Problem A
Cut the Negativity — Problem Statistics

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Submissions	3933
Accepted submissions	2134
Submission ratio	54.26%
Authors	1909
Full solves [?]	1829
Full solve Ratio	95.81%

#	User	Runtime	Language	Date
1	Max NC	0.19 s	APL	2023-03-13 00:53:42
2	Thomas Feld	0.20 s	APL	2023-05-15 14:22:53
3	Steve Allen	0.22 s	APL	2023-05-13 08:04:06
4	Matzuka	0.23 s	APL	2025-03-15 22:44:18
5	Hidden user	0.34 s	APL	2023-03-08 03:55:18

#	User	Runtime	Language	Date
1	Chenzhang Hu	0.08 s	Bash	2024-04-16 16:33:39

#	User	Runtime	Language	Date
1	Ahmet Murat Gençay	0.04 s	C#	2023-09-02 15:24:38
2	Morgan Doyle	0.05 s	C#	2023-03-17 14:37:28
3	Christian Ramus	0.05 s	C#	2023-04-03 17:45:16
4	Jonathan Myrtue Jensen	0.05 s	C#	2023-07-23 20:56:46
5	Ricardo H Guerrero Lara	0.05 s	C#	2023-08-13 19:50:30
6	Jaehoon Son	0.05 s	C#	2023-10-02 01:22:12
7	Steve Williams	0.05 s	C#	2023-11-02 00:59:37
8	Hidden user	0.05 s	C#	2023-11-06 21:35:39
9	Hidden user	0.05 s	C#	2024-04-19 22:23:53
10	Deci Bel	0.05 s	C#	2024-10-25 12:12:46

#	User	Runtime	Language	Date
1	Tobias Glimmerfors	0.06 s	COBOL	2023-08-23 20:50:41

#	User	Runtime	Language	Date
1	Ralf Jonas	0.03 s	Common Lisp	2023-09-08 07:36:52
2	yraten	0.03 s	Common Lisp	2024-04-20 11:59:44

#	User	Runtime	Language	Date
1	Christoforos Pantazi	0.14 s	Dart	2023-09-11 00:20:29

#	User	Runtime	Language	Date
1	Yuen Wei Hao	0.02 s	Fortran	2023-12-28 07:11:52

#	User	Runtime	Language	Date
1	Norbert Voelker	0.05 s	Go	2023-03-04 00:08:59
2	dick move	0.07 s	Go	2023-07-07 20:49:37
3	Ian Howell	0.13 s	Go	2023-03-08 20:03:20
4	Jimmy Nejtron	0.15 s	Go	2023-03-02 09:38:38

#	User	Runtime	Language	Date
1	Øyvind Almli	0.01 s	Haskell	2023-07-10 14:35:55
2	Steinar Simonnes	0.02 s	Haskell	2023-12-06 16:26:20
3	Brent Yorgey	0.03 s	Haskell	2023-02-26 19:19:35
4	Brian Hwang	0.03 s	Haskell	2023-02-26 23:10:21
5	Sebastian Banert	0.03 s	Haskell	2023-03-24 19:02:36
6	Ng Tek In	0.03 s	Haskell	2023-04-04 18:42:39
7	Jan Hrček	0.03 s	Haskell	2023-04-16 19:19:03
8	Matthew A Johnson	0.03 s	Haskell	2023-05-11 17:50:01
9	Daniel Cabral	0.03 s	Haskell	2023-06-08 19:12:33
10	Rudy Matela	0.03 s	Haskell	2023-09-10 12:18:52

#	User	Runtime	Language	Date
1	Sven Rönnbäck	0.07 s	Java	2023-02-28 18:57:50
2	Lee Heng Sheng	0.08 s	Java	2024-04-14 08:00:56
3	Sawyer Stanley	0.09 s	Java	2023-02-25 17:14:22
4	Crystal Sharpe	0.09 s	Java	2023-02-26 15:25:00
5	Bjørn Dons	0.09 s	Java	2023-02-26 19:08:52
6	Sander Roosimäe	0.09 s	Java	2025-04-16 12:06:36
7	Hussin Suleiman	0.10 s	Java	2024-06-15 20:40:07
8	Luke Eales	0.12 s	Java	2023-06-14 12:04:02
9	Julius Griebel	0.12 s	Java	2023-11-15 20:47:29
10	Einar Þór Ívarsson	0.12 s	Java	2024-02-09 15:14:25

#	User	Runtime	Language	Date
1	Christopher Churchwell	0.05 s	JavaScript (Node.js)	2023-11-25 14:47:15
2	Faisal Rahman	0.05 s	JavaScript (Node.js)	2024-02-14 23:34:40
3	Hidden user	0.14 s	JavaScript (Node.js)	2024-07-11 05:31:09
4	Yassin Swag	0.15 s	JavaScript (Node.js)	2023-12-01 19:09:56
5	WalkerKnapp	0.15 s	JavaScript (Node.js)	2024-09-10 23:27:19
6	Alexander Park	0.21 s	JavaScript (Node.js)	2023-03-31 09:28:33

#	User	Runtime	Language	Date
1	Bjørn Chr. Soltvedt	0.03 s	JavaScript (SpiderMonkey)	2023-02-26 01:11:05
2	Christian Pilegaard Cederquist	0.03 s	JavaScript (SpiderMonkey)	2023-02-26 07:50:08
3	Evan Magill	0.03 s	JavaScript (SpiderMonkey)	2024-04-07 07:07:34
4	Jimmy Gustafsson	0.03 s	JavaScript (SpiderMonkey)	2024-05-30 15:19:12
5	Ben Armstrong	0.04 s	JavaScript (SpiderMonkey)	2025-08-08 22:36:13

#	User	Runtime	Language	Date
1	Timothy Gaede	0.53 s	Julia	2024-03-19 01:33:52
2	Danny Robinson	0.76 s	Julia	2023-09-01 01:42:28

#	User	Runtime	Language	Date
1	Anton Trygub	0.25 s	Kotlin	2023-10-29 16:05:19
2	Emil Wihlander	0.26 s	Kotlin	2023-05-08 22:22:46
3	Ola Sundell	0.29 s	Kotlin	2023-07-20 15:38:11
4	Danny Mittal	0.30 s	Kotlin	2023-10-05 14:23:17
5	Martijn Muijsers	0.32 s	Kotlin	2024-05-27 19:01:19
6	Adam Rankin	0.33 s	Kotlin	2023-05-08 04:52:48
7	Troy Warmboe	0.37 s	Kotlin	2023-04-10 21:21:04
8	Deddy Chandra	0.45 s	Kotlin	2023-03-30 07:34:13
9	Sean Hagen	0.46 s	Kotlin	2023-02-26 18:23:36
10	Bradley Richards	0.48 s	Kotlin	2023-03-02 14:39:12

#	User	Runtime	Language	Date
1	Hidden user	0.03 s	Odin	2025-04-24 00:02:11

#	User	Runtime	Language	Date
1	David Connolly	0.00 s	Pascal	2023-03-14 11:40:22
2	Ingemar Ragnemalm	0.00 s	Pascal	2023-03-17 10:28:53

#	User	Runtime	Language	Date
1	Saito Ta	0.03 s	Perl	2024-03-29 03:45:00

#	User	Runtime	Language	Date
1	Renate	0.01 s	PHP	2023-07-04 15:14:27
2	Andre Wahyudi	0.02 s	PHP	2023-03-08 04:50:52

#	User	Runtime	Language	Date
1	Hasan Kalzi	0.04 s	Python 2	2023-04-05 14:27:42
2	Balamurugan M	0.04 s	Python 2	2023-07-04 17:07:19
3	Johan Lyts	0.05 s	Python 2	2023-02-26 15:08:44
4	Yanmarshus Bachtiar	0.06 s	Python 2	2023-05-22 13:25:10
5	Agis Daniels	0.06 s	Python 2	2023-09-13 17:41:13
6	Thomas Hayes	0.07 s	Python 2	2023-02-26 04:26:11

#	User	Runtime	Language	Date
1	Ben Pendley	0.05 s	Python 3	2023-04-11 21:46:49
2	Joe Little	0.05 s	Python 3	2023-10-23 19:05:59
3	Jeremy Fernandez	0.05 s	Python 3	2024-01-07 03:09:51
4	João Manoel Feck	0.05 s	Python 3	2024-09-01 20:33:01
5	Lumi Lysdal	0.05 s	Python 3	2024-09-13 17:02:55
6	Erik Svendsmark	0.05 s	Python 3	2024-09-14 06:52:36
7	Daniel Long	0.05 s	Python 3	2024-09-29 21:45:14
8	Petr	0.05 s	Python 3	2024-09-30 22:02:24
9	Nino Bašić	0.05 s	Python 3	2024-10-01 09:08:49
10	Fredrik Eriksson	0.05 s	Python 3	2024-10-06 15:03:35

#	User	Runtime	Language	Date
1	Miorel Palii	0.07 s	Ruby	2023-03-11 22:10:00
2	Thomas Feld	0.07 s	Ruby	2023-03-20 15:08:30
3	Alexander Bilde Pedersen	0.07 s	Ruby	2023-04-04 20:44:31
4	Eugen Neagoe	0.07 s	Ruby	2023-04-06 21:07:39
5	Abduvohid Ilhomov	0.07 s	Ruby	2024-03-24 01:45:02
6	Frederik Petersen	0.08 s	Ruby	2024-04-05 11:36:59
7	Russell Ng	0.08 s	Ruby	2026-03-03 16:38:28

#	User	Runtime	Language	Date
1	Simon Grünwald	0.00 s	Rust	2023-07-11 00:56:07
2	David Vinje	0.00 s	Rust	2023-07-27 17:54:52
3	Hovig Manjikian	0.00 s	Rust	2023-09-08 22:56:53
4	Aza Maulana Hadi	0.00 s	Rust	2024-03-09 14:18:45
5	Kalle Vigren	0.00 s	Rust	2024-05-15 22:55:48
6	Vincent Lagerros	0.00 s	Rust	2024-12-07 20:04:39
7	Egor Kulikov	0.00 s	Rust	2025-10-16 12:36:12
8	Joe Blower	0.00 s	Rust	2025-12-17 02:28:58
9	Jonathan Hallström	0.01 s	Rust	2023-02-27 20:05:55
10	Isak Jägberg	0.01 s	Rust	2023-03-17 12:05:50

#	User	Runtime	Language	Date
1	Danial Haseeb	0.01 s	Swift	2023-10-08 12:53:39

#	User	Runtime	Language	Date
1	Anton J Olsson	0.21 s	TypeScript	2023-07-05 03:35:45

#	User	Runtime	Language	Date
1	Grettir Heimisson	0.00 s	Zig	2025-10-29 13:28:20

#	User	Length	Language	Date
1	Steve Allen	77	APL	2023-05-13 08:04:06
2	Thomas Feld	85	APL	2023-05-15 14:30:05
3	Max NC	88	APL	2023-03-13 01:03:01
4	Hidden user	134	APL	2023-03-08 03:55:18
5	Matzuka	176	APL	2025-03-15 22:44:18

#	User	Length	Language	Date
1	Chenzhang Hu	1494	Bash	2024-04-16 16:33:39

#	User	Length	Language	Date
1	Martin Blom	203	C	2023-09-19 21:26:21
2	MADHUMITHA K	416	C	2025-04-10 13:56:34
3	Richard Arthur	468	C	2023-08-14 11:29:09
4	SANTHOSH G	469	C	2025-05-04 06:42:46
5	Birger Lundin	476	C	2025-01-05 17:17:48
6	Dody Harianto	480	C	2023-07-27 12:10:47
7	Hidden user	485	C	2024-12-11 16:15:29
8	Henrik Bohlin	500	C	2024-05-20 15:33:20
9	Hidden user	502	C	2024-03-13 05:08:03
10	Peterjohn Christiansen	505	C	2024-05-06 18:00:56

#	User	Length	Language	Date
1	Gregory Sinclair	379	C#	2023-11-05 15:35:03
2	Mikael Palokangas	383	C#	2023-08-07 20:37:52
3	Gustav Junedahl	528	C#	2023-11-01 21:40:48
4	Esty Crow	533	C#	2024-07-05 20:00:36
5	traxex	558	C#	2024-04-09 15:42:50
6	Anthony Ye	583	C#	2023-07-16 17:46:54
7	Pontus Magnusson	606	C#	2024-03-28 08:46:52
8	Hidden user	729	C#	2024-04-19 22:23:53
9	Jaehoon Son	775	C#	2023-10-02 01:22:12
10	Ahmet Murat Gençay	803	C#	2023-09-02 15:24:38

#	User	Length	Language	Date
1	Evan Michael Bailey	323	C++	2024-02-13 01:16:41
2	Adrien	328	C++	2024-03-17 13:46:59
3	shuvo ika	340	C++	2023-09-10 07:35:39
4	程睿	352	C++	2025-02-01 05:25:07
5	Rafael Kristoforus Yanto	352	C++	2025-02-18 19:02:06
6	Paul Wild	357	C++	2023-02-25 22:05:41
7	Nikola Katov	359	C++	2023-10-29 14:31:20
8	Daryll Ko	364	C++	2023-03-19 15:42:18
9	Ayden Coughlin	365	C++	2023-10-29 01:51:38
10	David Marcos	377	C++	2025-03-22 09:46:49

#	User	Length	Language	Date
1	Tobias Glimmerfors	3113	COBOL	2023-08-23 20:50:41

#	User	Length	Language	Date
1	Ralf Jonas	301	Common Lisp	2023-09-08 07:36:52
2	yraten	345	Common Lisp	2024-04-20 11:59:44

#	User	Length	Language	Date
1	Christoforos Pantazi	484	Dart	2023-09-11 00:20:29

#	User	Length	Language	Date
1	Yuen Wei Hao	643	Fortran	2023-12-28 07:11:52

#	User	Length	Language	Date
1	Jimmy Nejtron	392	Go	2023-03-02 09:38:38
2	Ian Howell	408	Go	2023-03-08 20:03:20
3	dick move	419	Go	2023-07-07 20:49:37
4	Norbert Voelker	611	Go	2023-03-04 00:08:59

#	User	Length	Language	Date
1	Brent Yorgey	190	Haskell	2023-02-26 19:19:35
2	Steinar Simonnes	353	Haskell	2023-12-06 16:26:20
3	Matthew A Johnson	362	Haskell	2023-05-11 17:50:01
4	Christopher Whelan	418	Haskell	2025-01-16 03:53:27
5	Øyvind Almli	435	Haskell	2023-07-10 14:27:36
6	Jan Hrček	536	Haskell	2023-04-16 19:19:03
7	Sebastian Banert	539	Haskell	2023-03-24 19:02:36
8	Rudy Matela	556	Haskell	2023-09-10 12:18:52
9	Daniel Cabral	562	Haskell	2023-06-08 19:12:33
10	Charley Sheaffer	760	Haskell	2023-10-16 22:37:30

#	User	Length	Language	Date
1	Crystal Sharpe	294	Java	2023-03-07 02:30:04
2	Lim Ting Kai	419	Java	2023-05-30 12:02:54
3	Raymond Arrington	461	Java	2024-06-07 11:21:45
4	Josh Henderson	493	Java	2023-03-29 16:19:14
5	Jason Liu	505	Java	2023-04-25 16:08:57
6	Huy Le	510	Java	2023-03-13 22:50:09
7	Cazador Edgerton	512	Java	2025-12-22 22:13:43
8	Aarav Bansal	523	Java	2023-04-28 17:27:26
9	Arup Ratan Guha	523	Java	2023-05-19 18:37:53
10	Braden Mizera	530	Java	2023-03-08 00:25:38

#	User	Length	Language	Date
1	Christopher Churchwell	520	JavaScript (Node.js)	2023-11-25 14:47:15
2	Yassin Swag	578	JavaScript (Node.js)	2023-12-01 19:09:56
3	Faisal Rahman	722	JavaScript (Node.js)	2024-02-14 23:34:40
4	WalkerKnapp	738	JavaScript (Node.js)	2024-09-10 23:27:19
5	Alexander Park	929	JavaScript (Node.js)	2023-03-31 09:28:33
6	Hidden user	981	JavaScript (Node.js)	2024-07-11 05:31:09

#	User	Length	Language	Date
1	Christian Pilegaard Cederquist	150	JavaScript (SpiderMonkey)	2023-02-26 07:54:45
2	Jimmy Gustafsson	157	JavaScript (SpiderMonkey)	2024-05-30 15:20:52
3	Bjørn Chr. Soltvedt	159	JavaScript (SpiderMonkey)	2023-02-26 19:28:56
4	Ben Armstrong	247	JavaScript (SpiderMonkey)	2025-08-08 22:36:13
5	Evan Magill	342	JavaScript (SpiderMonkey)	2024-04-07 07:07:34

#	User	Length	Language	Date
1	Danny Robinson	127	Julia	2023-09-01 02:13:25
2	Timothy Gaede	616	Julia	2024-03-19 01:33:52

#	User	Length	Language	Date
1	Hamdanil Rasyid	332	Kotlin	2025-04-01 05:59:49
2	Emil Wihlander	451	Kotlin	2023-05-08 22:22:46
3	Troy Warmboe	504	Kotlin	2023-04-10 21:21:04
4	Deddy Chandra	526	Kotlin	2023-03-30 07:34:13
5	Anton Trygub	533	Kotlin	2023-10-27 23:50:18
6	Danny Mittal	544	Kotlin	2023-10-05 14:23:17
7	Sean Hagen	592	Kotlin	2023-02-26 18:23:36
8	Adam Rankin	684	Kotlin	2023-05-08 04:52:48
9	Bradley Richards	834	Kotlin	2023-03-02 14:39:12
10	Ola Sundell	908	Kotlin	2023-07-20 15:38:11

#	User	Length	Language	Date
1	Hidden user	558	Odin	2025-04-24 00:02:11

#	User	Length	Language	Date
1	Ingemar Ragnemalm	380	Pascal	2023-03-17 10:28:53
2	David Connolly	513	Pascal	2023-03-14 11:40:22

#	User	Length	Language	Date
1	Saito Ta	146	Perl	2024-03-29 03:45:00

#	User	Length	Language	Date
1	Renate	431	PHP	2023-07-04 15:14:27
2	Andre Wahyudi	722	PHP	2023-03-08 04:50:52

#	User	Length	Language	Date
1	Johan Lyts	284	Python 2	2023-02-26 15:08:44
2	Yanmarshus Bachtiar	288	Python 2	2023-05-22 13:25:10
3	Thomas Hayes	308	Python 2	2023-02-26 04:26:11
4	Agis Daniels	434	Python 2	2023-09-13 17:41:13
5	Hasan Kalzi	776	Python 2	2023-04-05 14:27:42
6	Balamurugan M	776	Python 2	2023-07-04 17:07:19

#	User	Length	Language	Date
1	Kevin Gomez	108	Python 3	2023-09-07 16:33:36
2	Shashank Bhatt	111	Python 3	2023-03-07 03:11:50
3	Wouter Dijkstra	119	Python 3	2023-08-10 13:56:12
4	Christopher Kopp	122	Python 3	2023-03-09 01:22:11
5	Eduardo Vicente Petry	123	Python 3	2023-03-03 11:24:32
6	Ben Zydney	124	Python 3	2023-10-29 14:42:35
7	Logan Pipes	128	Python 3	2023-03-07 02:12:57
8	Carl Pittenger	135	Python 3	2024-03-27 03:37:56
9	Peter Stauder	140	Python 3	2023-02-26 09:15:22
10	Nguyễn Đinh Hồng Phúc	168	Python 3	2023-05-03 05:55:03

#	User	Length	Language	Date
1	Thomas Feld	75	Ruby	2023-05-15 14:42:26
2	Russell Ng	87	Ruby	2026-03-03 17:07:16
3	Alexander Bilde Pedersen	119	Ruby	2023-04-04 20:44:31
4	Frederik Petersen	173	Ruby	2024-04-05 11:36:59
5	Miorel Palii	193	Ruby	2023-03-11 22:10:00
6	Abduvohid Ilhomov	204	Ruby	2024-03-24 01:50:24
7	Eugen Neagoe	246	Ruby	2023-04-06 21:07:39

#	User	Length	Language	Date
1	Vincent Lagerros	250	Rust	2024-12-07 20:05:16
2	Artur Khuziakhmetov	414	Rust	2023-08-03 14:11:19
3	Bas Dirks	588	Rust	2023-04-01 09:20:32
4	Emil Dichmann	600	Rust	2025-08-21 15:27:55
5	Alejandro Osornio	667	Rust	2024-01-29 07:11:53
6	Hovig Manjikian	708	Rust	2023-09-08 22:56:53
7	Lily Gloudemans	720	Rust	2024-09-10 23:37:03
8	Aza Maulana Hadi	732	Rust	2024-03-09 13:29:57
9	Simon Grünwald	733	Rust	2023-07-11 00:56:07
10	Jim Ryan	808	Rust	2023-12-07 20:49:28

#	User	Length	Language	Date
1	Danial Haseeb	513	Swift	2023-10-08 12:53:39

#	User	Length	Language	Date
1	Anton J Olsson	1149	TypeScript	2023-07-05 03:35:45

#	User	Length	Language	Date
1	Grettir Heimisson	2940	Zig	2025-10-29 13:28:20

Solution running time distribution