Problem I
Faulty Robot — Problem Statistics

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Submissions	2788
Accepted submissions	1091
Submission ratio	39.13%
Authors	838
Full solves [?]	739
Full solve Ratio	88.19%

#	User	Runtime	Language	Date
1	Ivan Petrov	0.00 s	C	2019-08-30 15:35:30

#	User	Runtime	Language	Date
1	John Hollingsworth	0.04 s	C#	2017-11-07 05:39:05
2	Tomas Vainoris	0.06 s	C#	2023-09-30 14:03:16

#	User	Runtime	Language	Date
1	Crystal Sharpe	0.07 s	Java	2020-12-22 04:46:51
2	Wu Zhen Rong	0.09 s	Java	2018-07-26 06:33:58
3	Bjørn Dons	0.10 s	Java	2019-12-19 21:24:33
4	Hidden user	0.10 s	Java	2024-12-10 22:04:46
5	Jessica	0.10 s	Java	2024-12-10 22:12:56
6	Noah Goldsmid	0.11 s	Java	2017-11-07 22:48:21
7	Mohideen Imran Khan	0.11 s	Java	2018-07-26 05:37:03
8	Taras Romanyuk	0.11 s	Java	2024-06-15 00:07:27
9	ABDUL HAKAM BIN NOR RAZAK	0.11 s	Java	2024-11-23 12:44:42
10	Allen Anthes	0.12 s	Java	2017-11-05 22:39:15

#	User	Runtime	Language	Date
1	Bjørn Chr. Soltvedt	0.03 s	JavaScript (SpiderMonkey)	2024-02-09 08:49:46
2	Christian Pilegaard Cederquist	0.04 s	JavaScript (SpiderMonkey)	2023-08-07 21:21:03
3	Zach Tschetter	0.05 s	JavaScript (SpiderMonkey)	2023-04-13 20:44:58

#	User	Runtime	Language	Date
1	Hidden user	0.18 s	Kotlin	2020-04-28 08:09:35
2	Phường Lên	0.20 s	Kotlin	2020-05-02 03:49:05
3	Benjamin Ye	0.29 s	Kotlin	2024-01-18 21:13:01
4	Aksel Holbek Sørbye	0.34 s	Kotlin	2025-08-25 22:31:27
5	Paul McBurney	0.38 s	Kotlin	2025-09-09 17:41:05
6	Paul McBurney	0.38 s	Kotlin	2025-09-12 14:37:52
7	Min-Zheng Shieh	1.00 s	Kotlin	2021-03-20 17:33:38

#	User	Runtime	Language	Date
1	Ciara Godwin	0.04 s	Python 2	2018-05-04 20:29:13
2	Eric Williamson	0.05 s	Python 2	2017-11-09 03:11:02
3	Samúel Arnar Hafsteinsson	0.05 s	Python 2	2020-03-15 15:16:18
4	Agis Daniels	0.06 s	Python 2	2020-04-17 18:37:30
5	Elvar Árni Bjarnason	0.07 s	Python 2	2020-03-15 15:15:41

#	User	Runtime	Language	Date
1	Ciara Godwin	0.03 s	Python 3	2018-05-04 20:30:29
2	Dalock Liu	0.03 s	Python 3	2018-07-25 03:31:58
3	Blake Hyde	0.04 s	Python 3	2018-01-23 20:21:48
4	Zac Friggstad	0.04 s	Python 3	2018-05-23 22:40:30
5	Joshua Guerin	0.04 s	Python 3	2018-06-13 22:33:18
6	Daniel Harder	0.04 s	Python 3	2018-10-28 20:39:56
7	Hidden user	0.04 s	Python 3	2018-10-29 21:34:02
8	Ben Stutzman	0.04 s	Python 3	2018-10-30 02:21:53
9	Evan Hruskar	0.04 s	Python 3	2019-10-28 22:48:02
10	Meta Novitia	0.04 s	Python 3	2019-11-22 03:57:14

#	User	Runtime	Language	Date
1	Yoeri Otten	0.00 s	Rust	2022-01-23 02:29:59
2	Emberlynn McKinney	0.00 s	Rust	2025-12-25 06:36:02

#	User	Runtime	Language	Date
1	Hidden user	0.01 s	Swift	2024-05-17 11:45:35

#	User	Length	Language	Date
1	Ivan Petrov	4061	C	2019-08-30 15:35:30

#	User	Length	Language	Date
1	Tomas Vainoris	3523	C#	2023-09-30 14:03:16
2	John Hollingsworth	4871	C#	2017-11-07 05:39:05

#	User	Length	Language	Date
1	Allan Toledo	310	C++	2024-02-02 01:43:30
2	Hidden user	566	C++	2024-09-12 16:07:01
3	Yeung Man Tsung	649	C++	2022-11-27 12:15:10
4	מגיב גן	665	C++	2025-05-06 17:49:08
5	Willson Wijaya	667	C++	2019-07-05 15:27:14
6	Jerome Leow	673	C++	2021-01-24 08:41:32
7	bekarhunmain	674	C++	2024-07-24 18:58:18
8	Ranald Lam	682	C++	2018-04-25 05:35:13
9	Kang Ming Tay	682	C++	2018-04-25 15:58:35
10	Zane Yu	689	C++	2018-12-21 12:31:35

#	User	Length	Language	Date
1	Doug Goodman	970	Java	2017-11-21 21:27:33
2	Rezwan Arefin	1205	Java	2021-07-20 19:22:19
3	Joey Woodson	1229	Java	2017-11-06 02:39:20
4	Kaung Htet Wai Yan	1256	Java	2023-06-26 19:25:41
5	Hidden user	1471	Java	2018-05-01 21:27:15
6	Tim Wiegert	1471	Java	2025-12-06 19:58:11
7	Benjamin TheilmannGohr	1522	Java	2023-02-25 02:19:06
8	Pascal Finn Ribas	1525	Java	2025-12-02 15:17:22
9	Duncan Page	1572	Java	2018-01-28 23:15:47
10	Joseph Li	1606	Java	2024-01-27 02:53:50

#	User	Length	Language	Date
1	Bjørn Chr. Soltvedt	332	JavaScript (SpiderMonkey)	2024-02-09 09:00:10
2	Zach Tschetter	715	JavaScript (SpiderMonkey)	2023-04-13 20:44:58
3	Christian Pilegaard Cederquist	996	JavaScript (SpiderMonkey)	2023-08-07 21:21:03

#	User	Length	Language	Date
1	Benjamin Ye	785	Kotlin	2024-01-18 21:13:01
2	Min-Zheng Shieh	943	Kotlin	2021-03-20 17:33:38
3	Phường Lên	1215	Kotlin	2020-05-02 03:49:05
4	Hidden user	1308	Kotlin	2020-04-28 08:09:35
5	Paul McBurney	1757	Kotlin	2025-09-12 14:37:52
6	Paul McBurney	1811	Kotlin	2025-09-09 17:41:05
7	Aksel Holbek Sørbye	5891	Kotlin	2025-08-25 22:31:27

#	User	Length	Language	Date
1	Elvar Árni Bjarnason	597	Python 2	2020-03-15 15:15:41
2	Ciara Godwin	827	Python 2	2018-05-04 20:29:13
3	Eric Williamson	876	Python 2	2017-11-09 03:11:02
4	Samúel Arnar Hafsteinsson	883	Python 2	2020-03-15 15:16:18
5	Agis Daniels	1200	Python 2	2020-04-17 18:37:30

#	User	Length	Language	Date
1	Benjamin Ye	198	Python 3	2024-02-03 20:35:15
2	Michael Goldwasser	372	Python 3	2024-03-28 04:05:05
3	Hao Yi	374	Python 3	2024-01-20 14:25:13
4	Anshuman Dash	426	Python 3	2024-01-16 20:13:50
5	Lennart Meyling	507	Python 3	2022-12-15 19:54:02
6	Oskar Haarklou Veileborg	520	Python 3	2020-04-26 13:10:05
7	Zac Friggstad	549	Python 3	2018-05-23 22:40:30
8	Christian Lebeda	550	Python 3	2024-03-15 17:35:04
9	Nicholas Russell Saerang	553	Python 3	2023-06-24 19:41:22
10	Mohammad Hashemi	585	Python 3	2020-05-02 17:46:58

#	User	Length	Language	Date
1	Yoeri Otten	3035	Rust	2022-01-23 02:29:59
2	Emberlynn McKinney	3664	Rust	2025-12-25 06:36:02

#	User	Length	Language	Date
1	Hidden user	1552	Swift	2024-05-17 11:45:35

Solution running time distribution