Problem A
Crop Triangles (Hard) — Problem Statistics

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Submissions	661
Accepted submissions	240
Submission ratio	36.31%
Authors	211
Full solves [?]	171
Full solve Ratio	81.04%

#	User	Runtime	Language	Date
1	Thibault Raffaillac	0.01 s	C	2012-03-07 22:15:33
2	Hidden user	0.01 s	C	2017-05-12 12:44:24
3	Bergur Snorrason	0.01 s	C	2019-03-07 16:09:15
4	Ivan Petrov	0.01 s	C	2019-08-14 14:15:05
5	Alexander Bilde Pedersen	0.01 s	C	2024-12-04 14:34:09

#	User	Runtime	Language	Date
1	Johan Sannemo	0.01 s	C++	2012-03-07 18:25:08
2	Bjarki Ágúst Guðmundsson	0.01 s	C++	2014-04-14 01:03:11
3	Pham Nguyen Khang	0.01 s	C++	2015-09-07 14:52:12
4	Clarence Chew	0.01 s	C++	2016-03-14 14:55:42
5	David Venhoek	0.01 s	C++	2016-04-20 14:15:55
6	Jorik Jooken	0.01 s	C++	2016-10-09 12:05:53
7	Joakim Blikstad	0.01 s	C++	2016-11-05 02:11:08
8	Hrant Hovhannisyan	0.01 s	C++	2017-04-08 10:59:57
9	Antoni Guz	0.01 s	C++	2017-09-07 21:35:53
10	Govind Venugopalan	0.01 s	C++	2017-12-13 05:39:45

#	User	Runtime	Language	Date
1	Norbert Voelker	0.08 s	Go	2021-11-10 23:37:12

#	User	Runtime	Language	Date
1	Intrets	0.03 s	Haskell	2018-12-11 20:46:48
2	Olle Eriksson	0.14 s	Haskell	2018-03-09 01:23:23

#	User	Runtime	Language	Date
1	Nick Wu	0.08 s	Java	2016-08-15 03:46:30
2	Terrence Park	0.08 s	Java	2017-08-11 01:10:27
3	Simon Klein	0.09 s	Java	2012-03-07 18:51:09
4	Finn Lidbetter	0.09 s	Java	2017-03-01 17:38:43
5	Martijn Muijsers	0.09 s	Java	2017-03-22 16:52:43
6	Steven Cheng	0.10 s	Java	2018-05-22 14:56:30
7	Liam Keliher	0.10 s	Java	2020-06-23 01:46:38
8	Jan Štola	0.11 s	Java	2015-05-28 10:54:28
9	Micah Stairs	0.11 s	Java	2017-03-01 15:17:47
10	Shivam Dutt	0.12 s	Java	2017-08-08 05:04:22

#	User	Runtime	Language	Date
1	Jonathan Soo	0.19 s	Kotlin	2020-03-21 14:37:40

#	User	Runtime	Language	Date
1	Sigurður Jens Albertsson	0.04 s	Python 2	2018-03-02 19:07:00
2	Khoa Phung Nguyen Anh	0.05 s	Python 2	2018-11-21 15:59:50
3	Catalin Popa	0.05 s	Python 2	2018-12-11 18:01:53
4	Johan Lyts	0.05 s	Python 2	2020-02-18 21:16:51
5	Andreas Björklund	0.07 s	Python 2	2019-08-17 15:53:35

#	User	Runtime	Language	Date
1	Ian DeHaan	0.06 s	Python 3	2023-10-13 01:17:08
2	Yong Mao	0.06 s	Python 3	2025-06-17 01:47:18
3	Dilhan Salgado	0.06 s	Python 3	2025-09-15 13:17:58
4	Hidden user	0.07 s	Python 3	2020-03-24 06:23:26
5	Martin Fesser	0.07 s	Python 3	2020-06-16 16:21:28
6	Isaac Lee	0.07 s	Python 3	2020-06-23 03:13:30
7	Nithin Samy	0.07 s	Python 3	2020-07-15 00:03:15
8	alexandre dewilde	0.07 s	Python 3	2023-07-12 19:45:58
9	Harvey Chua	0.07 s	Python 3	2023-07-29 09:34:14
10	Nicholas Russell Saerang	0.07 s	Python 3	2023-08-15 12:07:50

#	User	Runtime	Language	Date
1	Thomas Feld	0.12 s	Ruby	2023-11-03 12:29:49

#	User	Runtime	Language	Date
1	Daniel Anker Hermansen	0.01 s	Rust	2023-09-19 15:06:34
2	Vincent Lagerros	0.01 s	Rust	2025-02-17 20:55:00

#	User	Length	Language	Date
1	Hidden user	1310	C	2017-05-12 12:44:24
2	Thibault Raffaillac	1358	C	2012-03-07 22:15:33
3	Ivan Petrov	1898	C	2019-08-14 14:15:05
4	Alexander Bilde Pedersen	2137	C	2024-12-04 14:34:09
5	Bergur Snorrason	2165	C	2019-03-07 16:09:15

#	User	Length	Language	Date
1	Grae Yeandle	731	C++	2021-03-26 15:03:23
2	William Gan	742	C++	2018-01-30 04:29:47
3	Johan Wind	803	C++	2018-04-09 15:34:45
4	Teikn Smith	823	C++	2022-06-19 00:26:48
5	Frederick Pek	862	C++	2021-12-29 10:56:52
6	Mathias Gernez	904	C++	2025-01-28 20:55:10
7	David Venhoek	917	C++	2016-04-20 14:15:55
8	Aaron Lamoreaux	921	C++	2019-04-10 17:34:13
9	Yeung Man Tsung	925	C++	2022-12-27 07:42:54
10	Josenildo Silva	933	C++	2020-04-23 16:11:57

#	User	Length	Language	Date
1	Norbert Voelker	1332	Go	2021-11-10 23:37:12

#	User	Length	Language	Date
1	Intrets	1380	Haskell	2018-12-10 21:15:30
2	Olle Eriksson	2098	Haskell	2018-03-09 01:23:23

#	User	Length	Language	Date
1	Doug Goodman	1436	Java	2017-09-30 15:34:31
2	Duncan Page	1604	Java	2019-08-27 00:40:40
3	Jan Štola	1628	Java	2015-05-28 10:54:28
4	Erik Odenman	1694	Java	2012-03-07 19:00:15
5	Shivam Dutt	1720	Java	2017-08-08 05:04:22
6	Finn Lidbetter	1863	Java	2017-03-01 17:38:43
7	Darrin Wiley	1903	Java	2017-08-08 04:23:23
8	Michael Stephen Skalak	2172	Java	2018-10-04 20:53:18
9	David Brodsky	2190	Java	2020-07-11 21:52:03
10	Hung Duong Thanh	2212	Java	2018-11-26 15:41:21

#	User	Length	Language	Date
1	Jonathan Soo	4209	Kotlin	2020-03-21 14:37:40

#	User	Length	Language	Date
1	Andreas Björklund	587	Python 2	2019-08-17 15:53:35
2	Sigurður Jens Albertsson	827	Python 2	2018-03-02 19:07:00
3	Khoa Phung Nguyen Anh	963	Python 2	2018-11-21 15:59:50
4	Johan Lyts	1041	Python 2	2020-02-18 21:16:51
5	Catalin Popa	1173	Python 2	2018-12-11 18:01:53

#	User	Length	Language	Date
1	Shashank Bhatt	331	Python 3	2023-10-13 01:39:42
2	Kelly Dance	365	Python 3	2023-10-12 21:45:13
3	Yong Mao	466	Python 3	2025-06-17 01:47:18
4	Ahmed Chamseddine	475	Python 3	2024-05-03 12:34:04
5	Oskar Haarklou Veileborg	504	Python 3	2020-09-28 09:14:21
6	Ian DeHaan	690	Python 3	2023-10-13 01:17:08
7	Dilhan Salgado	727	Python 3	2025-09-15 13:17:58
8	Hidden user	747	Python 3	2020-03-24 06:23:26
9	Christofer Ohlsson	796	Python 3	2023-02-20 17:49:40
10	Tai Tze Kin	804	Python 3	2024-05-06 12:00:29

#	User	Length	Language	Date
1	Thomas Feld	259	Ruby	2023-11-03 13:00:29

#	User	Length	Language	Date
1	Vincent Lagerros	1589	Rust	2025-02-17 20:58:06
2	Daniel Anker Hermansen	22424	Rust	2023-09-19 15:06:34

Solution running time distribution