Problem A
Umm Code — Problem Statistics

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Submissions	1864
Accepted submissions	627
Submission ratio	33.64%
Authors	568
Full solves [?]	476
Full solve Ratio	83.80%

#	User	Runtime	Language	Date
1	Danny Robinson	0.86 s	Bash	2023-10-17 07:50:54

#	User	Runtime	Language	Date
1	Bergur Snorrason	0.01 s	C	2019-11-04 16:33:07
2	Sambit Palit	0.01 s	C	2020-11-24 20:24:04
3	Hayden Walker	0.01 s	C	2023-06-01 18:57:19
4	Ivan Petrov	0.02 s	C	2020-02-06 14:33:20
5	Nathan Agius	0.02 s	C	2023-04-29 16:22:24

#	User	Runtime	Language	Date
1	Henrik Hallbert	0.07 s	C#	2019-11-04 22:13:41
2	Joshua Jacoby	0.08 s	C#	2020-04-05 02:18:35
3	Deci Bel	0.10 s	C#	2025-02-15 18:31:09

#	User	Runtime	Language	Date
1	Emily R	0.01 s	C++	2019-11-02 18:52:59
2	Ziyi Zhang	0.01 s	C++	2019-11-02 18:54:25
3	Matthew Craven	0.01 s	C++	2019-11-02 19:02:47
4	Nick Wu	0.01 s	C++	2019-11-02 19:44:19
5	Rawin Deeboonchai	0.01 s	C++	2019-11-02 19:59:38
6	Yufan Huang	0.01 s	C++	2019-11-02 20:14:25
7	Tanner Hoke	0.01 s	C++	2019-11-08 02:52:56
8	Tomas Lagland	0.01 s	C++	2019-11-22 14:51:37
9	Viraj Maddur	0.01 s	C++	2019-12-06 21:51:59
10	Peter Bifone Jr.	0.01 s	C++	2020-02-05 15:39:05

#	User	Runtime	Language	Date
1	Diamond	0.05 s	Go	2023-01-28 02:43:55
2	Norbert Voelker	0.09 s	Go	2022-01-02 15:01:08

#	User	Runtime	Language	Date
1	Joshua Coward	0.06 s	Haskell	2022-01-02 21:50:08
2	Mason Barnhill	0.08 s	Haskell	2023-07-23 06:24:13
3	Md Akif Chowdhury	0.10 s	Haskell	2023-07-08 09:21:34
4	Steinar Simonnes	0.11 s	Haskell	2025-06-27 15:48:12

#	User	Runtime	Language	Date
1	Hidden user	0.09 s	Java	2022-01-11 15:28:01
2	Julien Marcuse	0.09 s	Java	2022-02-01 05:33:36
3	Hayden Walker	0.11 s	Java	2023-06-01 19:14:12
4	Duane Littleton	0.12 s	Java	2020-02-25 20:30:41
5	Yibo Huang	0.17 s	Java	2021-02-20 19:53:50
6	Yusuf Kharoda	0.20 s	Java	2020-06-28 13:15:54
7	Bjørn Dons	0.22 s	Java	2019-11-17 20:22:36
8	Mufaddal Naya	0.23 s	Java	2020-06-28 13:47:43
9	Calum Bird	0.24 s	Java	2020-01-24 02:40:38
10	Liam Keliher	0.25 s	Java	2020-01-17 02:53:24

#	User	Runtime	Language	Date
1	Peter Kedemo	0.58 s	JavaScript (Node.js)	2019-12-30 19:45:31

#	User	Runtime	Language	Date
1	Bjørn Chr. Soltvedt	0.06 s	JavaScript (SpiderMonkey)	2019-11-11 01:15:06
2	Christian Pilegaard Cederquist	0.10 s	JavaScript (SpiderMonkey)	2023-06-23 01:24:40
3	Zach Tschetter	0.13 s	JavaScript (SpiderMonkey)	2023-06-18 05:29:18

#	User	Runtime	Language	Date
1	Timothy Gaede	0.79 s	Julia	2024-06-22 03:54:15

#	User	Runtime	Language	Date
1	Jacob Huebner	0.32 s	Kotlin	2020-03-05 03:07:30

#	User	Runtime	Language	Date
1	Thomas Feld	0.07 s	Python 2	2020-01-07 16:41:47
2	Jonatan Nilsson	0.13 s	Python 2	2019-11-12 08:28:06
3	Björn Magnusson	0.13 s	Python 2	2019-11-12 12:17:45
4	Lars Åström	0.13 s	Python 2	2019-11-12 12:58:03
5	David Horne	0.14 s	Python 2	2022-01-16 19:32:55
6	Yanmarshus Bachtiar	0.15 s	Python 2	2020-09-20 06:46:45
7	Oskar Haarklou Veileborg	0.26 s	Python 2	2020-01-09 20:49:39
8	Johan Lyts	2.39 s	Python 2	2019-11-12 14:24:10
9	Cassie Quach	2.39 s	Python 2	2020-10-01 05:02:21
10	Shaik Ashmil Ahamed	2.65 s	Python 2	2019-11-19 01:51:13

#	User	Runtime	Language	Date
1	Mikael Fiala-Lundström	0.08 s	Python 3	2022-09-15 00:51:59
2	Ram Basnet	0.10 s	Python 3	2019-11-04 05:48:22
3	Ian DeHaan	0.10 s	Python 3	2020-05-20 14:53:54
4	Logan Pipes	0.10 s	Python 3	2023-06-01 02:04:52
5	Dun Ma	0.11 s	Python 3	2022-02-25 04:50:42
6	Kefiyalew Kunta	0.11 s	Python 3	2022-09-27 19:56:58
7	Malo	0.11 s	Python 3	2023-12-20 00:05:04
8	Armand Ledoux	0.11 s	Python 3	2023-12-20 20:48:12
9	Ahmed Chamseddine	0.11 s	Python 3	2024-05-17 19:14:29
10	Sam Hu	0.11 s	Python 3	2024-09-22 21:01:03

#	User	Runtime	Language	Date
1	Thomas Feld	0.15 s	Ruby	2023-02-28 14:14:29
2	Hidden user	0.20 s	Ruby	2019-11-17 20:09:45

#	User	Runtime	Language	Date
1	Vincent Lagerros	0.00 s	Rust	2024-10-02 18:38:09
2	Klas af Geijerstam	0.01 s	Rust	2020-10-08 19:07:09
3	David Rasch	0.02 s	Rust	2020-10-07 12:22:10
4	Bas Dirks	0.02 s	Rust	2022-02-04 12:11:14

#	User	Length	Language	Date
1	Danny Robinson	103	Bash	2023-10-17 07:50:54

#	User	Length	Language	Date
1	Nathan Agius	922	C	2023-04-29 20:15:27
2	Hayden Walker	1178	C	2023-06-01 18:57:19
3	Sambit Palit	1213	C	2020-11-24 20:24:04
4	Ivan Petrov	1288	C	2020-02-06 14:33:20
5	Bergur Snorrason	1968	C	2019-11-04 16:33:07

#	User	Length	Language	Date
1	Henrik Hallbert	1575	C#	2019-11-04 22:13:41
2	Deci Bel	1741	C#	2025-02-15 18:31:09
3	Joshua Jacoby	2202	C#	2020-04-05 02:18:35

#	User	Length	Language	Date
1	Josenildo Silva	463	C++	2020-05-02 03:19:05
2	Scott MacIntosh	529	C++	2020-05-23 18:11:33
3	Cameron Custer	533	C++	2023-01-29 03:52:22
4	Ernest Ng Zi Xuan	549	C++	2024-06-15 18:14:42
5	Markus Mathiasen	581	C++	2021-11-20 16:56:08
6	Michael Pfeifer	591	C++	2019-11-02 19:07:48
7	Prodan Radu-Matei	606	C++	2023-09-28 18:16:35
8	Dmitry Lyubshin	610	C++	2023-04-02 13:14:23
9	Akksharvan Senthilkumar	648	C++	2024-02-01 00:52:16
10	Teikn Smith	663	C++	2024-03-12 14:43:32

#	User	Length	Language	Date
1	Diamond	1062	Go	2023-01-28 02:43:55
2	Norbert Voelker	1099	Go	2022-01-02 15:05:53

#	User	Length	Language	Date
1	Joshua Coward	487	Haskell	2022-01-02 21:50:08
2	Mason Barnhill	518	Haskell	2023-07-23 06:24:13
3	Md Akif Chowdhury	545	Haskell	2023-07-08 09:21:34
4	Steinar Simonnes	952	Haskell	2025-06-27 15:48:12

#	User	Length	Language	Date
1	Brendan King	807	Java	2020-07-31 21:36:59
2	Theodoric Keith Lim	809	Java	2020-07-21 04:16:39
3	Hidden user	853	Java	2019-11-03 01:12:48
4	Joey Woodson	861	Java	2019-11-16 18:30:18
5	Andrew Lien	865	Java	2019-11-02 20:11:56
6	Syed AbuTalib	886	Java	2020-03-27 23:22:30
7	Suyan Qu	901	Java	2019-11-02 20:05:53
8	Julien Marcuse	954	Java	2022-02-01 05:33:36
9	Darrin Wiley	996	Java	2019-11-05 23:52:47
10	Doug Goodman	1063	Java	2019-12-09 20:52:52

#	User	Length	Language	Date
1	Peter Kedemo	493	JavaScript (Node.js)	2019-12-30 19:45:31

#	User	Length	Language	Date
1	Bjørn Chr. Soltvedt	513	JavaScript (SpiderMonkey)	2019-11-11 01:15:06
2	Zach Tschetter	571	JavaScript (SpiderMonkey)	2023-06-18 05:29:18
3	Christian Pilegaard Cederquist	603	JavaScript (SpiderMonkey)	2023-06-23 01:24:40

#	User	Length	Language	Date
1	Timothy Gaede	1149	Julia	2024-06-22 03:54:15

#	User	Length	Language	Date
1	Jacob Huebner	1057	Kotlin	2020-03-05 03:07:30

#	User	Length	Language	Date
1	Thomas Feld	246	Python 2	2020-01-07 16:40:35
2	Oskar Haarklou Veileborg	470	Python 2	2020-01-09 20:49:39
3	Jonatan Nilsson	525	Python 2	2019-11-12 08:28:06
4	Björn Magnusson	525	Python 2	2019-11-12 12:17:45
5	Lars Åström	525	Python 2	2019-11-12 12:58:03
6	David Horne	551	Python 2	2022-01-16 19:32:55
7	Johan Lyts	646	Python 2	2019-11-09 22:09:38
8	Yanmarshus Bachtiar	724	Python 2	2020-09-20 06:46:45
9	Cassie Quach	806	Python 2	2020-10-01 05:02:21
10	Shaik Ashmil Ahamed	1180	Python 2	2019-11-19 01:51:13

#	User	Length	Language	Date
1	Michael Goldwasser	194	Python 3	2024-03-12 18:22:09
2	Malo	196	Python 3	2023-12-20 00:26:18
3	David Aldenbro	214	Python 3	2025-10-26 19:35:54
4	Ahmed Chamseddine	216	Python 3	2024-05-17 19:16:05
5	Christofer Ohlsson	244	Python 3	2022-10-09 12:00:37
6	June Hoop	250	Python 3	2024-08-19 10:47:56
7	Alexandre Douard	277	Python 3	2023-10-11 14:14:57
8	Tate Song	303	Python 3	2019-12-08 04:59:50
9	Caeden Whitaker	314	Python 3	2020-11-10 08:26:10
10	Yohannes Melese	318	Python 3	2021-07-03 13:35:48

#	User	Length	Language	Date
1	Thomas Feld	81	Ruby	2023-02-28 14:14:29
2	Hidden user	138	Ruby	2019-11-17 20:18:40

#	User	Length	Language	Date
1	David Rasch	731	Rust	2020-10-07 12:22:10
2	Bas Dirks	1266	Rust	2022-02-04 12:16:18
3	Klas af Geijerstam	6409	Rust	2020-10-08 19:07:09
4	Vincent Lagerros	6735	Rust	2024-10-02 18:36:29

Solution running time distribution