52
10	Aman Choudhary	0.05 s	2024-04-25 01:10:10

#	User	Runtime	Date
1	Jacob Harris Cryer Kragh	0.02 s	2022-10-30 15:10:33

#	User	Runtime	Date
1	Norbert Voelker	0.08 s	2022-03-22 00:18:55

#	User	Runtime	Date
1	Ng Tek In	0.00 s	2022-08-16 18:57:24
2	Hidden user	0.00 s	2023-01-03 11:44:19
3	Hidden user	0.01 s	2022-03-05 20:06:59
4	Aaron Lengyel	0.01 s	2022-03-10 09:21:00
5	Brent Yorgey	0.01 s	2022-03-14 04:09:09
6	Zach Tschetter	0.01 s	2022-03-30 07:32:35
7	Steinar Simonnes	0.01 s	2024-03-23 15:05:17

#	User	Runtime	Date
1	Bjørn Dons	0.06 s	2022-03-26 21:27:30
2	Crystal Sharpe	0.06 s	2022-03-29 03:53:24
3	Sven Rönnbäck	0.06 s	2022-05-12 21:12:29
4	Logan Pipes	0.06 s	2022-05-31 00:19:16
5	Sawyer Stanley	0.06 s	2022-05-31 00:29:42
6	Mack Wong Yoong Yee	0.06 s	2024-02-19 16:57:57
7	Stela Palii	0.07 s	2022-03-14 17:09:47
8	Eric Neo	0.08 s	2022-10-19 21:38:41
9	Daniel Westerlund	0.09 s	2022-10-21 02:51:08
10	Lại Thục Uyên	0.09 s	2023-05-20 18:11:56

#	User	Runtime	Date
1	Ahmed Mustafa Malik	0.05 s	2024-04-24 11:05:54
2	Muhammad Fahad	0.05 s	2024-04-24 11:27:21
3	Juthi Sarker Aka	0.05 s	2024-04-27 16:17:00
4	Juthi Sarker Aka	0.05 s	2024-04-27 16:52:01
5	Samuel Högfeldt	0.08 s	2022-08-27 12:47:21
6	Spiros Kalamaris	0.09 s	2023-02-01 18:13:00
7	George Kamtziridis	0.09 s	2023-02-03 10:56:11
8	Ster Sar	0.09 s	2023-02-03 11:37:15
9	Christina Konstantinidou	0.09 s	2023-02-03 12:10:54

#	User	Runtime	Date
1	Bjørn Chr. Soltvedt	0.02 s	2022-03-10 19:09:23
2	Christian Cederquist	0.02 s	2023-01-27 23:06:25

#	User	Runtime	Date
1	Timothy Gaede	0.54 s	2024-04-11 02:04:45
2	Danny Robinson	0.56 s	2023-10-31 15:03:38

#	User	Runtime	Date
1	Zaw Myat	0.19 s	2024-01-14 07:31:42
2	Adam Rankin	0.20 s	2023-04-25 21:23:59
3	Aniket Kumar	0.20 s	2024-04-23 19:17:08

#	User	Runtime	Date
1	Ingemar Ragnemalm	0.00 s	2023-06-08 21:28:31

#	User	Runtime	Date
1	Renate	0.01 s	2022-07-25 23:47:27

#	User	Runtime	Date
1	Andriy Zyevakov	0.02 s	2023-02-08 18:36:05
2	Hakan Kjellerstrand	0.02 s	2023-03-06 19:30:39

#	User	Runtime	Date
1	Yanmarshus Bachtiar	0.03 s	2022-03-12 04:26:54
2	Andreas Björklund	0.03 s	2022-03-13 18:56:34
3	Johan Lyts	0.03 s	2022-03-31 21:49:19
4	Ocram Esah	0.03 s	2022-04-14 11:34:02

#	User	Runtime	Date
1	Suus Brommer	0.04 s	2022-06-05 09:46:05
2	Weiguo Jiang	0.04 s	2022-06-13 03:28:26
3	Peter Stauder	0.04 s	2022-06-17 11:08:19
4	Petr	0.04 s	2022-07-02 20:16:07
5	Kenneth Jensen	0.04 s	2022-07-06 12:13:16
6	Rajul Srivastava	0.04 s	2022-07-16 11:58:37
7	Mukerem Ali	0.04 s	2022-07-19 13:58:15
8	Kefiyalew Kunta	0.04 s	2022-07-19 14:59:06
9	Yeabsra Ayehualem	0.04 s	2022-07-19 17:26:03
10	Kattis Speedrun	0.04 s	2022-07-22 00:55:55

#	User	Runtime	Date
1	Alexander Bilde Pedersen	0.06 s	2023-06-03 23:50:47
2	Thomas Feld	0.07 s	2023-02-09 08:53:37

#	User	Runtime	Date
1	Bas Dirks	0.00 s	2022-03-26 14:40:18
2	David Rasch	0.00 s	2022-04-23 10:18:30
3	Magix	0.00 s	2022-06-25 03:04:36
4	Emil Skydsgaard	0.00 s	2022-07-14 19:49:18

#	User	Length	Date
1	Chenzhang Hu	5	2024-02-03 09:36:56

#	User	Length	Date
1	Matthew Hartono	303	2022-11-07 16:11:03
2	Julian Duniec	311	2023-08-31 14:58:45
3	Martin Stensgård	349	2024-01-20 05:14:52
4	Mikael K Eriksson	402	2022-03-13 22:11:37
5	Leslie Yip	446	2022-09-09 15:46:34
6	Eyleifur Bjarkason	488	2023-07-12 15:08:17
7	Sami Al Chalati	494	2023-08-25 14:00:33
8	Tyler Mulholland	658	2023-08-08 20:46:11
9	Max Nilsson	808	2022-05-04 17:52:45
10	Md Shahab Uddin	1273	2024-04-24 10:19:14

#	User	Length	Date
1	Göran Andersson	641	2022-05-19 12:39:40
2	Cameron Cunningham	791	2023-04-03 22:44:41
3	Eric Weiss	799	2022-09-09 20:50:31
4	Junior Quintana	853	2023-06-24 20:35:52
5	Yuwono Bangun Nagoro	1005	2022-08-16 19:13:40
6	Mikael Fiala-Lundström	1041	2022-03-12 23:15:06
7	Masroor Aijaz	1041	2024-04-24 10:41:35
8	Henrik Hallbert	1056	2022-03-17 09:22:28
9	Aman Choudhary	1610	2024-04-25 01:10:10
10	Linnea Bergman	1908	2022-09-15 13:54:06

#	User	Length	Date
1	鄭宇哲	247	2023-12-24 09:57:47
2	Cheru Turga	252	2022-07-19 16:43:20
3	Abdi Tefera	260	2022-07-23 21:16:00
4	AmineF0	270	2023-02-25 22:39:15
5	Nguyen Tran Huu Duc	281	2022-03-14 12:44:14
6	人外沙耶	294	2023-01-17 14:22:15
7	林育霆	301	2024-02-10 04:38:45
8	Maverick Hartono	305	2022-11-07 15:58:47
9	Alexander Zhang	312	2022-10-08 21:53:35
10	Grae Yeandle	315	2022-03-13 11:56:46

#	User	Length	Date
1	Jacob Harris Cryer Kragh	591	2022-10-30 15:10:33

#	User	Length	Date
1	Norbert Voelker	585	2022-03-22 00:18:55

#	User	Length	Date
1	Zach Tschetter	154	2022-03-30 07:32:35
2	Hidden user	186	2022-03-05 20:06:59
3	Steinar Simonnes	241	2024-03-23 15:06:27
4	Brent Yorgey	312	2022-03-14 04:09:09
5	Ng Tek In	459	2022-08-16 18:57:24
6	Hidden user	565	2023-01-03 11:44:19
7	Aaron Lengyel	728	2022-03-10 09:21:00

#	User	Length	Date
1	John Hershey	282	2023-09-26 18:30:15
2	Evan Magill	303	2023-09-25 17:50:28
3	Crystal Sharpe	488	2022-03-29 03:53:24
4	Kevin Lee	555	2022-03-05 20:52:24
5	Saksham Puri	587	2022-03-05 20:48:34
6	Tan Zi Yang	640	2023-08-28 16:00:46
7	Suhas T. Nagar	645	2022-10-08 21:39:20
8	Marshall D Feng	645	2022-03-27 20:05:42
9	Ryan Hayden	650	2024-01-13 23:49:10
10	Doug Goodman	660	2022-03-10 22:14:01

#	User	Length	Date
1	Muhammad Fahad	482	2024-04-24 11:27:21
2	Ahmed Mustafa Malik	548	2024-04-24 11:05:54
3	Samuel Högfeldt	654	2022-08-27 12:47:21
4	Juthi Sarker Aka	671	2024-04-27 16:17:00
5	Juthi Sarker Aka	671	2024-04-27 16:52:01
6	Spiros Kalamaris	835	2023-02-01 18:13:00
7	George Kamtziridis	894	2023-02-03 10:56:11
8	Christina Konstantinidou	994	2023-02-03 12:10:54
9	Ster Sar	1114	2023-02-03 11:37:15

#	User	Length	Date
1	Christian Cederquist	376	2023-01-27 23:06:25
2	Bjørn Chr. Soltvedt	463	2022-03-11 11:31:33

#	User	Length	Date
1	Danny Robinson	64	2023-10-31 15:03:38
2	Timothy Gaede	615	2024-04-11 02:04:45

#	User	Length	Date
1	Zaw Myat	524	2024-01-14 07:31:42
2	Aniket Kumar	537	2024-04-23 19:17:08
3	Adam Rankin	752	2023-04-25 21:23:59

#	User	Length	Date
1	Ingemar Ragnemalm	334	2023-06-08 21:28:31

#	User	Length	Date
1	Renate	488	2022-07-25 23:47:27

#	User	Length	Date
1	Hakan Kjellerstrand	133	2023-03-06 19:32:25
2	Andriy Zyevakov	369	2023-02-08 18:36:05

#	User	Length	Date
1	Ocram Esah	270	2022-04-14 11:34:02
2	Yanmarshus Bachtiar	289	2022-03-12 04:26:54
3	Johan Lyts	361	2022-03-31 21:49:19
4	Andreas Björklund	376	2022-03-13 18:56:34

#	User	Length	Date
1	Clement Oh	99	2023-05-18 14:19:55
2	Benjamin Z White	109	2023-05-06 14:01:02
3	Christofer Ohlsson	126	2022-09-26 09:01:49
4	Suus Brommer	142	2022-06-05 09:46:05
5	Thomas Feld	146	2022-08-26 10:07:13
6	Karen Birgitta Hanssen	148	2023-04-27 20:10:34
7	Hidden user	155	2022-03-29 08:29:50
8	Jón Steinn Elíasson	165	2022-10-09 22:55:16
9	Simon Baeckelant	173	2024-04-27 10:16:16
10	Caeden Whitaker	182	2022-03-26 13:56:36

#	User	Length	Date
1	Thomas Feld	44	2023-02-09 08:53:37
2	Alexander Bilde Pedersen	215	2023-06-03 23:50:47

#	User	Length	Date
1	Bas Dirks	569	2022-03-26 14:40:18
2	Emil Skydsgaard	677	2022-07-14 19:49:18
3	David Rasch	703	2022-04-23 10:18:30
4	Magix	1012	2022-06-25 03:04:36

Solution running time distribution