Problem X
Hidden Password — Problem Statistics

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Submissions	4782
Accepted submissions	2162
Submission ratio	45.21%
Authors	2121
Accepted authors	1864
Author ratio	87.88%

#	User	Runtime	Language	Date
1	Benjamin Pintér	0.01 s	C#	2016-03-29 21:32:52
2	Raja Sanjeev Kumar Nakka	0.01 s	C#	2016-05-09 17:28:37
3	Robert Low	0.01 s	C#	2016-07-16 22:53:28
4	Duelene Olson	0.01 s	C#	2016-07-18 21:26:37
5	Jonas Klintberg	0.01 s	C#	2016-09-08 15:45:27
6	Cody Barnes	0.01 s	C#	2016-10-02 19:20:00
7	Joseph Pugliano	0.01 s	C#	2017-02-22 23:08:38
8	Thor Fernholm	0.01 s	C#	2017-03-14 10:40:35
9	Firas Al Omary	0.01 s	C#	2017-03-23 06:55:20
10	Rasmus Brants	0.01 s	C#	2017-04-26 10:06:42

#	User	Runtime	Language	Date
1	Jacob Harris Cryer Kragh	0.03 s	F#	2022-12-30 18:56:37

#	User	Runtime	Language	Date
1	Alejandro Germain	0.07 s	Go	2018-10-18 20:43:59
2	Theo Coyne Morgan	0.07 s	Go	2019-02-08 16:49:00
3	Ainun Nazieb	0.08 s	Go	2020-09-24 20:54:27
4	Norbert Voelker	0.08 s	Go	2021-05-22 20:43:56
5	Krzysztof Gibuła	0.08 s	Go	2021-05-29 14:23:14
6	Resa Renaldy	0.08 s	Go	2022-03-14 15:13:03

#	User	Runtime	Language	Date
1	Taras Romanyuk	0.04 s	Java	2024-10-07 21:34:33
2	Ranjith M	0.04 s	Java	2025-03-11 18:45:19
3	polimed	0.04 s	Java	2025-06-28 21:13:07
4	Nick Wu	0.05 s	Java	2015-11-08 00:01:30
5	Brandon Morris	0.05 s	Java	2015-11-09 14:46:30
6	Matthew Worley	0.05 s	Java	2015-11-10 20:35:39
7	Omar Brome	0.05 s	Java	2015-11-21 10:39:14
8	Marius de Vogel	0.05 s	Java	2015-11-25 00:22:47
9	Patrick Nobbe	0.05 s	Java	2015-11-25 11:40:25
10	David Auer	0.05 s	Java	2015-11-26 14:31:55

#	User	Runtime	Language	Date
1	Ster Sar	0.09 s	JavaScript (Node.js)	2023-02-24 11:32:37
2	Angelou Konstantinos	0.09 s	JavaScript (Node.js)	2023-02-24 11:39:25
3	Victor Byron Vásquez Reynolds	0.40 s	JavaScript (Node.js)	2019-09-12 01:33:17
4	Álvaro Martín Callejas Herrera	0.40 s	JavaScript (Node.js)	2019-09-12 17:59:57
5	Omar Cespedes	0.41 s	JavaScript (Node.js)	2019-09-11 21:56:29
6	Khin Nyunt	0.42 s	JavaScript (Node.js)	2021-11-17 06:56:10
7	Niamh Limerick	0.42 s	JavaScript (Node.js)	2022-03-30 16:12:23

#	User	Runtime	Language	Date
1	Peter Kedemo	0.01 s	JavaScript (SpiderMonkey)	2015-12-20 23:17:22
2	Bjørn Chr. Soltvedt	0.01 s	JavaScript (SpiderMonkey)	2016-01-06 22:39:41
3	Gabriel Lau	0.01 s	JavaScript (SpiderMonkey)	2016-03-19 04:10:42
4	J M	0.01 s	JavaScript (SpiderMonkey)	2016-12-03 04:34:07
5	Saravanan Kathiresan	0.01 s	JavaScript (SpiderMonkey)	2017-06-04 07:25:15
6	Hai Yang Xu	0.01 s	JavaScript (SpiderMonkey)	2017-09-24 04:59:16
7	Peter Menyes	0.02 s	JavaScript (SpiderMonkey)	2021-10-11 18:44:24
8	Christian Cederquist	0.02 s	JavaScript (SpiderMonkey)	2023-03-01 19:41:56

#	User	Runtime	Language	Date
1	Gabriel Galvez	0.30 s	Julia	2025-04-05 20:30:53
2	Timothy Gaede	0.52 s	Julia	2024-05-05 03:18:18

#	User	Runtime	Language	Date
1	Dayan Ruben Gonzalez	0.15 s	Kotlin	2020-09-29 16:53:49
2	Kelly Dance	0.17 s	Kotlin	2022-09-14 04:03:38
3	Hidden user	0.18 s	Kotlin	2017-11-26 02:20:41
4	Adam Rankin	0.18 s	Kotlin	2023-08-31 05:41:49
5	Mike Poland	0.19 s	Kotlin	2019-08-12 18:28:57
6	Caden G	0.19 s	Kotlin	2019-11-22 18:18:38
7	Frederik Bjørn Groben Nielsen	0.19 s	Kotlin	2023-09-07 14:16:00

#	User	Runtime	Language	Date
1	Joel Newman	0.00 s	OCaml	2023-11-07 02:14:13

#	User	Runtime	Language	Date
1	David Connolly	0.00 s	Pascal	2021-11-05 17:47:40

#	User	Runtime	Language	Date
1	Susanne Ragnemalm	0.01 s	PHP	2024-06-24 13:20:23

#	User	Runtime	Language	Date
1	Hadi Qovaizi	0.01 s	Prolog	2016-05-28 03:47:24
2	Andriy Zyevakov	0.01 s	Prolog	2017-07-29 13:45:16
3	Matthias Hetzenberger	0.01 s	Prolog	2019-02-12 23:04:15

#	User	Runtime	Language	Date
1	Christofer Ohlsson	0.02 s	Python 2	2015-11-08 12:45:29
2	Uttam Thakore	0.02 s	Python 2	2015-11-11 23:26:00
3	Frederik Højholt	0.02 s	Python 2	2015-11-22 21:18:45
4	Arne Tobias Malkenes Ødegaard	0.02 s	Python 2	2015-12-12 03:06:40
5	Alexander Teno	0.02 s	Python 2	2016-02-24 21:42:59
6	Tin Anh Nguyen	0.02 s	Python 2	2016-03-13 15:25:56
7	Alvaro Silvino	0.02 s	Python 2	2016-03-26 14:00:55
8	Scott Handelman	0.02 s	Python 2	2016-04-19 17:33:52
9	Erik Sillén	0.02 s	Python 2	2016-07-04 14:32:25
10	Jennie Olsson	0.02 s	Python 2	2016-07-08 13:20:01

#	User	Runtime	Language	Date
1	Heidi Sand	0.02 s	Python 3	2015-11-20 10:34:01
2	Emil Riis Hansen	0.02 s	Python 3	2015-11-21 16:25:11
3	Johannes Agestam	0.02 s	Python 3	2015-12-08 21:42:41
4	Kent Tsuenchy	0.02 s	Python 3	2016-01-29 23:38:14
5	Wayne	0.02 s	Python 3	2016-01-30 13:46:17
6	Kyle Verhoog	0.02 s	Python 3	2016-02-09 02:51:24
7	Anja Trop	0.02 s	Python 3	2016-02-09 17:37:05
8	Jeramy Lochner	0.02 s	Python 3	2016-02-20 18:54:22
9	Johan Sannemo	0.02 s	Python 3	2016-04-04 11:12:08
10	Magnus Thomé	0.02 s	Python 3	2016-04-08 18:30:41

#	User	Runtime	Language	Date
1	Casper Christensen	0.03 s	Ruby	2016-03-12 21:08:56
2	Lasse Berglund	0.03 s	Ruby	2016-04-11 15:58:32
3	Erik Rydbert	0.03 s	Ruby	2016-07-08 09:32:18
4	Martin Larsson	0.03 s	Ruby	2017-03-03 19:39:39
5	Hidden user	0.04 s	Ruby	2019-03-20 12:52:25
6	Nucleo Extensão em Tecnologia da Informação	0.05 s	Ruby	2019-06-01 21:26:23
7	Davi Guimarães Leite	0.05 s	Ruby	2019-06-07 20:05:02
8	Kok Dith	0.05 s	Ruby	2021-08-30 13:25:24
9	Thomas Feld	0.06 s	Ruby	2023-03-15 10:28:31

#	User	Runtime	Language	Date
1	Bas Dirks	0.00 s	Rust	2022-02-01 18:27:47
2	Hidden user	0.00 s	Rust	2023-10-12 20:47:58
3	Brandon Hu	0.00 s	Rust	2024-02-09 19:22:15
4	Vincent Lagerros	0.00 s	Rust	2025-01-24 19:06:49
5	Egor Kulikov	0.00 s	Rust	2025-02-09 12:18:41
6	Chris Seager	0.00 s	Rust	2025-04-10 00:28:46

#	User	Length	Language	Date
1	Mouad Naciri	329	C	2017-04-09 15:35:36
2	Mattia Marziali	406	C	2024-03-24 23:19:15
3	pengin	467	C	2021-11-23 11:33:38
4	Anthony Clark	505	C	2017-03-26 22:16:58
5	Kezia Nathania	512	C	2020-09-10 15:46:45
6	Tyler Jenkins	516	C	2016-07-25 16:31:23
7	Mickael Torres	537	C	2018-05-23 16:33:18
8	Larry D. Pyeatt	556	C	2016-10-01 20:10:59
9	Emil Bengtsson	608	C	2018-03-01 19:54:55
10	Navya Zaveri	639	C	2016-11-18 18:09:27

#	User	Length	Language	Date
1	traxex	263	C#	2024-05-06 18:18:21
2	Imad Odeh	538	C#	2019-09-18 20:28:39
3	Göran Andersson	554	C#	2022-05-25 01:59:49
4	Khin Nyunt	616	C#	2016-04-30 05:59:34
5	Benjamin Applegate	679	C#	2023-09-14 08:29:49
6	Zach Champeau	727	C#	2023-09-12 21:11:03
7	Jonas Klintberg	883	C#	2016-09-08 15:45:27
8	Jeremiah A. Stringer	898	C#	2017-02-23 02:54:09
9	Eric Weiss	919	C#	2022-09-19 15:41:45
10	Umar Rasyid	941	C#	2025-07-03 23:21:33

#	User	Length	Language	Date
1	Hidden user	273	C++	2024-11-22 20:55:31
2	Grae Yeandle	276	C++	2016-11-22 14:30:14
3	Gustav Nilsson	307	C++	2016-05-31 21:29:11
4	Antonio Molina Lovett	319	C++	2016-08-06 21:17:50
5	Clement Oh	319	C++	2023-11-13 07:56:19
6	Herman Karlsson	335	C++	2015-11-20 15:32:34
7	Naufal Aziz	356	C++	2017-01-19 02:44:28
8	Hidden user	358	C++	2023-06-27 19:46:31
9	Đoàn Công Chính	370	C++	2018-01-08 22:45:32
10	Alexander Skidanov	385	C++	2024-12-10 18:34:10

#	User	Length	Language	Date
1	Jacob Harris Cryer Kragh	661	F#	2022-12-30 18:56:37

#	User	Length	Language	Date
1	Theo Coyne Morgan	383	Go	2019-02-08 16:49:00
2	Ainun Nazieb	471	Go	2020-09-24 20:54:27
3	Alejandro Germain	515	Go	2018-10-18 20:43:59
4	Norbert Voelker	680	Go	2021-05-22 20:43:56
5	Krzysztof Gibuła	733	Go	2021-05-29 14:23:14
6	Resa Renaldy	771	Go	2022-03-14 15:13:03

#	User	Length	Language	Date
1	Lars Tveito	268	Haskell	2016-09-26 23:17:58
2	Martin Jackson	277	Haskell	2017-04-29 03:01:00
3	Ye Ji	289	Haskell	2017-06-02 18:29:43
4	Peter Deal	306	Haskell	2016-05-14 05:25:42
5	Antony Lee	314	Haskell	2018-01-23 01:03:38
6	Erik Präntare	315	Haskell	2018-03-21 22:20:56
7	Diego Pedraza	329	Haskell	2017-03-09 11:50:56
8	Johan Meier	336	Haskell	2017-01-06 07:55:18
9	Brent Yorgey	396	Haskell	2017-10-22 01:47:20
10	Rafael Gonzalez Lopez	404	Haskell	2017-03-10 21:01:05

#	User	Length	Language	Date
1	Andrew Hopper	490	Java	2016-02-15 20:49:07
2	Khin Nyunt	504	Java	2017-11-10 08:06:44
3	Brett Fazio	513	Java	2017-12-15 17:08:44
4	Juan Gutierrez	537	Java	2017-04-15 21:12:19
5	Antonio Ramos	558	Java	2017-02-11 19:57:20
6	Caleb Clark	573	Java	2015-11-23 23:29:24
7	Simon Xue	577	Java	2015-11-10 02:03:57
8	Godmar Back	579	Java	2016-10-03 19:48:13
9	Daniel Angulo Sanchez	585	Java	2016-12-02 05:59:23
10	Samuel Klingström	595	Java	2017-03-19 21:38:54

#	User	Length	Language	Date
1	Álvaro Martín Callejas Herrera	660	JavaScript (Node.js)	2019-09-12 17:59:57
2	Omar Cespedes	686	JavaScript (Node.js)	2019-09-11 21:56:29
3	Khin Nyunt	823	JavaScript (Node.js)	2021-11-17 06:56:10
4	Victor Byron Vásquez Reynolds	841	JavaScript (Node.js)	2019-09-12 01:33:17
5	Ster Sar	946	JavaScript (Node.js)	2023-02-24 11:32:37
6	Angelou Konstantinos	1365	JavaScript (Node.js)	2023-02-24 11:39:25
7	Niamh Limerick	1369	JavaScript (Node.js)	2022-03-30 16:12:23

#	User	Length	Language	Date
1	Christian Cederquist	258	JavaScript (SpiderMonkey)	2023-03-01 19:41:56
2	Peter Menyes	324	JavaScript (SpiderMonkey)	2021-10-11 18:44:24
3	Hai Yang Xu	329	JavaScript (SpiderMonkey)	2017-09-24 04:59:16
4	J M	388	JavaScript (SpiderMonkey)	2016-12-03 04:34:07
5	Bjørn Chr. Soltvedt	542	JavaScript (SpiderMonkey)	2016-01-06 22:39:41
6	Peter Kedemo	558	JavaScript (SpiderMonkey)	2015-12-20 23:17:22
7	Gabriel Lau	771	JavaScript (SpiderMonkey)	2016-03-19 04:10:42
8	Saravanan Kathiresan	1270	JavaScript (SpiderMonkey)	2017-06-04 07:25:15

#	User	Length	Language	Date
1	Timothy Gaede	387	Julia	2024-05-05 03:18:18
2	Gabriel Galvez	767	Julia	2025-04-05 20:30:53

#	User	Length	Language	Date
1	Dayan Ruben Gonzalez	360	Kotlin	2020-09-29 16:53:49
2	Hidden user	423	Kotlin	2017-11-26 02:20:41
3	Kelly Dance	458	Kotlin	2022-09-14 04:03:38
4	Frederik Bjørn Groben Nielsen	503	Kotlin	2023-09-07 14:16:00
5	Caden G	542	Kotlin	2019-11-22 18:18:38
6	Mike Poland	712	Kotlin	2019-08-12 18:28:57
7	Adam Rankin	844	Kotlin	2023-08-31 05:41:49

#	User	Length	Language	Date
1	Joel Newman	934	OCaml	2023-11-07 02:14:13

#	User	Length	Language	Date
1	David Connolly	1470	Pascal	2021-11-05 17:47:40

#	User	Length	Language	Date
1	Susanne Ragnemalm	581	PHP	2024-06-24 13:20:23

#	User	Length	Language	Date
1	Andriy Zyevakov	413	Prolog	2017-07-29 13:45:16
2	Matthias Hetzenberger	1131	Prolog	2019-02-12 23:04:15
3	Hadi Qovaizi	6023	Prolog	2016-05-28 03:49:49

#	User	Length	Language	Date
1	Thomas Feld	138	Python 2	2019-08-26 14:09:56
2	Eoin Davey	229	Python 2	2017-09-04 16:21:15
3	Cole Bite	232	Python 2	2017-03-15 23:34:34
4	Haggai Liu	237	Python 2	2017-07-09 08:18:33
5	Hunter Morris	255	Python 2	2016-10-01 20:09:18
6	Muzakhir Amanzholov	269	Python 2	2017-02-16 03:12:16
7	Adriaan de Vries	273	Python 2	2017-08-10 11:11:39
8	Jesper Öqvist	273	Python 2	2018-10-27 14:02:18
9	João Pedro Alvito	275	Python 2	2018-03-23 15:54:42
10	Arne Tobias Malkenes Ødegaard	279	Python 2	2015-12-12 03:06:40

#	User	Length	Language	Date
1	Ahmed Chamseddine	119	Python 3	2024-09-17 09:33:53
2	Eugin Pahk	120	Python 3	2023-09-13 00:40:00
3	Benjamin Z White	124	Python 3	2023-05-09 23:33:45
4	Liam Kellogg	132	Python 3	2023-09-15 02:50:00
5	Joel Niemelä	146	Python 3	2025-05-31 18:35:18
6	Nguyen Cao Duy	147	Python 3	2024-04-04 08:06:06
7	Tai Tze Kin	153	Python 3	2024-05-08 09:35:33
8	Jayden Pahukula	159	Python 3	2023-09-10 21:47:06
9	Brandon Tang	168	Python 3	2021-11-24 09:31:23
10	Troels Bjerre Lund	169	Python 3	2019-06-08 21:15:52

#	User	Length	Language	Date
1	Thomas Feld	82	Ruby	2023-03-15 10:28:31
2	Hidden user	264	Ruby	2019-03-20 12:52:25
3	Casper Christensen	295	Ruby	2016-03-12 21:08:56
4	Kok Dith	324	Ruby	2021-08-30 13:25:24
5	Martin Larsson	358	Ruby	2017-03-03 19:39:39
6	Nucleo Extensão em Tecnologia da Informação	400	Ruby	2019-06-01 21:26:23
7	Davi Guimarães Leite	400	Ruby	2019-06-07 20:05:02
8	Lasse Berglund	546	Ruby	2016-04-11 15:58:32
9	Erik Rydbert	619	Ruby	2016-07-08 09:32:18

#	User	Length	Language	Date
1	Vincent Lagerros	937	Rust	2025-01-24 19:06:49
2	Brandon Hu	1047	Rust	2024-02-09 19:22:15
3	Chris Seager	1582	Rust	2025-04-10 00:28:46
4	Hidden user	1682	Rust	2023-10-12 20:47:58
5	Bas Dirks	2030	Rust	2022-02-01 18:27:47
6	Egor Kulikov	20296	Rust	2025-02-09 12:18:41

Solution running time distribution