Problem F
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 08:27:10

#	User	Runtime	Language	Date
1	Chenzhang Hu	0.06 s	Bash	2023-09-26 16:12:23
2	Thomas Feld	0.06 s	Bash	2023-09-28 13:55:15

#	User	Runtime	Language	Date
1	Rudi Svartveit	0.00 s	C	2019-11-02 11:09:43
2	Ivan Petrov	0.00 s	C	2019-11-21 07:46:28
3	Bergur Snorrason	0.00 s	C	2020-01-07 09:00:49
4	Leslie Yip	0.00 s	C	2022-09-25 13:28:26
5	Eyleifur Bjarkason	0.00 s	C	2022-12-08 19:56:51
6	Jeisson Hidalgo-Céspedes	0.00 s	C	2023-01-10 17:40:38
7	Hidden user	0.00 s	C	2024-02-09 18:14:29
8	Mirel Cosulschi	0.00 s	C	2025-01-26 16:47:47

#	User	Runtime	Language	Date
1	Benjamin Bilbeau	0.04 s	C#	2023-10-24 20:24:36
2	Steve Williams	0.04 s	C#	2023-10-26 23:35:42
3	Aysen De La Cruz	0.04 s	C#	2025-03-04 02:25:21
4	Nathan Andrews	0.05 s	C#	2024-09-17 18:26:46

#	User	Runtime	Language	Date
1	David Cawthon	0.01 s	Common Lisp	2020-09-13 18:24:29

#	User	Runtime	Language	Date
1	Nathan Lee	0.00 s	Go	2025-10-22 21:51:37
2	Norbert Voelker	0.02 s	Go	2023-03-20 12:49:25

#	User	Runtime	Language	Date
1	Brandon Tang	0.00 s	Haskell	2023-05-21 18:46:25
2	Brent Yorgey	0.01 s	Haskell	2019-12-18 22:11:31
3	Matthew Craven	0.01 s	Haskell	2021-01-24 20:10:38

#	User	Runtime	Language	Date
1	Taras Romanyuk	0.04 s	Java	2024-12-08 22:49:29
2	CUX "INDIO" PRADA	0.04 s	Java	2025-01-10 11:16:02
3	Liam Keliher	0.06 s	Java	2020-11-30 23:40:00
4	Thomas Yang	0.06 s	Java	2021-01-16 19:12:32
5	Shubham Bhargava	0.06 s	Java	2021-01-24 17:17:42
6	Oliver Hayman	0.06 s	Java	2021-01-24 18:19:33
7	Ray Bai	0.06 s	Java	2021-01-24 19:06:56
8	Frederick Pek	0.06 s	Java	2021-03-20 17:05:37
9	Joas Haunstrup	0.06 s	Java	2021-05-10 21:43:58
10	Tan Gian Yion	0.06 s	Java	2021-12-28 14:01:33

#	User	Runtime	Language	Date
1	Bjørn Chr. Soltvedt	0.02 s	JavaScript (SpiderMonkey)	2022-08-31 20:00:16
2	Christian Pilegaard Cederquist	0.02 s	JavaScript (SpiderMonkey)	2023-04-09 08:39:09

#	User	Runtime	Language	Date
1	Jacob Huebner	0.16 s	Kotlin	2020-02-29 05:04:51
2	Adam Rankin	0.19 s	Kotlin	2023-08-30 02:47:16
3	Danny Mittal	0.20 s	Kotlin	2021-01-24 22:22:30
4	Phường Lên	0.21 s	Kotlin	2020-04-16 00:40:57

#	User	Runtime	Language	Date
1	Caleb Austin	0.00 s	Lua	2024-09-13 22:14:02

#	User	Runtime	Language	Date
1	Olav Røthe Bakken	0.03 s	Python 2	2019-11-02 13:48:59
2	Lars Åström	0.03 s	Python 2	2019-11-10 09:12:32
3	Maj Stenmark	0.03 s	Python 2	2019-11-10 09:33:17
4	Erik Amirell Eklöf	0.03 s	Python 2	2019-11-10 09:50:39
5	Åke Wettergren	0.03 s	Python 2	2019-11-10 15:54:42
6	Thomas Feld	0.03 s	Python 2	2019-11-11 10:15:26
7	Måns Magnusson	0.03 s	Python 2	2020-09-03 19:09:57
8	Ryan Yoshida	0.04 s	Python 2	2019-11-03 22:00:03
9	Arne Tobias Malkenes Ødegaard	0.05 s	Python 2	2019-11-02 11:45:02
10	Andreas Björklund	0.05 s	Python 2	2019-11-03 10:03:01

#	User	Runtime	Language	Date
1	Tobias Glimmerfors	0.02 s	Python 3	2019-11-02 10:21:17
2	Alexander Kvamme	0.02 s	Python 3	2019-11-02 11:40:59
3	Jonas Elpelt	0.02 s	Python 3	2019-11-02 11:51:49
4	Anton Hansson	0.02 s	Python 3	2019-11-02 11:52:24
5	Even Berge Sandvik	0.02 s	Python 3	2019-11-02 12:19:38
6	Steffen Andrè Grønmo	0.02 s	Python 3	2019-11-02 13:42:22
7	Atli Fannar Franklín	0.02 s	Python 3	2019-11-03 16:06:33
8	Jørn Lode	0.02 s	Python 3	2019-11-03 17:38:32
9	Mark Saving	0.02 s	Python 3	2019-11-03 18:23:53
10	Eva Noelle Moniz	0.02 s	Python 3	2019-11-03 20:10:42

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

#	User	Runtime	Language	Date
1	Rudi Svartveit	0.00 s	Rust	2019-11-03 10:30:45
2	Mckinley Xie	0.00 s	Rust	2025-02-28 22:11:49
3	Hidden user	0.00 s	Rust	2025-09-13 12:05:26
4	Hidden user	0.00 s	Rust	2026-01-17 19:13:03

#	User	Length	Language	Date
1	Thomas Feld	39	APL	2023-04-26 08:27:37

#	User	Length	Language	Date
1	Chenzhang Hu	45	Bash	2025-09-12 20:40:10
2	Thomas Feld	47	Bash	2023-09-28 13:55:15

#	User	Length	Language	Date
1	Mirel Cosulschi	390	C	2025-01-26 16:47:47
2	Ivan Petrov	430	C	2019-11-21 07:46:28
3	Leslie Yip	622	C	2022-09-25 13:28:26
4	Hidden user	789	C	2024-02-09 18:14:29
5	Rudi Svartveit	1140	C	2019-11-02 11:09:43
6	Bergur Snorrason	1884	C	2020-01-07 09:00:49
7	Jeisson Hidalgo-Céspedes	2111	C	2023-01-10 17:40:38
8	Eyleifur Bjarkason	7354	C	2022-12-08 19:56:51

#	User	Length	Language	Date
1	Nathan Andrews	608	C#	2024-09-17 18:26:46
2	Aysen De La Cruz	683	C#	2025-03-04 02:25:21
3	Benjamin Bilbeau	1017	C#	2023-10-24 20:24:36
4	Steve Williams	2057	C#	2023-10-26 23:35:42

#	User	Length	Language	Date
1	Tyler Fernando	106	C++	2022-11-08 04:25:00
2	Aditya Sundaram	166	C++	2021-02-11 06:17:54
3	Marc Vinyals	168	C++	2019-11-02 10:14:57
4	Hidden user	170	C++	2025-10-22 02:45:06
5	Hidden user	196	C++	2024-02-27 20:30:43
6	Steven Gay	200	C++	2021-03-16 10:54:31
7	Nathan Mandell	201	C++	2019-11-11 22:46:27
8	Yeung Man Tsung	204	C++	2022-11-19 09:02:20
9	Nixon Widjaja	204	C++	2022-12-28 16:43:51
10	Hoang Trong Tan	215	C++	2022-11-13 07:44:47

#	User	Length	Language	Date
1	David Cawthon	2541	Common Lisp	2020-09-13 18:24:29

#	User	Length	Language	Date
1	Norbert Voelker	753	Go	2023-03-20 12:49:25
2	Nathan Lee	1029	Go	2025-10-22 21:51:37

#	User	Length	Language	Date
1	Matthew Craven	325	Haskell	2021-01-24 20:10:38
2	Brandon Tang	502	Haskell	2023-05-21 18:46:25
3	Brent Yorgey	1599	Haskell	2019-12-18 22:11:31

#	User	Length	Language	Date
1	LovetheFrogs	337	Java	2023-07-25 19:43:44
2	Charles Lyu	406	Java	2019-11-03 19:39:20
3	Lim Jacob	441	Java	2023-08-18 06:08:37
4	Carl Stilvén	448	Java	2023-10-24 20:08:50
5	Jonas Klausen	481	Java	2019-11-10 13:17:34
6	Carter Shavitz	516	Java	2024-02-08 16:15:38
7	Yeboah Peacebridge Osei	529	Java	2024-02-12 07:07:57
8	周语林	550	Java	2021-01-16 22:21:42
9	Peter Li	552	Java	2021-01-16 19:20:15
10	Jevgenijus Cistiakovas	565	Java	2019-12-17 17:58:10

#	User	Length	Language	Date
1	Christian Pilegaard Cederquist	124	JavaScript (SpiderMonkey)	2023-04-09 08:39:09
2	Bjørn Chr. Soltvedt	265	JavaScript (SpiderMonkey)	2022-08-31 20:00:16

#	User	Length	Language	Date
1	Adam Rankin	316	Kotlin	2023-08-30 02:47:16
2	Phường Lên	386	Kotlin	2020-04-16 00:40:57
3	Jacob Huebner	475	Kotlin	2020-02-29 05:04:51
4	Danny Mittal	1378	Kotlin	2021-01-24 22:22:30

#	User	Length	Language	Date
1	Caleb Austin	709	Lua	2024-09-13 22:14:02

#	User	Length	Language	Date
1	Lars Åström	74	Python 2	2019-11-10 09:12:32
2	Åke Wettergren	74	Python 2	2019-11-10 15:54:42
3	Thomas Feld	76	Python 2	2019-11-11 10:15:26
4	Andreas Björklund	80	Python 2	2019-11-03 10:03:01
5	Olav Røthe Bakken	129	Python 2	2019-11-02 13:48:59
6	Maj Stenmark	161	Python 2	2019-11-10 09:33:17
7	Måns Magnusson	161	Python 2	2020-09-03 19:09:57
8	Erik Amirell Eklöf	180	Python 2	2019-11-10 09:50:39
9	Arne Tobias Malkenes Ødegaard	259	Python 2	2019-11-02 11:45:02
10	Ryan Yoshida	313	Python 2	2019-11-03 22:00:03

#	User	Length	Language	Date
1	Hidden user	57	Python 3	2025-03-01 06:20:55
2	Nhat Bui	57	Python 3	2025-03-01 06:44:25
3	Ahmed Chamseddine	65	Python 3	2022-11-09 17:53:14
4	Jesper Bech Christensen	69	Python 3	2022-09-15 19:45:50
5	Peter Stauder	69	Python 3	2023-05-01 18:13:58
6	Lee Isaac	70	Python 3	2022-11-09 19:08:42
7	Charles Ancheta	71	Python 3	2023-03-25 22:28:13
8	Yong Mao	72	Python 3	2022-10-20 12:38:30
9	Hidden user	85	Python 3	2023-08-21 13:32:05
10	Joshua Lass	87	Python 3	2025-04-13 04:57:20

#	User	Length	Language	Date
1	Thomas Feld	46	Ruby	2023-08-29 10:47:14
2	Russell Ng	50	Ruby	2025-05-28 13:32:50
3	Hidden user	76	Ruby	2020-06-11 18:55:19
4	Chenzhang Hu	148	Ruby	2025-09-22 11:50:34

#	User	Length	Language	Date
1	Hidden user	606	Rust	2026-01-17 19:13:03
2	Rudi Svartveit	905	Rust	2019-11-03 10:30:45
3	Mckinley Xie	1122	Rust	2025-02-28 22:11:49
4	Hidden user	9370	Rust	2025-09-13 12:05:26

Solution running time distribution