Problem I
What's on the Grille? — Problem Statistics

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Submissions	2465
Accepted submissions	712
Submission ratio	28.88%
Authors	720
Full solves [?]	615
Full solve Ratio	85.42%

#	User	Runtime	Language	Date
1	Andriy Zyevakov	0.02 s	C#	2016-03-16 10:01:14
2	Iwan	0.02 s	C#	2016-12-06 13:25:59
3	Doug Goodman	0.02 s	C#	2018-08-25 16:24:12
4	Michael Gulliksen	0.02 s	C#	2019-03-14 17:45:26

#	User	Runtime	Language	Date
1	Nathan Lee	0.00 s	Go	2025-09-25 01:01:34
2	Norbert Voelker	0.08 s	Go	2022-01-18 17:46:05

#	User	Runtime	Language	Date
1	Md Akif Chowdhury	0.00 s	Haskell	2023-07-04 20:59:50
2	Brent Yorgey	0.01 s	Haskell	2019-06-30 22:10:11

#	User	Runtime	Language	Date
1	Ranjith M	0.04 s	Java	2024-08-14 18:05:39
2	Andrew Li	0.04 s	Java	2024-10-20 14:36:26
3	Krish Jindal	0.04 s	Java	2025-10-03 15:12:02
4	Nick Wu	0.05 s	Java	2015-10-31 14:19:42
5	Jenny Liao	0.05 s	Java	2015-10-31 17:59:13
6	Hidden user	0.05 s	Java	2016-03-01 10:11:03
7	Terrence Park	0.05 s	Java	2016-04-01 18:52:56
8	Benjamin Laurence Erickson	0.05 s	Java	2016-10-08 17:56:04
9	Ariana Herbst	0.05 s	Java	2016-10-08 18:01:56
10	Jeffrey Xiao	0.05 s	Java	2016-10-08 18:28:43

#	User	Runtime	Language	Date
1	Gurpartap Singh Bhatti	0.05 s	JavaScript (Node.js)	2019-03-04 01:18:40

#	User	Runtime	Language	Date
1	Bjørn Chr. Soltvedt	0.01 s	JavaScript (SpiderMonkey)	2016-07-29 17:46:05
2	Peter Kedemo	0.01 s	JavaScript (SpiderMonkey)	2017-06-18 18:23:48

#	User	Runtime	Language	Date
1	Timothy Gaede	0.62 s	Julia	2024-07-30 13:19:03

#	User	Runtime	Language	Date
1	Jacob Huebner	0.14 s	Kotlin	2021-07-01 22:21:00
2	Nicholas Johnson	0.15 s	Kotlin	2021-06-30 02:56:40
3	Philip Lewander	0.20 s	Kotlin	2024-04-11 00:10:06

#	User	Runtime	Language	Date
1	Daniel Arghavani-Badrabad	0.00 s	Lua	2025-10-02 03:46:09

#	User	Runtime	Language	Date
1	Trevor Masters	0.02 s	Python 2	2015-11-02 18:38:59
2	Erik Odenman	0.02 s	Python 2	2016-01-08 00:59:01
3	Nathan Villanueva	0.02 s	Python 2	2017-02-03 23:52:51
4	Hidden user	0.03 s	Python 2	2015-11-08 19:50:02
5	Hans Rusten	0.03 s	Python 2	2015-11-25 12:06:33
6	Kasper Borys	0.03 s	Python 2	2016-10-09 09:12:33
7	Tudor Brindus	0.03 s	Python 2	2016-10-22 00:35:44
8	blue@macacm.org	0.03 s	Python 2	2016-10-25 22:37:53
9	Christofer Ohlsson	0.03 s	Python 2	2016-10-28 14:25:00
10	Zheng Dai	0.03 s	Python 2	2016-11-16 23:15:40

#	User	Runtime	Language	Date
1	Taiju Yamada	0.02 s	Python 3	2016-05-20 01:38:03
2	Fengyang Wang	0.02 s	Python 3	2016-10-08 19:34:11
3	Thomas Vu	0.02 s	Python 3	2016-10-08 20:27:03
4	Robert Nesmith	0.02 s	Python 3	2016-10-08 21:10:29
5	Nathaniel Lahn	0.02 s	Python 3	2016-10-08 21:54:32
6	Amir Kash	0.02 s	Python 3	2016-10-08 21:58:20
7	Godmar Back	0.02 s	Python 3	2016-10-09 02:57:10
8	Frederik Aarup Lauridsen	0.02 s	Python 3	2016-10-15 22:47:59
9	Eric Huynh	0.02 s	Python 3	2016-10-21 02:02:12
10	Brian Bauman	0.02 s	Python 3	2016-10-25 14:33:48

#	User	Runtime	Language	Date
1	Christofer Nolander	0.00 s	Rust	2019-10-20 21:19:24
2	Stephen Downward	0.00 s	Rust	2020-10-30 14:19:23
3	Daniel Anker Hermansen	0.00 s	Rust	2023-10-03 15:48:24

#	User	Length	Language	Date
1	Alex Gajewski	1410	C	2016-04-30 21:13:50
2	Juan Pablo Morales	1664	C	2025-05-03 22:20:18
3	Sheilla Kangwagye	1672	C	2022-10-30 19:33:33
4	Ivan Petrov	1751	C	2019-07-11 08:16:39
5	Jón Steinn Elíasson	1754	C	2017-06-24 18:49:20
6	Abd Ali	1754	C	2018-04-23 23:31:36
7	Dodi Vebri Wicahyo	1754	C	2018-05-05 16:55:39
8	Hidden user	1754	C	2019-10-29 20:47:25
9	Durron Baker	1754	C	2020-04-20 20:36:17
10	Hidden user	1754	C	2021-07-23 05:32:54

#	User	Length	Language	Date
1	Doug Goodman	1839	C#	2018-08-25 16:24:12
2	Michael Gulliksen	2611	C#	2019-03-14 17:45:26
3	Iwan	4372	C#	2016-12-06 13:25:59
4	Andriy Zyevakov	4540	C#	2016-03-16 10:01:14

#	User	Length	Language	Date
1	Zane Yu	715	C++	2018-12-23 08:43:53
2	Herman Karlsson	738	C++	2015-11-21 12:33:19
3	Teikn Smith	852	C++	2023-08-24 23:18:28
4	Thomas Li	890	C++	2021-04-11 23:29:14
5	Howard Cheng	937	C++	2021-07-27 16:04:28
6	Dhruv Patel	957	C++	2022-02-04 19:04:17
7	Jiang Yue	969	C++	2018-04-01 10:02:28
8	Giang Đào	974	C++	2018-09-30 03:18:20
9	Wang Zhi Jian	975	C++	2018-04-02 14:23:52
10	Tabris “Tabris05” O'Five	980	C++	2023-09-26 01:33:54

#	User	Length	Language	Date
1	Nathan Lee	1911	Go	2025-09-25 01:01:34
2	Norbert Voelker	6653	Go	2022-01-18 17:46:05

#	User	Length	Language	Date
1	Md Akif Chowdhury	1315	Haskell	2023-07-04 20:59:50
2	Brent Yorgey	1996	Haskell	2019-06-30 22:10:11

#	User	Length	Language	Date
1	Josh Hompoth	1078	Java	2015-11-04 02:27:45
2	Nathan Leake	1215	Java	2018-02-02 17:04:38
3	Mahmudul Hasan Mithun	1318	Java	2015-11-04 04:37:48
4	Geson Chong	1328	Java	2016-10-08 17:56:38
5	Doug Goodman	1344	Java	2017-10-21 17:40:57
6	Hidden user	1373	Java	2015-11-04 02:40:59
7	Seth Kirby	1379	Java	2015-11-02 17:08:27
8	Adam Fischer	1381	Java	2015-11-01 21:21:56
9	Alexandros Antonorsi	1383	Java	2019-10-16 04:32:14
10	Ashwin Chetty	1451	Java	2016-04-30 17:44:17

#	User	Length	Language	Date
1	Gurpartap Singh Bhatti	2004	JavaScript (Node.js)	2019-03-04 01:18:40

#	User	Length	Language	Date
1	Bjørn Chr. Soltvedt	673	JavaScript (SpiderMonkey)	2016-07-29 17:46:05
2	Peter Kedemo	936	JavaScript (SpiderMonkey)	2017-06-18 18:23:48

#	User	Length	Language	Date
1	Timothy Gaede	1314	Julia	2024-07-30 13:19:03

#	User	Length	Language	Date
1	Philip Lewander	1267	Kotlin	2024-04-11 00:10:06
2	Jacob Huebner	2075	Kotlin	2021-07-01 22:21:00
3	Nicholas Johnson	2903	Kotlin	2021-06-30 02:56:40

#	User	Length	Language	Date
1	Daniel Arghavani-Badrabad	3130	Lua	2025-10-02 03:46:09

#	User	Length	Language	Date
1	Christofer Ohlsson	652	Python 2	2016-10-28 14:25:00
2	Erik Odenman	784	Python 2	2016-01-08 00:59:01
3	Nathan Villanueva	825	Python 2	2017-02-03 23:52:51
4	Cole Bite	829	Python 2	2017-04-25 22:54:37
5	Daniel Strizhevsky	863	Python 2	2017-06-18 20:58:01
6	Tudor Brindus	873	Python 2	2016-10-22 00:35:44
7	Alex Meed	880	Python 2	2017-06-18 20:14:29
8	Tal Melamed	926	Python 2	2017-11-04 18:06:05
9	Michael Laszlo	935	Python 2	2017-01-03 20:13:29
10	Juliang Li	948	Python 2	2018-02-02 22:42:25

#	User	Length	Language	Date
1	Nicholas Russell Saerang	426	Python 3	2024-04-24 20:43:02
2	George Zhang	452	Python 3	2023-02-15 22:25:37
3	Asger Hautop Drewsen	479	Python 3	2017-09-21 09:10:38
4	Oskar Haarklou Veileborg	479	Python 3	2017-10-02 10:37:00
5	Christian Lindeström	493	Python 3	2016-10-29 21:54:52
6	Kelly Dance	497	Python 3	2023-06-24 12:37:55
7	Presley Graham	523	Python 3	2021-02-07 00:48:28
8	Elias Amha	529	Python 3	2021-07-01 22:08:01
9	Keshav Dharshan	582	Python 3	2025-02-11 01:35:24
10	Rax Canaan Layumas	621	Python 3	2019-04-22 14:48:39

#	User	Length	Language	Date
1	Stephen Downward	3390	Rust	2020-10-30 14:19:23
2	Christofer Nolander	4080	Rust	2019-10-20 21:19:24
3	Daniel Anker Hermansen	27319	Rust	2023-10-03 15:48:24

Solution running time distribution