Problem D
Climbing Stairs — Problem Statistics

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Submissions	3080
Accepted submissions	898
Submission ratio	29.16%
Authors	910
Full solves [?]	746
Full solve Ratio	81.98%

#	User	Runtime	Language	Date
1	Thomas Feld	0.01 s	APL	2023-04-26 10:27:10

#	User	Runtime	Language	Date
1	Chenzhang Hu	0.06 s	Bash	2023-09-26 18:12:23
2	Thomas Feld	0.06 s	Bash	2023-09-28 15:55:15

#	User	Runtime	Language	Date
1	Rudi Svartveit	0.00 s	C	2019-11-02 12:09:43
2	Ivan Petrov	0.00 s	C	2019-11-21 08:46:28
3	Bergur Snorrason	0.00 s	C	2020-01-07 10:00:49
4	Leslie Yip	0.00 s	C	2022-09-25 15:28:26
5	Eyleifur Bjarkason	0.00 s	C	2022-12-08 20:56:51
6	Jeisson Hidalgo-Céspedes	0.00 s	C	2023-01-10 18:40:38
7	Hidden user	0.00 s	C	2024-02-09 19:14:29
8	Mirel Cosulschi	0.00 s	C	2025-01-26 17:47:47

#	User	Runtime	Language	Date
1	Benjamin Bilbeau	0.04 s	C#	2023-10-24 22:24:36
2	Steve Williams	0.04 s	C#	2023-10-27 01:35:42
3	Aysen De La Cruz	0.04 s	C#	2025-03-04 03:25:21
4	Nathan Andrews	0.05 s	C#	2024-09-17 20:26:46

#	User	Runtime	Language	Date
1	David Cawthon	0.01 s	Common Lisp	2020-09-13 20:24:29

#	User	Runtime	Language	Date
1	Nathan Lee	0.00 s	Go	2025-10-22 23:51:37
2	Norbert Voelker	0.02 s	Go	2023-03-20 13:49:25

#	User	Runtime	Language	Date
1	Brandon Tang	0.00 s	Haskell	2023-05-21 20:46:25
2	Brent Yorgey	0.01 s	Haskell	2019-12-18 23:11:31
3	Matthew Craven	0.01 s	Haskell	2021-01-24 21:10:38

#	User	Runtime	Language	Date
1	Taras Romanyuk	0.04 s	Java	2024-12-08 23:49:29
2	CUX "INDIO" PRADA	0.04 s	Java	2025-01-10 12:16:02
3	Liam Keliher	0.06 s	Java	2020-12-01 00:40:00
4	Thomas Yang	0.06 s	Java	2021-01-16 20:12:32
5	Shubham Bhargava	0.06 s	Java	2021-01-24 18:17:42
6	Oliver Hayman	0.06 s	Java	2021-01-24 19:19:33
7	Ray Bai	0.06 s	Java	2021-01-24 20:06:56
8	Frederick Pek	0.06 s	Java	2021-03-20 18:05:37
9	Joas Haunstrup	0.06 s	Java	2021-05-10 23:43:58
10	Tan Gian Yion	0.06 s	Java	2021-12-28 15:01:33

#	User	Runtime	Language	Date
1	Bjørn Chr. Soltvedt	0.02 s	JavaScript (SpiderMonkey)	2022-08-31 22:00:16
2	Christian Pilegaard Cederquist	0.02 s	JavaScript (SpiderMonkey)	2023-04-09 10:39:09

#	User	Runtime	Language	Date
1	Jacob Huebner	0.16 s	Kotlin	2020-02-29 06:04:51
2	Adam Rankin	0.19 s	Kotlin	2023-08-30 04:47:16
3	Danny Mittal	0.20 s	Kotlin	2021-01-24 23:22:30
4	Phường Lên	0.21 s	Kotlin	2020-04-16 02:40:57

#	User	Runtime	Language	Date
1	Caleb Austin	0.00 s	Lua	2024-09-14 00:14:02

#	User	Runtime	Language	Date
1	Olav Røthe Bakken	0.03 s	Python 2	2019-11-02 14:48:59
2	Lars Åström	0.03 s	Python 2	2019-11-10 10:12:32
3	Maj Stenmark	0.03 s	Python 2	2019-11-10 10:33:17
4	Erik Amirell Eklöf	0.03 s	Python 2	2019-11-10 10:50:39
5	Åke Wettergren	0.03 s	Python 2	2019-11-10 16:54:42
6	Thomas Feld	0.03 s	Python 2	2019-11-11 11:15:26
7	Måns Magnusson	0.03 s	Python 2	2020-09-03 21:09:57
8	Ryan Yoshida	0.04 s	Python 2	2019-11-03 23:00:03
9	Arne Tobias Malkenes Ødegaard	0.05 s	Python 2	2019-11-02 12:45:02
10	Andreas Björklund	0.05 s	Python 2	2019-11-03 11:03:01

#	User	Runtime	Language	Date
1	Tobias Glimmerfors	0.02 s	Python 3	2019-11-02 11:21:17
2	Alexander Kvamme	0.02 s	Python 3	2019-11-02 12:40:59
3	Jonas Elpelt	0.02 s	Python 3	2019-11-02 12:51:49
4	Anton Hansson	0.02 s	Python 3	2019-11-02 12:52:24
5	Even Berge Sandvik	0.02 s	Python 3	2019-11-02 13:19:38
6	Steffen Andrè Grønmo	0.02 s	Python 3	2019-11-02 14:42:22
7	Atli Fannar Franklín	0.02 s	Python 3	2019-11-03 17:06:33
8	Jørn Lode	0.02 s	Python 3	2019-11-03 18:38:32
9	Mark Saving	0.02 s	Python 3	2019-11-03 19:23:53
10	Eva Noelle Moniz	0.02 s	Python 3	2019-11-03 21:10:42

#	User	Runtime	Language	Date
1	Hidden user	0.05 s	Ruby	2020-06-11 20:53:11
2	Thomas Feld	0.06 s	Ruby	2023-01-04 16:41:18
3	Russell Ng	0.07 s	Ruby	2025-05-28 15:32:50
4	Chenzhang Hu	0.12 s	Ruby	2025-09-22 13:50:34

#	User	Runtime	Language	Date
1	Rudi Svartveit	0.00 s	Rust	2019-11-03 11:30:45
2	Mckinley Xie	0.00 s	Rust	2025-02-28 23:11:49
3	Hidden user	0.00 s	Rust	2025-09-13 14:05:26
4	Hidden user	0.00 s	Rust	2026-01-17 20:13:03

#	User	Length	Language	Date
1	Thomas Feld	39	APL	2023-04-26 10:27:37

#	User	Length	Language	Date
1	Chenzhang Hu	45	Bash	2025-09-12 22:40:10
2	Thomas Feld	47	Bash	2023-09-28 15:55:15

#	User	Length	Language	Date
1	Mirel Cosulschi	390	C	2025-01-26 17:47:47
2	Ivan Petrov	430	C	2019-11-21 08:46:28
3	Leslie Yip	622	C	2022-09-25 15:28:26
4	Hidden user	789	C	2024-02-09 19:14:29
5	Rudi Svartveit	1140	C	2019-11-02 12:09:43
6	Bergur Snorrason	1884	C	2020-01-07 10:00:49
7	Jeisson Hidalgo-Céspedes	2111	C	2023-01-10 18:40:38
8	Eyleifur Bjarkason	7354	C	2022-12-08 20:56:51

#	User	Length	Language	Date
1	Nathan Andrews	608	C#	2024-09-17 20:26:46
2	Aysen De La Cruz	683	C#	2025-03-04 03:25:21
3	Benjamin Bilbeau	1017	C#	2023-10-24 22:24:36
4	Steve Williams	2057	C#	2023-10-27 01:35:42

#	User	Length	Language	Date
1	Tyler Fernando	106	C++	2022-11-08 05:25:00
2	Aditya Sundaram	166	C++	2021-02-11 07:17:54
3	Marc Vinyals	168	C++	2019-11-02 11:14:57
4	Hidden user	170	C++	2025-10-22 04:45:06
5	Hidden user	196	C++	2024-02-27 21:30:43
6	Steven Gay	200	C++	2021-03-16 11:54:31
7	Nathan Mandell	201	C++	2019-11-11 23:46:27
8	Yeung Man Tsung	204	C++	2022-11-19 10:02:20
9	Nixon Widjaja	204	C++	2022-12-28 17:43:51
10	Hoang Trong Tan	215	C++	2022-11-13 08:44:47

#	User	Length	Language	Date
1	David Cawthon	2541	Common Lisp	2020-09-13 20:24:29

#	User	Length	Language	Date
1	Norbert Voelker	753	Go	2023-03-20 13:49:25
2	Nathan Lee	1029	Go	2025-10-22 23:51:37

#	User	Length	Language	Date
1	Matthew Craven	325	Haskell	2021-01-24 21:10:38
2	Brandon Tang	502	Haskell	2023-05-21 20:46:25
3	Brent Yorgey	1599	Haskell	2019-12-18 23:11:31

#	User	Length	Language	Date
1	LovetheFrogs	337	Java	2023-07-25 21:43:44
2	Charles Lyu	406	Java	2019-11-03 20:39:20
3	Lim Jacob	441	Java	2023-08-18 08:08:37
4	Carl Stilvén	448	Java	2023-10-24 22:08:50
5	Jonas Klausen	481	Java	2019-11-10 14:17:34
6	Carter Shavitz	516	Java	2024-02-08 17:15:38
7	Yeboah Peacebridge Osei	529	Java	2024-02-12 08:07:57
8	周语林	550	Java	2021-01-16 23:21:42
9	Peter Li	552	Java	2021-01-16 20:20:15
10	Jevgenijus Cistiakovas	565	Java	2019-12-17 18:58:10

#	User	Length	Language	Date
1	Christian Pilegaard Cederquist	124	JavaScript (SpiderMonkey)	2023-04-09 10:39:09
2	Bjørn Chr. Soltvedt	265	JavaScript (SpiderMonkey)	2022-08-31 22:00:16

#	User	Length	Language	Date
1	Adam Rankin	316	Kotlin	2023-08-30 04:47:16
2	Phường Lên	386	Kotlin	2020-04-16 02:40:57
3	Jacob Huebner	475	Kotlin	2020-02-29 06:04:51
4	Danny Mittal	1378	Kotlin	2021-01-24 23:22:30

#	User	Length	Language	Date
1	Caleb Austin	709	Lua	2024-09-14 00:14:02

#	User	Length	Language	Date
1	Lars Åström	74	Python 2	2019-11-10 10:12:32
2	Åke Wettergren	74	Python 2	2019-11-10 16:54:42
3	Thomas Feld	76	Python 2	2019-11-11 11:15:26
4	Andreas Björklund	80	Python 2	2019-11-03 11:03:01
5	Olav Røthe Bakken	129	Python 2	2019-11-02 14:48:59
6	Maj Stenmark	161	Python 2	2019-11-10 10:33:17
7	Måns Magnusson	161	Python 2	2020-09-03 21:09:57
8	Erik Amirell Eklöf	180	Python 2	2019-11-10 10:50:39
9	Arne Tobias Malkenes Ødegaard	259	Python 2	2019-11-02 12:45:02
10	Ryan Yoshida	313	Python 2	2019-11-03 23:00:03

#	User	Length	Language	Date
1	Hidden user	57	Python 3	2025-03-01 07:20:55
2	Nhat Bui	57	Python 3	2025-03-01 07:44:25
3	Ahmed Chamseddine	65	Python 3	2022-11-09 18:53:14
4	Jesper Bech Christensen	69	Python 3	2022-09-15 21:45:50
5	Peter Stauder	69	Python 3	2023-05-01 20:13:58
6	Lee Isaac	70	Python 3	2022-11-09 20:08:42
7	Charles Ancheta	71	Python 3	2023-03-25 23:28:13
8	Yong Mao	72	Python 3	2022-10-20 14:38:30
9	Hidden user	85	Python 3	2023-08-21 15:32:05
10	Joshua Lass	87	Python 3	2025-04-13 06:57:20

#	User	Length	Language	Date
1	Thomas Feld	46	Ruby	2023-08-29 12:47:14
2	Russell Ng	50	Ruby	2025-05-28 15:32:50
3	Hidden user	76	Ruby	2020-06-11 20:55:19
4	Chenzhang Hu	148	Ruby	2025-09-22 13:50:34

#	User	Length	Language	Date
1	Hidden user	606	Rust	2026-01-17 20:13:03
2	Rudi Svartveit	905	Rust	2019-11-03 11:30:45
3	Mckinley Xie	1122	Rust	2025-02-28 23:11:49
4	Hidden user	9370	Rust	2025-09-13 14:05:26

Solution running time distribution