Problem A
Colourful Graph — Problem Statistics

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Submissions	354
Accepted submissions	58
Submission ratio	16.38%
Authors	78
Full solves [?]	47
Full solve Ratio	60.26%

#	User	Runtime	Language	Date
1	Ivan Petrov	0.06 s	C	2019-05-20 08:49:36

#	User	Runtime	Language	Date
1	Jakub Jarząbek	0.18 s	C#	2022-04-16 23:10:28
2	Jakub Jarzabek	0.19 s	C#	2022-04-19 15:38:31
3	Małgosia Jarosz	0.40 s	C#	2022-04-08 01:54:37

#	User	Runtime	Language	Date
1	Manchery Wu	0.01 s	C++	2017-03-29 08:38:31
2	甘罗	0.01 s	C++	2019-10-16 07:13:56
3	Ruoxi Chen	0.03 s	C++	2016-11-19 08:46:37
4	Zhuo Yifan	0.03 s	C++	2016-11-22 07:42:52
5	Pang Chieh Jason Chiu	0.03 s	C++	2017-02-26 01:40:42
6	Chunyang Wang	0.03 s	C++	2019-11-07 03:54:22
7	Tommy Li	0.03 s	C++	2020-02-05 16:27:15
8	Luxanna	0.03 s	C++	2020-11-16 17:23:18
9	Marek Hołyński	0.03 s	C++	2022-04-07 14:18:34
10	Song Guo	0.04 s	C++	2016-11-07 15:07:07

#	User	Runtime	Language	Date
1	Matt Fontaine	0.18 s	Java	2017-02-25 20:29:06
2	Roger Ballard	0.26 s	Java	2017-02-25 20:39:29
3	Timothy Buzzelli	0.31 s	Java	2017-02-25 23:50:48
4	Gabriel Pita	1.98 s	Java	2017-02-25 23:57:24

#	User	Runtime	Language	Date
1	Hidden user	0.08 s	Python 2	2019-10-16 08:22:57

#	User	Runtime	Language	Date
1	Harry Zhang	0.10 s	Python 3	2024-03-01 17:09:31
2	Martin Fesser	0.16 s	Python 3	2020-08-12 10:13:18

#	User	Length	Language	Date
1	Ivan Petrov	5617	C	2019-05-20 08:49:36

#	User	Length	Language	Date
1	Małgosia Jarosz	12740	C#	2022-04-08 01:54:37
2	Jakub Jarząbek	13742	C#	2022-04-16 23:18:17
3	Jakub Jarzabek	13956	C#	2022-04-19 15:38:31

#	User	Length	Language	Date
1	NTU ACM	2084	C++	2018-11-17 12:12:11
2	Felipe Mota	2395	C++	2016-12-24 00:34:02
3	Tuấn Dũng Bùi Đức	2487	C++	2017-02-15 10:03:05
4	Zhuo Yifan	2581	C++	2016-11-22 07:42:52
5	NTU ACM	2627	C++	2018-11-17 12:03:56
6	Mário Henrique	2631	C++	2017-02-25 23:28:52
7	Alexander Skidanov	2667	C++	2025-06-26 10:35:55
8	Xuan Nhat Hoang	2711	C++	2017-02-14 19:04:38
9	甘罗	2746	C++	2019-10-16 07:13:56
10	Manchery Wu	2762	C++	2017-03-29 08:38:31

#	User	Length	Language	Date
1	Timothy Buzzelli	4237	Java	2017-02-25 23:50:48
2	Gabriel Pita	4798	Java	2017-02-25 23:57:24
3	Roger Ballard	5896	Java	2017-02-25 20:39:29
4	Matt Fontaine	7056	Java	2017-02-25 20:29:06

#	User	Length	Language	Date
1	Hidden user	1900	Python 2	2019-10-16 08:22:57

#	User	Length	Language	Date
1	Harry Zhang	3838	Python 3	2024-03-01 17:09:31
2	Martin Fesser	13254	Python 3	2020-08-12 10:13:18

Solution running time distribution