Problem A
Broken Calculator — Problem Statistics

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Submissions	1963
Accepted submissions	713
Submission ratio	36.32%
Authors	760
Full solves [?]	648
Full solve Ratio	85.26%

#	User	Runtime	Language	Date
1	Cameron Cunningham	0.02 s	C#	2023-04-03 23:12:52
2	Sebastian Sternberg	0.03 s	C#	2021-02-19 19:44:36
3	Mikael Fiala-Lundström	0.03 s	C#	2021-06-17 19:32:33
4	Johan Bjärneryd	0.04 s	C#	2023-11-28 13:22:46
5	Indah Bahrina	0.05 s	C#	2025-01-06 14:51:28

#	User	Runtime	Language	Date
1	Leslie Yip	0.38 s	COBOL	2022-10-02 14:10:01

#	User	Runtime	Language	Date
1	Jacob Harris Cryer Kragh	0.03 s	F#	2023-02-05 18:32:36

#	User	Runtime	Language	Date
1	Felix Fatum	0.04 s	Go	2022-11-10 17:57:16

#	User	Runtime	Language	Date
1	Steinar Simonnes	0.00 s	Haskell	2024-07-13 14:31:07
2	Brent Yorgey	0.01 s	Haskell	2021-02-15 01:33:31
3	Hidden user	0.01 s	Haskell	2021-11-12 18:14:15
4	Joshua Coward	0.01 s	Haskell	2022-02-10 01:46:43
5	Ng Tek In	0.01 s	Haskell	2022-09-03 05:04:26
6	Hidden user	0.01 s	Haskell	2022-12-16 23:03:57
7	Aiden Lara	0.01 s	Haskell	2024-04-22 10:11:30

#	User	Runtime	Language	Date
1	Sven Rönnbäck	0.06 s	Java	2022-03-22 17:58:11
2	Crystal Sharpe	0.07 s	Java	2021-02-07 08:03:04
3	Emil Bak-Møller	0.07 s	Java	2021-07-30 17:39:38
4	Joachim Borup	0.07 s	Java	2021-11-23 15:49:01
5	Ranjith M	0.07 s	Java	2024-08-25 23:46:53
6	Liam Keliher	0.08 s	Java	2021-06-23 01:30:12
7	Saathvik Selvan	0.08 s	Java	2023-01-02 18:53:09
8	Reuben James Loquinario	0.08 s	Java	2024-12-29 17:23:46
9	Theodoric Keith Lim	0.09 s	Java	2021-05-26 02:30:59
10	Victor Nguyen	0.09 s	Java	2021-09-18 21:07:25

#	User	Runtime	Language	Date
1	Christian Pilegaard Cederquist	0.03 s	JavaScript (SpiderMonkey)	2023-04-21 23:55:13
2	Bjørn Chr. Soltvedt	0.09 s	JavaScript (SpiderMonkey)	2021-02-10 00:41:10

#	User	Runtime	Language	Date
1	Hidden user	0.59 s	Julia	2025-04-09 07:25:58
2	Timothy Gaede	0.69 s	Julia	2024-06-05 08:25:14

#	User	Runtime	Language	Date
1	Adam Rankin	0.21 s	Kotlin	2023-05-10 19:13:47
2	Sergey Jakobsen	0.27 s	Kotlin	2021-07-22 02:10:30

#	User	Runtime	Language	Date
1	Danil Braun	0.00 s	OCaml	2021-05-12 18:37:47

#	User	Runtime	Language	Date
1	Andriy Zyevakov	0.03 s	Prolog	2024-11-11 10:22:49

#	User	Runtime	Language	Date
1	Hasan Kalzi	0.03 s	Python 2	2021-04-15 12:23:28
2	Balamurugan M	0.03 s	Python 2	2023-07-04 16:41:12
3	Yanmarshus Bachtiar	0.04 s	Python 2	2021-02-02 13:38:00
4	Gibransyah	0.04 s	Python 2	2022-03-15 15:28:33
5	Johan Lyts	0.05 s	Python 2	2021-02-04 14:01:02
6	Andreas Björklund	0.05 s	Python 2	2021-12-30 20:54:47

#	User	Runtime	Language	Date
1	Dominic Berzin Chua Way Gin	0.04 s	Python 3	2025-04-18 08:12:24
2	Russell	0.04 s	Python 3	2025-09-21 07:52:42
3	Noah J Burr	0.04 s	Python 3	2026-03-14 15:48:56
4	Hasan Kalzi	0.05 s	Python 3	2022-06-17 16:08:24
5	Klas af Geijerstam	0.05 s	Python 3	2022-09-30 14:43:38
6	Brian Do	0.05 s	Python 3	2022-10-08 19:55:34
7	Samuel Taggart	0.05 s	Python 3	2022-10-08 23:29:46
8	Jenny Rowlett	0.05 s	Python 3	2022-10-11 05:56:55
9	Nicholas Russell Saerang	0.05 s	Python 3	2023-02-22 01:45:25
10	Shahad Muhsin	0.05 s	Python 3	2023-03-12 16:04:51

#	User	Runtime	Language	Date
1	Kieran Maharaj	0.05 s	Ruby	2021-02-17 11:07:05
2	Thomas Feld	0.06 s	Ruby	2023-03-02 14:26:42
3	Clement Oh	0.06 s	Ruby	2024-01-10 17:15:20

#	User	Runtime	Language	Date
1	David Rasch	0.00 s	Rust	2021-08-26 08:59:20
2	Bas Dirks	0.00 s	Rust	2022-02-19 14:17:26
3	Conner L	0.00 s	Rust	2024-03-11 21:05:34
4	Vincent Lagerros	0.00 s	Rust	2024-11-22 17:55:15
5	Joshua Freudenhammer	0.00 s	Rust	2025-09-28 14:18:46

#	User	Length	Language	Date
1	Luigi Pizza	545	C	2022-11-09 10:09:06
2	Sambit Palit	548	C	2021-02-23 22:50:15
3	Mirel Cosulschi	595	C	2024-11-07 22:53:26
4	Precious Kedju	704	C	2024-12-23 16:30:30
5	Devasmita Majhi	717	C	2024-12-31 12:34:51
6	michael r lederle	829	C	2023-08-20 03:43:57
7	Divya A	868	C	2025-04-04 11:03:48
8	Larrence Fakerman	1435	C	2024-09-01 16:55:18
9	Sami Al Chalati	1842	C	2024-12-22 19:50:28
10	Bergur Snorrason	1847	C	2021-02-03 16:55:13

#	User	Length	Language	Date
1	Cameron Cunningham	1092	C#	2023-04-03 23:12:52
2	Sebastian Sternberg	1150	C#	2021-02-19 19:44:36
3	Indah Bahrina	1567	C#	2025-01-06 14:51:28
4	Johan Bjärneryd	1582	C#	2023-11-28 13:22:46
5	Mikael Fiala-Lundström	1934	C#	2021-06-17 19:32:33

#	User	Length	Language	Date
1	蔡童彥	320	C++	2025-01-12 11:20:53
2	程睿	368	C++	2025-01-20 06:08:39
3	Nguyen Tran Huu Duc	393	C++	2022-01-08 10:48:36
4	Jesús Pacheco Alonso	407	C++	2023-11-21 17:28:47
5	Ethan Guo	409	C++	2023-01-03 00:25:33
6	Irina Modoi	411	C++	2021-12-04 16:19:09
7	Nguyen Thi Anh Tho	415	C++	2021-11-01 14:51:53
8	Dmitry Lyubshin	416	C++	2023-04-02 08:18:57
9	Christian Yongwhan Lim	417	C++	2023-06-17 05:49:04
10	Grae Yeandle	422	C++	2021-02-19 11:58:51

#	User	Length	Language	Date
1	Leslie Yip	1868	COBOL	2022-10-02 14:10:01

#	User	Length	Language	Date
1	Jacob Harris Cryer Kragh	1092	F#	2023-02-05 18:32:36

#	User	Length	Language	Date
1	Felix Fatum	659	Go	2022-11-10 17:57:16

#	User	Length	Language	Date
1	Hidden user	482	Haskell	2022-12-16 23:03:57
2	Joshua Coward	526	Haskell	2022-02-10 01:46:43
3	Steinar Simonnes	751	Haskell	2024-07-13 14:31:07
4	Ng Tek In	767	Haskell	2022-09-03 05:04:26
5	Brent Yorgey	1951	Haskell	2021-02-15 01:33:31
6	Aiden Lara	2365	Haskell	2024-04-22 10:11:30
7	Hidden user	15430	Haskell	2021-11-12 18:14:15

#	User	Length	Language	Date
1	Nathaniel Lukas Christianto	537	Java	2023-12-26 12:48:35
2	Aimee	675	Java	2022-04-29 10:44:57
3	Jason Liu	759	Java	2023-05-25 03:38:41
4	Thanh Le	762	Java	2022-12-17 00:35:03
5	Thorbjørn Melheim	775	Java	2021-10-20 14:49:23
6	Crystal Sharpe	802	Java	2021-02-07 08:03:04
7	Doug Goodman	844	Java	2021-02-27 16:59:18
8	Bhavya Alok	862	Java	2023-09-06 10:53:09
9	Logan Pipes	879	Java	2021-06-17 00:29:11
10	Mohammad Naufal Hazim Bin Saharudin	886	Java	2025-05-23 05:20:53

#	User	Length	Language	Date
1	Christian Pilegaard Cederquist	478	JavaScript (SpiderMonkey)	2023-04-21 23:55:13
2	Bjørn Chr. Soltvedt	24553	JavaScript (SpiderMonkey)	2021-02-10 00:41:10

#	User	Length	Language	Date
1	Hidden user	198	Julia	2025-04-09 07:25:58
2	Timothy Gaede	895	Julia	2024-06-05 07:55:19

#	User	Length	Language	Date
1	Adam Rankin	562	Kotlin	2023-05-10 19:13:47
2	Sergey Jakobsen	656	Kotlin	2021-07-22 02:10:30

#	User	Length	Language	Date
1	Danil Braun	824	OCaml	2021-05-12 18:37:47

#	User	Length	Language	Date
1	Andriy Zyevakov	3021	Prolog	2024-11-11 10:22:49

#	User	Length	Language	Date
1	Andreas Björklund	247	Python 2	2021-12-30 20:54:47
2	Yanmarshus Bachtiar	410	Python 2	2021-02-02 13:38:00
3	Johan Lyts	498	Python 2	2021-02-04 14:01:02
4	Gibransyah	527	Python 2	2022-03-15 15:28:33
5	Hasan Kalzi	647	Python 2	2021-04-15 12:23:28
6	Balamurugan M	647	Python 2	2023-07-04 16:41:12

#	User	Length	Language	Date
1	Lukas Kerren	135	Python 3	2024-05-24 21:41:31
2	Timothy Baeckelant	179	Python 3	2024-04-21 00:08:08
3	Clement Oh	232	Python 3	2023-06-29 14:19:43
4	Tai Tze Kin	232	Python 3	2024-05-05 10:03:01
5	Simon Baeckelant	234	Python 3	2024-04-16 15:30:53
6	Ahmed Chamseddine	238	Python 3	2024-12-25 00:12:08
7	Yllke Jashari	241	Python 3	2023-04-30 21:13:24
8	Nicholas Russell Saerang	250	Python 3	2023-02-22 01:45:25
9	Shahad Muhsin	250	Python 3	2023-03-12 16:04:51
10	Magnus Eide-Fredriksen	257	Python 3	2025-12-16 19:43:41

#	User	Length	Language	Date
1	Thomas Feld	89	Ruby	2023-03-02 14:35:38
2	Clement Oh	217	Ruby	2024-01-10 17:15:20
3	Kieran Maharaj	676	Ruby	2021-02-17 11:07:05

#	User	Length	Language	Date
1	Vincent Lagerros	349	Rust	2024-11-22 17:55:35
2	David Rasch	683	Rust	2021-08-26 08:59:20
3	Bas Dirks	701	Rust	2022-02-19 14:17:26
4	Joshua Freudenhammer	1152	Rust	2025-09-28 14:18:46
5	Conner L	1550	Rust	2024-03-11 21:05:34

Solution running time distribution