Problem G
Weak Vertices — Problem Statistics

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Submissions	15244
Accepted submissions	8982
Submission ratio	58.92%
Authors	7257
Full solves [?]	6933
Full solve Ratio	95.54%

#	User	Runtime	Language	Date
1	Duelene Olson	0.02 s	C#	2016-11-20 04:34:37
2	Firas Al Omary	0.02 s	C#	2017-03-18 21:07:44
3	Erik Nyström	0.02 s	C#	2017-09-03 16:32:26
4	Liam Percy	0.02 s	C#	2018-08-17 20:13:10
5	Amith Kumar Matapady	0.02 s	C#	2019-02-09 20:58:58
6	Thomas Norris	0.02 s	C#	2019-09-27 19:56:57
7	Carl Eriksson	0.02 s	C#	2020-01-15 13:32:03
8	Владимир Хилько	0.02 s	C#	2022-06-02 16:15:59
9	Esty Crow	0.02 s	C#	2022-10-16 06:35:06
10	Andriy Zyevakov	0.03 s	C#	2015-10-21 21:03:20

#	User	Runtime	Language	Date
1	yraten	0.02 s	Common Lisp	2024-04-18 11:03:04

#	User	Runtime	Language	Date
1	Jacob Harris Cryer Kragh	0.05 s	F#	2022-06-11 21:20:01
2	Patrick Bahr	0.06 s	F#	2021-02-20 16:58:40
3	Elias Smedegaard	0.07 s	F#	2023-11-14 15:11:12

#	User	Runtime	Language	Date
1	Luna Johnson	0.01 s	Go	2025-03-25 04:49:38
2	Krzysztof Gibuła	0.02 s	Go	2021-03-26 16:37:49
3	Diego Saldias	0.07 s	Go	2023-10-28 15:48:14
4	Norbert Voelker	0.08 s	Go	2021-04-08 22:35:41
5	Chris Vilches	0.10 s	Go	2021-12-18 12:21:27
6	Jimmy Nejtron	0.13 s	Go	2023-01-10 15:39:39
7	Hidden user	0.14 s	Go	2021-12-16 12:08:02
8	Mohamed Ramrami	0.15 s	Go	2020-05-02 09:18:52
9	Anna Winters	0.18 s	Go	2016-10-15 07:27:46

#	User	Runtime	Language	Date
1	Matthew Johnson	0.00 s	Haskell	2017-02-03 18:33:22
2	Christian Leipe	0.01 s	Haskell	2019-08-19 22:45:26
3	Hidden user	0.01 s	Haskell	2019-08-24 17:54:11
4	Scott Dauer	0.01 s	Haskell	2022-04-02 01:27:36
5	Mansur Ziiatdinov	0.01 s	Haskell	2023-01-18 08:55:24
6	Johan Liesén	0.01 s	Haskell	2024-01-28 02:03:19
7	Peter Deal	0.02 s	Haskell	2016-05-16 15:58:50
8	Brent Yorgey	0.02 s	Haskell	2020-11-23 00:31:14
9	Christopher Whelan	0.02 s	Haskell	2025-01-04 03:32:59
10	Jan Hlavacek	0.03 s	Haskell	2016-11-10 04:51:20

#	User	Runtime	Language	Date
1	Guangyi Zhou	0.04 s	Java	2024-10-25 08:36:19
2	LI JIAJUN	0.04 s	Java	2025-10-24 08:35:07
3	Hidden user	0.05 s	Java	2024-11-20 09:54:39
4	William Brigham	0.06 s	Java	2017-04-24 04:58:13
5	Clement Oh	0.06 s	Java	2022-07-21 18:59:47
6	Lee Jia Yi	0.06 s	Java	2024-03-30 08:13:44
7	Lee Heng Sheng	0.06 s	Java	2024-05-24 09:13:36
8	Goh Hong Wei, Shawn	0.06 s	Java	2024-10-17 12:30:09
9	Blake Hyde	0.07 s	Java	2015-10-04 03:33:34
10	William Fiset	0.07 s	Java	2016-11-25 03:44:13

#	User	Runtime	Language	Date
1	Hidden user	0.06 s	JavaScript (Node.js)	2023-11-20 02:08:04
2	Christopher Churchwell	0.06 s	JavaScript (Node.js)	2023-11-23 16:01:19
3	Gurpartap Singh Bhatti	0.07 s	JavaScript (Node.js)	2019-03-17 19:40:28
4	Karim Dridi	0.12 s	JavaScript (Node.js)	2025-05-16 23:35:17
5	Alexander Park	0.13 s	JavaScript (Node.js)	2023-04-01 09:49:53
6	Lucas Towers	0.43 s	JavaScript (Node.js)	2020-02-01 08:44:10
7	John	0.43 s	JavaScript (Node.js)	2020-07-29 12:57:10
8	Khin Nyunt	0.43 s	JavaScript (Node.js)	2021-12-11 14:01:06
9	Chris Wong	0.44 s	JavaScript (Node.js)	2021-02-06 00:21:19
10	Andoko Chandra	0.46 s	JavaScript (Node.js)	2020-10-07 08:51:20

#	User	Runtime	Language	Date
1	Tim Oram	0.01 s	JavaScript (SpiderMonkey)	2016-03-21 02:28:07
2	Bjørn Chr. Soltvedt	0.01 s	JavaScript (SpiderMonkey)	2016-10-30 07:46:13
3	Michael Laszlo	0.02 s	JavaScript (SpiderMonkey)	2016-09-29 16:15:31
4	Spencer Smith	0.02 s	JavaScript (SpiderMonkey)	2017-06-07 23:49:36
5	Peter Menyes	0.03 s	JavaScript (SpiderMonkey)	2021-02-09 21:02:01
6	Nicklas Utgaard	0.03 s	JavaScript (SpiderMonkey)	2021-04-16 22:20:36
7	Jimmy Gustafsson	0.03 s	JavaScript (SpiderMonkey)	2022-08-15 22:33:38
8	Christian Pilegaard Cederquist	0.03 s	JavaScript (SpiderMonkey)	2022-11-05 23:08:24
9	Drake Farrokhi	0.04 s	JavaScript (SpiderMonkey)	2023-11-24 02:56:47
10	Peter Kedemo	0.07 s	JavaScript (SpiderMonkey)	2016-01-11 07:32:17

#	User	Runtime	Language	Date
1	Timothy Gaede	0.77 s	Julia	2024-06-02 06:42:28
2	Danny Robinson	0.86 s	Julia	2023-11-23 08:08:47

#	User	Runtime	Language	Date
1	Adam Rankin	0.26 s	Kotlin	2023-05-05 06:44:54
2	Hidden user	0.27 s	Kotlin	2021-04-29 17:53:49
3	Kyle Laker	0.29 s	Kotlin	2018-02-23 20:24:45
4	Dmitry Shostak	0.29 s	Kotlin	2020-07-16 09:13:17
5	Christian Komusiewicz	0.31 s	Kotlin	2020-12-27 21:50:05
6	Dayan Ruben Gonzalez	0.33 s	Kotlin	2020-09-30 01:09:39
7	Sergey Jakobsen	0.33 s	Kotlin	2021-11-17 21:43:06
8	Troy Warmboe	0.33 s	Kotlin	2023-04-10 21:52:25
9	Hidden user	0.39 s	Kotlin	2020-04-11 23:16:37
10	Deddy Chandra	0.42 s	Kotlin	2023-04-02 15:09:33

#	User	Runtime	Language	Date
1	Shehab Ahmed Hatem	0.01 s	Lua	2023-11-15 13:49:15
2	Peter Hairatidis	0.01 s	Lua	2025-10-28 22:20:53

#	User	Runtime	Language	Date
1	Alfred Morgan	0.01 s	Nim	2025-10-26 09:57:34

#	User	Runtime	Language	Date
1	Fredrik Eriksson	0.01 s	OCaml	2024-10-10 22:00:25

#	User	Runtime	Language	Date
1	Hidden user	0.01 s	Odin	2025-04-22 19:19:11

#	User	Runtime	Language	Date
1	Saito Ta	0.04 s	Perl	2024-03-29 08:08:04

#	User	Runtime	Language	Date
1	Steven D. Wilson	0.01 s	PHP	2016-11-25 16:37:26
2	Renate	0.02 s	PHP	2021-06-27 00:47:49

#	User	Runtime	Language	Date
1	Hakan Kjellerstrand	0.24 s	Prolog	2023-02-22 07:53:49

#	User	Runtime	Language	Date
1	Christofer Ohlsson	0.05 s	Python 2	2015-08-19 08:56:39
2	Nick Wu	0.05 s	Python 2	2015-11-19 20:16:55
3	Denis Godunov	0.05 s	Python 2	2016-02-01 20:56:43
4	Alvaro Silvino	0.05 s	Python 2	2016-04-21 18:05:08
5	Hasan Ramezani	0.05 s	Python 2	2016-10-03 21:57:48
6	Haggai Liu	0.05 s	Python 2	2016-12-23 07:07:42
7	Knut Anders Stokke	0.05 s	Python 2	2017-04-19 20:53:03
8	Kristoffer Lundgren	0.05 s	Python 2	2017-06-07 00:52:44
9	Quoc-Bao Huynh	0.05 s	Python 2	2017-09-24 20:57:41
10	Ismail Tigrek	0.05 s	Python 2	2017-11-06 14:54:32

#	User	Runtime	Language	Date
1	Christian Lindeström	0.02 s	Python 3	2016-10-21 13:17:26
2	David Brink	0.02 s	Python 3	2017-02-16 19:19:46
3	Cian Ruane	0.02 s	Python 3	2017-03-05 20:38:47
4	Evimar Principal de Soto	0.02 s	Python 3	2017-09-13 22:58:01
5	Wenzhang Qian	0.02 s	Python 3	2017-10-11 19:05:43
6	Tiffani Slutsky	0.02 s	Python 3	2017-12-31 00:30:40
7	Cheng Hang	0.02 s	Python 3	2018-01-22 06:17:20
8	James Lawson	0.02 s	Python 3	2018-03-11 11:42:58
9	Sergio Vieri	0.02 s	Python 3	2018-03-30 07:17:21
10	Jakob Israelsen	0.02 s	Python 3	2019-10-30 15:48:22

#	User	Runtime	Language	Date
1	Erik Rydbert	0.04 s	Ruby	2016-07-26 10:50:29
2	Sam Henry	0.04 s	Ruby	2016-10-27 14:52:03
3	Hidden user	0.04 s	Ruby	2017-05-11 20:51:08
4	John Bowers	0.04 s	Ruby	2018-02-20 22:41:41
5	Jason Zareski	0.04 s	Ruby	2018-02-20 23:50:27
6	TobiasZ	0.06 s	Ruby	2022-01-30 15:14:51
7	David Vinje	0.06 s	Ruby	2022-07-26 11:51:49
8	Frederik Petersen	0.07 s	Ruby	2024-04-05 11:33:05
9	Lim Ming Yean	0.21 s	Ruby	2018-12-07 06:56:25

#	User	Runtime	Language	Date
1	Anton J Olsson	0.09 s	TypeScript	2023-08-06 18:00:30

#	User	Runtime	Language	Date
1	Ștefan-Iulian Alecu	0.05 s	Visual Basic	2025-11-02 19:10:17

#	User	Runtime	Language	Date
1	Joe Blower	0.00 s	Zig	2025-05-20 02:45:06
2	Grettir Heimisson	0.00 s	Zig	2025-10-25 14:43:46

#	User	Length	Language	Date
1	Carl Pittenger	217	C	2024-03-31 06:05:28
2	Martin Blom	230	C	2023-10-18 07:39:33
3	Ximun Castoreo	533	C	2020-07-02 15:28:17
4	Matthew Weston	539	C	2021-12-28 16:41:40
5	Anthony Clark	613	C	2017-03-17 19:12:27
6	bun tsai	616	C	2019-11-15 09:30:49
7	Rachel Friederich	635	C	2020-10-24 01:30:17
8	Hamza Chaouki	646	C	2019-11-05 15:24:23
9	Hassan ZEKKOURI	649	C	2019-11-03 21:28:24
10	Olle Eriksson	705	C	2016-11-29 00:13:32

#	User	Length	Language	Date
1	Mikael Palokangas	490	C#	2023-08-08 01:52:09
2	Christian Ramus	725	C#	2023-04-03 20:07:02
3	Thomas Norris	1054	C#	2019-09-27 19:56:57
4	Ryan Hemmila	1082	C#	2019-09-07 22:04:50
5	Leslie Yip	1156	C#	2022-07-08 14:02:22
6	Göran Andersson	1202	C#	2022-05-08 00:29:46
7	Jesper Lundin	1246	C#	2021-10-02 00:45:42
8	jhoan marcos condori humeres	1303	C#	2024-11-18 04:30:40
9	Khin Nyunt	1350	C#	2017-04-09 06:09:26
10	Liam Percy	1381	C#	2018-08-17 20:13:10

#	User	Length	Language	Date
1	a_b__c	332	C++	2021-02-26 08:32:07
2	Sunny Nguyen	420	C++	2018-10-04 09:10:21
3	Dustin Ward	439	C++	2022-09-17 19:37:00
4	Arjo Chakravarty	442	C++	2018-04-05 01:53:25
5	Johan Wind	456	C++	2018-03-20 18:53:04
6	Herman Karlsson	464	C++	2016-01-27 23:55:29
7	Elias Lolck	464	C++	2021-04-09 16:14:05
8	Muamer Parić	469	C++	2019-04-14 10:35:09
9	Shirui Chen	478	C++	2018-07-19 06:01:53
10	Hidden user	479	C++	2025-10-03 04:10:18

#	User	Length	Language	Date
1	yraten	596	Common Lisp	2024-04-18 11:03:04

#	User	Length	Language	Date
1	Jacob Harris Cryer Kragh	960	F#	2022-06-11 21:22:21
2	Elias Smedegaard	1060	F#	2023-11-14 15:11:12
3	Patrick Bahr	2363	F#	2021-02-20 16:58:40

#	User	Length	Language	Date
1	Chris Vilches	596	Go	2021-12-20 10:37:52
2	Hidden user	665	Go	2021-12-16 12:08:02
3	Diego Saldias	736	Go	2023-10-28 15:48:14
4	Jimmy Nejtron	1014	Go	2023-01-10 15:39:39
5	Mohamed Ramrami	1052	Go	2020-05-02 09:18:52
6	Luna Johnson	1068	Go	2025-03-25 04:49:38
7	Krzysztof Gibuła	1160	Go	2021-03-26 16:37:49
8	Norbert Voelker	1274	Go	2021-04-08 22:35:41
9	Anna Winters	1611	Go	2016-10-15 07:27:46

#	User	Length	Language	Date
1	Sebastian Banert	475	Haskell	2023-04-01 00:50:37
2	Johan Liesén	608	Haskell	2024-01-28 02:03:19
3	Tim Put	620	Haskell	2021-11-10 04:10:43
4	Hidden user	631	Haskell	2019-08-24 17:54:11
5	Peter Deal	653	Haskell	2016-05-16 15:58:50
6	Christopher Whelan	713	Haskell	2025-01-04 03:32:59
7	Shing Tak Lam	760	Haskell	2021-09-08 19:18:34
8	Håkon Flatval	767	Haskell	2018-09-08 06:46:21
9	Andrés Marzal Varó	980	Haskell	2020-10-11 20:43:02
10	Rudy Matela	1003	Haskell	2024-04-03 13:30:25

#	User	Length	Language	Date
1	Neo Wei Jun Samuel	399	Java	2025-03-24 09:10:07
2	Oliver Kong Tim Lok	402	Java	2024-10-25 07:12:31
3	Jeremy Lim	404	Java	2023-10-27 17:16:12
4	Doug Goodman	612	Java	2018-06-13 20:59:34
5	Zac Hays	649	Java	2022-03-22 19:41:46
6	Brennan Cleland	688	Java	2022-09-28 02:43:13
7	Zhang Manman	701	Java	2020-03-27 07:55:50
8	Abdullah Al Rafi Mahmud	709	Java	2022-02-08 20:30:12
9	Violet Tan Zi Xin	725	Java	2020-03-27 03:11:27
10	Anass Filali	727	Java	2016-09-24 23:40:31

#	User	Length	Language	Date
1	Alexander Park	852	JavaScript (Node.js)	2023-04-01 09:49:53
2	Christopher Churchwell	1010	JavaScript (Node.js)	2023-11-23 16:01:19
3	Hidden user	1039	JavaScript (Node.js)	2023-11-20 02:08:04
4	Chris Wong	1206	JavaScript (Node.js)	2021-02-06 00:21:19
5	Lucas Towers	1267	JavaScript (Node.js)	2020-02-01 08:44:10
6	Gurpartap Singh Bhatti	1422	JavaScript (Node.js)	2019-03-17 19:57:13
7	Karim Dridi	1459	JavaScript (Node.js)	2025-05-16 23:35:17
8	John	1575	JavaScript (Node.js)	2020-07-29 12:57:10
9	Khin Nyunt	1730	JavaScript (Node.js)	2021-12-11 14:01:06
10	Andoko Chandra	1839	JavaScript (Node.js)	2020-10-07 08:51:20

#	User	Length	Language	Date
1	Christian Pilegaard Cederquist	323	JavaScript (SpiderMonkey)	2022-11-05 23:10:40
2	Peter Kedemo	489	JavaScript (SpiderMonkey)	2016-01-11 07:32:17
3	Peter Menyes	688	JavaScript (SpiderMonkey)	2021-02-09 21:02:01
4	Bjørn Chr. Soltvedt	719	JavaScript (SpiderMonkey)	2016-10-30 07:41:49
5	Michael Laszlo	819	JavaScript (SpiderMonkey)	2016-09-29 16:12:55
6	Jimmy Gustafsson	908	JavaScript (SpiderMonkey)	2022-08-15 22:33:38
7	Drake Farrokhi	976	JavaScript (SpiderMonkey)	2023-11-24 02:56:47
8	Tim Oram	998	JavaScript (SpiderMonkey)	2016-03-21 02:28:07
9	Spencer Smith	1024	JavaScript (SpiderMonkey)	2017-06-07 23:49:36
10	Nicklas Utgaard	1148	JavaScript (SpiderMonkey)	2021-04-16 22:20:36

#	User	Length	Language	Date
1	Danny Robinson	284	Julia	2023-11-23 08:08:47
2	Timothy Gaede	1742	Julia	2024-06-02 06:42:28

#	User	Length	Language	Date
1	Dayan Ruben Gonzalez	466	Kotlin	2020-09-30 01:09:39
2	Christian Komusiewicz	640	Kotlin	2020-12-27 21:50:05
3	Sergey Jakobsen	764	Kotlin	2021-11-17 21:44:47
4	Adam Rankin	817	Kotlin	2023-05-05 06:44:54
5	Troy Warmboe	830	Kotlin	2023-04-10 21:52:25
6	Dmitry Shostak	857	Kotlin	2020-07-16 09:13:17
7	Deddy Chandra	979	Kotlin	2023-04-02 15:09:33
8	Kyle Laker	1000	Kotlin	2018-02-23 20:24:45
9	Hidden user	1130	Kotlin	2021-04-29 17:53:49
10	Chris Johnson	1386	Kotlin	2023-04-22 09:03:39

#	User	Length	Language	Date
1	Shehab Ahmed Hatem	710	Lua	2023-11-15 13:49:15
2	Peter Hairatidis	1263	Lua	2025-10-28 22:20:53

#	User	Length	Language	Date
1	Alfred Morgan	822	Nim	2025-10-26 09:57:34

#	User	Length	Language	Date
1	Fredrik Eriksson	1215	OCaml	2024-10-10 22:00:25

#	User	Length	Language	Date
1	Hidden user	1246	Odin	2025-04-22 19:19:11

#	User	Length	Language	Date
1	Saito Ta	316	Perl	2024-03-29 08:08:04

#	User	Length	Language	Date
1	Steven D. Wilson	787	PHP	2016-11-25 16:37:26
2	Renate	1876	PHP	2021-06-27 00:47:49

#	User	Length	Language	Date
1	Hakan Kjellerstrand	701	Prolog	2023-02-22 07:53:49

#	User	Length	Language	Date
1	Thomas Feld	230	Python 2	2019-08-26 12:11:47
2	Godmar Back	287	Python 2	2019-01-02 21:22:45
3	Neal Zane	355	Python 2	2016-03-11 23:25:53
4	Andreas Björklund	401	Python 2	2019-03-27 20:24:27
5	Johann Ly	406	Python 2	2018-06-13 17:49:21
6	Nick Wu	447	Python 2	2015-11-19 20:16:55
7	Matt Bonsall	451	Python 2	2016-10-11 17:14:58
8	Mathis Hammel	458	Python 2	2017-01-24 00:16:35
9	Lars Åström	465	Python 2	2019-09-26 12:21:50
10	Johan Lyts	487	Python 2	2019-08-11 22:08:16

#	User	Length	Language	Date
1	Kevin Gomez	136	Python 3	2024-11-21 18:31:01
2	Thomas Feld	147	Python 3	2023-05-03 13:37:30
3	Guk Yi Siong	162	Python 3	2024-01-08 16:18:40
4	Benjamin Z White	164	Python 3	2023-04-03 20:56:18
5	Jeremy Lim	172	Python 3	2023-10-27 17:49:21
6	Carl Pittenger	172	Python 3	2024-03-31 05:37:37
7	Cameron Kauffman	183	Python 3	2024-10-18 01:40:30
8	Nguyên Khôi Đỗ	215	Python 3	2025-01-18 15:26:14
9	Dominic Berzin Chua Way Gin	220	Python 3	2025-01-29 05:18:39
10	Rachel Krohn	225	Python 3	2025-03-23 19:57:42

#	User	Length	Language	Date
1	Lim Ming Yean	286	Ruby	2018-12-07 06:56:25
2	Jason Zareski	423	Ruby	2018-02-20 23:50:27
3	John Bowers	443	Ruby	2018-02-20 22:41:41
4	Erik Rydbert	465	Ruby	2016-07-26 10:50:29
5	Frederik Petersen	468	Ruby	2024-04-05 11:33:05
6	Sam Henry	648	Ruby	2016-10-27 14:52:03
7	Hidden user	695	Ruby	2017-05-11 20:51:08
8	David Vinje	744	Ruby	2022-07-26 11:51:49
9	TobiasZ	804	Ruby	2022-01-30 15:14:51

#	User	Length	Language	Date
1	Artur Khuziakhmetov	601	Rust	2023-08-04 07:34:43
2	David Rasch	881	Rust	2020-10-28 09:33:00
3	Simon Grünwald	1139	Rust	2023-07-13 22:39:04
4	Freek van Keulen	1201	Rust	2021-07-13 16:58:06
5	Albert Rise Nielsen	1205	Rust	2020-11-09 15:25:10
6	Pankajkumar Patro	1210	Rust	2024-10-28 16:11:21
7	Henry Jayakusuma	1231	Rust	2020-05-31 07:20:01
8	Samuel Bell	1260	Rust	2023-03-18 16:53:47
9	Emil Dichmann	1272	Rust	2025-08-19 08:24:55
10	David Zacek	1275	Rust	2021-04-08 04:08:31

#	User	Length	Language	Date
1	Anton J Olsson	1258	TypeScript	2023-08-06 18:00:30

#	User	Length	Language	Date
1	Ștefan-Iulian Alecu	480	Visual Basic	2025-11-02 19:10:17

#	User	Length	Language	Date
1	Joe Blower	1992	Zig	2025-05-20 02:45:06
2	Grettir Heimisson	2405	Zig	2025-10-25 14:43:46

Solution running time distribution