Problem A
Estimating the Area of a Circle — Problem Statistics

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Submissions	345
Accepted submissions	126
Submission ratio	36.52%
Authors	113
Full solves [?]	111
Full solve Ratio	98.23%

#	User	Runtime	Language	Date
1	Greg Spies	0.00 s	C++	2015-08-26 05:37:38
2	Andrew Baas	0.00 s	C++	2015-08-28 18:07:31
3	Greg Walkup	0.00 s	C++	2015-08-29 06:12:06
4	Brian Langford	0.00 s	C++	2015-08-31 20:00:44
5	Collin Rapp	0.00 s	C++	2015-08-31 23:14:43
6	Benjamin Sepanski	0.00 s	C++	2017-08-24 04:00:26
7	Swapnil Saha	0.00 s	C++	2022-01-18 08:26:17
8	Mason Everett	0.01 s	C++	2015-08-26 18:41:02
9	Cameron Wagstaff	0.01 s	C++	2015-08-28 04:19:51
10	Daniel Stumpff	0.01 s	C++	2015-08-29 04:01:41

#	User	Runtime	Language	Date
1	Hidden user	0.16 s	Java	2018-01-11 14:59:54
2	Joe Cong	0.17 s	Java	2018-01-18 19:47:07
3	Peter Neale	0.24 s	Java	2017-08-29 04:49:58
4	Andrew Baas	0.26 s	Java	2015-08-29 16:15:53
5	Hidden user	0.26 s	Java	2018-01-16 14:29:23
6	Tingshuo Miao	0.42 s	Java	2023-01-20 02:19:09
7	Hidden user	0.46 s	Java	2019-01-22 03:13:37
8	Hidden user	0.79 s	Java	2018-01-14 02:16:54

#	User	Runtime	Language	Date
1	Greg Hamerly	0.04 s	Python 2	2015-10-13 23:32:02
2	Nick Rohn	0.04 s	Python 2	2017-08-28 19:41:36
3	Jacob Elnaggar	0.04 s	Python 2	2018-01-16 08:02:10
4	Askar Kuvanychbekov	0.04 s	Python 2	2019-01-22 05:40:34
5	Tomas Alvarez	0.05 s	Python 2	2018-01-02 22:06:27
6	Sean Lavoie	0.05 s	Python 2	2018-01-11 22:58:12

#	User	Runtime	Language	Date
1	Melody Horn	0.02 s	Python 3	2017-08-24 16:06:07
2	Hidden user	0.02 s	Python 3	2018-01-10 01:46:35
3	Matthew Griffin	0.02 s	Python 3	2018-01-10 07:06:30
4	Zhiyue Ding	0.02 s	Python 3	2018-01-13 16:10:57
5	Yuchen Qian	0.02 s	Python 3	2018-01-16 20:57:15
6	Hidden user	0.02 s	Python 3	2018-01-16 22:43:35
7	Hidden user	0.02 s	Python 3	2019-01-19 16:20:21
8	Hidden user	0.02 s	Python 3	2019-12-24 19:03:30
9	Abdul Rahman Abdalla A Abu Elkhail	0.03 s	Python 3	2019-01-21 05:37:57
10	Suresh Karki	0.03 s	Python 3	2019-01-21 20:32:14

#	User	Runtime	Language	Date
1	Kofi Nketia Ackaah-Gyasi	0.07 s	Python 3 with NumPy	2025-01-27 21:38:50
2	Thomas Reinke	0.54 s	Python 3 with NumPy	2025-01-23 12:33:53

#	User	Length	Language	Date
1	Nathaniel Brown	225	C++	2020-08-28 18:13:44
2	Mason Everett	257	C++	2015-08-26 18:41:02
3	Steven Gutzwiller	290	C++	2015-08-31 15:20:20
4	Andrew Hutcheson	307	C++	2026-01-28 23:20:35
5	Brooklynn Stone	350	C++	2021-08-23 19:56:17
6	Gan-Orgil Gantumur	352	C++	2026-01-29 01:54:34
7	Ethan Dickey	361	C++	2020-08-31 06:39:10
8	Greg Spies	365	C++	2015-08-26 05:37:38
9	Cameron Wagstaff	367	C++	2015-08-28 04:19:51
10	Bob Rein	371	C++	2020-08-29 01:46:45

#	User	Length	Language	Date
1	Tingshuo Miao	494	Java	2023-01-20 02:19:09
2	Hidden user	545	Java	2018-01-14 02:16:54
3	Peter Neale	572	Java	2017-08-29 04:49:58
4	Hidden user	611	Java	2018-01-11 14:59:54
5	Joe Cong	745	Java	2018-01-18 19:47:07
6	Andrew Baas	786	Java	2015-08-29 16:15:53
7	Hidden user	1250	Java	2019-01-22 03:24:22
8	Hidden user	1507	Java	2018-01-16 14:29:23

#	User	Length	Language	Date
1	Sean Lavoie	179	Python 2	2018-01-11 22:58:12
2	Greg Hamerly	219	Python 2	2015-10-13 23:32:02
3	Tomas Alvarez	228	Python 2	2018-01-02 22:06:27
4	Nick Rohn	269	Python 2	2017-08-28 19:41:36
5	Askar Kuvanychbekov	271	Python 2	2019-01-22 05:40:34
6	Jacob Elnaggar	341	Python 2	2018-01-16 08:02:10

#	User	Length	Language	Date
1	Chinagorom Mbaraonye	161	Python 3	2020-08-27 23:33:57
2	Alejandro Rodríguez Pérez	216	Python 3	2022-01-19 17:36:27
3	Maisha Binte Rashid	229	Python 3	2022-01-22 21:57:39
4	Jannatul Ferdaus	229	Python 3	2026-01-30 08:24:38
5	Jeremy	233	Python 3	2025-01-25 20:14:00
6	Pratistha Shrestha	243	Python 3	2020-01-21 04:12:20
7	Yuchen Qian	245	Python 3	2018-01-16 20:57:15
8	Benjamin Sepanski	251	Python 3	2020-01-16 01:32:32
9	Matthew McCaskill	251	Python 3	2021-08-23 19:59:49
10	Mehang Rai	257	Python 3	2020-01-19 22:57:40

#	User	Length	Language	Date
1	Thomas Reinke	300	Python 3 with NumPy	2025-01-23 12:33:53
2	Kofi Nketia Ackaah-Gyasi	1536	Python 3 with NumPy	2025-01-27 21:38:50

Solution running time distribution