Problem E
Tower Construction — Problem Statistics

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Submissions	5082
Accepted submissions	2510
Submission ratio	49.39%
Authors	2323
Full solves [?]	2168
Full solve Ratio	93.33%

#	User	Runtime	Language	Date
1	Sebastian Banert	0.02 s	Ada	2024-09-28 19:46:33

#	User	Runtime	Language	Date
1	Danny Robinson	0.03 s	Bash	2023-09-04 16:29:17
2	Thomas Feld	0.03 s	Bash	2023-09-08 13:15:53
3	Chenzhang Hu	0.09 s	Bash	2024-06-26 16:24:27

#	User	Runtime	Language	Date
1	Bergur Snorrason	0.00 s	C	2020-09-04 10:46:27
2	Agis Daniels	0.00 s	C	2020-11-08 21:28:08
3	Hidden user	0.00 s	C	2025-06-23 19:27:13
4	Sambit Palit	0.01 s	C	2020-10-16 04:48:43
5	dimas	0.01 s	C	2020-11-10 02:25:05
6	Vincent Khrishardy	0.01 s	C	2020-11-10 02:29:55
7	Oris Satria Mustopa	0.01 s	C	2020-11-11 04:14:51
8	Ian Howell	0.01 s	C	2020-11-24 17:59:30
9	Roberto Kreshna	0.01 s	C	2020-11-27 15:40:11
10	Emil Wihlander	0.01 s	C	2020-12-05 06:41:40

#	User	Runtime	Language	Date
1	Bryce Goddard	0.06 s	C#	2020-08-21 19:12:45
2	Henrik Hallbert	0.06 s	C#	2020-08-25 14:19:24
3	Anders Parsberg Wagner	0.06 s	C#	2020-09-07 14:12:56
4	Anders Lapiki	0.06 s	C#	2020-09-18 14:12:17
5	Daniel Ledger	0.06 s	C#	2020-10-10 12:10:36
6	Thomas Norris	0.06 s	C#	2020-11-14 21:04:59
7	Dang Tran Tuan Trung	0.06 s	C#	2021-08-14 12:50:41
8	Pascal Stoop	0.06 s	C#	2021-08-31 21:49:00
9	Stijn van Veen	0.06 s	C#	2021-09-02 16:23:09
10	Jordy Frijters	0.06 s	C#	2021-09-03 17:22:10

#	User	Runtime	Language	Date
1	Hidden user	0.00 s	C++	2020-08-30 02:48:44
2	Frank Endriss	0.00 s	C++	2020-09-03 11:38:28
3	Eyleifur Bjarkason	0.00 s	C++	2020-10-02 18:54:48
4	Joel Au	0.00 s	C++	2020-10-26 01:42:31
5	Agis Daniels	0.00 s	C++	2020-11-08 21:25:00
6	Andreas Wingqvist	0.00 s	C++	2023-04-17 14:29:05
7	Evan Michael Bailey	0.00 s	C++	2025-06-22 02:03:07
8	Mårten Wiman	0.01 s	C++	2020-07-15 18:58:59
9	Marcus Andersson	0.01 s	C++	2020-07-18 11:46:02
10	Fredrik Ekholm	0.01 s	C++	2020-07-18 17:50:31

#	User	Runtime	Language	Date
1	David Vinje	0.09 s	F#	2022-03-21 08:17:51
2	Jacob Harris Cryer Kragh	0.09 s	F#	2022-07-13 20:36:09
3	Mikael Fangel	0.11 s	F#	2023-09-01 19:32:40
4	Emilie H	0.13 s	F#	2020-09-18 15:26:18
5	Kasper Berthelsen	0.16 s	F#	2022-03-11 15:58:11
6	Natascha Kristensen	0.20 s	F#	2023-09-02 15:11:03
7	Frederik Greve Petersen	0.29 s	F#	2023-09-01 16:36:45

#	User	Runtime	Language	Date
1	Norbert Voelker	0.08 s	Go	2021-04-22 12:06:43
2	Resa Renaldy	0.08 s	Go	2021-07-14 09:45:40
3	Búgvi Benjamin Magnussen	0.08 s	Go	2021-10-18 07:23:12
4	Magix	0.09 s	Go	2020-09-16 06:21:41
5	Krzysztof Gibuła	0.09 s	Go	2020-11-19 16:08:19
6	YiLi Ge	0.77 s	Go	2023-09-07 07:02:58

#	User	Runtime	Language	Date
1	Brent Yorgey	0.01 s	Haskell	2020-08-20 20:19:09
2	Jan Hrček	0.01 s	Haskell	2020-10-27 13:37:13
3	Tim Put	0.01 s	Haskell	2020-10-30 21:34:24
4	Sebastian Banert	0.01 s	Haskell	2024-06-16 12:42:19
5	Caleb Surovik	0.03 s	Haskell	2021-07-02 04:50:39
6	Aaron Lengyel	0.17 s	Haskell	2021-11-22 04:51:57
7	Steinar Simonnes	0.17 s	Haskell	2024-01-30 15:50:29
8	Hidden user	0.18 s	Haskell	2020-11-06 12:21:32
9	Joshua Coward	0.18 s	Haskell	2022-02-03 02:27:27
10	Emil Østergaard	0.21 s	Haskell	2020-09-18 14:46:15

#	User	Runtime	Language	Date
1	Guangyi Zhou	0.05 s	Java	2024-12-01 14:23:05
2	Emil Bak-Møller	0.07 s	Java	2020-09-07 16:21:12
3	Calum Bird	0.07 s	Java	2020-09-29 22:03:51
4	Asmus Tørsleff	0.07 s	Java	2022-03-12 09:47:52
5	Lee Heng Sheng	0.07 s	Java	2024-05-01 07:19:01
6	Crystal Sharpe	0.08 s	Java	2020-08-20 14:08:13
7	Samuel Klingström	0.08 s	Java	2020-09-09 14:47:30
8	Simon Kristiansen	0.08 s	Java	2020-10-01 18:07:06
9	Sven Rönnbäck	0.08 s	Java	2020-12-12 22:01:09
10	Kristoffer Borgstrøm	0.08 s	Java	2022-06-13 14:43:37

#	User	Runtime	Language	Date
1	Yassin Swag	0.07 s	JavaScript (Node.js)	2023-12-10 16:26:22
2	Hidden user	0.08 s	JavaScript (Node.js)	2024-09-13 18:55:56
3	Niamh Limerick	0.45 s	JavaScript (Node.js)	2022-04-12 14:12:00
4	Chris Wong	0.46 s	JavaScript (Node.js)	2021-02-16 00:23:23
5	Jeremy LaGree	0.46 s	JavaScript (Node.js)	2021-03-11 06:23:15
6	Logan Emmert	0.46 s	JavaScript (Node.js)	2021-03-14 20:17:39
7	MaxAbillion	0.46 s	JavaScript (Node.js)	2021-05-13 13:44:05
8	Karim Dridi	0.46 s	JavaScript (Node.js)	2022-01-14 12:51:29
9	Benjamin Robillard	0.46 s	JavaScript (Node.js)	2022-03-28 16:25:50
10	Andoko Chandra	0.47 s	JavaScript (Node.js)	2020-10-11 11:20:24

#	User	Runtime	Language	Date
1	Christian Pilegaard Cederquist	0.04 s	JavaScript (SpiderMonkey)	2023-01-13 08:36:58
2	Bjørn Chr. Soltvedt	0.05 s	JavaScript (SpiderMonkey)	2020-08-21 11:51:41
3	Liam Scalzulli	0.05 s	JavaScript (SpiderMonkey)	2020-08-30 00:36:35
4	Peter Menyes	0.05 s	JavaScript (SpiderMonkey)	2021-08-10 15:55:25
5	Zach Tschetter	0.05 s	JavaScript (SpiderMonkey)	2023-06-21 03:43:05
6	Jimmy Gustafsson	0.05 s	JavaScript (SpiderMonkey)	2024-06-17 18:29:38

#	User	Runtime	Language	Date
1	Timothy Gaede	0.56 s	Julia	2024-03-22 01:56:17
2	Danny Robinson	0.80 s	Julia	2023-09-04 16:17:21

#	User	Runtime	Language	Date
1	Martijn Muijsers	0.34 s	Kotlin	2024-05-31 08:50:56
2	Adam Rankin	0.39 s	Kotlin	2023-04-24 03:16:05
3	Ahmed Waseem Saeed	0.40 s	Kotlin	2021-12-18 12:39:57
4	Sergey Jakobsen	0.42 s	Kotlin	2021-03-08 18:49:46
5	Troy Warmboe	0.43 s	Kotlin	2021-10-11 20:15:11
6	Marit van Dijk	0.54 s	Kotlin	2021-09-14 10:37:36

#	User	Runtime	Language	Date
1	Zeheng Li	0.02 s	Lua	2023-12-28 16:37:18

#	User	Runtime	Language	Date
1	Hidden user	0.02 s	Nim	2025-12-02 07:33:13

#	User	Runtime	Language	Date
1	Ingemar Ragnemalm	0.01 s	Pascal	2020-08-27 21:02:32
2	David Connolly	0.01 s	Pascal	2022-07-06 19:46:58

#	User	Runtime	Language	Date
1	cojonas1	0.02 s	PHP	2021-03-17 14:32:21
2	Renate Fiala-Lundström	0.02 s	PHP	2021-07-07 01:13:32
3	Erik Boström	0.02 s	PHP	2021-12-27 18:15:53
4	Andre Wahyudi	0.02 s	PHP	2023-03-15 01:30:44

#	User	Runtime	Language	Date
1	Hakan Kjellerstrand	0.13 s	Prolog	2023-02-10 07:01:41
2	Andriy Zyevakov	0.59 s	Prolog	2021-11-29 07:30:05

#	User	Runtime	Language	Date
1	Måns Magnusson	0.04 s	Python 2	2020-07-19 07:21:15
2	Maj Stenmark	0.04 s	Python 2	2020-07-19 19:23:11
3	Ram Basnet	0.04 s	Python 2	2020-09-21 05:21:40
4	Hasan Kalzi	0.04 s	Python 2	2022-06-20 13:03:19
5	Hidden user	0.04 s	Python 2	2022-10-26 10:58:39
6	Yanmarshus Bachtiar	0.05 s	Python 2	2020-08-26 01:10:35
7	Shakeel Samsudeen	0.05 s	Python 2	2020-08-26 23:13:54
8	Johan Lyts	0.05 s	Python 2	2020-08-27 12:14:23
9	Thomas Feld	0.05 s	Python 2	2020-09-09 13:26:19
10	Andreas Björklund	0.05 s	Python 2	2020-09-10 18:13:36

#	User	Runtime	Language	Date
1	João Manoel Feck	0.05 s	Python 3	2024-09-06 18:14:14
2	Jonas Regehr	0.05 s	Python 3	2024-11-22 00:16:40
3	David Aldenbro	0.05 s	Python 3	2025-02-13 11:22:54
4	Hrant Hovhannisyan	0.05 s	Python 3	2025-03-18 09:30:39
5	Nhat Anh Bui	0.05 s	Python 3	2025-09-21 07:26:24
6	Dushyant Rai Mungur	0.05 s	Python 3	2025-09-26 22:36:51
7	Ba Huy Pham	0.05 s	Python 3	2025-09-26 22:39:56
8	Urit Gupta	0.05 s	Python 3	2025-09-28 21:24:46
9	Habiebatou Sam	0.05 s	Python 3	2025-09-29 02:26:01
10	Valentin Dusollier	0.05 s	Python 3	2025-11-06 08:00:10

#	User	Runtime	Language	Date
1	Hidden user	0.09 s	Ruby	2020-09-08 19:53:05
2	Eugen Neagoe	0.09 s	Ruby	2023-06-30 14:28:36
3	Thomas Feld	0.09 s	Ruby	2023-09-08 13:20:21
4	Clement Oh	0.11 s	Ruby	2023-10-30 11:24:51

#	User	Runtime	Language	Date
1	Eliot White	0.08 s	TypeScript	2025-09-29 12:00:01

#	User	Runtime	Language	Date
1	Buster Hultgren Wärn	0.67 s	Zig	2024-10-25 10:01:22
2	Mattias Hinnerson	0.67 s	Zig	2024-11-06 07:39:35

#	User	Length	Language	Date
1	Sebastian Banert	353	Ada	2024-09-28 19:46:33

#	User	Length	Language	Date
1	Chenzhang Hu	38	Bash	2025-09-12 13:43:26
2	Danny Robinson	42	Bash	2023-09-04 16:29:17
3	Thomas Feld	45	Bash	2023-09-11 06:24:39

#	User	Length	Language	Date
1	Martin Blom	88	C	2024-01-08 08:23:52
2	Oliver Ruste Jahren	219	C	2023-06-03 14:13:40
3	Emil Wihlander	236	C	2020-12-05 06:41:40
4	劉睿升	248	C	2021-06-20 12:15:24
5	劉睿升	248	C	2021-06-24 15:28:01
6	Matthew Weston	254	C	2022-01-12 13:38:57
7	Mirel Cosulschi	259	C	2024-09-24 12:15:29
8	PhilCampbell	261	C	2021-01-07 11:03:12
9	Andrew Roberts	261	C	2021-05-27 21:58:57
10	Rebecca Ekeroth	263	C	2023-10-29 17:45:43

#	User	Length	Language	Date
1	Hidden user	359	C#	2026-02-02 10:58:01
2	Esty Crow	363	C#	2023-09-16 00:59:43
3	Anthony Ye	388	C#	2023-09-17 15:46:32
4	Göran Andersson	456	C#	2022-05-12 21:28:02
5	Գոռ Բաղդասարյան	461	C#	2025-03-03 08:58:14
6	Benjamin Bilbeau	491	C#	2024-08-20 15:18:10
7	Eric Weiss	512	C#	2022-06-13 21:20:04
8	Thomas Norris	517	C#	2020-11-14 21:04:59
9	Bryce Goddard	521	C#	2020-08-21 19:12:45
10	Yuwono Bangun Nagoro	529	C#	2020-09-04 17:43:18

#	User	Length	Language	Date
1	Frans Meulenbroeks	96	C++	2024-12-16 21:56:16
2	Tyler Fernando	113	C++	2022-11-02 08:26:54
3	a_b__c	125	C++	2021-08-17 18:27:55
4	Will Killian	125	C++	2023-09-13 00:38:46
5	WU DI	170	C++	2022-11-24 17:53:46
6	Nguyen Tran Huu Duc	183	C++	2021-11-17 03:40:05
7	Rodrigo Erazo Hermosilla	186	C++	2020-11-17 20:02:24
8	Đậu Huy Minh	188	C++	2022-11-16 04:24:59
9	Grae Yeandle	190	C++	2020-08-26 17:27:29
10	Catalin Meleg	193	C++	2024-10-30 11:25:21

#	User	Length	Language	Date
1	Mikael Fangel	175	F#	2023-09-01 19:32:40
2	David Vinje	276	F#	2022-03-21 08:17:51
3	Emilie H	367	F#	2020-09-18 15:26:18
4	Frederik Greve Petersen	374	F#	2023-09-01 16:36:45
5	Jacob Harris Cryer Kragh	550	F#	2022-07-13 20:36:09
6	Natascha Kristensen	918	F#	2023-09-02 15:11:03
7	Kasper Berthelsen	1788	F#	2022-03-11 15:58:11

#	User	Length	Language	Date
1	YiLi Ge	293	Go	2023-09-07 07:02:58
2	Krzysztof Gibuła	428	Go	2020-11-19 16:08:19
3	Resa Renaldy	529	Go	2021-07-14 09:45:40
4	Norbert Voelker	793	Go	2021-04-22 12:06:43
5	Búgvi Benjamin Magnussen	858	Go	2021-10-18 07:23:12
6	Magix	960	Go	2020-09-16 06:21:41

#	User	Length	Language	Date
1	Aaron Lengyel	149	Haskell	2021-11-22 04:51:57
2	Joshua Coward	193	Haskell	2022-02-03 00:12:10
3	Tim Put	196	Haskell	2020-10-30 21:29:29
4	Jan Hrček	245	Haskell	2020-10-27 13:30:58
5	Steinar Simonnes	302	Haskell	2024-01-30 15:50:29
6	Sebastian Banert	304	Haskell	2024-06-16 12:42:19
7	Emil Østergaard	325	Haskell	2020-09-08 06:30:31
8	Carl Westerlund	331	Haskell	2020-09-22 09:14:32
9	Greg Rosser	351	Haskell	2024-02-23 10:03:06
10	Matthew Lutze	379	Haskell	2021-01-02 14:55:54

#	User	Length	Language	Date
1	Evan Magill	199	Java	2023-09-14 14:23:07
2	John Hershey	224	Java	2023-09-23 02:08:50
3	Crystal Yang	332	Java	2023-01-16 21:38:22
4	Schuyler Moelhoff	350	Java	2021-02-19 21:51:14
5	Malte Alexander Koefoed Schalck	360	Java	2022-03-11 16:03:53
6	Carter Henderson	362	Java	2021-10-14 15:23:19
7	Zachary Peterson	365	Java	2020-09-11 21:48:55
8	Kevin Kauffman	365	Java	2021-12-29 01:02:29
9	Tarun Patanjali	366	Java	2023-02-07 17:15:46
10	Christian Nijssen	368	Java	2021-09-05 00:07:37

#	User	Length	Language	Date
1	Karim Dridi	304	JavaScript (Node.js)	2022-01-14 12:56:50
2	Peter Kedemo	332	JavaScript (Node.js)	2020-12-25 22:51:35
3	Hidden user	441	JavaScript (Node.js)	2023-08-23 00:45:21
4	Yassin Swag	453	JavaScript (Node.js)	2023-12-10 16:26:22
5	Chris Wong	507	JavaScript (Node.js)	2021-02-16 00:23:23
6	Howard Tin Chi Chan	517	JavaScript (Node.js)	2021-02-17 06:38:38
7	Keaton Robel	519	JavaScript (Node.js)	2022-04-05 23:26:58
8	pc	652	JavaScript (Node.js)	2021-11-19 08:41:54
9	MaxAbillion	654	JavaScript (Node.js)	2021-05-13 13:44:05
10	Andoko Chandra	722	JavaScript (Node.js)	2020-10-11 11:20:24

#	User	Length	Language	Date
1	Jimmy Gustafsson	79	JavaScript (SpiderMonkey)	2024-06-17 18:29:38
2	Zach Tschetter	144	JavaScript (SpiderMonkey)	2023-06-21 03:43:05
3	Peter Menyes	179	JavaScript (SpiderMonkey)	2021-08-10 15:55:25
4	Liam Scalzulli	185	JavaScript (SpiderMonkey)	2020-08-30 00:36:35
5	Christian Pilegaard Cederquist	189	JavaScript (SpiderMonkey)	2023-01-13 08:36:58
6	Bjørn Chr. Soltvedt	195	JavaScript (SpiderMonkey)	2020-08-21 11:51:41

#	User	Length	Language	Date
1	Danny Robinson	62	Julia	2023-09-04 16:17:21
2	Timothy Gaede	355	Julia	2024-03-22 01:56:17

#	User	Length	Language	Date
1	Sergey Jakobsen	225	Kotlin	2021-03-08 18:53:40
2	Marit van Dijk	372	Kotlin	2021-09-14 10:37:36
3	Ahmed Waseem Saeed	398	Kotlin	2021-12-18 12:39:57
4	Adam Rankin	406	Kotlin	2023-04-24 03:16:05
5	Troy Warmboe	472	Kotlin	2021-10-11 20:15:11
6	Martijn Muijsers	601	Kotlin	2024-05-31 08:50:56

#	User	Length	Language	Date
1	Zeheng Li	138	Lua	2023-12-28 16:37:18

#	User	Length	Language	Date
1	Hidden user	249	Nim	2025-12-02 07:33:13

#	User	Length	Language	Date
1	Ingemar Ragnemalm	224	Pascal	2020-08-27 21:02:32
2	David Connolly	292	Pascal	2022-07-06 19:46:58

#	User	Length	Language	Date
1	Renate Fiala-Lundström	269	PHP	2021-07-07 01:13:32
2	Erik Boström	403	PHP	2021-12-27 18:15:53
3	Andre Wahyudi	463	PHP	2023-03-15 01:30:44
4	cojonas1	505	PHP	2021-03-17 14:32:21

#	User	Length	Language	Date
1	Hakan Kjellerstrand	227	Prolog	2023-02-10 07:01:41
2	Andriy Zyevakov	483	Prolog	2021-11-29 07:30:05

#	User	Length	Language	Date
1	Andreas Björklund	120	Python 2	2020-09-10 18:13:36
2	Lars Åström	120	Python 2	2020-11-14 12:51:51
3	Johan Lyts	126	Python 2	2020-08-27 12:17:27
4	Hidden user	128	Python 2	2022-10-26 10:58:39
5	Shakeel Samsudeen	133	Python 2	2020-08-26 23:13:54
6	Nikitha Panda	133	Python 2	2022-03-22 16:03:48
7	Thomas Feld	137	Python 2	2020-09-09 13:26:19
8	Agis Daniels	147	Python 2	2020-11-08 21:35:01
9	Sivasankaran D	214	Python 2	2025-09-24 11:23:39
10	Gibransyah	221	Python 2	2022-03-27 09:03:38

#	User	Length	Language	Date
1	Alexandre Charland	71	Python 3	2024-08-24 01:28:19
2	Harry Zhang	72	Python 3	2022-12-19 10:24:12
3	Clement Oh	72	Python 3	2023-06-11 04:30:05
4	Sidharth Pillai	76	Python 3	2023-10-27 12:00:28
5	Timothy Baeckelant	81	Python 3	2023-11-04 14:24:20
6	Henrik Olsen Eide	82	Python 3	2023-09-17 12:38:09
7	Thomas Draper	85	Python 3	2023-06-23 06:16:02
8	Sebastian Boldsen Jakobsen	87	Python 3	2022-10-08 22:53:40
9	Charles Ancheta	89	Python 3	2023-04-07 19:28:19
10	David Worley	92	Python 3	2025-12-05 18:01:17

#	User	Length	Language	Date
1	Thomas Feld	34	Ruby	2023-09-08 13:21:51
2	Hidden user	62	Ruby	2020-09-08 19:53:05
3	Clement Oh	72	Ruby	2023-10-30 11:24:51
4	Eugen Neagoe	129	Ruby	2023-06-30 14:29:55

#	User	Length	Language	Date
1	Vincent Lagerros	186	Rust	2025-01-18 18:24:57
2	David Zacek	434	Rust	2021-05-27 20:10:13
3	Valdemar Friis	436	Rust	2023-09-04 14:10:30
4	David Rasch	442	Rust	2021-05-06 08:06:29
5	Bas Dirks	483	Rust	2021-12-31 19:17:59
6	Kok Dith	515	Rust	2021-08-04 11:13:57
7	Pankajkumar Patro	519	Rust	2024-10-03 12:23:36
8	Simon Hallefält	524	Rust	2023-07-22 12:57:51
9	Nikoline Olander Rasmussen	527	Rust	2023-09-06 16:21:18
10	Hidden user	539	Rust	2021-02-25 13:12:05

#	User	Length	Language	Date
1	Eliot White	537	TypeScript	2025-09-29 12:00:01

#	User	Length	Language	Date
1	Buster Hultgren Wärn	1919	Zig	2024-10-25 10:07:05
2	Mattias Hinnerson	1945	Zig	2024-11-06 07:39:35

Solution running time distribution