Problem B
k-Colouring of a Graph — Problem Statistics

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Submissions	334
Accepted submissions	70
Submission ratio	20.96%
Authors	55
Full solves [?]	31
Full solve Ratio	56.36%

#	User	Runtime	Language	Date
1	Ivan Petrov	0.03 s	C	2019-11-26 10:01:40

#	User	Runtime	Language	Date
1	박상수	0.03 s	C++	2017-06-22 21:49:10
2	Jeremy Lim	0.03 s	C++	2025-03-10 12:05:22
3	Lingyu Song	0.04 s	C++	2018-06-06 10:30:31
4	Jacob Steinebronn	0.04 s	C++	2023-05-11 20:59:04
5	Kim Kwang Song	0.05 s	C++	2016-09-10 15:44:09
6	Muhammad Rais Fathin Mudzakir	0.05 s	C++	2018-03-10 23:04:43
7	Alexander Kravberg	0.05 s	C++	2018-10-18 17:12:31
8	Stephen Lai	0.06 s	C++	2016-11-17 17:34:37
9	Mingfei Jiang	0.07 s	C++	2016-09-10 11:07:21
10	高宇	0.08 s	C++	2016-09-10 10:25:59

#	User	Runtime	Language	Date
1	Andrew Polizzotto	0.42 s	Java	2020-07-17 08:23:57

#	User	Runtime	Language	Date
1	Hidden user	0.25 s	Python 2	2019-04-28 20:13:00
2	Joseph Meleshko	0.27 s	Python 2	2020-01-13 05:08:59
3	Andreas Björklund	1.03 s	Python 2	2020-04-19 11:39:04

#	User	Runtime	Language	Date
1	Joseph Meleshko	0.40 s	Python 3	2020-01-13 04:33:30
2	Harry Zhang	1.31 s	Python 3	2025-06-09 13:47:15
3	Nikolos Psihas Ortega	1.55 s	Python 3	2026-03-05 02:59:02

#	User	Length	Language	Date
1	Ivan Petrov	2454	C	2019-11-26 10:01:40

#	User	Length	Language	Date
1	Lingyu Song	1934	C++	2018-06-06 10:30:31
2	Xin Huang	2411	C++	2016-09-14 18:03:04
3	Tang Dongjian	2427	C++	2016-09-10 10:43:53
4	Jeremy Lim	2676	C++	2024-11-28 19:34:01
5	박상수	2815	C++	2017-06-22 21:49:10
6	Mingfei Jiang	3010	C++	2016-09-10 11:07:21
7	Jacob Steinebronn	3113	C++	2023-05-11 20:59:04
8	Zhengjie Xu	3707	C++	2016-09-10 15:17:09
9	Sergio Vieri	3760	C++	2018-03-11 08:56:47
10	Kim Kwang Song	3770	C++	2016-09-10 15:44:09

#	User	Length	Language	Date
1	Andrew Polizzotto	2962	Java	2020-07-17 08:23:57

#	User	Length	Language	Date
1	Hidden user	2600	Python 2	2019-04-28 20:13:00
2	Andreas Björklund	2825	Python 2	2020-04-19 11:39:04
3	Joseph Meleshko	49795	Python 2	2020-01-13 05:08:59

#	User	Length	Language	Date
1	Harry Zhang	7098	Python 3	2025-06-09 13:47:15
2	Nikolos Psihas Ortega	7968	Python 3	2026-03-05 02:59:02
3	Joseph Meleshko	49787	Python 3	2020-01-13 04:33:30

Solution running time distribution