Problem I
Dominos — Problem Statistics

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Submissions	17770
Accepted submissions	3442
Submission ratio	19.37%
Authors	2661
Full solves [?]	2117
Full solve Ratio	79.56%

#	User	Runtime	Language	Date
1	Hidden user	0.02 s	C	2017-05-31 09:36:04
2	Hidden user	0.04 s	C	2024-12-15 13:06:43
3	Yosvany Leyva	0.13 s	C	2015-06-22 18:11:34
4	Fu Kai	0.13 s	C	2015-11-02 14:51:08
5	Samir Idwy	0.13 s	C	2016-05-12 08:02:48
6	Christopher Boo	0.13 s	C	2017-04-13 02:23:22
7	Eoin Davey	0.13 s	C	2017-09-17 01:20:22
8	Pako Tang	0.13 s	C	2020-11-07 17:44:37
9	Ian Soo	0.13 s	C	2020-11-08 08:47:51
10	Zhang Jingzheng	0.13 s	C	2020-11-11 02:29:56

#	User	Runtime	Language	Date
1	Ugnius Skučas	0.43 s	C#	2016-10-18 20:59:06
2	Apurav Khare	0.70 s	C#	2021-11-08 07:17:01

#	User	Runtime	Language	Date
1	Jeremy Lim	0.00 s	C++	2023-11-10 15:52:07
2	Constantijn Dekker	0.02 s	C++	2021-04-17 13:23:09
3	Zhang Jikun	0.02 s	C++	2022-07-23 20:27:25
4	Ethan Dickey	0.04 s	C++	2022-10-29 08:35:39
5	Sabit Zahin	0.05 s	C++	2015-10-20 19:21:45
6	Duarte Nóbrega	0.05 s	C++	2019-08-16 17:18:23
7	Harrison Shen	0.05 s	C++	2020-07-16 15:59:53
8	Geralt of Rivia	0.05 s	C++	2022-06-21 02:44:42
9	Hamilton Wang	0.05 s	C++	2022-10-27 06:31:16
10	Lin Lee	0.06 s	C++	2017-05-19 15:53:37

#	User	Runtime	Language	Date
1	Norbert Voelker	0.23 s	Go	2023-04-18 11:09:33

#	User	Runtime	Language	Date
1	Jeremy Lim	0.06 s	Java	2023-11-09 16:20:17
2	Lee Jia Yi	0.11 s	Java	2024-04-13 18:49:29
3	Isaac Tay Zhi Xian	0.12 s	Java	2023-08-15 17:27:22
4	Tian Xiao	0.16 s	Java	2021-03-31 09:37:22
5	Hidden user	0.18 s	Java	2020-12-15 17:25:35
6	Leon Wang	0.25 s	Java	2024-10-18 01:37:10
7	Guangyi Zhou	0.25 s	Java	2024-11-09 08:43:18
8	Timothy Wan Kai Yang	0.27 s	Java	2023-07-19 16:21:21
9	Nicholas Russell Saerang	0.31 s	Java	2021-03-31 12:33:34
10	Ben Reed	0.31 s	Java	2024-01-31 08:43:02

#	User	Runtime	Language	Date
1	Christian Pilegaard Cederquist	0.33 s	JavaScript (SpiderMonkey)	2023-06-09 08:03:55

#	User	Runtime	Language	Date
1	Chelsea Hoernemann	0.69 s	Kotlin	2022-12-01 22:01:51
2	Hidden user	0.85 s	Kotlin	2019-12-02 12:39:31

#	User	Runtime	Language	Date
1	Yue Li	0.54 s	Python 2	2022-08-16 03:48:44
2	Hermon Mulat	0.55 s	Python 2	2018-10-01 23:10:37
3	Wonder World	0.56 s	Python 2	2020-11-09 23:18:04
4	John Doe	0.56 s	Python 2	2021-04-04 06:35:49
5	Wei Zhe Liu	0.56 s	Python 2	2022-10-24 19:12:34
6	Juntong Lee	0.57 s	Python 2	2023-04-10 13:20:11
7	Timon Knigge	0.62 s	Python 2	2020-04-17 15:46:11

#	User	Runtime	Language	Date
1	Ziyang Huang	0.25 s	Python 3	2023-10-27 05:29:28
2	Gladwin Yeo	0.29 s	Python 3	2022-07-14 04:21:05
3	Ben Zydney	0.36 s	Python 3	2023-02-18 22:16:43
4	Anvit Sinha	0.41 s	Python 3	2024-10-14 04:12:50
5	Ron Natarajan	0.43 s	Python 3	2024-10-25 01:43:56
6	Christopher Gou	0.43 s	Python 3	2024-10-25 04:19:42
7	Praval Kollipara	0.43 s	Python 3	2024-10-25 20:55:13
8	Monish Madineni	0.43 s	Python 3	2025-05-22 13:17:04
9	Nicholas Russell Saerang	0.44 s	Python 3	2023-03-26 00:05:33
10	Kevin Lai	0.45 s	Python 3	2023-10-06 06:34:57

#	User	Runtime	Language	Date
1	Vincent Lagerros	0.03 s	Rust	2025-03-20 19:05:21
2	Joe Blower	0.03 s	Rust	2025-08-27 02:40:56
3	Niklas Sandén	0.08 s	Rust	2023-02-21 15:55:13
4	Kian Kasad	0.09 s	Rust	2025-03-28 04:48:40
5	Egor Kulikov	0.12 s	Rust	2024-10-17 11:44:54
6	Ole Johan Walderhaug	0.37 s	Rust	2021-03-30 16:39:22
7	Eric Pinter	0.60 s	Rust	2021-07-29 04:25:24

#	User	Length	Language	Date
1	Ian Soo	1689	C	2020-11-08 08:49:00
2	meet shah	1711	C	2021-10-28 00:43:04
3	Zhang Jingzheng	1720	C	2020-11-11 02:29:56
4	Yosvany Leyva	1731	C	2015-06-22 18:11:34
5	Samir Idwy	1784	C	2016-05-12 08:02:48
6	Christopher Boo	1784	C	2017-04-13 02:23:22
7	Eoin Davey	1784	C	2017-09-17 01:20:22
8	Vedang Gaonkar	1784	C	2019-12-11 06:16:38
9	Pako Tang	1784	C	2020-11-07 17:44:37
10	Lim Zhong Zhi	1784	C	2021-04-13 14:07:46

#	User	Length	Language	Date
1	Ugnius Skučas	2229	C#	2016-10-18 20:59:06
2	Apurav Khare	4630	C#	2021-11-08 07:17:01

#	User	Length	Language	Date
1	Jeremy Lim	298	C++	2023-11-10 16:13:22
2	Mathias Gernez	691	C++	2023-04-16 22:18:12
3	Si Jun Ke	770	C++	2016-02-23 11:12:56
4	bekarhunmain	802	C++	2024-07-23 11:52:09
5	Kurtis Van Gent	807	C++	2016-01-04 03:45:16
6	Roger Chen	814	C++	2022-12-23 17:08:06
7	Johan Wind	832	C++	2015-05-22 15:19:10
8	Luciano Arnaldo Romero Calla	877	C++	2024-02-29 23:29:55
9	Hidden user	916	C++	2013-04-12 11:22:56
10	Lim Hong Hui Eugene	928	C++	2017-02-09 21:03:40

#	User	Length	Language	Date
1	Norbert Voelker	1783	Go	2023-04-18 11:33:15

#	User	Length	Language	Date
1	Jeremy Lim	670	Java	2023-11-10 14:29:22
2	Wang Zhuoyu	975	Java	2022-04-12 07:59:09
3	Du Jiesheng	1051	Java	2023-11-10 21:41:43
4	Kurtis Van Gent	1317	Java	2016-01-02 15:38:38
5	Hidden user	1500	Java	2024-04-10 05:20:56
6	Tony Go	1543	Java	2024-04-16 03:31:57
7	Frederick Pek	1573	Java	2021-03-31 09:49:44
8	Ong Wei Hong	1660	Java	2022-07-21 08:38:56
9	Lau Mei Jin	1696	Java	2023-04-06 08:23:10
10	Isaac Lai Yin Chung	1722	Java	2023-12-13 16:34:00

#	User	Length	Language	Date
1	Christian Pilegaard Cederquist	1770	JavaScript (SpiderMonkey)	2023-06-09 08:03:55

#	User	Length	Language	Date
1	Hidden user	1619	Kotlin	2019-12-02 12:39:31
2	Chelsea Hoernemann	2135	Kotlin	2022-12-01 22:01:51

#	User	Length	Language	Date
1	Hermon Mulat	1615	Python 2	2018-10-01 23:16:32
2	Wonder World	1693	Python 2	2020-11-09 23:18:04
3	John Doe	1693	Python 2	2021-04-04 06:35:49
4	Yue Li	1693	Python 2	2022-08-16 03:48:44
5	Wei Zhe Liu	1693	Python 2	2022-10-24 19:12:34
6	Juntong Lee	1695	Python 2	2023-04-10 13:20:11
7	Timon Knigge	1951	Python 2	2020-04-17 15:46:11

#	User	Length	Language	Date
1	Kelly Dance	678	Python 3	2022-10-08 06:46:07
2	Nicholas Russell Saerang	878	Python 3	2023-03-26 00:03:23
3	Ziyang Huang	885	Python 3	2023-10-27 05:31:00
4	Tony Martin	926	Python 3	2025-04-04 04:02:25
5	Bobby Frassinelli	1012	Python 3	2025-03-27 19:57:27
6	Dhruvam Desai	1189	Python 3	2024-09-12 19:46:43
7	Eric Druid	1314	Python 3	2022-11-04 23:13:42
8	Prateek Bhakta	1320	Python 3	2024-09-17 01:39:56
9	Iman Khodadi	1338	Python 3	2024-06-10 17:53:33
10	Thore Husfeldt	1362	Python 3	2025-03-22 18:00:00

#	User	Length	Language	Date
1	Eric Pinter	2784	Rust	2021-07-29 04:25:24
2	Kian Kasad	3181	Rust	2025-03-28 04:48:40
3	Ole Johan Walderhaug	3895	Rust	2021-03-30 16:15:11
4	Joe Blower	3996	Rust	2025-08-27 02:40:56
5	Vincent Lagerros	6468	Rust	2024-05-17 19:17:37
6	Niklas Sandén	28067	Rust	2023-02-21 15:55:13
7	Egor Kulikov	49584	Rust	2024-10-17 11:44:54

Solution running time distribution