Problem I
13 Floors — Problem Statistics

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Submissions	6003
Accepted submissions	2283
Submission ratio	38.03%
Authors	2239
Full solves [?]	2102
Full solve Ratio	93.88%

#	User	Runtime	Language	Date
1	Sebastian Banert	0.00 s	Ada	2025-09-02 23:58:43

#	User	Runtime	Language	Date
1	Sid	0.01 s	APL	2025-08-18 16:13:29
2	Matzuka	0.01 s	APL	2025-09-03 15:52:07
3	June Hoop	0.01 s	APL	2025-09-16 17:51:20
4	Thomas Feld	0.02 s	APL	2025-08-19 10:14:11

#	User	Runtime	Language	Date
1	Danny Robinson	0.01 s	Bash	2025-09-07 22:34:34
2	Chenzhang Hu	0.01 s	Bash	2025-09-12 14:07:29

#	User	Runtime	Language	Date
1	Deci Bel	0.04 s	C#	2025-08-16 13:40:20
2	Morten Jensen	0.04 s	C#	2025-08-21 22:07:27
3	Linus Leven	0.04 s	C#	2025-08-22 19:56:17
4	Hidden user	0.04 s	C#	2025-08-25 11:17:37
5	Dennis Stegnell	0.04 s	C#	2025-08-26 23:08:04
6	John Brouwer	0.04 s	C#	2025-08-31 16:59:49
7	Nicholas Hood	0.04 s	C#	2025-09-02 01:29:46
8	Freek van Keulen	0.04 s	C#	2025-09-03 15:54:02
9	Hidden user	0.04 s	C#	2025-09-03 16:09:57
10	Johan	0.04 s	C#	2025-09-03 16:20:42

#	User	Runtime	Language	Date
1	Michal Žáček	0.01 s	Common Lisp	2025-11-21 01:26:49
2	Kevin Gomez	0.01 s	Common Lisp	2025-12-03 05:38:58

#	User	Runtime	Language	Date
1	dick move	0.00 s	Crystal	2025-10-28 19:20:01

#	User	Runtime	Language	Date
1	Simon Egeberg Svarre	0.08 s	F#	2025-09-11 17:21:02
2	Magnus Edstrand	0.08 s	F#	2025-09-11 22:26:37
3	Niels Áki Mørk	0.08 s	F#	2025-09-12 14:49:44
4	Søren Gyldenlev	0.08 s	F#	2025-09-15 23:16:09
5	Viktor Alexander Hansen	0.08 s	F#	2025-09-15 23:46:06
6	Ronas Jacob Coban Olsen	0.08 s	F#	2025-09-19 16:27:49
7	Columbus Friis Munch	0.08 s	F#	2025-10-24 17:52:38
8	cannabïïs	0.08 s	F#	2025-11-20 16:44:21

#	User	Runtime	Language	Date
1	Jonas Haukenes	0.00 s	Forth	2025-10-21 18:28:14

#	User	Runtime	Language	Date
1	Joshua Chin	0.04 s	Java	2025-08-17 10:26:16
2	Markus Bao	0.04 s	Java	2025-08-19 20:04:27
3	Asha Mavankal	0.04 s	Java	2025-08-31 01:14:33
4	Luke Washam	0.04 s	Java	2025-09-01 05:54:00
5	Jacob Foster	0.04 s	Java	2025-09-10 17:59:45
6	Christian Dam	0.04 s	Java	2025-09-19 16:37:21
7	Sean Pettas	0.04 s	Java	2025-09-19 16:52:09
8	Todd W. Neller	0.04 s	Java	2025-09-25 18:58:58
9	Innocentia Han	0.04 s	Java	2025-09-28 13:52:08
10	Ranjith M	0.04 s	Java	2025-10-20 02:13:54

#	User	Runtime	Language	Date
1	Natan Yidnekachew	0.04 s	JavaScript (Node.js)	2025-08-18 07:29:06
2	Angel Tunutu	0.04 s	JavaScript (Node.js)	2025-08-24 21:28:19
3	simonaebid	0.04 s	JavaScript (Node.js)	2025-09-11 12:58:28
4	Nicolas Fiore	0.04 s	JavaScript (Node.js)	2025-09-16 23:53:52
5	Rasmus huge	0.04 s	JavaScript (Node.js)	2025-09-26 10:32:59
6	Erlend Raa Vågset	0.04 s	JavaScript (Node.js)	2025-10-07 13:48:44
7	Sabrine Shami Karanganwa	0.04 s	JavaScript (Node.js)	2025-10-08 19:00:36
8	Nicolas Van Eysinga	0.04 s	JavaScript (Node.js)	2025-10-10 02:01:49
9	Ihor Kolisnyk	0.04 s	JavaScript (Node.js)	2025-10-21 18:25:32
10	Albert Christian Lifen	0.04 s	JavaScript (Node.js)	2025-10-25 04:43:09

#	User	Runtime	Language	Date
1	Lily Bell	0.02 s	JavaScript (SpiderMonkey)	2021-02-13 20:31:44
2	Christian Pilegaard Cederquist	0.02 s	JavaScript (SpiderMonkey)	2025-08-14 07:24:29
3	Bjørn Chr. Soltvedt	0.02 s	JavaScript (SpiderMonkey)	2025-08-14 08:01:39
4	Ben Armstrong	0.02 s	JavaScript (SpiderMonkey)	2025-08-15 18:24:14
5	Phuong Quang Nguyen	0.02 s	JavaScript (SpiderMonkey)	2025-08-28 05:20:02
6	Jimmy Gustafsson	0.02 s	JavaScript (SpiderMonkey)	2025-09-03 09:51:41

#	User	Runtime	Language	Date
1	Timothy Gaede	0.25 s	Julia	2025-08-14 05:18:14

#	User	Runtime	Language	Date
1	Peet Brits	0.20 s	Kotlin	2025-08-20 10:42:15
2	Luka Chabot	0.20 s	Kotlin	2025-09-09 09:06:02
3	daniel [itb] qu	0.20 s	Kotlin	2025-09-26 08:57:46
4	Victor vaquer	0.20 s	Kotlin	2025-11-18 09:11:50
5	INTISAR BINTI MOHAMAD ZAIDIR	0.20 s	Kotlin	2025-11-25 11:48:59
6	Nils sxm	0.20 s	Kotlin	2025-12-05 16:18:03
7	Elliot Isken--Andersen Nexö	0.21 s	Kotlin	2025-09-09 10:53:26
8	Samuel Duhem	0.21 s	Kotlin	2025-09-09 12:14:11
9	Valentin	0.21 s	Kotlin	2025-09-09 12:14:47
10	Hidden user	0.21 s	Kotlin	2025-09-22 16:51:02

#	User	Runtime	Language	Date
1	Danny Harpigny	0.00 s	Nim	2025-11-22 13:46:32

#	User	Runtime	Language	Date
1	John Doe	0.00 s	OCaml	2025-09-01 13:52:03

#	User	Runtime	Language	Date
1	屏翰 张	0.00 s	Odin	2025-11-01 04:44:17

#	User	Runtime	Language	Date
1	Cian Curtis	0.00 s	Pascal	2025-08-29 20:45:02
2	Ingemar Ragnemalm	0.00 s	Pascal	2025-09-07 07:26:34

#	User	Runtime	Language	Date
1	Thomas Feld	0.00 s	Perl	2025-09-17 15:54:13

#	User	Runtime	Language	Date
1	Mohamed Amine El Younsi	0.01 s	PHP	2025-11-28 14:52:19

#	User	Runtime	Language	Date
1	Sivasankaran D	0.07 s	Python 2	2025-08-16 15:11:40
2	Val Chia	0.07 s	Python 2	2025-08-22 10:12:49
3	Ryan Huang	0.07 s	Python 2	2025-08-27 13:55:21
4	Fredrik Birkedal Dombeck	0.07 s	Python 2	2025-08-27 16:33:52
5	Ong Yan Deng	0.07 s	Python 2	2025-09-02 13:00:19
6	Cooper Prebynski	0.07 s	Python 2	2025-09-02 22:32:44
7	María Fernanda Gómez Ysita	0.07 s	Python 2	2025-09-04 06:41:50
8	Tryhardpanda76	0.07 s	Python 2	2025-09-12 19:48:25
9	KALAJAYANTHI M	0.07 s	Python 2	2025-09-22 17:50:14
10	David Christian Laran	0.07 s	Python 2	2025-09-23 16:35:47

#	User	Runtime	Language	Date
1	Blake Peterson	0.04 s	Python 3	2025-08-14 04:45:14
2	Rushil Vislawath	0.04 s	Python 3	2025-08-14 05:18:00
3	Jey Veerasamy	0.04 s	Python 3	2025-08-14 06:19:02
4	Zeheng Li	0.04 s	Python 3	2025-08-14 06:52:55
5	Hrant Hovhannisyan	0.04 s	Python 3	2025-08-14 07:41:48
6	HAILAN MO	0.04 s	Python 3	2025-08-14 08:33:18
7	Ahmed Chamseddine	0.04 s	Python 3	2025-08-14 10:29:53
8	Sami Al Chalati	0.04 s	Python 3	2025-08-14 10:52:42
9	Hidden user	0.04 s	Python 3	2025-08-14 12:16:35
10	Simen Sørensen	0.04 s	Python 3	2025-08-14 14:09:15

#	User	Runtime	Language	Date
1	Justin Dysarz	0.38 s	Racket	2025-10-25 05:19:29

#	User	Runtime	Language	Date
1	Thomas Feld	0.06 s	Ruby	2025-08-19 10:13:15
2	Alexander Bilde Pedersen	0.06 s	Ruby	2025-09-05 20:10:59
3	Hidden user	0.06 s	Ruby	2025-09-14 02:16:50
4	Nathan Gerard Callang	0.06 s	Ruby	2025-09-16 10:49:23
5	Frederik Petersen	0.06 s	Ruby	2025-09-19 16:22:13
6	Russell Ng	0.07 s	Ruby	2025-08-15 09:23:50
7	August Holm	0.07 s	Ruby	2025-11-30 00:06:06

#	User	Runtime	Language	Date
1	Issa Issack	0.00 s	Swift	2025-08-29 05:42:18
2	Aleksandr Toropov	0.00 s	Swift	2025-09-05 14:06:17
3	Jakob Rødal Skaar	0.00 s	Swift	2025-10-22 17:36:43
4	AZm87	0.00 s	Swift	2025-11-21 17:58:54

#	User	Runtime	Language	Date
1	Camilla Lenfors	0.04 s	TypeScript	2025-08-14 10:02:09
2	Harri Peltola	0.04 s	TypeScript	2025-09-17 06:29:54
3	Paul Bird	0.04 s	TypeScript	2025-09-24 13:46:17
4	Zach Tschetter	0.04 s	TypeScript	2025-11-06 04:12:09

#	User	Runtime	Language	Date
1	Oleksii Ihnatenko	0.00 s	Zig	2025-09-04 14:50:47
2	Grettir Heimisson	0.00 s	Zig	2025-10-28 18:47:30
3	Oscar Caicedo Castillo	0.00 s	Zig	2025-11-14 20:20:36

#	User	Length	Language	Date
1	Sebastian Banert	201	Ada	2025-09-02 23:58:43

#	User	Length	Language	Date
1	June Hoop	18	APL	2025-09-16 17:52:39
2	Thomas Feld	18	APL	2025-09-17 16:03:15
3	Sid	24	APL	2025-08-18 16:13:29
4	Matzuka	29	APL	2025-09-03 15:52:07

#	User	Length	Language	Date
1	Danny Robinson	23	Bash	2025-09-07 22:34:34
2	Chenzhang Hu	23	Bash	2025-09-12 14:07:29

#	User	Length	Language	Date
1	Elias Wickman	74	C	2025-11-01 10:13:32
2	Jonatan Altebro	75	C	2025-08-18 17:59:21
3	Martin Blom	75	C	2025-09-22 15:58:51
4	Sven Rönnbäck	106	C	2025-08-15 18:01:42
5	Mikkel Cornelius	108	C	2025-09-19 17:00:10
6	Lance Stephen L. Bronzal	113	C	2025-10-03 11:08:18
7	To Om	115	C	2025-08-31 23:32:24
8	Lyra Bern	115	C	2025-11-23 20:42:47
9	Ian Slot	125	C	2025-08-28 00:52:23
10	Tyler Mulholland	126	C	2025-09-09 22:40:19

#	User	Length	Language	Date
1	Freek van Keulen	104	C#	2025-09-03 15:54:02
2	Deci Bel	125	C#	2025-08-16 13:40:20
3	Morten Jensen	134	C#	2025-08-21 22:07:27
4	Tonny Abrahamsson	140	C#	2025-12-01 15:49:07
5	Leo Benkelius Sven Eriksonsgymnasiet TE24SP	160	C#	2025-11-11 15:52:42
6	Johan Andersson	174	C#	2025-11-13 14:37:11
7	Hidden user	175	C#	2025-10-10 13:23:35
8	Johan	186	C#	2025-09-03 16:20:42
9	Lucas Rosén Sven Eriksonsgymnasiet TE24SP	187	C#	2025-11-04 15:00:23
10	Գոռ Բաղդասարյան	189	C#	2025-11-14 07:43:52

#	User	Length	Language	Date
1	Shiroy Sattur	83	C++	2025-08-15 10:08:09
2	Ernest Ng Zi Xuan	104	C++	2025-08-19 02:06:20
3	Dustin R	106	C++	2025-08-14 04:44:46
4	Đậu Huy Minh	108	C++	2025-08-22 09:55:11
5	cfwong	108	C++	2025-10-18 07:55:37
6	Yannis Lagrosa	108	C++	2025-11-06 23:59:19
7	Shawn Lawrence San Pedro	109	C++	2025-11-16 14:43:44
8	Hidden user	112	C++	2025-09-12 05:02:28
9	Dragomir Delinschi	112	C++	2025-10-24 21:04:59
10	Mic Rey	113	C++	2025-08-15 07:27:43

#	User	Length	Language	Date
1	Kevin Gomez	38	Common Lisp	2025-12-03 05:38:58
2	Michal Žáček	68	Common Lisp	2025-11-21 01:26:49

#	User	Length	Language	Date
1	dick move	34	Crystal	2025-10-28 19:20:01

#	User	Length	Language	Date
1	Søren Gyldenlev	95	F#	2025-09-15 23:16:09
2	Niels Áki Mørk	108	F#	2025-09-12 14:49:44
3	Magnus Edstrand	115	F#	2025-09-11 22:26:37
4	cannabïïs	123	F#	2025-11-20 16:44:21
5	Viktor Alexander Hansen	141	F#	2025-09-15 23:46:06
6	Simon Egeberg Svarre	180	F#	2025-09-11 17:21:02
7	Columbus Friis Munch	244	F#	2025-10-24 17:52:38
8	Ronas Jacob Coban Olsen	1859	F#	2025-09-19 16:27:49

#	User	Length	Language	Date
1	Jonas Haukenes	134	Forth	2025-10-21 18:28:14

#	User	Length	Language	Date
1	Christoph H	115	Go	2025-11-30 11:56:53
2	Jimmy Nejtron	136	Go	2025-09-03 19:26:16
3	Norbert Voelker	138	Go	2025-09-03 15:15:55
4	Akshay Prashad	140	Go	2025-10-09 18:01:22
5	Alexandra Petersen	151	Go	2025-08-29 16:40:09
6	Hidden user	158	Go	2025-09-19 17:30:23
7	Carla Mathilde Køhlert Moos	161	Go	2025-09-19 17:32:09
8	David Useche	176	Go	2025-11-28 03:52:57
9	hello	195	Go	2025-12-04 07:41:33
10	Harry Snotter	203	Go	2025-10-21 17:06:24

#	User	Length	Language	Date
1	Juan Miguel Vilar	64	Haskell	2025-09-05 16:08:56
2	Hidden user	77	Haskell	2025-08-21 22:47:38
3	Praetoriam	93	Haskell	2025-08-14 22:34:08
4	Davide Perego	98	Haskell	2025-11-27 10:44:30
5	Hidden user	105	Haskell	2025-08-23 15:13:55
6	Steinar Simonnes	108	Haskell	2025-08-18 11:57:00
7	Emil Boesgaard Nørbjerg	117	Haskell	2025-09-19 17:44:14
8	Felipe Péret	121	Haskell	2025-10-09 15:17:21
9	Thomas Townsley	126	Haskell	2025-11-23 18:45:12
10	James Church	128	Haskell	2025-10-08 22:30:12

#	User	Length	Language	Date
1	Halcyon	213	Java	2025-10-30 15:58:39
2	Elias	219	Java	2025-10-15 11:47:31
3	Mel	226	Java	2025-09-11 23:48:32
4	Jackson Braden	228	Java	2025-11-05 19:33:25
5	Gerardo Contreras	231	Java	2025-09-01 05:22:08
6	Matthew Cornick	231	Java	2025-09-05 17:45:08
7	Maya Vendhan	233	Java	2021-02-13 18:11:17
8	Ryan Dodd	234	Java	2025-11-07 23:16:24
9	David Sulpice	235	Java	2025-09-21 16:10:51
10	Jean-Denis de Beauvoir	235	Java	2025-11-07 23:15:27

#	User	Length	Language	Date
1	Erlend Raa Vågset	109	JavaScript (Node.js)	2025-10-07 13:48:44
2	Sabrine Shami Karanganwa	159	JavaScript (Node.js)	2025-10-08 19:00:36
3	Ihor Kolisnyk	159	JavaScript (Node.js)	2025-10-21 18:25:32
4	Angel Tunutu	160	JavaScript (Node.js)	2025-08-24 21:28:19
5	Nicolas Fiore	165	JavaScript (Node.js)	2025-09-16 23:53:52
6	Manh Dao	169	JavaScript (Node.js)	2025-11-14 13:29:36
7	Surya Narayanan	221	JavaScript (Node.js)	2025-10-27 18:04:00
8	Elaica Dela Cruz	229	JavaScript (Node.js)	2025-10-28 07:56:54
9	Miguel Wills	262	JavaScript (Node.js)	2021-02-13 18:14:44
10	Nicolas Van Eysinga	263	JavaScript (Node.js)	2025-10-10 02:01:49

#	User	Length	Language	Date
1	Christian Pilegaard Cederquist	29	JavaScript (SpiderMonkey)	2025-08-14 07:24:29
2	Bjørn Chr. Soltvedt	31	JavaScript (SpiderMonkey)	2025-08-14 08:02:04
3	Jimmy Gustafsson	31	JavaScript (SpiderMonkey)	2025-09-03 09:51:41
4	Ben Armstrong	44	JavaScript (SpiderMonkey)	2025-08-15 18:24:14
5	Phuong Quang Nguyen	47	JavaScript (SpiderMonkey)	2025-08-28 05:20:02
6	Lily Bell	91	JavaScript (SpiderMonkey)	2021-02-13 20:31:44

#	User	Length	Language	Date
1	Timothy Gaede	113	Julia	2025-08-14 05:18:14

#	User	Length	Language	Date
1	Baptiste Delayen	103	Kotlin	2025-09-22 14:51:59
2	Nils sxm	125	Kotlin	2025-12-05 16:18:03
3	Hidden user	126	Kotlin	2025-09-22 16:51:02
4	Luka Chabot	131	Kotlin	2025-09-09 09:06:02
5	Samuel Duhem	131	Kotlin	2025-09-09 12:14:11
6	Victor vaquer	131	Kotlin	2025-11-18 09:11:50
7	Gabriel Vidal	165	Kotlin	2025-11-18 08:18:01
8	daniel [itb] qu	168	Kotlin	2025-09-26 08:57:46
9	INTISAR BINTI MOHAMAD ZAIDIR	191	Kotlin	2025-11-25 11:48:59
10	Théo Giordano	195	Kotlin	2025-09-22 16:05:03

#	User	Length	Language	Date
1	Danny Harpigny	126	Nim	2025-11-22 13:46:32

#	User	Length	Language	Date
1	John Doe	192	OCaml	2025-09-01 13:52:03

#	User	Length	Language	Date
1	屏翰 张	1379	Odin	2025-11-01 04:44:17

#	User	Length	Language	Date
1	Ingemar Ragnemalm	130	Pascal	2025-09-07 07:26:34
2	Cian Curtis	143	Pascal	2025-09-18 23:45:33

#	User	Length	Language	Date
1	Thomas Feld	21	Perl	2025-09-17 15:54:13

#	User	Length	Language	Date
1	Mohamed Amine El Younsi	115	PHP	2025-11-28 14:52:19

#	User	Length	Language	Date
1	María Fernanda Gómez Ysita	64	Python 2	2025-09-04 06:41:50
2	Karla Silva De Gyves	64	Python 2	2025-10-23 18:37:11
3	Carolina Lopez Mendez	64	Python 2	2025-10-23 18:37:56
4	Sivasankaran D	65	Python 2	2025-08-16 15:11:40
5	KALAJAYANTHI M	71	Python 2	2025-09-22 17:50:14
6	David Christian Laran	75	Python 2	2025-09-23 16:35:47
7	Fredrik Birkedal Dombeck	79	Python 2	2025-08-27 16:33:52
8	Val Chia	84	Python 2	2025-08-22 10:12:49
9	Ong Yan Deng	106	Python 2	2025-09-02 13:00:19
10	Tryhardpanda76	108	Python 2	2025-09-12 19:48:25

#	User	Length	Language	Date
1	David Aldenbro	30	Python 3	2025-08-18 10:36:24
2	Shashank Bhatt	30	Python 3	2025-08-18 20:32:12
3	Raunak Redkar	30	Python 3	2025-08-20 00:08:31
4	Nicholas Russell Saerang	30	Python 3	2025-08-21 17:04:50
5	Hidden user	30	Python 3	2025-08-21 20:11:42
6	Lasse Letager Hansen	30	Python 3	2025-08-25 12:07:27
7	Ole Vik Lysne	30	Python 3	2025-09-06 08:50:33
8	Alexandre Charland	30	Python 3	2025-09-10 03:06:54
9	June Hoop	30	Python 3	2025-09-16 17:41:20
10	Daniel Bogorad	30	Python 3	2025-09-19 14:52:37

#	User	Length	Language	Date
1	Justin Dysarz	143	Racket	2025-10-25 05:19:29

#	User	Length	Language	Date
1	Thomas Feld	25	Ruby	2025-08-19 10:13:15
2	Russell Ng	26	Ruby	2025-08-15 09:23:50
3	Alexander Bilde Pedersen	26	Ruby	2025-09-05 20:10:59
4	Frederik Petersen	32	Ruby	2025-09-19 16:22:13
5	August Holm	47	Ruby	2025-11-30 00:06:06
6	Nathan Gerard Callang	326	Ruby	2025-09-16 10:49:23
7	Hidden user	486	Ruby	2025-09-14 02:16:50

#	User	Length	Language	Date
1	Vincent Lagerros	183	Rust	2025-08-14 19:20:19
2	David Rasch	206	Rust	2025-08-25 16:38:24
3	Mario D'Andrea	206	Rust	2025-09-23 06:26:01
4	Pankajkumar Patro	217	Rust	2025-08-26 15:23:49
5	Nathaniel Risum	239	Rust	2025-08-21 12:57:09
6	Rasmus Melin	244	Rust	2025-09-03 16:32:13
7	Gustav Kristensen	246	Rust	2025-09-19 17:00:16
8	Christer Jakobsson	254	Rust	2025-08-20 08:12:47
9	Emil Dichmann	255	Rust	2025-08-15 22:40:14
10	Pétur Daníel Þórðarson	269	Rust	2025-09-29 14:52:23

#	User	Length	Language	Date
1	Jakob Rødal Skaar	55	Swift	2025-10-22 17:36:43
2	AZm87	80	Swift	2025-11-21 17:58:54
3	Issa Issack	188	Swift	2025-08-29 05:42:18
4	Aleksandr Toropov	228	Swift	2025-09-05 14:06:17

#	User	Length	Language	Date
1	Camilla Lenfors	112	TypeScript	2025-08-14 10:04:43
2	Zach Tschetter	248	TypeScript	2025-11-06 04:12:09
3	Paul Bird	267	TypeScript	2025-09-24 13:46:17
4	Harri Peltola	400	TypeScript	2025-09-17 06:29:54

#	User	Length	Language	Date
1	Oleksii Ihnatenko	378	Zig	2025-09-04 14:50:47
2	Oscar Caicedo Castillo	433	Zig	2025-11-14 20:23:27
3	Grettir Heimisson	2568	Zig	2025-10-28 18:47:30

Solution running time distribution