Problem A
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 13:35:30

#	User	Runtime	Language	Date
1	John Hollingsworth	0.04 s	C#	2017-11-07 04:39:05
2	Tomas Vainoris	0.06 s	C#	2023-09-30 12:03:16

#	User	Runtime	Language	Date
1	Crystal Sharpe	0.07 s	Java	2020-12-22 03:46:51
2	Wu Zhen Rong	0.09 s	Java	2018-07-26 04:33:58
3	Bjørn Dons	0.10 s	Java	2019-12-19 20:24:33
4	Hidden user	0.10 s	Java	2024-12-10 21:04:46
5	Jessica	0.10 s	Java	2024-12-10 21:12:56
6	Noah Goldsmid	0.11 s	Java	2017-11-07 21:48:21
7	Mohideen Imran Khan	0.11 s	Java	2018-07-26 03:37:03
8	Taras Romanyuk	0.11 s	Java	2024-06-14 22:07:27
9	ABDUL HAKAM BIN NOR RAZAK	0.11 s	Java	2024-11-23 11:44:42
10	Allen Anthes	0.12 s	Java	2017-11-05 21:39:15

#	User	Runtime	Language	Date
1	Bjørn Chr. Soltvedt	0.03 s	JavaScript (SpiderMonkey)	2024-02-09 07:49:46
2	Christian Pilegaard Cederquist	0.04 s	JavaScript (SpiderMonkey)	2023-08-07 19:21:03
3	Zach Tschetter	0.05 s	JavaScript (SpiderMonkey)	2023-04-13 18:44:58

#	User	Runtime	Language	Date
1	Hidden user	0.18 s	Kotlin	2020-04-28 06:09:35
2	Phường Lên	0.20 s	Kotlin	2020-05-02 01:49:05
3	Benjamin Ye	0.29 s	Kotlin	2024-01-18 20:13:01
4	Aksel Holbek Sørbye	0.34 s	Kotlin	2025-08-25 20:31:27
5	Paul McBurney	0.38 s	Kotlin	2025-09-09 15:41:05
6	Paul McBurney	0.38 s	Kotlin	2025-09-12 12:37:52
7	Min-Zheng Shieh	1.00 s	Kotlin	2021-03-20 16:33:38

#	User	Runtime	Language	Date
1	Ciara Godwin	0.04 s	Python 2	2018-05-04 18:29:13
2	Eric Williamson	0.05 s	Python 2	2017-11-09 02:11:02
3	Samúel Arnar Hafsteinsson	0.05 s	Python 2	2020-03-15 14:16:18
4	Agis Daniels	0.06 s	Python 2	2020-04-17 16:37:30
5	Elvar Árni Bjarnason	0.07 s	Python 2	2020-03-15 14:15:41

#	User	Runtime	Language	Date
1	Ciara Godwin	0.03 s	Python 3	2018-05-04 18:30:29
2	Dalock Liu	0.03 s	Python 3	2018-07-25 01:31:58
3	Blake Hyde	0.04 s	Python 3	2018-01-23 19:21:48
4	Zac Friggstad	0.04 s	Python 3	2018-05-23 20:40:30
5	Joshua Guerin	0.04 s	Python 3	2018-06-13 20:33:18
6	Daniel Harder	0.04 s	Python 3	2018-10-28 19:39:56
7	Hidden user	0.04 s	Python 3	2018-10-29 20:34:02
8	Ben Stutzman	0.04 s	Python 3	2018-10-30 01:21:53
9	Evan Hruskar	0.04 s	Python 3	2019-10-28 21:48:02
10	Meta Novitia	0.04 s	Python 3	2019-11-22 02:57:14

#	User	Runtime	Language	Date
1	Yoeri Otten	0.00 s	Rust	2022-01-23 01:29:59
2	Emberlynn McKinney	0.00 s	Rust	2025-12-25 05:36:02

#	User	Runtime	Language	Date
1	Hidden user	0.01 s	Swift	2024-05-17 09:45:35

#	User	Length	Language	Date
1	Ivan Petrov	4061	C	2019-08-30 13:35:30

#	User	Length	Language	Date
1	Tomas Vainoris	3523	C#	2023-09-30 12:03:16
2	John Hollingsworth	4871	C#	2017-11-07 04:39:05

#	User	Length	Language	Date
1	Allan Toledo	310	C++	2024-02-02 00:43:30
2	Hidden user	566	C++	2024-09-12 14:07:01
3	Yeung Man Tsung	649	C++	2022-11-27 11:15:10
4	מגיב גן	665	C++	2025-05-06 15:49:08
5	Hidden user	667	C++	2019-07-05 13:27:14
6	Jerome Leow	673	C++	2021-01-24 07:41:32
7	bekarhunmain	674	C++	2024-07-24 16:58:18
8	Ranald Lam	682	C++	2018-04-25 03:35:13
9	Kang Ming Tay	682	C++	2018-04-25 13:58:35
10	Zane Yu	689	C++	2018-12-21 11:31:35

#	User	Length	Language	Date
1	Doug Goodman	970	Java	2017-11-21 20:27:33
2	Rezwan Arefin	1205	Java	2021-07-20 17:22:19
3	Joey Woodson	1229	Java	2017-11-06 01:39:20
4	Kaung Htet Wai Yan	1256	Java	2023-06-26 17:25:41
5	Hidden user	1471	Java	2018-05-01 19:27:15
6	Tim Wiegert	1471	Java	2025-12-06 18:58:11
7	Benjamin TheilmannGohr	1522	Java	2023-02-25 01:19:06
8	Pascal Finn Ribas	1525	Java	2025-12-02 14:17:22
9	Duncan Page	1572	Java	2018-01-28 22:15:47
10	Joseph Li	1606	Java	2024-01-27 01:53:50

#	User	Length	Language	Date
1	Bjørn Chr. Soltvedt	332	JavaScript (SpiderMonkey)	2024-02-09 08:00:10
2	Zach Tschetter	715	JavaScript (SpiderMonkey)	2023-04-13 18:44:58
3	Christian Pilegaard Cederquist	996	JavaScript (SpiderMonkey)	2023-08-07 19:21:03

#	User	Length	Language	Date
1	Benjamin Ye	785	Kotlin	2024-01-18 20:13:01
2	Min-Zheng Shieh	943	Kotlin	2021-03-20 16:33:38
3	Phường Lên	1215	Kotlin	2020-05-02 01:49:05
4	Hidden user	1308	Kotlin	2020-04-28 06:09:35
5	Paul McBurney	1757	Kotlin	2025-09-12 12:37:52
6	Paul McBurney	1811	Kotlin	2025-09-09 15:41:05
7	Aksel Holbek Sørbye	5891	Kotlin	2025-08-25 20:31:27

#	User	Length	Language	Date
1	Elvar Árni Bjarnason	597	Python 2	2020-03-15 14:15:41
2	Ciara Godwin	827	Python 2	2018-05-04 18:29:13
3	Eric Williamson	876	Python 2	2017-11-09 02:11:02
4	Samúel Arnar Hafsteinsson	883	Python 2	2020-03-15 14:16:18
5	Agis Daniels	1200	Python 2	2020-04-17 16:37:30

#	User	Length	Language	Date
1	Benjamin Ye	198	Python 3	2024-02-03 19:35:15
2	Michael Goldwasser	372	Python 3	2024-03-28 03:05:05
3	Hao Yi	374	Python 3	2024-01-20 13:25:13
4	Anshuman Dash	426	Python 3	2024-01-16 19:13:50
5	Lennart Meyling	507	Python 3	2022-12-15 18:54:02
6	Oskar Haarklou Veileborg	520	Python 3	2020-04-26 11:10:05
7	Zac Friggstad	549	Python 3	2018-05-23 20:40:30
8	Christian Lebeda	550	Python 3	2024-03-15 16:35:04
9	Nicholas Russell Saerang	553	Python 3	2023-06-24 17:41:22
10	Mohammad Hashemi	585	Python 3	2020-05-02 15:46:58

#	User	Length	Language	Date
1	Yoeri Otten	3035	Rust	2022-01-23 01:29:59
2	Emberlynn McKinney	3664	Rust	2025-12-25 05:36:02

#	User	Length	Language	Date
1	Hidden user	1552	Swift	2024-05-17 09:45:35

Solution running time distribution