Problem I
ToLower — Problem Statistics

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Submissions	3257
Accepted submissions	1555
Submission ratio	47.74%
Authors	1573
Accepted authors	1426
Author ratio	90.65%

#	User	Runtime	Language	Date
1	Danny Robinson	0.01 s	Bash	2023-09-28 11:26:28

#	User	Runtime	Language	Date
1	John Ladera	0.02 s	C#	2018-03-18 16:54:16
2	Klas af Geijerstam	0.02 s	C#	2018-03-28 19:55:41
3	Johan Pettersson	0.02 s	C#	2018-05-22 21:06:52
4	Davi Ajmaya	0.02 s	C#	2018-06-07 06:17:32
5	Kunwei Zhang	0.02 s	C#	2018-06-12 10:30:12
6	Duelene Olson	0.02 s	C#	2018-07-11 09:59:04
7	Jens Mossig	0.02 s	C#	2018-07-11 18:19:50
8	Alex Telon	0.02 s	C#	2018-07-17 20:49:49
9	Per-Arne Lennartssony	0.02 s	C#	2018-12-11 15:39:01
10	Joel Keleta	0.02 s	C#	2019-09-19 17:03:59

#	User	Runtime	Language	Date
1	Hidden user	0.03 s	Common Lisp	2019-05-27 19:19:42

#	User	Runtime	Language	Date
1	Jacob Harris Cryer Kragh	0.02 s	F#	2022-12-18 16:41:26

#	User	Runtime	Language	Date
1	Ben Reed	0.02 s	Go	2022-06-08 22:46:18
2	Markus Mathiasen	0.04 s	Go	2022-08-22 11:42:46
3	Alejandro Germain	0.07 s	Go	2018-10-20 22:40:51
4	Norbert Voelker	0.08 s	Go	2021-04-26 18:51:06
5	Krzysztof Gibuła	0.08 s	Go	2021-05-12 22:16:58
6	Jack Kryger Sørensen	0.08 s	Go	2022-01-05 17:32:52

#	User	Runtime	Language	Date
1	Erik Präntare	0.00 s	Haskell	2018-03-21 20:31:25
2	Erik Tjøswold	0.00 s	Haskell	2018-04-05 13:49:31
3	Brent Yorgey	0.00 s	Haskell	2018-04-08 04:08:31
4	Daniel German	0.00 s	Haskell	2018-06-29 00:10:33
5	Md Akif Chowdhury	0.00 s	Haskell	2023-07-10 05:39:17
6	Mason Barnhill	0.00 s	Haskell	2023-07-13 16:21:54
7	Steinar Simonnes	0.00 s	Haskell	2024-02-28 09:44:38
8	Jonathan Goodman	0.01 s	Haskell	2018-05-20 00:24:12
9	Olle Eriksson	0.01 s	Haskell	2018-06-02 01:41:00
10	Stefan Kennedy	0.01 s	Haskell	2018-07-30 20:10:34

#	User	Runtime	Language	Date
1	Ranjith M	0.05 s	Java	2025-02-09 05:53:19
2	Nick Wu	0.06 s	Java	2018-03-17 20:06:03
3	Dante Bencivenga	0.06 s	Java	2018-03-17 20:32:11
4	Yesha Patel	0.06 s	Java	2018-03-17 22:59:41
5	Stela Palii	0.06 s	Java	2018-03-18 08:25:51
6	John Ladera	0.06 s	Java	2018-03-18 17:15:50
7	James Black	0.06 s	Java	2018-03-19 19:46:08
8	Max Holmberg	0.06 s	Java	2018-03-28 22:30:17
9	Hidden user	0.06 s	Java	2018-03-29 23:26:29
10	Anton Hellbe	0.06 s	Java	2018-04-01 12:49:17

#	User	Runtime	Language	Date
1	Jordan Manley	0.05 s	JavaScript (Node.js)	2018-10-10 17:29:40
2	Yonah Karp	0.06 s	JavaScript (Node.js)	2018-10-10 17:13:18
3	Joel Szegedin	0.06 s	JavaScript (Node.js)	2018-10-10 17:42:45
4	Peter Pham	0.06 s	JavaScript (Node.js)	2018-10-10 18:32:45
5	Sander Hellesø	0.06 s	JavaScript (Node.js)	2019-04-25 07:48:48
6	Gurpartap Singh Bhatti	0.06 s	JavaScript (Node.js)	2019-04-28 04:41:51
7	Peter Kedemo	0.41 s	JavaScript (Node.js)	2019-12-27 19:00:12
8	Kristin Dahlén	0.42 s	JavaScript (Node.js)	2020-02-16 17:52:37
9	Chris Wong	0.43 s	JavaScript (Node.js)	2021-03-15 00:53:36
10	Andoko Chandra	0.44 s	JavaScript (Node.js)	2020-10-14 16:43:17

#	User	Runtime	Language	Date
1	Bjørn Chr. Soltvedt	0.01 s	JavaScript (SpiderMonkey)	2018-03-26 11:15:00
2	Rory Stolzenberg	0.01 s	JavaScript (SpiderMonkey)	2018-04-18 01:46:18
3	bgtmp	0.01 s	JavaScript (SpiderMonkey)	2018-04-18 01:46:55
4	Christian Cederquist	0.02 s	JavaScript (SpiderMonkey)	2023-02-22 06:04:59
5	Zach Tschetter	0.02 s	JavaScript (SpiderMonkey)	2025-02-09 23:54:38
6	Quoc Anh Khoa Nguyen	0.02 s	JavaScript (SpiderMonkey)	2025-02-10 21:03:36
7	Andrea Bianchessi	0.03 s	JavaScript (SpiderMonkey)	2018-08-22 12:13:15
8	Peter Menyes	0.03 s	JavaScript (SpiderMonkey)	2021-08-22 18:51:13

#	User	Runtime	Language	Date
1	Timothy Gaede	0.58 s	Julia	2024-05-03 06:54:57
2	Danny Robinson	0.62 s	Julia	2023-09-28 11:05:55

#	User	Runtime	Language	Date
1	Sam Keyser	0.13 s	Kotlin	2022-11-06 20:56:59
2	Hidden user	0.15 s	Kotlin	2019-12-26 08:29:03
3	Phường Lên	0.18 s	Kotlin	2020-01-19 20:46:30
4	Ola Sundell	0.19 s	Kotlin	2018-05-25 13:50:54
5	Ahmed Waseem Saeed	0.20 s	Kotlin	2021-12-18 14:42:37
6	Adam Rankin	0.20 s	Kotlin	2023-05-03 18:52:05
7	Jahid Hasan	0.23 s	Kotlin	2020-05-25 21:19:59
8	Jahid Hasan Imon	0.23 s	Kotlin	2020-05-25 21:20:50
9	Dayan Ruben Gonzalez	0.23 s	Kotlin	2020-10-11 02:44:07
10	Sergey Jakobsen	0.23 s	Kotlin	2021-03-25 17:33:07

#	User	Runtime	Language	Date
1	Ingemar Ragnemalm	0.00 s	Pascal	2018-04-10 11:12:27

#	User	Runtime	Language	Date
1	Connor Billings	0.01 s	PHP	2020-01-02 16:34:57
2	cojonas1	0.01 s	PHP	2021-02-18 13:30:04

#	User	Runtime	Language	Date
1	Andriy Zyevakov	0.02 s	Prolog	2018-11-24 19:55:59

#	User	Runtime	Language	Date
1	Johan Wind	0.03 s	Python 2	2018-03-18 01:36:48
2	João Pedro Alvito	0.03 s	Python 2	2018-03-21 12:11:15
3	Andrei Stoica	0.03 s	Python 2	2018-05-02 23:18:29
4	Josenildo Silva	0.03 s	Python 2	2018-06-05 03:45:24
5	Andreas Eisele	0.03 s	Python 2	2018-09-04 09:38:43
6	Mark Kaius Helenurm	0.03 s	Python 2	2018-09-04 16:41:59
7	Marko Lazic	0.03 s	Python 2	2018-10-17 14:45:10
8	Yanmarshus Bachtiar	0.03 s	Python 2	2019-08-08 10:53:44
9	Hidden user	0.03 s	Python 2	2019-09-01 10:27:09
10	Måns Magnusson	0.04 s	Python 2	2018-03-17 22:24:57

#	User	Runtime	Language	Date
1	Victor Zheng	0.02 s	Python 3	2018-03-17 20:13:30
2	Jeffrey Tong	0.02 s	Python 3	2018-03-17 20:14:30
3	Reginald Lybbert	0.02 s	Python 3	2018-03-17 20:16:18
4	Hansel Qiu	0.02 s	Python 3	2018-03-17 20:44:54
5	Thomas Vu	0.02 s	Python 3	2018-03-17 20:48:31
6	Jacob Cuke	0.02 s	Python 3	2018-03-17 20:48:45
7	William Hong	0.02 s	Python 3	2018-03-17 20:50:53
8	Alan Fung	0.02 s	Python 3	2018-03-17 20:53:54
9	Bryce Besler	0.02 s	Python 3	2018-03-17 20:55:28
10	Jenny Le	0.02 s	Python 3	2018-03-17 21:10:56

#	User	Runtime	Language	Date
1	Miorel Palii	0.03 s	Ruby	2018-03-18 07:06:10
2	Macdara mac an tSionnaigh	0.04 s	Ruby	2019-09-16 18:38:52
3	Savvas Alexandrou	0.05 s	Ruby	2018-12-12 07:44:28
4	Hidden user	0.05 s	Ruby	2019-03-22 19:24:26
5	Davi Guimarães Leite	0.05 s	Ruby	2019-03-22 19:24:45
6	Victor	0.05 s	Ruby	2019-03-23 02:30:36
7	Victor Souza	0.05 s	Ruby	2019-03-23 02:32:21
8	Thomas Feld	0.06 s	Ruby	2023-02-13 08:45:10
9	Drew Wilson	0.06 s	Ruby	2023-05-22 18:30:15

#	User	Runtime	Language	Date
1	Robert Janczewski	0.00 s	Rust	2020-02-05 17:07:05
2	Isak Jägberg	0.00 s	Rust	2021-01-04 22:02:21
3	Eric Pinter	0.00 s	Rust	2021-06-22 05:28:58
4	Freek van Keulen	0.00 s	Rust	2021-07-25 08:39:21
5	Kok Dith	0.00 s	Rust	2021-08-15 06:04:14
6	Bas Dirks	0.00 s	Rust	2022-01-26 10:27:59
7	Aaron Lengyel	0.00 s	Rust	2022-03-04 22:35:56
8	Artur Khuziakhmetov	0.00 s	Rust	2022-07-27 20:28:49
9	Vincent Lagerros	0.00 s	Rust	2025-05-25 15:50:13

#	User	Length	Language	Date
1	Danny Robinson	68	Bash	2023-09-28 11:26:28

#	User	Length	Language	Date
1	Magnus Wass	286	C	2020-03-16 23:37:29
2	Hidden user	471	C	2022-12-16 09:00:24
3	Axel Svensson	473	C	2022-06-28 14:22:31
4	Mirella Arguelles	496	C	2021-01-19 20:51:49
5	Ximun Castoreo	558	C	2020-05-06 22:51:06
6	Jerome Tujague	588	C	2018-07-02 21:54:10
7	劉睿升	600	C	2021-06-27 15:17:53
8	Sambit Palit	622	C	2020-10-19 04:19:29
9	Hidden user	638	C	2021-12-01 22:57:23
10	Jón Steinn Elíasson	646	C	2018-04-29 17:59:12

#	User	Length	Language	Date
1	Jonathan Hallström	489	C#	2023-10-22 12:41:47
2	Klas af Geijerstam	504	C#	2018-03-28 19:55:41
3	Kunwei Zhang	574	C#	2018-06-12 10:30:12
4	Ali Aliev	661	C#	2024-07-19 21:08:02
5	Jacob Carlsson	743	C#	2022-02-25 14:20:10
6	Göran Andersson	744	C#	2022-05-21 00:13:44
7	Hidden user	760	C#	2020-07-07 20:17:31
8	Thomas Norris	800	C#	2019-10-04 16:15:32
9	Jens Mossig	857	C#	2018-07-11 18:19:50
10	Eric Weiss	870	C#	2022-09-12 19:23:53

#	User	Length	Language	Date
1	Brandon Zhang	213	C++	2022-06-11 21:57:14
2	a_b__c	257	C++	2021-08-15 19:59:56
3	Yeung Man Tsung	319	C++	2023-03-20 18:24:04
4	Dau Huy Minh	341	C++	2022-03-15 13:48:27
5	Bryan Wong Wei Heng	344	C++	2020-03-25 07:08:52
6	Zane Yu	358	C++	2018-12-11 12:34:13
7	Grae Yeandle	359	C++	2018-03-18 12:22:54
8	Nguyen Tran Huu Duc	359	C++	2021-11-27 17:14:39
9	Rene Josiah M. Quinto	365	C++	2018-04-14 07:39:57
10	Nastya	368	C++	2021-11-13 10:08:13

#	User	Length	Language	Date
1	Hidden user	313	Common Lisp	2019-05-27 19:19:42

#	User	Length	Language	Date
1	Jacob Harris Cryer Kragh	565	F#	2022-12-18 16:41:26

#	User	Length	Language	Date
1	Markus Mathiasen	401	Go	2022-08-22 11:42:46
2	Ben Reed	442	Go	2022-06-08 22:46:18
3	Jack Kryger Sørensen	476	Go	2022-01-05 17:32:52
4	Alejandro Germain	583	Go	2018-10-20 22:40:51
5	Krzysztof Gibuła	683	Go	2021-05-12 22:16:58
6	Norbert Voelker	936	Go	2021-04-26 18:51:06

#	User	Length	Language	Date
1	Ryan Chew	213	Haskell	2019-03-24 17:36:44
2	Johannes Ljung Ekeroth	298	Haskell	2021-01-01 16:15:18
3	Md Akif Chowdhury	314	Haskell	2023-07-10 05:39:17
4	Marcus Alsted Wegmann	319	Haskell	2022-04-04 23:30:25
5	Øyvind Almli	333	Haskell	2021-09-21 15:52:04
6	Erik Präntare	354	Haskell	2018-03-21 20:31:25
7	Håkon Flatval	378	Haskell	2018-08-16 17:12:47
8	Matthew Johnson	429	Haskell	2018-10-03 15:30:10
9	Aurélien Pepin	451	Haskell	2019-08-17 22:27:34
10	Hidden user	453	Haskell	2019-08-24 18:47:01

#	User	Length	Language	Date
1	Doug Goodman	443	Java	2018-05-30 23:47:45
2	Sunny Nagam	482	Java	2018-03-17 20:37:10
3	Kabir M	488	Java	2020-09-21 23:52:18
4	Caeden Whitaker	491	Java	2020-07-12 02:29:09
5	Olivia Bizimungu	514	Java	2019-02-26 21:22:23
6	Emilie Hyslop	516	Java	2020-10-01 07:04:13
7	Prakash Sanyasi	532	Java	2018-12-08 08:44:22
8	Kendra Wannamaker	543	Java	2018-03-17 21:02:05
9	Jared Haeme	543	Java	2018-10-01 06:16:42
10	Toshi Taperek	544	Java	2018-03-17 23:49:53

#	User	Length	Language	Date
1	Chris Wong	540	JavaScript (Node.js)	2021-03-15 00:53:36
2	Peter Kedemo	683	JavaScript (Node.js)	2019-12-27 19:00:12
3	Peter Pham	815	JavaScript (Node.js)	2018-10-10 18:32:45
4	Yonah Karp	882	JavaScript (Node.js)	2018-10-10 17:13:18
5	Joel Szegedin	961	JavaScript (Node.js)	2018-10-10 17:42:45
6	Jordan Manley	980	JavaScript (Node.js)	2018-10-10 17:29:40
7	Sander Hellesø	1018	JavaScript (Node.js)	2019-04-25 07:52:34
8	Gurpartap Singh Bhatti	1149	JavaScript (Node.js)	2019-04-28 04:41:51
9	Kristin Dahlén	1178	JavaScript (Node.js)	2020-02-16 17:52:37
10	Andoko Chandra	1351	JavaScript (Node.js)	2020-10-14 16:43:17

#	User	Length	Language	Date
1	Zach Tschetter	208	JavaScript (SpiderMonkey)	2025-02-09 23:54:38
2	Christian Cederquist	214	JavaScript (SpiderMonkey)	2023-02-22 06:04:59
3	Quoc Anh Khoa Nguyen	229	JavaScript (SpiderMonkey)	2025-02-10 21:03:36
4	Bjørn Chr. Soltvedt	261	JavaScript (SpiderMonkey)	2018-03-26 11:15:00
5	Peter Menyes	298	JavaScript (SpiderMonkey)	2021-08-22 18:51:13
6	bgtmp	357	JavaScript (SpiderMonkey)	2018-04-18 01:46:55
7	Rory Stolzenberg	457	JavaScript (SpiderMonkey)	2018-04-18 01:46:18
8	Andrea Bianchessi	542	JavaScript (SpiderMonkey)	2018-08-22 12:13:15

#	User	Length	Language	Date
1	Danny Robinson	115	Julia	2023-09-28 11:05:55
2	Timothy Gaede	615	Julia	2024-05-03 06:54:57

#	User	Length	Language	Date
1	Einar Kjellback	381	Kotlin	2019-12-13 19:33:07
2	Troy Warmboe	392	Kotlin	2020-02-11 20:53:33
3	Adam Rankin	398	Kotlin	2023-05-03 18:52:05
4	Jahid Hasan	406	Kotlin	2020-05-25 21:19:59
5	Jahid Hasan Imon	406	Kotlin	2020-05-25 21:20:50
6	Dayan Ruben Gonzalez	420	Kotlin	2020-10-11 02:44:07
7	Sam Keyser	449	Kotlin	2022-11-06 20:56:59
8	Ahmed Waseem Saeed	484	Kotlin	2021-12-18 14:42:37
9	Sergey Jakobsen	686	Kotlin	2021-03-25 17:33:07
10	Taylor South	781	Kotlin	2023-02-07 23:36:13

#	User	Length	Language	Date
1	Ingemar Ragnemalm	430	Pascal	2018-04-10 11:12:27

#	User	Length	Language	Date
1	Connor Billings	360	PHP	2020-01-02 16:35:31
2	cojonas1	709	PHP	2021-02-18 13:30:04

#	User	Length	Language	Date
1	Andriy Zyevakov	698	Prolog	2018-11-24 19:55:59

#	User	Length	Language	Date
1	Thomas Feld	123	Python 2	2019-09-03 10:01:23
2	Johan Wind	179	Python 2	2018-03-18 01:36:48
3	Eoin Davey	185	Python 2	2018-11-22 05:46:20
4	Andreas Björklund	190	Python 2	2021-04-06 16:41:11
5	João Pedro Alvito	203	Python 2	2018-03-21 12:11:15
6	Peter Sofronas	221	Python 2	2018-04-05 17:08:44
7	Jesper Öqvist	229	Python 2	2018-10-20 14:28:43
8	Guan Yang Ze	233	Python 2	2020-03-13 13:11:24
9	Lars Åström	238	Python 2	2018-06-27 22:46:41
10	Fan Zhang	239	Python 2	2018-11-10 00:59:26

#	User	Length	Language	Date
1	Clement Oh	84	Python 3	2023-05-22 09:25:16
2	Thibault Raffaillac	96	Python 3	2024-08-26 12:03:56
3	Yongbin Zhang	113	Python 3	2018-09-22 03:50:27
4	Christian Blumenthal	113	Python 3	2020-07-24 23:12:58
5	Charles Ancheta	114	Python 3	2023-03-28 09:13:50
6	Victor Zheng	115	Python 3	2018-03-17 20:13:30
7	William Zhou	115	Python 3	2018-09-22 03:15:38
8	Tom Luo	115	Python 3	2018-09-22 03:39:16
9	Tai Tze Kin	129	Python 3	2024-05-08 11:57:44
10	Ahmed Chamseddine	138	Python 3	2024-03-24 00:29:21

#	User	Length	Language	Date
1	Thomas Feld	58	Ruby	2023-10-12 12:50:45
2	Miorel Palii	171	Ruby	2018-03-18 07:06:10
3	Drew Wilson	285	Ruby	2023-05-22 18:30:15
4	Macdara mac an tSionnaigh	293	Ruby	2019-09-16 18:38:52
5	Hidden user	332	Ruby	2019-03-22 19:24:26
6	Davi Guimarães Leite	332	Ruby	2019-03-22 19:24:45
7	Savvas Alexandrou	370	Ruby	2018-12-12 07:44:28
8	Victor	428	Ruby	2019-03-23 02:30:36
9	Victor Souza	428	Ruby	2019-03-23 02:32:21

#	User	Length	Language	Date
1	Artur Khuziakhmetov	585	Rust	2022-07-27 20:28:49
2	Bas Dirks	626	Rust	2022-01-26 10:30:01
3	Kok Dith	700	Rust	2021-08-15 06:04:14
4	Robert Janczewski	752	Rust	2020-02-05 17:07:05
5	Isak Jägberg	957	Rust	2021-01-04 22:02:21
6	Freek van Keulen	1000	Rust	2021-07-25 08:39:21
7	Eric Pinter	1107	Rust	2021-06-22 05:28:58
8	Aaron Lengyel	5257	Rust	2022-03-04 22:35:56
9	Vincent Lagerros	50614	Rust	2025-05-25 15:50:13

Solution running time distribution