Problem J
Convex Hull — Problem Statistics

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Submissions	1620
Accepted submissions	361
Submission ratio	22.28%
Authors	299
Full solves [?]	201
Full solve Ratio	67.22%

#	User	Runtime	Language	Date
1	klimisnotmilk	0.04 s	C	2023-07-21 16:56:17
2	Bergur Snorrason	0.09 s	C	2018-12-23 17:06:49
3	Ivan Petrov	0.10 s	C	2019-11-26 16:05:20

#	User	Runtime	Language	Date
1	Alexander Kravberg	0.02 s	C++	2025-01-19 19:51:36
2	Amar Topalovic	0.03 s	C++	2018-09-09 21:38:51
3	Jay Lim	0.03 s	C++	2019-04-08 17:06:32
4	Jeez	0.03 s	C++	2019-06-04 10:41:42
5	Robert Cummings	0.04 s	C++	2018-06-15 04:09:46
6	Josenildo Silva	0.04 s	C++	2018-06-18 03:26:30
7	Wang Zhi Jian	0.04 s	C++	2019-04-08 19:40:57
8	Teh Nian Fei	0.04 s	C++	2019-04-09 13:55:41
9	Yehezkiel Raymundo Theodoroes	0.04 s	C++	2019-04-12 17:05:38
10	Henry Jayakusuma	0.04 s	C++	2019-04-14 22:38:39

#	User	Runtime	Language	Date
1	Lars Corbijn	0.59 s	Haskell	2018-09-18 12:25:13
2	Matthew Craven	0.60 s	Haskell	2019-10-14 02:03:36

#	User	Runtime	Language	Date
1	Sven Rönnbäck	0.16 s	Java	2023-11-26 20:06:34
2	Bjørn Dons	0.25 s	Java	2018-12-17 02:25:46
3	Terrence Park	0.46 s	Java	2019-01-13 10:21:38
4	Magdirag Dag	0.54 s	Java	2017-11-08 11:53:35
5	Liam Keliher	0.57 s	Java	2019-04-25 12:21:22
6	Andrew Polizzotto	0.57 s	Java	2020-11-12 07:45:24
7	Henry Wang	0.64 s	Java	2017-10-15 01:11:17
8	Finn Lidbetter	0.64 s	Java	2017-11-03 00:54:01
9	Kristoffer Borgstrøm	0.64 s	Java	2021-04-07 19:26:11
10	Rene Alfonso	0.66 s	Java	2019-02-04 12:14:56

#	User	Runtime	Language	Date
1	Bjørn Chr. Soltvedt	0.50 s	JavaScript (Node.js)	2018-06-13 06:49:07

#	User	Runtime	Language	Date
1	Christian Cederquist	0.21 s	JavaScript (SpiderMonkey)	2023-06-07 16:42:03
2	Bjørn Chr. Soltvedt	0.22 s	JavaScript (SpiderMonkey)	2017-09-24 01:23:05
3	Jimmy Gustafsson	0.40 s	JavaScript (SpiderMonkey)	2022-09-21 11:36:48

#	User	Runtime	Language	Date
1	Andreas Eisele	0.26 s	Python 2	2018-09-08 14:20:44
2	Lars Åström	0.30 s	Python 2	2018-10-14 22:04:55
3	Ciara Godwin	0.33 s	Python 2	2018-02-28 14:10:29
4	Dmitry Lyubshin	0.36 s	Python 2	2018-10-04 07:45:38
5	Kasper Borys	0.37 s	Python 2	2017-11-17 22:24:34
6	Fatima Afzali	0.61 s	Python 2	2019-01-26 19:33:46
7	Agis Daniels	0.64 s	Python 2	2020-07-21 18:38:31

#	User	Runtime	Language	Date
1	Catalin Popa	0.27 s	Python 3	2018-12-17 02:44:57
2	Andreas Eisele	0.29 s	Python 3	2018-09-08 14:23:52
3	Caleb Dastrup	0.30 s	Python 3	2025-01-17 23:54:28
4	Hidden user	0.32 s	Python 3	2019-02-03 05:40:53
5	Tim Daniel	0.32 s	Python 3	2022-02-24 17:36:12
6	Hidden user	0.32 s	Python 3	2022-11-26 22:25:23
7	Ole Vik Lysne	0.32 s	Python 3	2025-05-21 16:53:19
8	Robert J Fortunato Jr	0.35 s	Python 3	2019-02-12 01:29:11
9	Alojz Milicevic	0.36 s	Python 3	2019-10-12 22:46:32
10	Devioun Foskett	0.36 s	Python 3	2019-11-04 23:05:46

#	User	Runtime	Language	Date
1	Thomas Feld	0.96 s	Ruby	2023-11-02 14:55:46

#	User	Runtime	Language	Date
1	Vincent Lagerros	0.01 s	Rust	2025-06-10 14:07:19
2	Artur Khuziakhmetov	0.13 s	Rust	2023-09-02 12:44:24
3	Daniel Anker Hermansen	0.13 s	Rust	2024-02-13 22:50:50
4	Nicholas Bachmann Tjørnelund	0.22 s	Rust	2021-02-08 14:13:56

#	User	Length	Language	Date
1	klimisnotmilk	1168	C	2023-07-21 16:56:17
2	Ivan Petrov	1925	C	2019-11-26 16:05:20
3	Bergur Snorrason	5714	C	2018-12-23 17:06:49

#	User	Length	Language	Date
1	Evan Michael Bailey	733	C++	2023-07-08 19:26:53
2	Caeden Whitaker	927	C++	2021-03-11 01:04:48
3	Landy Lu	937	C++	2021-10-02 04:44:50
4	Johan Wind	989	C++	2018-03-31 16:50:18
5	Herman Karlsson	1052	C++	2017-09-12 18:03:54
6	Robert Cummings	1127	C++	2018-06-15 04:09:46
7	James Kingy	1133	C++	2021-05-31 13:41:52
8	Rumbin Lee	1154	C++	2023-04-13 14:50:15
9	Nils Gustafsson	1158	C++	2017-09-12 18:29:59
10	Gustav Bille Gørtz	1161	C++	2023-04-13 14:39:28

#	User	Length	Language	Date
1	Matthew Craven	1021	Haskell	2019-10-14 02:03:36
2	Lars Corbijn	2861	Haskell	2018-09-18 12:25:13

#	User	Length	Language	Date
1	Doug Goodman	1762	Java	2021-03-31 21:39:53
2	Graeme Zinck	2024	Java	2019-11-02 13:53:15
3	Marc Dominic San Pedro	2091	Java	2023-06-19 10:36:12
4	Phan Huỳnh Anh Thư	2238	Java	2023-11-20 13:57:16
5	Magdirag Dag	2542	Java	2017-11-07 22:53:43
6	Finn Lidbetter	2665	Java	2017-11-03 00:54:01
7	Terrence Park	2796	Java	2019-01-13 10:34:04
8	Henry Wang	2950	Java	2017-10-15 01:00:54
9	Sawyer Stanley	3292	Java	2022-12-22 18:39:17
10	Paolo Pellizzoni	3474	Java	2020-01-05 22:44:45

#	User	Length	Language	Date
1	Bjørn Chr. Soltvedt	758	JavaScript (Node.js)	2018-06-13 06:49:07

#	User	Length	Language	Date
1	Bjørn Chr. Soltvedt	492	JavaScript (SpiderMonkey)	2017-09-24 01:23:05
2	Jimmy Gustafsson	509	JavaScript (SpiderMonkey)	2022-09-21 11:36:48
3	Christian Cederquist	3268	JavaScript (SpiderMonkey)	2023-06-07 16:42:03

#	User	Length	Language	Date
1	Andreas Eisele	486	Python 2	2018-09-08 14:20:44
2	Fatima Afzali	591	Python 2	2019-01-26 19:33:46
3	Dmitry Lyubshin	740	Python 2	2018-10-04 07:45:38
4	Lars Åström	932	Python 2	2018-10-14 22:04:55
5	Kasper Borys	1215	Python 2	2017-11-17 22:24:34
6	Ciara Godwin	1441	Python 2	2018-02-28 14:10:29
7	Agis Daniels	15732	Python 2	2020-07-21 18:38:31

#	User	Length	Language	Date
1	Ryan Farrell	371	Python 3	2025-01-18 07:18:59
2	Andreas Eisele	506	Python 3	2018-09-08 14:23:52
3	Hidden user	550	Python 3	2022-11-26 22:25:23
4	Jonathan Dastrup	752	Python 3	2024-11-14 03:06:48
5	Andrew McGehee	775	Python 3	2018-10-18 05:29:52
6	Dev	794	Python 3	2022-05-01 01:40:07
7	Hidden user	812	Python 3	2020-12-05 18:53:52
8	Sidharth Sundar	821	Python 3	2021-03-11 01:17:20
9	Luna Skjernaa Mygind	827	Python 3	2023-04-13 13:06:12
10	Hidden user	853	Python 3	2019-02-03 05:40:53

#	User	Length	Language	Date
1	Thomas Feld	412	Ruby	2023-11-02 15:07:08

#	User	Length	Language	Date
1	Nicholas Bachmann Tjørnelund	1528	Rust	2021-02-08 13:59:59
2	Artur Khuziakhmetov	1679	Rust	2023-09-02 12:44:24
3	Vincent Lagerros	16349	Rust	2024-06-25 16:46:43
4	Daniel Anker Hermansen	24784	Rust	2024-02-13 22:57:42

Solution running time distribution