Problem C
Graph representation — Problem Statistics

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Submissions	861
Accepted submissions	178
Submission ratio	20.67%
Authors	203
Full solves [?]	158
Full solve Ratio	77.83%

#	User	Runtime	Language	Date
1	Trinh Huu Gia Phuc	0.01 s	C++	2018-02-08 04:05:03
2	Nguyen Xuan Tung	0.02 s	C++	2018-04-30 05:10:15
3	Nguyễn Hoàng Quân	0.02 s	C++	2018-10-12 12:26:54
4	Giang Truong	0.02 s	C++	2018-10-22 18:23:01
5	Truong Luan	0.02 s	C++	2018-11-03 12:59:26
6	Tran Viet Huy	0.02 s	C++	2019-09-27 05:21:35
7	Duong Thi Hoa Binh	0.02 s	C++	2019-09-30 10:39:03
8	First name Last name	0.02 s	C++	2020-03-14 10:29:38
9	Nguyễn Công Anh Khoa	0.02 s	C++	2020-10-16 08:04:13
10	Đào Quang Dũng	0.02 s	C++	2020-10-16 09:31:02

#	User	Runtime	Language	Date
1	Nguyễn Hùng Cường	0.07 s	Java	2018-07-06 14:18:40
2	Nguyễn Mạnh Phúc	0.12 s	Java	2017-10-22 07:04:02
3	Dinh Sang	0.31 s	Java	2017-10-20 21:01:31
4	Nguyễn Minh Tài	0.33 s	Java	2017-10-22 07:32:26
5	Ngo Quyen	0.80 s	Java	2017-10-22 07:54:21
6	Tu Le	0.86 s	Java	2017-10-22 15:43:32

#	User	Runtime	Language	Date
1	Phúc Nguyễn Quang	0.03 s	Python 3	2017-10-23 11:40:56
2	Brent Yorgey	0.06 s	Python 3	2025-09-18 04:40:32
3	Duoduo Zhao	0.08 s	Python 3	2025-08-18 04:26:29
4	Phong Khoang	0.14 s	Python 3	2017-10-22 19:28:43

#	User	Length	Language	Date
1	Phú An Võ	304	C++	2017-10-24 10:33:45
2	Bui Duy Trung	316	C++	2017-10-22 06:09:40
3	Tran Dinh Trung	393	C++	2017-10-22 05:54:08
4	Van-Xinh Do	411	C++	2017-10-22 05:02:38
5	Nguyen Duy Khanh	412	C++	2017-10-22 06:22:33
6	Nguyen Thien Thuat	413	C++	2017-10-22 05:54:22
7	Trọng Nguyễn Kim	414	C++	2017-10-23 11:47:11
8	Loi Do Van	422	C++	2017-10-22 18:30:52
9	Nguyen Tan Bao Cuong	425	C++	2017-10-22 06:56:43
10	Le Thanh Luan	428	C++	2017-10-22 07:28:02

#	User	Length	Language	Date
1	Ngo Quyen	605	Java	2017-10-22 07:54:21
2	Tu Le	1450	Java	2017-10-22 15:43:32
3	Nguyễn Minh Tài	2225	Java	2017-10-22 07:32:26
4	Dinh Sang	2607	Java	2017-10-20 21:01:31
5	Nguyễn Hùng Cường	4502	Java	2018-07-06 14:18:40
6	Nguyễn Mạnh Phúc	5178	Java	2017-10-22 07:04:02

#	User	Length	Language	Date
1	Phúc Nguyễn Quang	230	Python 3	2017-10-23 11:40:56
2	Brent Yorgey	253	Python 3	2025-09-18 04:40:32
3	Phong Khoang	360	Python 3	2017-10-22 19:28:43
4	Duoduo Zhao	868	Python 3	2025-08-18 04:26:29

Solution running time distribution