Problem A
Prime Spiral — Problem Statistics

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Submissions	1081
Accepted submissions	458
Submission ratio	42.37%
Authors	342
Full solves [?]	293
Full solve Ratio	85.67%

#	User	Runtime	Language	Date
1	Đinh Phạm Đăng Khoa	0.00 s	C	2016-03-10 08:04:12
2	Bergur Snorrason	0.00 s	C	2019-12-12 12:51:02
3	Sambit Palit	0.00 s	C	2020-12-04 23:21:53
4	Xiaochi Wang	0.00 s	C	2022-07-21 10:11:44
5	Anton Siderud	0.01 s	C	2020-07-01 20:52:33
6	Bulusu Sowjanya	0.02 s	C	2019-03-30 11:17:29
7	Nhật Anh Võ Nguyễn	0.13 s	C	2016-03-09 15:09:58
8	Nguyễn Hoàng	0.29 s	C	2016-03-09 12:38:30
9	Đào Thanh Duy	0.29 s	C	2016-03-09 16:58:54

#	User	Runtime	Language	Date
1	Arif Rahman	0.07 s	C#	2018-09-17 22:21:48
2	Soujatya Sanyal	0.41 s	C#	2019-02-16 16:52:04

#	User	Runtime	Language	Date
1	Hidden user	0.01 s	Common Lisp	2019-07-14 05:21:57

#	User	Runtime	Language	Date
1	Norbert Voelker	0.34 s	Go	2021-11-22 00:43:28

#	User	Runtime	Language	Date
1	Sven Rönnbäck	0.06 s	Java	2024-11-17 11:46:38
2	Eskil Jarlskog	0.07 s	Java	2016-12-01 17:34:39
3	Bjørn Dons	0.07 s	Java	2018-10-30 02:54:16
4	Hidden user	0.09 s	Java	2016-02-14 21:52:23
5	Dỗn Lùng	0.09 s	Java	2018-11-04 21:31:00
6	Anh Vinh Vũ	0.11 s	Java	2016-10-07 20:20:54
7	Erlandas Miezys	0.11 s	Java	2018-04-18 11:02:07
8	Vu Hoang Thai	0.11 s	Java	2022-11-10 02:52:37
9	Bao Hoang Chuong Nguyen	0.11 s	Java	2022-11-10 02:53:56
10	Tu Ha Cam	0.11 s	Java	2022-11-21 17:59:26

#	User	Runtime	Language	Date
1	Hunter Tseng	0.43 s	JavaScript (Node.js)	2019-09-04 09:56:00
2	Anders Vrethem	0.49 s	JavaScript (Node.js)	2019-09-04 13:15:10

#	User	Runtime	Language	Date
1	Christian Pilegaard Cederquist	0.23 s	JavaScript (SpiderMonkey)	2023-05-02 13:09:02
2	Bjørn Chr. Soltvedt	0.24 s	JavaScript (SpiderMonkey)	2019-02-28 14:34:17

#	User	Runtime	Language	Date
1	Timothy Gaede	0.68 s	Julia	2025-11-28 06:44:19

#	User	Runtime	Language	Date
1	Przemysław Curzytek	0.22 s	Kotlin	2018-09-22 05:47:41

#	User	Runtime	Language	Date
1	Bertrand Evertz	0.06 s	Python 2	2018-04-19 11:37:03
2	Agis Daniels	0.10 s	Python 2	2020-04-17 21:56:16
3	Johann Ly	0.11 s	Python 2	2018-09-22 09:00:58
4	Kristmundur Agust	0.12 s	Python 2	2015-03-10 14:41:09
5	Hidden user	0.21 s	Python 2	2019-12-13 14:58:28
6	Muzakhir Amanzholov	0.27 s	Python 2	2017-03-31 01:46:15
7	Hidden user	0.28 s	Python 2	2018-01-07 09:54:27
8	Henrik Schou Røising	0.33 s	Python 2	2013-10-08 19:39:09

#	User	Runtime	Language	Date
1	Isaac Lee	0.04 s	Python 3	2019-06-06 20:29:52
2	Ram Basnet	0.07 s	Python 3	2023-10-15 20:34:33
3	Hidden user	0.08 s	Python 3	2019-11-11 21:36:24
4	Nicholas Russell Saerang	0.08 s	Python 3	2023-07-03 12:21:48
5	Iman Khodadi	0.08 s	Python 3	2024-02-19 15:23:29
6	Anders Dalby	0.08 s	Python 3	2024-12-31 01:53:48
7	RandyWaterhouse	0.09 s	Python 3	2021-06-02 17:43:56
8	Lex Janssens	0.09 s	Python 3	2021-10-18 16:01:38
9	Patrick Jung	0.09 s	Python 3	2021-11-30 08:49:28
10	Kevin C Harris	0.09 s	Python 3	2024-03-07 09:42:43

#	User	Runtime	Language	Date
1	Jonathan Cederlund	0.00 s	Rust	2023-05-13 16:55:51
2	Bas Dirks	0.01 s	Rust	2024-02-10 10:54:48

#	User	Length	Language	Date
1	Nguyễn Hoàng	1841	C	2016-03-09 12:38:30
2	Đào Thanh Duy	1874	C	2016-03-09 16:58:54
3	Xiaochi Wang	2569	C	2022-07-21 10:11:44
4	Nhật Anh Võ Nguyễn	2882	C	2016-03-09 15:09:58
5	Bergur Snorrason	3362	C	2019-12-12 12:51:02
6	Anton Siderud	4024	C	2020-07-01 20:52:33
7	Đinh Phạm Đăng Khoa	4483	C	2016-03-10 08:04:12
8	Bulusu Sowjanya	5230	C	2019-03-30 11:17:29
9	Sambit Palit	7743	C	2020-12-04 23:21:53

#	User	Length	Language	Date
1	Soujatya Sanyal	5219	C#	2019-02-16 16:52:04
2	Arif Rahman	23626	C#	2018-09-17 22:21:48

#	User	Length	Language	Date
1	Josenildo Silva	1423	C++	2020-05-06 16:33:19
2	Hidden user	1518	C++	2024-01-27 16:33:29
3	Bernhard Kartefla	1560	C++	2017-01-16 22:47:29
4	Johan Wind	1573	C++	2018-09-29 15:54:24
5	Christian Yongwhan Lim	1575	C++	2024-03-16 02:12:04
6	Julian Neeleman	1645	C++	2017-05-16 16:32:44
7	Austin Fernandez	1670	C++	2019-08-28 23:05:21
8	Markus Mathiasen	1672	C++	2023-07-27 21:10:20
9	พุฒิเศรษฐ์ him him him	1678	C++	2024-03-04 09:29:07
10	Kaifei Chen	1694	C++	2013-07-02 08:36:44

#	User	Length	Language	Date
1	Hidden user	2859	Common Lisp	2019-07-14 05:10:58

#	User	Length	Language	Date
1	Norbert Voelker	9731	Go	2021-11-22 00:21:56

#	User	Length	Language	Date
1	Toan Tran Ngoc Anh	2528	Java	2024-11-19 19:46:35
2	Darrin Wiley	2756	Java	2020-09-05 21:08:18
3	Hidden user	2756	Java	2024-11-14 02:22:17
4	Dat Nguyen Tran Quoc	2756	Java	2024-11-14 12:21:37
5	Nguyen Duy	2756	Java	2024-11-19 14:50:33
6	Hidden user	3042	Java	2024-11-24 23:00:35
7	Billy Bishop	3062	Java	2021-12-01 02:43:28
8	Minh Ton That Nhat	3096	Java	2024-11-17 23:46:10
9	Micah Stairs	3123	Java	2016-08-22 03:28:04
10	Nam Vu Dinh	3208	Java	2024-11-14 17:32:46

#	User	Length	Language	Date
1	Anders Vrethem	3045	JavaScript (Node.js)	2019-12-18 17:37:24
2	Hunter Tseng	3310	JavaScript (Node.js)	2019-09-04 09:56:00

#	User	Length	Language	Date
1	Christian Pilegaard Cederquist	4196	JavaScript (SpiderMonkey)	2023-05-02 13:09:02
2	Bjørn Chr. Soltvedt	7991	JavaScript (SpiderMonkey)	2019-02-28 14:09:36

#	User	Length	Language	Date
1	Timothy Gaede	3393	Julia	2025-11-28 06:44:19

#	User	Length	Language	Date
1	Przemysław Curzytek	7711	Kotlin	2018-09-22 05:47:41

#	User	Length	Language	Date
1	Johann Ly	1952	Python 2	2018-09-22 09:00:58
2	Hidden user	2099	Python 2	2019-12-13 15:51:27
3	Bertrand Evertz	2133	Python 2	2018-04-19 11:37:03
4	Hidden user	4535	Python 2	2018-01-07 09:54:27
5	Kristmundur Agust	4845	Python 2	2015-03-10 14:41:09
6	Muzakhir Amanzholov	5121	Python 2	2017-03-31 01:46:15
7	Henrik Schou Røising	8849	Python 2	2013-10-08 19:39:09
8	Agis Daniels	36443	Python 2	2020-04-17 21:56:16

#	User	Length	Language	Date
1	Peter Stauder	666	Python 3	2023-03-17 20:40:53
2	Lukas Kerren	1138	Python 3	2024-05-19 15:42:24
3	Nicholas Russell Saerang	1277	Python 3	2023-07-03 12:21:48
4	Vincent Tandya	1281	Python 3	2021-05-06 05:59:42
5	Andreas Björklund	1330	Python 3	2023-04-12 09:05:54
6	Sergey Pashkovsky	1672	Python 3	2019-12-02 11:43:29
7	Godmar Back	1691	Python 3	2025-10-05 16:11:50
8	Iman Khodadi	1699	Python 3	2024-02-19 15:23:29
9	RandyWaterhouse	2083	Python 3	2021-06-02 17:43:56
10	Lex Janssens	2092	Python 3	2021-10-18 16:01:38

#	User	Length	Language	Date
1	Bas Dirks	4238	Rust	2024-02-10 10:54:48
2	Jonathan Cederlund	4428	Rust	2023-05-13 16:55:51

Solution running time distribution