Problem H
Qanat — Problem Statistics

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Submissions	509
Accepted submissions	299
Submission ratio	58.74%
Authors	271
Full solves [?]	234
Full solve Ratio	86.35%

#	User	Runtime	Language	Date
1	Yao Guan	0.00 s	C	2015-06-12 22:10:13
2	Luis Alves	0.00 s	C	2015-09-17 20:20:59
3	Hidden user	0.00 s	C	2017-03-25 05:51:15
4	Andrew Roberts	0.00 s	C	2017-08-17 07:57:44
5	Ivan Petrov	0.00 s	C	2020-01-07 08:24:11
6	Jón Steinn Elíasson	0.00 s	C	2020-05-10 03:14:26
7	Pop Iuliu	0.00 s	C	2025-12-28 22:48:06

#	User	Runtime	Language	Date
1	Dmitry Mikhaylov	0.02 s	C#	2017-06-12 01:31:59

#	User	Runtime	Language	Date
1	Norbert Voelker	0.08 s	Go	2021-06-15 00:42:17

#	User	Runtime	Language	Date
1	Victor Ähdel	0.00 s	Haskell	2016-11-01 17:16:13
2	Brent Yorgey	0.01 s	Haskell	2017-10-28 20:53:36
3	Ethan Partidas	0.01 s	Haskell	2018-12-08 21:23:40

#	User	Runtime	Language	Date
1	Dennis Ang	0.05 s	Java	2015-09-27 16:14:45
2	Mark Sturtevant	0.06 s	Java	2023-09-14 09:07:23
3	Ivan Metelsky	0.07 s	Java	2015-05-24 04:59:01
4	Melanie Kirsche	0.07 s	Java	2015-06-01 08:09:44
5	Michael Cappe	0.07 s	Java	2015-07-29 00:37:46
6	Paul Boddington	0.07 s	Java	2016-04-27 01:38:51
7	Evan Dorundo	0.07 s	Java	2016-05-01 18:06:51
8	Frank Ruskey	0.08 s	Java	2017-05-17 19:29:42
9	Derek Goodwin	0.08 s	Java	2018-04-17 22:26:56
10	Arup Ratan Guha	0.09 s	Java	2015-05-22 20:59:46

#	User	Runtime	Language	Date
1	Adam Rankin	0.89 s	Kotlin	2023-09-02 16:44:04

#	User	Runtime	Language	Date
1	Godmar Back	0.03 s	Python 2	2015-05-30 03:31:12
2	Lan Truong	0.03 s	Python 2	2016-04-11 16:13:31
3	Kees van Rooijen	0.03 s	Python 2	2016-12-12 12:21:17
4	Çağdaş Öztekin	0.03 s	Python 2	2017-09-05 16:53:47
5	Aditya Parulekar	0.03 s	Python 2	2018-06-01 03:27:15
6	Hatim Naqos	0.03 s	Python 2	2018-09-25 17:30:35
7	Jesper Öqvist	0.05 s	Python 2	2018-10-24 21:12:42
8	Johan Lyts	0.05 s	Python 2	2020-06-23 15:13:48

#	User	Runtime	Language	Date
1	Philip Ritchey	0.02 s	Python 3	2017-01-14 16:56:21
2	Alexey Kaurov	0.02 s	Python 3	2018-07-19 15:09:56
3	Alexei Fedotov	0.02 s	Python 3	2018-08-24 18:30:28
4	Hatim Naqos	0.02 s	Python 3	2018-09-25 02:00:33
5	Vedran Čačić	0.02 s	Python 3	2019-03-14 16:05:01
6	Domen Blenkuš	0.04 s	Python 3	2015-08-13 23:51:29
7	Lili Drčar	0.04 s	Python 3	2015-08-23 21:10:59
8	Rubiocai Programador	0.04 s	Python 3	2024-11-22 08:52:04
9	Hidden user	0.04 s	Python 3	2024-12-23 18:11:46
10	Roberto Najera	0.04 s	Python 3	2025-05-12 20:02:27

#	User	Runtime	Language	Date
1	Thomas Feld	0.06 s	Ruby	2023-07-04 13:27:13

#	User	Runtime	Language	Date
1	Bas Dirks	0.00 s	Rust	2024-01-15 18:18:17

#	User	Length	Language	Date
1	Yao Guan	611	C	2015-06-12 22:10:13
2	Hidden user	806	C	2017-03-25 05:59:03
3	Ivan Petrov	1003	C	2020-01-07 08:24:11
4	Pop Iuliu	1140	C	2025-12-28 22:48:06
5	Jón Steinn Elíasson	1218	C	2020-05-10 03:14:26
6	Luis Alves	1228	C	2015-09-17 20:20:59
7	Andrew Roberts	1663	C	2017-08-17 07:57:44

#	User	Length	Language	Date
1	Dmitry Mikhaylov	2434	C#	2017-06-12 01:31:59

#	User	Length	Language	Date
1	Alexander Kravberg	339	C++	2023-01-21 03:52:23
2	Dominik Cirillo	438	C++	2022-09-27 14:13:47
3	Myungwoo Chun	509	C++	2015-05-22 18:32:59
4	Seunghyun Joe	526	C++	2016-05-23 07:41:12
5	Tetsuro Tanaka	530	C++	2015-05-22 12:01:31
6	Evan Michael Bailey	534	C++	2024-05-07 01:21:31
7	Hidden user	544	C++	2015-11-26 19:33:22
8	Johan Wind	547	C++	2018-04-27 17:01:33
9	Hidden user	554	C++	2015-05-20 16:25:07
10	Blue Mary	590	C++	2015-06-02 14:54:01

#	User	Length	Language	Date
1	Norbert Voelker	3568	Go	2021-06-15 00:42:17

#	User	Length	Language	Date
1	Ethan Partidas	799	Haskell	2018-12-09 02:08:02
2	Victor Ähdel	1171	Haskell	2016-11-01 17:16:13
3	Brent Yorgey	4305	Haskell	2017-10-28 20:53:36

#	User	Length	Language	Date
1	Michael Cappe	1147	Java	2015-07-29 00:37:46
2	Josenildo Silva	1272	Java	2021-06-12 14:15:52
3	Paul Boddington	1277	Java	2016-04-27 02:25:19
4	Ivan Metelsky	1339	Java	2015-05-24 04:59:01
5	Kalen Kim	1435	Java	2021-05-21 21:16:10
6	Frank Ruskey	1579	Java	2017-05-17 19:29:42
7	Dennis Ang	1599	Java	2015-09-27 16:14:45
8	Evan Dorundo	1741	Java	2016-05-01 18:06:51
9	Nikhil Vytla	1982	Java	2018-09-11 01:16:54
10	Boris Borovski	2103	Java	2018-07-17 14:15:04

#	User	Length	Language	Date
1	Adam Rankin	1637	Kotlin	2023-09-02 16:44:04

#	User	Length	Language	Date
1	Lan Truong	587	Python 2	2016-04-11 16:13:31
2	Çağdaş Öztekin	641	Python 2	2017-09-05 16:53:47
3	Aditya Parulekar	718	Python 2	2018-06-01 03:27:15
4	Kees van Rooijen	834	Python 2	2016-12-12 12:21:17
5	Hatim Naqos	990	Python 2	2018-09-25 17:30:35
6	Johan Lyts	996	Python 2	2020-06-23 15:13:48
7	Godmar Back	1071	Python 2	2015-05-30 03:31:12
8	Jesper Öqvist	1100	Python 2	2018-10-24 21:12:42

#	User	Length	Language	Date
1	Yong Mao	237	Python 3	2023-06-01 04:32:43
2	Alexey Kaurov	353	Python 3	2018-07-19 15:09:56
3	Hrant Hovhannisyan	425	Python 3	2026-02-19 05:34:32
4	Alexei Fedotov	430	Python 3	2018-08-24 18:30:28
5	Bjørn Dons	463	Python 3	2022-05-22 18:57:23
6	Domen Blenkuš	482	Python 3	2015-08-23 21:06:50
7	Lili Drčar	482	Python 3	2015-08-23 21:10:59
8	Vedran Čačić	493	Python 3	2019-03-14 16:05:01
9	Roberto Najera	499	Python 3	2025-05-12 20:02:27
10	Dilhan Salgado	508	Python 3	2024-07-15 22:40:25

#	User	Length	Language	Date
1	Thomas Feld	152	Ruby	2023-07-04 14:01:19

#	User	Length	Language	Date
1	Bas Dirks	1065	Rust	2024-01-15 18:18:17

Solution running time distribution