Problem I
Falling Mugs — Problem Statistics

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Submissions	6946
Accepted submissions	1661
Submission ratio	23.91%
Authors	1560
Full solves [?]	1325
Full solve Ratio	84.94%

#	User	Runtime	Language	Date
1	Sjoerd Teunisse	0.02 s	C#	2018-10-10 18:09:02
2	Mike Garrett	0.02 s	C#	2019-02-18 20:46:42
3	Zane Johnson	0.03 s	C#	2022-09-13 00:19:18
4	Jonas S	0.04 s	C#	2015-08-23 23:41:52
5	Андрей Титов	0.04 s	C#	2016-02-05 09:54:04
6	Soujatya Sanyal	0.04 s	C#	2019-02-14 15:46:18
7	Nathan Andrews	0.05 s	C#	2024-10-25 22:45:35
8	Magnus Djurberg	0.05 s	C#	2024-11-22 13:37:04
9	Sandis Apenītis	0.05 s	C#	2024-11-22 15:43:37
10	Jaakko Honkaranta	0.05 s	C#	2024-11-22 16:08:52

#	User	Runtime	Language	Date
1	Patrick Bahr	0.04 s	F#	2021-02-28 13:58:19

#	User	Runtime	Language	Date
1	Khin Nyunt	0.00 s	Go	2023-09-14 15:55:01
2	Nathan Lee	0.00 s	Go	2025-10-08 23:35:44
3	Norbert Voelker	0.02 s	Go	2023-03-30 20:08:12
4	Iker Lissarrague	0.08 s	Go	2022-04-06 21:44:07

#	User	Runtime	Language	Date
1	David Wärn	0.00 s	Haskell	2015-04-25 17:18:10
2	Brent Yorgey	0.00 s	Haskell	2018-04-30 15:19:09
3	Eric Huynh	0.00 s	Haskell	2018-05-02 10:07:26
4	Nicholas Marsh	0.00 s	Haskell	2022-12-18 14:38:01
5	Andrew Mark Allen	0.01 s	Haskell	2017-03-02 21:32:13
6	Matthew Craven	0.01 s	Haskell	2019-10-14 17:13:42
7	Ryan Yates	0.01 s	Haskell	2019-10-23 21:09:45
8	Mathias Oliver Valdbjørn Jørgensen	0.03 s	Haskell	2021-02-26 18:30:50

#	User	Runtime	Language	Date
1	Guangyi Zhou	0.04 s	Java	2025-05-14 05:58:12
2	Viktor Lindberg	0.05 s	Java	2014-09-29 00:48:16
3	Love Engman	0.05 s	Java	2014-09-29 00:50:13
4	Simon Xue	0.05 s	Java	2016-04-09 08:52:27
5	Toe Pyae Sone Oo	0.05 s	Java	2016-11-16 07:13:54
6	Micah Stairs	0.05 s	Java	2016-12-21 16:09:15
7	Lizhong Wang	0.05 s	Java	2018-04-12 21:27:23
8	Shakeel Samsudeen	0.05 s	Java	2018-11-19 19:22:32
9	Sven Rönnbäck	0.05 s	Java	2024-06-21 00:21:04
10	Jimmy Mårdell	0.06 s	Java	2014-04-13 11:12:22

#	User	Runtime	Language	Date
1	Oliver Bredenberg	0.41 s	JavaScript (Node.js)	2019-09-02 17:19:33
2	Khin Nyunt	0.42 s	JavaScript (Node.js)	2021-10-03 11:31:05

#	User	Runtime	Language	Date
1	Bjørn Chr. Soltvedt	0.01 s	JavaScript (SpiderMonkey)	2016-08-09 12:22:55
2	Tor Skude	0.03 s	JavaScript (SpiderMonkey)	2019-06-03 09:29:04
3	Nguyễn Mạnh Phúc	0.04 s	JavaScript (SpiderMonkey)	2018-09-01 17:39:22
4	Christian Pilegaard Cederquist	0.09 s	JavaScript (SpiderMonkey)	2023-07-05 17:31:46

#	User	Runtime	Language	Date
1	Timothy Gaede	0.57 s	Julia	2024-04-24 10:55:04

#	User	Runtime	Language	Date
1	Johnny Baloney	0.12 s	Kotlin	2022-03-01 17:21:31
2	Adam Rankin	0.16 s	Kotlin	2023-09-18 06:18:57
3	Hidden user	0.19 s	Kotlin	2019-11-05 22:21:15
4	Jacob Huebner	0.21 s	Kotlin	2020-02-25 05:17:41
5	Phường Lên	0.23 s	Kotlin	2019-11-04 17:33:50

#	User	Runtime	Language	Date
1	Caleb Austin	0.70 s	Lua	2024-10-25 23:15:29

#	User	Runtime	Language	Date
1	Mgh Et	0.01 s	PHP	2015-10-16 21:20:12
2	Susanne Ragnemalm	0.02 s	PHP	2018-04-27 21:49:43

#	User	Runtime	Language	Date
1	Andriy Zyevakov	0.02 s	Prolog	2024-11-12 07:51:57

#	User	Runtime	Language	Date
1	Thomas Dybdahl Ahle	0.02 s	Python 2	2014-09-27 12:57:12
2	Tore Norderud	0.02 s	Python 2	2014-12-18 22:04:43
3	Marko Lazic	0.02 s	Python 2	2016-07-30 17:01:19
4	Hermon Mulat	0.02 s	Python 2	2016-12-18 01:20:58
5	Uyen Vo	0.02 s	Python 2	2018-02-10 06:23:45
6	Hidden user	0.03 s	Python 2	2014-04-13 19:38:40
7	Hidden user	0.03 s	Python 2	2014-04-13 22:25:10
8	Gustaf Waldemarson	0.03 s	Python 2	2014-09-23 17:47:01
9	Hidden user	0.03 s	Python 2	2015-02-15 21:35:09
10	Team Baud	0.03 s	Python 2	2015-04-16 09:29:04

#	User	Runtime	Language	Date
1	Erik Bjäreholt	0.02 s	Python 3	2014-09-27 14:04:27
2	Oscar Lindvall	0.02 s	Python 3	2015-10-09 23:28:58
3	Jeremy Tuloup	0.02 s	Python 3	2016-09-07 01:21:09
4	Vahagn Altunyan	0.02 s	Python 3	2017-04-24 16:29:29
5	Hidden user	0.02 s	Python 3	2017-08-08 09:39:41
6	Michelle Sweering	0.02 s	Python 3	2018-01-04 17:25:43
7	Abhi Gupta	0.02 s	Python 3	2018-01-15 21:11:55
8	Hidden user	0.02 s	Python 3	2018-02-12 04:20:02
9	Cheng Hang	0.02 s	Python 3	2018-03-18 08:29:23
10	Joseph Campbell	0.02 s	Python 3	2018-04-05 14:46:03

#	User	Runtime	Language	Date
1	Hidden user	0.04 s	Ruby	2019-02-25 15:42:30
2	Thomas Feld	0.06 s	Ruby	2023-02-20 15:06:19
3	Hidden user	0.14 s	Ruby	2018-03-21 14:31:08
4	Jason Zareski	0.14 s	Ruby	2018-03-21 14:31:47

#	User	Runtime	Language	Date
1	Zane Johnson	0.00 s	Rust	2022-09-14 18:41:07
2	Artur Khuziakhmetov	0.00 s	Rust	2023-06-03 11:50:56
3	Vincent Lagerros	0.00 s	Rust	2024-11-25 14:49:31
4	Mckinley Xie	0.00 s	Rust	2025-02-21 22:10:39
5	Klas af Geijerstam	0.01 s	Rust	2020-10-14 16:13:03

#	User	Runtime	Language	Date
1	Mahan vr	0.05 s	TypeScript	2024-11-22 18:27:58
2	Hidden user	0.06 s	TypeScript	2024-11-22 16:01:11

#	User	Length	Language	Date
1	Ivan Petrov	242	C	2019-07-03 09:32:08
2	Hidden user	285	C	2018-02-12 04:27:05
3	Jakob Bergendahl	286	C	2015-04-22 15:29:44
4	Dan Rubery	301	C	2015-04-25 01:55:45
5	Othmane Mahfoud	306	C	2016-09-14 22:23:05
6	Hidden user	319	C	2014-09-27 12:09:27
7	Steven Jiang	371	C	2018-02-18 21:35:29
8	Ruben Spaans	376	C	2014-09-27 13:59:54
9	Hidden user	383	C	2014-04-13 11:57:03
10	Huynh Duc	387	C	2016-04-21 18:06:35

#	User	Length	Language	Date
1	Deimantas Eidukevicius	370	C#	2025-10-02 19:06:47
2	Nathan Andrews	416	C#	2024-10-25 22:45:35
3	Jaakko Honkaranta	661	C#	2024-11-22 16:08:52
4	Mike Garrett	719	C#	2019-02-18 21:01:03
5	Magnus Djurberg	720	C#	2024-11-22 13:37:04
6	Nuno Santos	768	C#	2024-11-22 17:15:08
7	Zane Johnson	786	C#	2022-09-13 00:19:18
8	Adomas Sutkevičius	811	C#	2024-11-22 18:00:57
9	Oskar Anderstål	891	C#	2024-11-22 16:12:47
10	Deimantas Eidukevičius	972	C#	2024-11-22 16:28:31

#	User	Length	Language	Date
1	a_b__c	187	C++	2021-03-02 08:39:45
2	Way Tan	199	C++	2018-12-06 15:53:00
3	Johan Wind	221	C++	2014-10-01 19:34:07
4	Syx Pek	227	C++	2016-02-05 14:12:54
5	Chuck Fernández	229	C++	2016-11-25 22:22:15
6	Tim Brouwer	243	C++	2015-10-16 17:25:05
7	Tianfang Zhang	247	C++	2015-08-09 14:40:55
8	Hoàng Phạm	248	C++	2016-04-20 11:21:59
9	Chase Hinesman	253	C++	2018-02-12 22:21:05
10	Qing Hao Chu	254	C++	2017-12-27 20:47:21

#	User	Length	Language	Date
1	Patrick Bahr	2043	F#	2021-02-28 13:58:19

#	User	Length	Language	Date
1	Norbert Voelker	353	Go	2023-03-30 20:08:12
2	Iker Lissarrague	794	Go	2022-04-06 21:44:07
3	Khin Nyunt	842	Go	2023-09-14 15:55:01
4	Nathan Lee	1017	Go	2025-10-08 23:35:44

#	User	Length	Language	Date
1	David Wärn	191	Haskell	2015-04-25 17:18:10
2	Ryan Yates	402	Haskell	2019-10-23 21:09:45
3	Brent Yorgey	458	Haskell	2018-04-30 15:19:09
4	Nicholas Marsh	551	Haskell	2022-12-18 14:38:01
5	Mathias Oliver Valdbjørn Jørgensen	644	Haskell	2021-02-26 18:30:50
6	Eric Huynh	849	Haskell	2018-05-02 10:07:26
7	Andrew Mark Allen	913	Haskell	2017-03-02 21:32:13
8	Matthew Craven	972	Haskell	2019-10-14 17:13:42

#	User	Length	Language	Date
1	Mouhssine Assaoud	391	Java	2017-10-20 00:10:30
2	Orio Wu	414	Java	2015-10-16 17:49:06
3	Markus Schott	427	Java	2024-02-07 18:30:33
4	Doug Goodman	438	Java	2017-11-20 17:46:43
5	Austin Lam	442	Java	2018-03-23 21:12:01
6	Roland Haase	464	Java	2016-08-05 10:41:11
7	Jamie Kihira	467	Java	2018-02-23 10:02:10
8	Michael Liu	468	Java	2018-06-17 09:01:10
9	Christian Fuller	471	Java	2018-03-21 18:21:48
10	Michael VT	485	Java	2024-02-07 19:09:52

#	User	Length	Language	Date
1	Oliver Bredenberg	619	JavaScript (Node.js)	2019-09-02 17:27:01
2	Khin Nyunt	871	JavaScript (Node.js)	2021-11-14 15:44:09

#	User	Length	Language	Date
1	Nguyễn Mạnh Phúc	261	JavaScript (SpiderMonkey)	2018-09-01 17:39:22
2	Bjørn Chr. Soltvedt	338	JavaScript (SpiderMonkey)	2016-08-09 12:22:55
3	Christian Pilegaard Cederquist	371	JavaScript (SpiderMonkey)	2023-07-05 17:31:46
4	Tor Skude	398	JavaScript (SpiderMonkey)	2019-06-03 09:32:49

#	User	Length	Language	Date
1	Timothy Gaede	592	Julia	2024-04-24 10:55:04

#	User	Length	Language	Date
1	Adam Rankin	270	Kotlin	2023-09-18 06:18:57
2	Hidden user	277	Kotlin	2019-11-05 22:21:15
3	Jacob Huebner	440	Kotlin	2020-02-25 05:20:43
4	Phường Lên	612	Kotlin	2019-11-04 17:33:50
5	Johnny Baloney	824	Kotlin	2022-03-01 17:21:31

#	User	Length	Language	Date
1	Caleb Austin	505	Lua	2024-10-25 23:15:29

#	User	Length	Language	Date
1	Mgh Et	280	PHP	2015-10-16 21:20:12
2	Susanne Ragnemalm	497	PHP	2018-04-27 21:49:43

#	User	Length	Language	Date
1	Andriy Zyevakov	3231	Prolog	2024-11-12 07:51:57

#	User	Length	Language	Date
1	Lars Åström	99	Python 2	2019-06-02 22:12:03
2	Johan Lyts	142	Python 2	2020-01-27 21:02:14
3	Yanmarshus Bachtiar	194	Python 2	2020-12-01 14:15:21
4	Uyen Vo	207	Python 2	2018-02-10 06:23:45
5	Eoin Davey	213	Python 2	2017-09-16 23:45:26
6	Demi Lovatics	227	Python 2	2020-10-25 22:11:48
7	Asger Hautop Drewsen	261	Python 2	2018-11-16 12:17:17
8	Andreas Björklund	277	Python 2	2019-03-24 15:26:02
9	Thomas Feld	278	Python 2	2020-06-22 22:58:00
10	Peter Beattie	279	Python 2	2018-03-19 22:22:11

#	User	Length	Language	Date
1	Måns Magnusson	113	Python 3	2024-11-21 11:06:46
2	Peter Stauder	120	Python 3	2023-08-05 20:13:09
3	Yuenching Shao	122	Python 3	2021-10-11 02:48:03
4	Lee Isaac	122	Python 3	2023-01-23 22:20:59
5	Abhi Gupta	132	Python 3	2018-01-15 21:11:55
6	Teikn Smith	133	Python 3	2022-06-23 00:33:51
7	Yong Mao	138	Python 3	2022-10-23 22:56:58
8	Mees de Vries	141	Python 3	2019-05-16 11:52:49
9	Raymond van Venetie	141	Python 3	2019-05-21 11:10:18
10	Noah Hessen Bjerke	142	Python 3	2023-01-03 23:24:49

#	User	Length	Language	Date
1	Thomas Feld	86	Ruby	2025-08-26 13:11:21
2	Hidden user	184	Ruby	2019-02-25 15:42:30
3	Hidden user	315	Ruby	2018-03-21 14:31:08
4	Jason Zareski	315	Ruby	2018-03-21 14:31:47

#	User	Length	Language	Date
1	Vincent Lagerros	451	Rust	2024-11-25 14:49:31
2	Zane Johnson	599	Rust	2022-09-14 18:41:07
3	Artur Khuziakhmetov	730	Rust	2023-06-03 11:50:56
4	Mckinley Xie	1160	Rust	2025-02-21 22:10:39
5	Klas af Geijerstam	6255	Rust	2020-10-14 16:13:03

#	User	Length	Language	Date
1	Mahan vr	720	TypeScript	2024-11-22 18:27:58
2	Hidden user	1503	TypeScript	2024-11-22 16:01:11

Solution running time distribution