Problem A
Polygon Area — Problem Statistics

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Submissions	7652
Accepted submissions	3192
Submission ratio	41.71%
Authors	2508
Full solves [?]	2218
Full solve Ratio	88.44%

#	User	Runtime	Language	Date
1	Simon Ståhlberg	0.02 s	C#	2014-04-13 19:56:27
2	masosz	0.02 s	C#	2015-01-28 19:00:10
3	Mads Storm Hansen	0.02 s	C#	2015-07-25 14:43:45
4	Aljaž Kosmač	0.02 s	C#	2016-12-01 18:37:42
5	Klas af Geijerstam	0.02 s	C#	2017-10-02 11:26:36
6	Gustav Kalander	0.02 s	C#	2018-05-15 22:22:46
7	Kelvin Petry	0.02 s	C#	2019-05-10 15:00:36
8	Logan Christopher	0.02 s	C#	2022-10-03 23:55:50
9	Ahmad Barhamje	0.02 s	C#	2022-11-28 12:35:24
10	Rickard Bemm	0.03 s	C#	2021-03-14 17:41:20

#	User	Runtime	Language	Date
1	Luke	0.05 s	F#	2021-02-21 16:43:38

#	User	Runtime	Language	Date
1	Krzysztof Gibuła	0.02 s	Go	2019-01-15 22:10:53
2	Hidden user	0.02 s	Go	2019-04-30 15:08:03
3	Aleksander Jan Mistewicz	0.02 s	Go	2019-05-01 18:21:27
4	Gustav Schölin	0.02 s	Go	2022-08-07 14:22:31
5	Norbert Voelker	0.08 s	Go	2021-03-07 21:08:35
6	Marcelo Sobreira	0.08 s	Go	2021-07-19 06:01:35
7	Vilhelm Melkstam	0.08 s	Go	2022-05-16 16:12:24
8	Andreas Neudecker	0.09 s	Go	2017-01-31 22:06:30

#	User	Runtime	Language	Date
1	Niklas Rosén	0.01 s	Haskell	2014-05-11 16:31:20
2	Mattias Harrysson	0.01 s	Haskell	2015-12-01 21:01:16
3	Johan Meier	0.01 s	Haskell	2017-01-09 03:10:46
4	Anthony Clark	0.01 s	Haskell	2017-03-02 00:52:55
5	Brent Yorgey	0.01 s	Haskell	2018-04-08 21:25:08
6	Intrets	0.01 s	Haskell	2018-11-23 15:52:34
7	Qi Ji	0.01 s	Haskell	2018-12-27 19:53:16
8	Ryan Yates	0.01 s	Haskell	2019-04-26 15:23:53
9	Aurélien Pepin	0.01 s	Haskell	2019-09-18 00:01:40
10	Udo Stenzel	0.01 s	Haskell	2020-05-25 15:48:43

#	User	Runtime	Language	Date
1	Simon Klein	0.05 s	Java	2011-12-30 21:30:16
2	David Brink	0.05 s	Java	2017-02-04 09:06:12
3	Eyleifur Bjarkason	0.06 s	Java	2018-11-29 14:37:24
4	Joachim Borup	0.06 s	Java	2022-11-29 23:19:36
5	Marcus Öman	0.07 s	Java	2009-11-17 23:25:49
6	Dennis Ekblom	0.07 s	Java	2009-11-17 23:47:06
7	Staffan Rydström	0.07 s	Java	2011-12-03 23:35:56
8	Jens Ståhl	0.07 s	Java	2014-04-29 16:26:08
9	Dennis Ang	0.07 s	Java	2015-10-05 16:12:02
10	Veniamin Viflyantsev	0.07 s	Java	2015-12-12 13:14:02

#	User	Runtime	Language	Date
1	Bjørn Chr. Soltvedt	0.01 s	JavaScript (SpiderMonkey)	2016-02-09 23:50:54
2	Patrick Conant	0.01 s	JavaScript (SpiderMonkey)	2017-10-17 06:02:57
3	Jimmy Gustafsson	0.02 s	JavaScript (SpiderMonkey)	2025-07-07 23:04:01
4	Johannes Jensen	0.03 s	JavaScript (SpiderMonkey)	2020-11-13 09:18:33
5	Christian Pilegaard Cederquist	0.03 s	JavaScript (SpiderMonkey)	2023-03-10 15:21:15

#	User	Runtime	Language	Date
1	Timothy Gaede	0.65 s	Julia	2024-05-29 04:38:29

#	User	Runtime	Language	Date
1	Benjamin Sølvberg Buan	0.16 s	Kotlin	2020-10-06 17:01:40
2	Jonathan Soo	0.17 s	Kotlin	2020-03-19 08:28:49
3	Andreas Wassum	0.19 s	Kotlin	2019-08-11 00:46:01
4	Eric Huynh	0.28 s	Kotlin	2019-01-28 03:07:48
5	Leonard Alexander Blechschmidt	0.30 s	Kotlin	2022-01-24 14:38:45

#	User	Runtime	Language	Date
1	Pro Grammer	0.01 s	OCaml	2020-06-04 23:35:44

#	User	Runtime	Language	Date
1	Ingemar Ragnemalm	0.00 s	Pascal	2017-08-15 15:34:37
2	Volker Schmidt	0.00 s	Pascal	2021-03-24 21:45:10

#	User	Runtime	Language	Date
1	Philippe Hubert	0.01 s	PHP	2024-01-03 22:11:55

#	User	Runtime	Language	Date
1	Andreas Serra	0.03 s	Python 2	2014-05-11 22:47:09
2	Hermon Mulat	0.03 s	Python 2	2016-11-09 05:25:33
3	Nasir Osman	0.03 s	Python 2	2017-04-22 07:21:14
4	Nick Wu	0.04 s	Python 2	2015-11-19 19:51:15
5	Sawyer Stippa	0.04 s	Python 2	2017-01-27 15:46:02
6	YiHong Luo	0.04 s	Python 2	2017-03-25 16:23:03
7	Andrei Stoica	0.04 s	Python 2	2017-10-15 21:21:41
8	Fatima Afzali	0.04 s	Python 2	2019-01-12 18:47:37
9	Brian Bauman	0.05 s	Python 2	2016-09-04 18:07:41
10	Geson Chong	0.05 s	Python 2	2017-03-12 19:18:51

#	User	Runtime	Language	Date
1	Hidden user	0.02 s	Python 3	2014-10-11 19:42:42
2	Wayne	0.02 s	Python 3	2016-02-02 11:36:29
3	Rok Krese	0.02 s	Python 3	2016-05-01 08:58:02
4	Jeremy Tuloup	0.02 s	Python 3	2016-09-12 22:21:01
5	Christian Lindeström	0.02 s	Python 3	2016-10-04 18:54:01
6	Torstein Strømme	0.02 s	Python 3	2016-10-29 16:38:52
7	Alan Grant	0.02 s	Python 3	2016-11-29 03:11:18
8	Philipp Rothaug	0.02 s	Python 3	2017-01-13 19:05:03
9	Anders Steen Nilsen	0.02 s	Python 3	2017-03-01 10:17:37
10	Evan Wilde	0.02 s	Python 3	2017-03-16 00:31:43

#	User	Runtime	Language	Date
1	Casper Christensen	0.04 s	Ruby	2016-02-13 11:58:58
2	Laurent Voisin	0.05 s	Ruby	2019-08-02 22:54:59
3	Thomas Feld	0.06 s	Ruby	2023-05-03 10:35:41
4	Andreas Severin Hauch Trøstrup	0.06 s	Ruby	2023-06-11 16:36:10

#	User	Runtime	Language	Date
1	Hidden user	0.00 s	Zig	2024-02-28 19:34:15
2	Alexander Björkman	0.00 s	Zig	2024-03-12 02:18:50
3	Erik Frankling	0.00 s	Zig	2024-04-09 09:35:39
4	Felix Stenberg	0.00 s	Zig	2025-05-04 12:31:16

#	User	Length	Language	Date
1	Tommy Bergman	211	C	2024-03-17 06:36:16
2	Hridyanshu Aatreya	407	C	2023-08-11 12:25:49
3	Raymond Yang	456	C	2018-04-01 02:39:44
4	Sambit Palit	589	C	2020-10-28 00:08:51
5	Hidden user	589	C	2021-04-11 01:52:28
6	Eduardo Vicente Petry	592	C	2025-08-11 04:29:24
7	Mirel Cosulschi	608	C	2023-01-28 14:45:39
8	Marco Dalla Mutta	622	C	2018-12-28 16:04:25
9	William Duncan Murphy	629	C	2024-03-21 01:38:28
10	Hidden user	630	C	2017-05-05 22:36:06

#	User	Length	Language	Date
1	Simon Mathiasen	905	C#	2025-12-12 22:41:16
2	Klas af Geijerstam	960	C#	2017-10-02 11:26:36
3	Hidden user	1098	C#	2021-09-03 14:42:08
4	Deibi Franducardo Cruz Gomez	1200	C#	2025-03-19 15:01:53
5	Martin Liu	1288	C#	2023-09-06 06:04:08
6	Ahmad Barhamje	1290	C#	2022-11-28 12:35:24
7	Ruvhuan Gouws	1387	C#	2023-12-02 11:13:58
8	Logan Christopher	1498	C#	2022-10-03 23:55:50
9	Gustav Kalander	1608	C#	2018-05-15 22:22:46
10	Lauran van Ekeren	1925	C#	2023-06-09 13:57:15

#	User	Length	Language	Date
1	Way Tan	376	C++	2019-01-08 17:36:41
2	William Gan	378	C++	2017-02-02 16:14:23
3	Johan Wind	408	C++	2014-09-28 18:04:27
4	Ivan Carvalho	420	C++	2017-07-12 01:29:13
5	Elias Lolck	424	C++	2021-03-04 13:45:03
6	Johan Litsfeldt	431	C++	2012-07-27 18:40:27
7	Mohsen Mahroos	434	C++	2023-04-04 07:34:36
8	Herman Karlsson	438	C++	2015-04-08 19:05:04
9	Yash Kumar Bansal	439	C++	2016-09-04 08:12:25
10	Ryan Chew	442	C++	2019-01-04 12:31:00

#	User	Length	Language	Date
1	Luke	1484	F#	2021-02-21 16:43:38

#	User	Length	Language	Date
1	Andreas Neudecker	659	Go	2017-01-31 21:13:05
2	Krzysztof Gibuła	832	Go	2019-01-15 22:10:53
3	Marcelo Sobreira	1044	Go	2021-07-19 06:01:35
4	Vilhelm Melkstam	1057	Go	2022-05-16 16:12:24
5	Norbert Voelker	1154	Go	2021-03-07 21:08:35
6	Gustav Schölin	1327	Go	2022-08-07 14:22:31
7	Hidden user	1710	Go	2019-04-30 15:08:03
8	Aleksander Jan Mistewicz	1882	Go	2019-05-01 18:21:27

#	User	Length	Language	Date
1	David Wärn	455	Haskell	2015-07-18 12:35:50
2	Sebastian Banert	566	Haskell	2023-04-23 15:10:36
3	Qi Ji	723	Haskell	2018-12-27 19:53:16
4	Intrets	754	Haskell	2018-11-23 16:40:42
5	Ryan Yates	811	Haskell	2019-04-26 15:23:53
6	Udo Stenzel	913	Haskell	2020-05-25 15:48:43
7	Aurélien Pepin	915	Haskell	2019-09-18 00:01:40
8	Hidden user	957	Haskell	2021-08-21 14:00:27
9	Anthony Clark	1050	Haskell	2017-03-02 00:52:55
10	Mattias Harrysson	1074	Haskell	2015-12-01 21:01:16

#	User	Length	Language	Date
1	Marc Dominic San Pedro	610	Java	2019-11-16 06:11:59
2	Akshay Kushwaha	623	Java	2022-11-21 15:07:29
3	Hidden user	625	Java	2016-11-03 23:32:15
4	Caeden Whitaker	640	Java	2020-07-11 04:41:17
5	Hidden user	649	Java	2017-05-05 23:22:57
6	Darrin Wiley	656	Java	2017-08-03 17:50:41
7	Andrew Eveld	702	Java	2019-12-18 22:35:16
8	Jeff Wang	708	Java	2015-09-13 04:17:34
9	Cole Peterson	712	Java	2017-10-02 23:39:41
10	Aylin Erdem	731	Java	2018-11-22 23:22:03

#	User	Length	Language	Date
1	Jimmy Gustafsson	190	JavaScript (SpiderMonkey)	2025-07-07 23:04:01
2	Bjørn Chr. Soltvedt	597	JavaScript (SpiderMonkey)	2016-02-09 23:50:54
3	Christian Pilegaard Cederquist	657	JavaScript (SpiderMonkey)	2023-03-10 15:21:15
4	Johannes Jensen	886	JavaScript (SpiderMonkey)	2020-11-13 09:18:33
5	Patrick Conant	1468	JavaScript (SpiderMonkey)	2017-10-17 06:02:57

#	User	Length	Language	Date
1	Timothy Gaede	1502	Julia	2024-05-29 04:38:29

#	User	Length	Language	Date
1	Eric Huynh	779	Kotlin	2019-01-28 03:07:48
2	Leonard Alexander Blechschmidt	1532	Kotlin	2022-01-24 14:38:45
3	Andreas Wassum	2267	Kotlin	2019-08-11 00:46:01
4	Benjamin Sølvberg Buan	2351	Kotlin	2020-10-06 17:01:40
5	Jonathan Soo	3900	Kotlin	2020-03-19 08:28:49

#	User	Length	Language	Date
1	Pro Grammer	1140	OCaml	2020-06-04 23:35:44

#	User	Length	Language	Date
1	Volker Schmidt	441	Pascal	2021-03-24 21:45:10
2	Ingemar Ragnemalm	584	Pascal	2017-08-15 15:34:37

#	User	Length	Language	Date
1	Philippe Hubert	397	PHP	2024-01-03 22:11:55

#	User	Length	Language	Date
1	Neal Zane	320	Python 2	2015-12-04 06:34:57
2	Lars Åström	339	Python 2	2018-06-24 00:07:39
3	Nick Wu	349	Python 2	2015-11-19 19:51:15
4	Andreas Björklund	365	Python 2	2019-01-16 12:17:31
5	Geson Chong	378	Python 2	2017-03-12 19:18:51
6	Troels Bjerre Lund	388	Python 2	2019-05-07 10:14:47
7	Godmar Back	391	Python 2	2019-01-09 20:26:02
8	Björn Magnusson	409	Python 2	2018-11-02 22:15:21
9	Jonatan Nilsson	409	Python 2	2018-12-02 18:43:22
10	Jesper Öqvist	425	Python 2	2018-05-16 10:32:18

#	User	Length	Language	Date
1	Simon Andersen	160	Python 3	2023-03-09 14:26:58
2	Anton Nilsson	174	Python 3	2025-05-05 08:14:21
3	Nikolaus Engh	178	Python 3	2023-03-14 12:17:22
4	Mark Joseph Kenny	187	Python 3	2025-11-04 20:40:43
5	Joe Little	223	Python 3	2024-01-03 02:03:57
6	Ahmed Chamseddine	227	Python 3	2025-01-18 00:11:09
7	Zsolt Németh	237	Python 3	2024-05-28 02:04:41
8	Thomas Draper	241	Python 3	2022-09-06 01:03:00
9	Hidden user	252	Python 3	2025-02-22 19:12:13
10	Viktor Lundqvist	262	Python 3	2022-10-04 21:40:31

#	User	Length	Language	Date
1	Thomas Feld	118	Ruby	2023-05-03 10:45:14
2	Andreas Severin Hauch Trøstrup	164	Ruby	2023-06-11 18:45:23
3	Casper Christensen	545	Ruby	2016-02-13 11:58:58
4	Laurent Voisin	757	Ruby	2019-08-02 22:54:59

#	User	Length	Language	Date
1	Simon Jutvreten	820	Rust	2024-03-10 13:10:16
2	Vincent Lagerros	1136	Rust	2024-02-02 23:21:29
3	Zane Johnson	1238	Rust	2022-12-15 18:40:29
4	Rolf Martin Glomsrud	1248	Rust	2023-03-27 23:27:24
5	David Rasch	1251	Rust	2021-05-21 16:41:26
6	Daniel Liland	1258	Rust	2023-03-08 18:58:58
7	Artur Khuziakhmetov	1274	Rust	2023-09-03 09:54:37
8	Christian Cattai	1313	Rust	2023-03-19 14:10:13
9	Elias Nodland	1380	Rust	2022-06-25 19:36:20
10	Dalton Nickerson	1451	Rust	2021-04-27 23:30:05

#	User	Length	Language	Date
1	Hidden user	1192	Zig	2024-02-28 19:34:15
2	Erik Frankling	1566	Zig	2024-04-09 09:35:39
3	Alexander Björkman	1667	Zig	2024-03-12 02:18:50
4	Felix Stenberg	2126	Zig	2025-05-04 12:31:16

Solution running time distribution