Problem I
Coloring Graphs — Problem Statistics

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Submissions	4751
Accepted submissions	954
Submission ratio	20.08%
Authors	741
Full solves [?]	537
Full solve Ratio	72.47%

#	User	Runtime	Language	Date
1	Svein Høgemo	0.00 s	C	2018-04-20 18:19:30
2	Ivan Petrov	0.00 s	C	2019-11-22 14:21:52
3	Raymond Yang	0.00 s	C	2021-10-16 22:59:57
4	Mirel Cosulschi	0.14 s	C	2024-10-17 23:27:18
5	Ioannis Br	0.16 s	C	2020-07-03 04:05:26
6	Conor McGovern	0.30 s	C	2019-02-13 22:56:52
7	Peter Lee	0.47 s	C	2017-09-28 02:16:47

#	User	Runtime	Language	Date
1	Fredrik Absalonsen	0.02 s	C#	2018-04-21 13:21:00
2	Edvin Mako	0.03 s	C#	2020-04-04 17:12:33
3	Joop van der Heiden	0.08 s	C#	2023-10-14 23:27:22

#	User	Runtime	Language	Date
1	Muhammad Rais Fathin Mudzakir	0.02 s	Common Lisp	2019-04-14 17:49:18

#	User	Runtime	Language	Date
1	Chen Huo	0.05 s	Haskell	2024-10-29 18:44:54
2	Stian	0.82 s	Haskell	2020-03-19 14:56:07

#	User	Runtime	Language	Date
1	Collin Jakubik	0.04 s	Java	2024-08-23 02:50:02
2	Nick Wu	0.05 s	Java	2016-08-09 01:35:00
3	Mouhssine Assaoud	0.05 s	Java	2017-04-30 19:40:40
4	Xingfang Yuan	0.05 s	Java	2017-05-21 07:19:31
5	Jamie Kihira	0.05 s	Java	2018-03-26 21:09:57
6	André Berge	0.06 s	Java	2018-04-06 16:42:03
7	Steffen Sande	0.06 s	Java	2018-06-01 01:08:42
8	David Brink	0.06 s	Java	2018-09-10 16:24:19
9	Beckham Lam	0.06 s	Java	2018-11-17 00:45:12
10	Crystal Sharpe	0.06 s	Java	2020-07-13 16:28:33

#	User	Runtime	Language	Date
1	Christian Pilegaard Cederquist	0.36 s	JavaScript (SpiderMonkey)	2023-11-08 09:08:51

#	User	Runtime	Language	Date
1	Sondre Nilsen	0.33 s	Kotlin	2021-04-13 15:04:43
2	Jonas Hielscher	0.36 s	Kotlin	2018-04-18 23:57:38
3	Ditlef Alexander Diseth	0.41 s	Kotlin	2020-03-18 10:51:36

#	User	Runtime	Language	Date
1	Matzuka	0.03 s	Python 2	2021-02-17 19:43:41
2	Hidden user	0.04 s	Python 2	2016-07-12 16:55:53
3	Øyvind Haarberg	0.04 s	Python 2	2017-12-03 17:41:48
4	Lars Åström	0.05 s	Python 2	2019-04-18 11:57:03
5	Andreas Björklund	0.05 s	Python 2	2019-12-16 19:22:48
6	Hidden user	0.06 s	Python 2	2020-03-31 04:14:18
7	Alex Eirea	0.27 s	Python 2	2017-01-28 18:47:54
8	Godmar Back	0.27 s	Python 2	2019-01-01 03:32:02
9	Erfan Noorbakhsh	0.28 s	Python 2	2021-06-20 11:18:58
10	Mohsen Dehbashi	0.28 s	Python 2	2021-06-30 08:39:41

#	User	Runtime	Language	Date
1	K M Shihab Uddin	0.02 s	Python 3	2019-08-08 22:31:08
2	Øyvind Haarberg	0.03 s	Python 3	2017-12-03 17:44:41
3	Harry Smidt	0.03 s	Python 3	2018-10-26 20:53:44
4	Kirk Patrick Bamba	0.04 s	Python 3	2019-03-16 12:46:42
5	Hidden user	0.04 s	Python 3	2025-11-02 19:43:33
6	Daniel Lokshtanov	0.04 s	Python 3	2025-11-13 01:47:40
7	Alex Jeong	0.04 s	Python 3	2025-11-14 09:54:12
8	Shivani Madhan	0.04 s	Python 3	2025-11-15 03:45:57
9	Shiyuan Wang	0.04 s	Python 3	2025-11-15 06:43:42
10	Brian Sen	0.04 s	Python 3	2025-11-17 20:35:32

#	User	Runtime	Language	Date
1	Zohar Malamant	0.04 s	Ruby	2018-04-19 22:50:19

#	User	Runtime	Language	Date
1	Daniel Anker Hermansen	0.00 s	Rust	2023-09-08 13:57:25

#	User	Length	Language	Date
1	Raymond Yang	673	C	2021-10-16 22:59:57
2	Conor McGovern	986	C	2019-02-13 22:56:52
3	Mirel Cosulschi	990	C	2024-10-17 23:27:18
4	Peter Lee	1728	C	2017-09-28 02:16:47
5	Ivan Petrov	1905	C	2019-11-22 14:21:52
6	Ioannis Br	2347	C	2020-07-03 04:05:26
7	Svein Høgemo	3336	C	2018-04-20 18:19:30

#	User	Length	Language	Date
1	Edvin Mako	2724	C#	2020-04-02 18:54:06
2	Joop van der Heiden	2812	C#	2023-10-14 23:27:22
3	Fredrik Absalonsen	2997	C#	2018-04-21 13:21:00

#	User	Length	Language	Date
1	Johan Wind	656	C++	2018-12-26 00:47:34
2	Zane Yu	773	C++	2019-02-04 03:58:16
3	Birk Tjelmeland	805	C++	2018-04-18 13:31:50
4	Minh Nguyen	809	C++	2019-02-19 09:35:39
5	Ragur Krishnan	831	C++	2018-07-04 22:10:55
6	Modak Shantanu Bharat	837	C++	2020-01-31 03:52:28
7	Xuan Tung Nguyen	843	C++	2020-03-21 18:41:11
8	Håvard Stuberg	870	C++	2018-04-15 16:57:27
9	Ernest Ng Zi Xuan	875	C++	2024-03-26 00:58:59
10	Mel Rogene Natividad	883	C++	2019-03-16 06:47:22

#	User	Length	Language	Date
1	Muhammad Rais Fathin Mudzakir	1562	Common Lisp	2019-04-14 17:49:18

#	User	Length	Language	Date
1	Chen Huo	722	Haskell	2024-10-29 18:37:38
2	Stian	1785	Haskell	2020-03-19 15:22:06

#	User	Length	Language	Date
1	Dawson Thompson	1063	Java	2018-04-05 04:57:08
2	Andrew Cunningham	1124	Java	2018-04-05 06:55:17
3	Hidden user	1147	Java	2018-03-31 06:52:49
4	Michael Reiter	1151	Java	2018-03-31 05:46:36
5	shuwenli	1183	Java	2018-04-02 03:52:19
6	Zijian Chen	1198	Java	2018-04-02 00:06:41
7	Italo Borrelli	1224	Java	2018-03-30 01:23:45
8	Sherry Kuai	1226	Java	2018-11-17 22:04:32
9	Trevor Harness	1253	Java	2018-03-16 05:56:21
10	Doug Goodman	1256	Java	2018-07-15 17:05:08

#	User	Length	Language	Date
1	Christian Pilegaard Cederquist	1139	JavaScript (SpiderMonkey)	2023-11-08 09:08:51

#	User	Length	Language	Date
1	Sondre Nilsen	1334	Kotlin	2021-04-13 15:22:57
2	Jonas Hielscher	1863	Kotlin	2018-04-18 23:57:38
3	Ditlef Alexander Diseth	5301	Kotlin	2020-03-18 10:51:36

#	User	Length	Language	Date
1	Lars Åström	439	Python 2	2019-04-18 11:57:03
2	Hidden user	589	Python 2	2020-03-31 02:45:14
3	Ciara Godwin	680	Python 2	2018-05-03 18:19:10
4	Morten Movik	700	Python 2	2018-04-17 19:58:30
5	Andreas Björklund	705	Python 2	2019-12-16 19:22:48
6	Erfan Noorbakhsh	843	Python 2	2021-06-24 13:10:20
7	Mohsen Dehbashi	888	Python 2	2021-06-30 08:39:41
8	Hidden user	945	Python 2	2016-07-12 16:55:53
9	Matzuka	1087	Python 2	2021-02-17 19:43:41
10	Andrei Lupu	1148	Python 2	2018-11-17 21:35:49

#	User	Length	Language	Date
1	Benjamin Ye	178	Python 3	2024-03-09 06:41:03
2	Shashank Bhatt	314	Python 3	2023-10-15 20:46:33
3	Anshuman Dash	407	Python 3	2024-03-01 22:40:57
4	Zac Friggstad	467	Python 3	2022-01-24 21:54:10
5	Oskar Haarklou Veileborg	479	Python 3	2020-05-11 12:25:26
6	Sanil Katula	523	Python 3	2025-11-14 21:01:08
7	David Qiao	535	Python 3	2024-03-19 03:50:41
8	Karina Elinborg Jonasdottir Strømmen	577	Python 3	2021-03-20 12:02:07
9	Xiaoyang Xu	580	Python 3	2025-11-12 06:50:42
10	Ben Pendley	594	Python 3	2021-10-24 20:17:33

#	User	Length	Language	Date
1	Zohar Malamant	956	Ruby	2018-04-19 22:50:04

#	User	Length	Language	Date
1	Daniel Anker Hermansen	20778	Rust	2023-09-08 13:57:25

Solution running time distribution