Problem A
Climbing Worm — Problem Statistics

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Submissions	8270
Accepted submissions	2442
Submission ratio	29.53%
Authors	2169
Full solves [?]	1924
Full solve Ratio	88.70%

#	User	Runtime	Language	Date
1	Thomas Feld	0.01 s	APL	2023-04-26 07:46:38

#	User	Runtime	Language	Date
1	Thomas Feld	0.01 s	Bash	2023-09-26 16:51:20
2	Chenzhang Hu	0.01 s	Bash	2023-10-04 07:20:37

#	User	Runtime	Language	Date
1	Liam Mislej	0.02 s	C#	2020-08-10 17:21:41
2	Yuwono Bangun Nagoro	0.02 s	C#	2020-10-17 20:44:17
3	Sebastian Sternberg	0.02 s	C#	2021-02-26 15:22:01
4	Urban Ek	0.02 s	C#	2021-03-03 12:19:24
5	Mikael Fiala-Lundström	0.02 s	C#	2021-07-15 01:18:47
6	Nickolas Gupton	0.02 s	C#	2021-10-12 00:52:18
7	Ali Aliev	0.02 s	C#	2022-01-06 17:54:00
8	Göran Andersson	0.03 s	C#	2022-05-26 23:03:46
9	Գոռ Բաղդասարյան	0.04 s	C#	2024-08-10 08:57:59
10	Phillip Lindholm	0.04 s	C#	2025-04-20 13:37:55

#	User	Runtime	Language	Date
1	Brandon Mitchell	0.03 s	COBOL	2020-10-04 21:36:33

#	User	Runtime	Language	Date
1	Hidden user	0.01 s	Common Lisp	2019-08-03 17:25:23

#	User	Runtime	Language	Date
1	Jacob Harris Cryer Kragh	0.04 s	F#	2023-01-01 12:31:24
2	Nicklas Østerberg	0.08 s	F#	2025-03-14 12:02:24

#	User	Runtime	Language	Date
1	Norbert Voelker	0.08 s	Go	2021-07-17 22:47:12
2	Josh Willox	0.08 s	Go	2021-08-13 07:24:37
3	Jack Kryger Sørensen	0.08 s	Go	2021-11-04 08:55:13
4	澪人桐	0.08 s	Go	2022-03-30 08:39:25

#	User	Runtime	Language	Date
1	Mason Barnhill	0.00 s	Haskell	2023-04-11 03:40:18
2	Steinar Simonnes	0.00 s	Haskell	2023-11-02 21:17:51
3	Brent Yorgey	0.01 s	Haskell	2019-06-12 18:29:18
4	Aurélien Pepin	0.01 s	Haskell	2019-08-28 06:18:03
5	Emil Østergaard	0.01 s	Haskell	2020-09-28 12:29:32
6	Hidden user	0.01 s	Haskell	2021-06-01 16:36:40
7	Leslie Yip	0.01 s	Haskell	2022-09-22 10:20:29

#	User	Runtime	Language	Date
1	Taras Romanyuk	0.04 s	Java	2024-12-13 14:34:32
2	CUX "INDIO" PRADA	0.04 s	Java	2025-02-03 09:42:50
3	Simon	0.04 s	Java	2025-03-19 12:51:03
4	Guangyi Zhou	0.04 s	Java	2025-05-12 03:15:32
5	Tarek	0.04 s	Java	2025-10-28 15:51:12
6	Axel Nilsson	0.05 s	Java	2024-06-25 18:10:21
7	Jiayi Lee	0.06 s	Java	2020-05-15 00:48:05
8	Igor Trúchlik	0.06 s	Java	2020-06-15 17:55:50
9	Jannik We	0.06 s	Java	2020-06-21 14:58:02
10	Nathan Nguyen	0.06 s	Java	2020-07-08 18:22:46

#	User	Runtime	Language	Date
1	Will Cosley	0.04 s	JavaScript (Node.js)	2025-04-07 23:30:06
2	Nagireddy Yannam	0.05 s	JavaScript (Node.js)	2023-12-06 02:14:51
3	Harsha vardhan reddy Nallabolu	0.05 s	JavaScript (Node.js)	2023-12-06 02:32:37
4	Peter Kedemo	0.41 s	JavaScript (Node.js)	2019-12-22 19:35:43
5	Howard Tin Chi Chan	0.42 s	JavaScript (Node.js)	2021-02-05 18:26:23

#	User	Runtime	Language	Date
1	Christian Pilegaard Cederquist	0.02 s	JavaScript (SpiderMonkey)	2023-01-20 12:02:28
2	Preeti Mainali	0.02 s	JavaScript (SpiderMonkey)	2023-12-01 02:30:23
3	Dan Roberts	0.02 s	JavaScript (SpiderMonkey)	2023-12-04 18:53:39
4	Leul Abate	0.02 s	JavaScript (SpiderMonkey)	2023-12-06 04:10:15
5	Tewobsta Desta	0.02 s	JavaScript (SpiderMonkey)	2023-12-06 04:11:22
6	Hanan Mustofa	0.02 s	JavaScript (SpiderMonkey)	2023-12-06 04:37:57
7	Trey	0.02 s	JavaScript (SpiderMonkey)	2023-12-09 07:00:22
8	Jimmy Gustafsson	0.02 s	JavaScript (SpiderMonkey)	2025-07-16 21:31:01
9	Bjørn Chr. Soltvedt	0.03 s	JavaScript (SpiderMonkey)	2019-06-13 09:55:20

#	User	Runtime	Language	Date
1	Timothy Gaede	0.49 s	Julia	2024-04-17 12:46:41

#	User	Runtime	Language	Date
1	Phường Lên	0.17 s	Kotlin	2019-11-01 03:34:36
2	Adam Rankin	0.18 s	Kotlin	2023-05-11 04:14:54
3	Zaw Myat	0.19 s	Kotlin	2024-01-15 03:59:35
4	Hidden user	0.21 s	Kotlin	2020-02-06 01:31:40

#	User	Runtime	Language	Date
1	Zeheng Li	0.01 s	Lua	2023-11-29 09:20:44

#	User	Runtime	Language	Date
1	Ingemar Ragnemalm	0.00 s	Pascal	2019-07-08 09:08:17

#	User	Runtime	Language	Date
1	Connor Billings	0.01 s	PHP	2020-08-10 00:29:59
2	Renate	0.01 s	PHP	2021-07-15 01:02:19

#	User	Runtime	Language	Date
1	Andriy Zyevakov	0.02 s	Prolog	2024-03-03 14:06:13

#	User	Runtime	Language	Date
1	Godmar Back	0.03 s	Python 2	2019-06-11 19:24:26
2	Andreas Björklund	0.03 s	Python 2	2019-06-13 17:50:35
3	Johan Lyts	0.03 s	Python 2	2019-06-16 20:01:41
4	Aarav Singh	0.03 s	Python 2	2019-06-25 06:33:10
5	Hidden user	0.03 s	Python 2	2019-08-02 13:01:15
6	Thomas Feld	0.03 s	Python 2	2019-09-27 08:45:14
7	Jesper Öqvist	0.03 s	Python 2	2019-09-29 11:27:04
8	Ram Basnet	0.03 s	Python 2	2019-12-06 06:06:26
9	Yanmarshus Bachtiar	0.03 s	Python 2	2020-08-22 06:30:52
10	Björn Magnusson	0.03 s	Python 2	2020-09-04 15:45:37

#	User	Runtime	Language	Date
1	Christofer Ohlsson	0.02 s	Python 3	2019-06-12 08:05:47
2	Jakob Kallestad	0.02 s	Python 3	2019-06-21 22:00:53
3	Isaac Lee	0.02 s	Python 3	2019-07-16 16:15:03
4	Fei Dong	0.02 s	Python 3	2019-07-27 16:14:27
5	Hugo Alayrangues	0.02 s	Python 3	2019-07-30 20:26:13
6	pythonista kattonista	0.02 s	Python 3	2019-09-07 18:54:29
7	James Elson	0.02 s	Python 3	2019-09-16 10:58:58
8	lazy guy	0.02 s	Python 3	2019-09-19 11:49:32
9	Kristoffer Åhgren	0.02 s	Python 3	2019-09-24 11:12:14
10	Jie Fan	0.02 s	Python 3	2019-10-08 14:09:30

#	User	Runtime	Language	Date
1	Hidden user	0.05 s	Ruby	2020-08-17 02:19:43
2	Alexander Bilde Pedersen	0.05 s	Ruby	2023-03-17 22:07:09
3	Thomas Feld	0.06 s	Ruby	2023-01-04 11:52:27
4	Andreas Severin Hauch Trøstrup	0.06 s	Ruby	2023-03-21 21:01:01
5	Russell Ng	0.06 s	Ruby	2025-05-29 17:39:50

#	User	Length	Language	Date
1	Thomas Feld	37	APL	2023-04-26 07:46:38

#	User	Length	Language	Date
1	Chenzhang Hu	35	Bash	2025-09-12 12:35:29
2	Thomas Feld	42	Bash	2023-09-26 16:51:47

#	User	Length	Language	Date
1	度雨	163	C	2025-03-06 13:38:20
2	Y_hc	166	C	2025-09-13 12:13:43
3	Charlot DEDJINOU	179	C	2022-03-27 16:19:19
4	Coleton Kotch	201	C	2020-10-04 22:11:58
5	Hidden user	215	C	2020-08-11 13:57:57
6	Sauparna Palchowdhury	225	C	2020-10-08 15:56:33
7	Gabriel Stanculescu	236	C	2025-03-18 13:14:55
8	一月七日折结	244	C	2025-09-18 13:26:14
9	Alexander Bilde Pedersen	251	C	2023-03-17 21:53:01
10	Andrew Roberts	260	C	2019-06-26 16:18:13

#	User	Length	Language	Date
1	Göran Andersson	507	C#	2022-05-26 23:03:46
2	Rafael Steffen Nguyen Jensen	524	C#	2025-04-26 07:56:18
3	Գոռ Բաղդասարյան	563	C#	2024-08-10 08:57:59
4	Ali Aliev	583	C#	2022-01-06 17:54:00
5	Liam Mislej	599	C#	2020-08-10 17:21:41
6	Mikael Fiala-Lundström	629	C#	2021-07-15 01:18:47
7	Umar Rasyid	649	C#	2025-05-31 22:50:50
8	Yuwono Bangun Nagoro	710	C#	2020-10-17 20:44:17
9	Urban Ek	744	C#	2021-03-03 12:19:24
10	Nickolas Gupton	920	C#	2021-10-12 00:52:18

#	User	Length	Language	Date
1	Tyler Fernando	114	C++	2022-11-03 11:16:48
2	Chen Irene	152	C++	2023-06-20 11:31:48
3	蔡易霖	152	C++	2023-06-20 11:43:37
4	Alan Bright	155	C++	2024-07-29 23:31:34
5	Eason	156	C++	2024-08-29 07:28:38
6	Jalvin Chan Jia Xiang	160	C++	2020-01-08 19:58:30
7	Steven Gay	161	C++	2021-03-17 17:36:57
8	Sherman Chann Zhi Shen	161	C++	2021-05-28 13:37:55
9	張寧栩	162	C++	2025-06-10 13:01:28
10	zimang233	162	C++	2025-08-30 11:34:38

#	User	Length	Language	Date
1	Brandon Mitchell	853	COBOL	2020-10-04 21:36:33

#	User	Length	Language	Date
1	Hidden user	258	Common Lisp	2019-08-03 17:25:23

#	User	Length	Language	Date
1	Jacob Harris Cryer Kragh	293	F#	2023-01-01 12:31:24
2	Nicklas Østerberg	2118	F#	2025-03-14 12:03:45

#	User	Length	Language	Date
1	Jack Kryger Sørensen	271	Go	2021-11-04 08:55:13
2	Josh Willox	290	Go	2021-08-13 07:24:37
3	澪人桐	487	Go	2022-03-30 08:39:25
4	Norbert Voelker	627	Go	2021-07-17 22:47:12

#	User	Length	Language	Date
1	Steinar Simonnes	188	Haskell	2023-11-02 21:19:09
2	Emil Østergaard	280	Haskell	2020-09-28 12:29:32
3	Leslie Yip	345	Haskell	2022-09-22 10:20:29
4	Mason Barnhill	375	Haskell	2023-04-11 03:40:18
5	Brent Yorgey	463	Haskell	2019-06-12 18:29:18
6	Aurélien Pepin	605	Haskell	2019-08-28 06:18:03
7	Hidden user	11447	Haskell	2021-06-01 16:36:40

#	User	Length	Language	Date
1	David Nicholas Nielsen	198	Java	2023-12-15 15:30:48
2	Rasmus Poulsen	203	Java	2023-10-30 09:36:07
3	Anders Georg Frølich Hansen	207	Java	2023-10-27 19:10:25
4	David Au Wei En	330	Java	2020-09-11 01:55:21
5	Åke Wettergren	335	Java	2020-03-12 15:02:08
6	Hidden user	356	Java	2019-06-14 03:53:41
7	Paula Arnold	360	Java	2020-09-22 13:56:17
8	Sam Huynh	366	Java	2021-08-12 11:17:04
9	Malashree Dhungel	375	Java	2023-04-24 21:24:02
10	Thanh Le	382	Java	2022-12-24 02:13:37

#	User	Length	Language	Date
1	Will Cosley	258	JavaScript (Node.js)	2025-04-07 23:30:06
2	Peter Kedemo	417	JavaScript (Node.js)	2019-12-22 19:35:43
3	Nagireddy Yannam	596	JavaScript (Node.js)	2023-12-06 02:14:51
4	Harsha vardhan reddy Nallabolu	635	JavaScript (Node.js)	2023-12-06 02:32:37
5	Howard Tin Chi Chan	739	JavaScript (Node.js)	2021-02-05 18:26:23

#	User	Length	Language	Date
1	Christian Pilegaard Cederquist	66	JavaScript (SpiderMonkey)	2023-01-20 12:06:28
2	Jimmy Gustafsson	68	JavaScript (SpiderMonkey)	2025-07-16 21:31:01
3	Bjørn Chr. Soltvedt	171	JavaScript (SpiderMonkey)	2019-06-13 09:55:20
4	Preeti Mainali	260	JavaScript (SpiderMonkey)	2023-12-01 02:30:23
5	Hanan Mustofa	350	JavaScript (SpiderMonkey)	2023-12-06 04:39:10
6	Dan Roberts	376	JavaScript (SpiderMonkey)	2023-12-04 18:53:39
7	Tewobsta Desta	378	JavaScript (SpiderMonkey)	2023-12-06 04:11:22
8	Leul Abate	443	JavaScript (SpiderMonkey)	2023-12-06 04:10:15
9	Trey	445	JavaScript (SpiderMonkey)	2023-12-09 07:00:22

#	User	Length	Language	Date
1	Timothy Gaede	653	Julia	2024-04-17 12:46:41

#	User	Length	Language	Date
1	Phường Lên	293	Kotlin	2019-11-01 03:34:36
2	Adam Rankin	441	Kotlin	2023-05-11 04:14:54
3	Hidden user	470	Kotlin	2020-02-06 01:31:40
4	Zaw Myat	556	Kotlin	2024-01-15 03:59:35

#	User	Length	Language	Date
1	Zeheng Li	130	Lua	2023-11-29 09:20:44

#	User	Length	Language	Date
1	Ingemar Ragnemalm	465	Pascal	2019-07-08 09:08:17

#	User	Length	Language	Date
1	Renate	210	PHP	2021-07-15 01:02:19
2	Connor Billings	229	PHP	2020-08-10 00:29:59

#	User	Length	Language	Date
1	Andriy Zyevakov	583	Prolog	2024-03-03 14:06:13

#	User	Length	Language	Date
1	Thomas Feld	63	Python 2	2019-09-27 08:45:14
2	Jesper Öqvist	68	Python 2	2019-09-29 11:27:04
3	Andreas Björklund	84	Python 2	2019-06-13 17:50:35
4	Lars Åström	93	Python 2	2019-10-09 15:07:50
5	Björn Magnusson	117	Python 2	2020-09-04 15:45:37
6	Johan Lyts	161	Python 2	2019-06-16 20:01:41
7	Aarav Singh	166	Python 2	2019-06-25 06:33:10
8	Hidden user	182	Python 2	2019-08-02 13:01:15
9	Godmar Back	194	Python 2	2019-06-11 19:24:26
10	Yanmarshus Bachtiar	220	Python 2	2020-08-22 06:30:52

#	User	Length	Language	Date
1	Benjamin Z White	60	Python 3	2023-05-07 16:59:52
2	Clement Oh	60	Python 3	2023-06-03 16:58:03
3	Nguyên Khôi Đỗ	61	Python 3	2025-03-12 02:42:41
4	Ahmed Chamseddine	64	Python 3	2023-07-10 14:22:05
5	Morten Clausen	67	Python 3	2022-10-09 20:50:46
6	Andreas Just Petersen	67	Python 3	2023-03-14 14:04:22
7	Christian Lebeda	69	Python 3	2021-04-06 14:26:45
8	Tai Tze Kin	70	Python 3	2024-05-03 16:53:19
9	Enrique Casillas	85	Python 3	2019-10-16 18:20:41
10	Steven Wang	85	Python 3	2023-03-14 13:50:10

#	User	Length	Language	Date
1	Thomas Feld	45	Ruby	2023-08-29 10:50:05
2	Russell Ng	55	Ruby	2025-05-29 17:39:50
3	Alexander Bilde Pedersen	57	Ruby	2023-03-17 22:07:09
4	Andreas Severin Hauch Trøstrup	78	Ruby	2023-03-21 21:08:07
5	Hidden user	104	Ruby	2020-08-17 02:19:43

#	User	Length	Language	Date
1	Bas Dirks	487	Rust	2022-01-12 15:55:44
2	David Rasch	529	Rust	2020-10-07 10:37:33
3	Albert Rise Nielsen	601	Rust	2023-03-14 11:02:15
4	Hidden user	607	Rust	2024-07-29 03:25:09
5	Malthe Mathias Mølgaard Larsen	613	Rust	2023-03-14 11:21:41
6	Artur Khuziakhmetov	658	Rust	2022-08-07 08:35:41
7	Adam Gausmann	666	Rust	2019-09-13 18:57:28
8	Andreas Wendelboe	754	Rust	2025-03-28 17:52:12
9	Philip Mørch	773	Rust	2024-03-26 21:50:28
10	Joe Blower	1725	Rust	2025-12-03 01:10:03

Solution running time distribution