Problem B
Calculator — Problem Statistics

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Submissions	4265
Accepted submissions	1518
Submission ratio	35.59%
Authors	1397
Full solves [?]	1143
Full solve Ratio	81.82%

#	User	Runtime	Language	Date
1	Chenzhang Hu	0.05 s	Bash	2023-09-22 14:22:14
2	Thomas Feld	0.05 s	Bash	2023-09-27 14:34:20
3	Danny Robinson	0.08 s	Bash	2023-10-12 21:40:51

#	User	Runtime	Language	Date
1	Joel Bohman	0.00 s	C	2011-04-08 14:39:37
2	Max Wällstedt	0.00 s	C	2014-12-13 21:23:24
3	Bergur Snorrason	0.00 s	C	2018-02-20 15:52:01
4	Duane Currie	0.00 s	C	2019-10-20 05:32:27
5	Shamim Siddique	0.00 s	C	2024-02-12 22:49:11

#	User	Runtime	Language	Date
1	Pavel Volgarev	0.03 s	C#	2016-10-07 10:54:18
2	Pavel Mardouski	0.04 s	C#	2020-12-27 12:21:15
3	Robert Warnestam	0.04 s	C#	2021-05-07 11:07:10
4	Стас Иванов	0.05 s	C#	2018-12-03 02:51:59
5	Małgosia Jarosz	0.05 s	C#	2022-04-04 15:56:19
6	Grzegorz Jarosz	0.06 s	C#	2022-04-09 01:40:17
7	Inge Amdal Halvorsen	0.07 s	C#	2024-08-28 11:35:52
8	Hidden user	0.08 s	C#	2022-11-30 05:34:43
9	Nirakash Sapkota	0.08 s	C#	2024-08-28 01:32:01
10	A.R.	0.08 s	C#	2024-09-24 20:40:06

#	User	Runtime	Language	Date
1	Jacob Harris Cryer Kragh	0.08 s	F#	2023-05-02 18:29:27
2	Davide Pizzolato	0.27 s	F#	2021-03-20 16:28:29

#	User	Runtime	Language	Date
1	Christian Vestergaard	0.03 s	Go	2021-05-02 19:16:10
2	Norbert Voelker	0.12 s	Go	2021-03-29 20:16:59

#	User	Runtime	Language	Date
1	Wilfried van Asten	0.02 s	Haskell	2015-12-29 15:12:47
2	Juan Miguel Vilar	0.04 s	Haskell	2020-09-27 15:47:26
3	TJ Takei	0.04 s	Haskell	2025-04-22 11:58:27
4	Tim Put	0.05 s	Haskell	2021-05-27 21:37:28
5	Intrets	0.06 s	Haskell	2018-11-08 00:55:56
6	Anurudh Reddy	0.06 s	Haskell	2020-10-14 01:59:23
7	Johannes Ljung Ekeroth	0.07 s	Haskell	2020-12-30 20:00:45
8	Rafał Gwoździński	0.07 s	Haskell	2021-03-18 10:59:00
9	Hidden user	0.07 s	Haskell	2022-05-14 17:20:48
10	Brent Yorgey	0.09 s	Haskell	2018-10-16 13:01:03

#	User	Runtime	Language	Date
1	Simon Klein	0.10 s	Java	2012-01-06 22:51:18
2	Bjørn Dons	0.10 s	Java	2018-11-08 00:52:34
3	Martijn Muijsers	0.15 s	Java	2017-03-05 21:47:49
4	Hidden user	0.17 s	Java	2011-03-29 17:57:00
5	James Black	0.17 s	Java	2018-01-10 16:52:18
6	Hidden user	0.19 s	Java	2007-11-07 14:50:13
7	Erik Markland	0.19 s	Java	2007-11-07 15:10:03
8	Dennis Ekblom	0.19 s	Java	2009-11-11 13:37:44
9	Marcus Öman	0.19 s	Java	2009-11-11 19:29:54
10	Taras Romanyuk	0.19 s	Java	2024-10-06 22:47:18

#	User	Runtime	Language	Date
1	Christoffer Karlsson	0.07 s	JavaScript (Node.js)	2018-09-23 00:18:18
2	Hidden user	0.09 s	JavaScript (Node.js)	2019-05-30 09:15:13
3	Azinudin	0.44 s	JavaScript (Node.js)	2020-12-16 06:37:59
4	Marek Hołyński	0.44 s	JavaScript (Node.js)	2022-04-04 19:24:21
5	Tai-Yuan Kuo	0.45 s	JavaScript (Node.js)	2021-05-07 08:44:33
6	Tore Bergebakken	0.48 s	JavaScript (Node.js)	2021-01-01 19:12:20
7	Yujin Kim	0.48 s	JavaScript (Node.js)	2021-07-13 07:28:06

#	User	Runtime	Language	Date
1	Peter Kedemo	0.02 s	JavaScript (SpiderMonkey)	2015-12-23 23:47:56
2	Michel Langeveld	0.02 s	JavaScript (SpiderMonkey)	2016-10-13 23:12:36
3	David Brink	0.02 s	JavaScript (SpiderMonkey)	2017-01-25 16:54:24
4	William Mayo	0.02 s	JavaScript (SpiderMonkey)	2018-04-06 20:28:54
5	Chenhan Shen	0.02 s	JavaScript (SpiderMonkey)	2018-04-06 21:45:17
6	Nathan Marks	0.02 s	JavaScript (SpiderMonkey)	2018-04-06 21:46:24
7	Ameer Fakhri	0.02 s	JavaScript (SpiderMonkey)	2018-05-01 08:00:56
8	Bjørn Chr. Soltvedt	0.03 s	JavaScript (SpiderMonkey)	2017-01-08 05:37:35
9	Zachary DeStefano	0.03 s	JavaScript (SpiderMonkey)	2022-08-05 22:51:45
10	Christian Pilegaard Cederquist	0.03 s	JavaScript (SpiderMonkey)	2023-02-02 15:31:17

#	User	Runtime	Language	Date
1	Magnus Tønnessen	0.81 s	Kotlin	2024-08-23 17:30:19

#	User	Runtime	Language	Date
1	Ingemar Ragnemalm	0.00 s	Pascal	2019-10-08 10:29:42

#	User	Runtime	Language	Date
1	traxex	0.04 s	Perl	2024-05-27 08:54:06

#	User	Runtime	Language	Date
1	Victor Santos	0.02 s	PHP	2024-04-23 19:11:01

#	User	Runtime	Language	Date
1	Tore Norderud	0.06 s	Python 2	2015-04-19 15:35:04
2	William Fiset	0.06 s	Python 2	2015-09-03 22:33:22
3	Lars Tveito	0.06 s	Python 2	2015-10-09 01:28:58
4	Brandon Gilchrist	0.06 s	Python 2	2015-11-30 18:52:11
5	Micah Stairs	0.06 s	Python 2	2016-07-04 03:06:29
6	Eoin Davey	0.06 s	Python 2	2017-11-12 21:09:05
7	Christopher Mc Laughlin	0.06 s	Python 2	2017-11-29 21:02:38
8	Peter Beattie	0.06 s	Python 2	2017-12-11 18:35:48
9	Kieran Horgan	0.06 s	Python 2	2018-05-02 21:00:05
10	Lars Åström	0.06 s	Python 2	2018-07-18 16:37:28

#	User	Runtime	Language	Date
1	Tore Norderud	0.04 s	Python 3	2015-04-18 22:38:00
2	Michael Hoffmann	0.04 s	Python 3	2017-02-24 18:22:49
3	Krzysztof Jagiełło	0.04 s	Python 3	2017-07-22 11:40:48
4	James Hamm	0.04 s	Python 3	2017-11-12 01:36:38
5	Ram Basnet	0.04 s	Python 3	2017-12-19 06:16:05
6	Adam Evans	0.04 s	Python 3	2018-01-10 03:12:04
7	Ding Zhu	0.04 s	Python 3	2018-04-07 05:58:41
8	Ding Zhu	0.04 s	Python 3	2018-04-09 16:07:15
9	Jacob Svensson	0.04 s	Python 3	2018-11-07 15:48:31
10	Desireé af Geijerstam	0.04 s	Python 3	2018-11-11 03:34:17

#	User	Runtime	Language	Date
1	Zohar Malamant	0.06 s	Ruby	2018-04-26 12:13:20
2	Gerry Hall	0.07 s	Ruby	2016-03-16 06:02:28
3	Dmytro Bihniak	0.07 s	Ruby	2019-08-26 14:50:32
4	Thomas Feld	0.07 s	Ruby	2022-12-07 15:26:16
5	Frederik Spang	0.08 s	Ruby	2022-09-30 13:35:19
6	Andreas Severin Hauch Trøstrup	0.08 s	Ruby	2022-10-02 12:55:47
7	Natanael Lundberg	0.08 s	Ruby	2023-06-13 23:20:44
8	Chenzhang Hu	0.13 s	Ruby	2025-09-22 19:08:33

#	User	Runtime	Language	Date
1	jskop	0.01 s	Rust	2022-04-05 13:03:51

#	User	Runtime	Language	Date
1	Anthony Tang	0.10 s	TypeScript	2023-04-19 20:00:17

#	User	Length	Language	Date
1	Chenzhang Hu	27	Bash	2025-09-13 04:48:50
2	Thomas Feld	37	Bash	2023-09-27 14:34:20
3	Danny Robinson	55	Bash	2023-10-12 21:40:51

#	User	Length	Language	Date
1	Max Wällstedt	1865	C	2014-12-13 21:23:24
2	Bergur Snorrason	2816	C	2018-02-20 15:52:01
3	Duane Currie	3823	C	2019-10-20 05:32:27
4	Joel Bohman	5176	C	2011-04-08 15:09:06
5	Shamim Siddique	20766	C	2024-01-18 19:59:32

#	User	Length	Language	Date
1	Michael Damsgaard	213	C#	2024-12-04 11:46:46
2	Nirakash Sapkota	351	C#	2024-08-28 01:32:01
3	Julio Cesar	563	C#	2025-06-20 23:36:10
4	A.R.	747	C#	2024-09-24 20:40:06
5	Fredrik Kaspersen	5334	C#	2020-10-16 08:31:21
6	Inge Amdal Halvorsen	6505	C#	2024-08-28 11:35:52
7	Jean-Paul Hanna	6750	C#	2025-05-13 13:07:33
8	Стас Иванов	9708	C#	2018-12-03 02:51:59
9	Pavel Volgarev	10337	C#	2016-10-07 10:54:18
10	Grzegorz Jarosz	10877	C#	2022-04-09 01:40:17

#	User	Length	Language	Date
1	Hidden user	1020	C++	2024-11-21 18:18:32
2	Jerome Leow	1208	C++	2020-12-01 08:13:02
3	Felix Halim	1228	C++	2018-02-24 17:15:21
4	Steven Halim	1250	C++	2018-03-07 08:11:13
5	Maciej Goszczycki	1327	C++	2017-11-09 21:38:49
6	Andres Alumets	1460	C++	2023-08-10 18:20:57
7	Lujain	1607	C++	2025-05-24 13:01:36
8	Anders Sjöqvist	1661	C++	2005-12-07 22:47:52
9	David Sturgill	1794	C++	2020-01-08 02:13:34
10	Hidden user	1802	C++	2019-02-07 13:36:11

#	User	Length	Language	Date
1	Davide Pizzolato	2961	F#	2021-03-20 16:28:29
2	Jacob Harris Cryer Kragh	4017	F#	2023-05-02 18:29:27

#	User	Length	Language	Date
1	Norbert Voelker	2054	Go	2021-03-29 20:16:59
2	Christian Vestergaard	4829	Go	2021-05-02 19:16:10

#	User	Length	Language	Date
1	Rafał Gwoździński	976	Haskell	2021-03-18 10:59:00
2	Tim Put	1280	Haskell	2021-05-27 21:37:28
3	Hidden user	1727	Haskell	2022-05-14 17:20:48
4	Brent Yorgey	1765	Haskell	2018-10-16 13:01:03
5	TJ Takei	1783	Haskell	2025-04-22 11:58:27
6	Johannes Ljung Ekeroth	2177	Haskell	2020-12-30 20:00:45
7	Juan Miguel Vilar	2301	Haskell	2020-09-27 15:47:26
8	Intrets	2395	Haskell	2018-11-08 00:55:56
9	Anurudh Reddy	2583	Haskell	2020-10-14 01:59:23
10	Wilfried van Asten	13670	Haskell	2015-12-29 15:12:47

#	User	Length	Language	Date
1	Doug Goodman	1887	Java	2017-09-13 19:40:48
2	Taras Romanyuk	2001	Java	2024-10-06 22:47:18
3	Simon Klein	2197	Java	2012-01-06 23:00:12
4	Hidden user	2214	Java	2017-07-05 00:31:56
5	Houssam ElBouanani	2214	Java	2017-07-05 00:33:19
6	Kevin Yang	2542	Java	2022-10-13 21:34:38
7	Per Wennersten	2823	Java	2006-11-15 21:18:26
8	Emilie Hyslop	2910	Java	2021-01-31 11:26:13
9	Jesus Rafael Soledad	3389	Java	2016-05-08 09:06:57
10	Hidden user	3454	Java	2007-11-07 14:50:13

#	User	Length	Language	Date
1	Christoffer Karlsson	232	JavaScript (Node.js)	2018-09-23 00:18:18
2	Marek Hołyński	243	JavaScript (Node.js)	2022-04-04 19:24:21
3	Azinudin	291	JavaScript (Node.js)	2020-12-16 06:37:59
4	Tai-Yuan Kuo	448	JavaScript (Node.js)	2021-05-07 08:44:33
5	Hidden user	1261	JavaScript (Node.js)	2019-05-30 09:15:13
6	Tore Bergebakken	2898	JavaScript (Node.js)	2021-01-01 19:12:20
7	Yujin Kim	3517	JavaScript (Node.js)	2021-07-13 07:28:06

#	User	Length	Language	Date
1	Christian Pilegaard Cederquist	64	JavaScript (SpiderMonkey)	2023-02-02 15:31:17
2	David Brink	84	JavaScript (SpiderMonkey)	2017-01-25 16:57:51
3	Peter Kedemo	93	JavaScript (SpiderMonkey)	2015-12-23 23:47:56
4	Michel Langeveld	97	JavaScript (SpiderMonkey)	2016-10-13 23:12:36
5	Zachary DeStefano	139	JavaScript (SpiderMonkey)	2022-08-05 22:51:45
6	William Mayo	141	JavaScript (SpiderMonkey)	2018-04-06 20:28:54
7	Ameer Fakhri	154	JavaScript (SpiderMonkey)	2018-05-01 08:00:56
8	Nathan Marks	160	JavaScript (SpiderMonkey)	2018-04-06 21:46:24
9	Ying Wei Loke	390	JavaScript (SpiderMonkey)	2018-04-06 21:59:27
10	Chenhan Shen	397	JavaScript (SpiderMonkey)	2018-04-06 21:45:17

#	User	Length	Language	Date
1	Magnus Tønnessen	2306	Kotlin	2024-08-23 17:30:19

#	User	Length	Language	Date
1	Ingemar Ragnemalm	1847	Pascal	2019-10-08 10:29:42

#	User	Length	Language	Date
1	traxex	91	Perl	2024-05-27 08:54:06

#	User	Length	Language	Date
1	Victor Santos	748	PHP	2024-04-23 19:11:01

#	User	Length	Language	Date
1	Asger Hautop Drewsen	98	Python 2	2016-01-27 10:31:45
2	Dmitry Lyubshin	98	Python 2	2018-03-12 08:20:17
3	Thomas Feld	102	Python 2	2020-08-13 10:51:54
4	Tore Norderud	110	Python 2	2015-04-19 15:35:04
5	Lars Tveito	111	Python 2	2015-10-09 01:28:58
6	William Fiset	113	Python 2	2015-09-03 22:33:22
7	Eoin Davey	113	Python 2	2017-11-12 21:20:28
8	Christopher Mc Laughlin	116	Python 2	2017-11-29 21:02:38
9	Kieran Horgan	120	Python 2	2018-05-02 21:00:05
10	Auburn Ford	120	Python 2	2019-01-31 06:50:01

#	User	Length	Language	Date
1	Amy Burnett	38	Python 3	2021-02-04 19:06:45
2	Gregory Sinclair	38	Python 3	2021-02-05 06:21:57
3	Morten Clausen	38	Python 3	2022-10-03 00:27:25
4	Kasper Berthelsen	38	Python 3	2022-10-03 00:31:45
5	Thomas Feld	38	Python 3	2022-12-07 15:29:16
6	Sean Malloy	38	Python 3	2023-01-26 05:19:42
7	Clement Oh	38	Python 3	2023-05-06 14:04:43
8	Benjamin Z White	38	Python 3	2023-05-16 09:28:43
9	Alexandre Douard	38	Python 3	2023-09-14 13:50:17
10	Lee Yi Heng	40	Python 3	2024-03-23 09:34:32

#	User	Length	Language	Date
1	Thomas Feld	44	Ruby	2022-12-07 15:26:36
2	Frederik Spang	45	Ruby	2022-09-30 13:40:42
3	Andreas Severin Hauch Trøstrup	45	Ruby	2022-10-02 13:05:48
4	Natanael Lundberg	46	Ruby	2023-06-13 23:20:44
5	Zohar Malamant	72	Ruby	2018-04-26 12:49:15
6	Dmytro Bihniak	79	Ruby	2019-08-26 14:50:32
7	Chenzhang Hu	126	Ruby	2025-09-22 19:08:33
8	Gerry Hall	312	Ruby	2016-03-16 06:02:28

#	User	Length	Language	Date
1	jskop	3981	Rust	2022-04-05 13:03:51

#	User	Length	Language	Date
1	Anthony Tang	802	TypeScript	2023-04-19 20:00:17

Solution running time distribution