Problem I
Six Degrees — Problem Statistics

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Submissions	636
Accepted submissions	225
Submission ratio	35.38%
Authors	205
Full solves [?]	166
Full solve Ratio	80.98%

#	User	Runtime	Language	Date
1	Mirel Cosulschi	0.01 s	C	2023-01-07 14:30:26
2	Ivan Petrov	0.55 s	C	2019-07-22 13:56:15

#	User	Runtime	Language	Date
1	Jens Erik	1.92 s	C#	2025-11-18 23:25:05
2	Simon Thillemann Nielsen	1.92 s	C#	2025-11-18 23:28:42

#	User	Runtime	Language	Date
1	plctey ihy	0.01 s	C++	2024-03-24 08:57:33
2	Lucian-Andrei Badea	0.02 s	C++	2025-09-06 15:32:13
3	Bernard Teo	0.03 s	C++	2019-05-21 16:09:19
4	Nicholas Foo Chuan Le	0.24 s	C++	2022-04-09 22:44:05
5	Pavel Verigo	0.39 s	C++	2019-10-12 22:48:45
6	Tigran Hakobyan	0.40 s	C++	2015-11-28 09:34:29
7	Ludo Pulles	0.40 s	C++	2017-10-31 20:46:09
8	Dhruv Rohatgi	0.41 s	C++	2016-02-27 23:56:01
9	Tomas Lagland	0.42 s	C++	2016-02-15 17:45:28
10	Tigran	0.42 s	C++	2023-01-16 20:35:06

#	User	Runtime	Language	Date
1	Hidden user	2.25 s	Common Lisp	2019-07-15 06:10:30

#	User	Runtime	Language	Date
1	Marco Karaan	0.46 s	Java	2016-03-12 08:11:00
2	Rene Argento	1.79 s	Java	2023-12-22 20:16:23
3	Danniel Alcantara	1.83 s	Java	2024-07-31 09:12:13
4	Crystal Sharpe	1.85 s	Java	2023-03-28 02:12:54
5	Erik Baalhuis	1.93 s	Java	2016-07-26 01:22:21
6	Bjørn Dons	2.00 s	Java	2020-05-10 19:06:28
7	Josenildo Silva	2.04 s	Java	2017-07-08 18:23:18
8	Kevin Lim Yong Shen	2.05 s	Java	2020-02-24 10:26:01
9	Chris Wu	2.08 s	Java	2016-02-27 20:47:18
10	Knut Anders Stokke	2.08 s	Java	2016-09-21 19:09:03

#	User	Runtime	Language	Date
1	Phường Lên	2.83 s	Kotlin	2020-08-20 20:09:01

#	User	Runtime	Language	Date
1	Andreas Björklund	2.95 s	Python 2	2020-08-29 17:11:57

#	User	Runtime	Language	Date
1	Ari Blondal	1.12 s	Python 3	2026-03-20 19:45:20
2	Jonatan Nilsson	1.16 s	Python 3	2024-09-24 15:09:20
3	Hidden user	1.16 s	Python 3	2026-02-15 11:46:31
4	Simon Rumle Tarnow	1.21 s	Python 3	2021-03-19 10:58:50
5	Maj Stenmark	1.22 s	Python 3	2022-04-13 18:44:48
6	Gladwin Yeo	1.27 s	Python 3	2022-07-22 04:47:59
7	Nicholas Russell Saerang	1.29 s	Python 3	2024-06-01 16:15:53
8	Arnav Sastry	1.35 s	Python 3	2022-04-12 22:47:02
9	Linh B. Ngo	1.47 s	Python 3	2024-05-12 03:17:14
10	Iman Khodadi	1.57 s	Python 3	2024-07-09 17:10:15

#	User	Runtime	Language	Date
1	Hidden user	0.72 s	Swift	2024-04-12 19:43:33

#	User	Length	Language	Date
1	Mirel Cosulschi	2824	C	2023-01-07 14:30:26
2	Ivan Petrov	9768	C	2019-07-22 13:56:15

#	User	Length	Language	Date
1	Jens Erik	2181	C#	2025-11-18 23:25:05
2	Simon Thillemann Nielsen	2181	C#	2025-11-18 23:28:42

#	User	Length	Language	Date
1	Flavius Abel Ciapsa	1011	C++	2022-01-28 18:49:52
2	Brandon Zhang	1047	C++	2020-05-13 02:36:59
3	Markus Mathiasen	1080	C++	2023-07-31 11:31:31
4	William Gan	1084	C++	2018-04-13 11:29:59
5	Mårten Wiman	1134	C++	2015-11-23 19:31:19
6	Hidden user	1143	C++	2020-05-10 21:20:00
7	Bùi Việt Dũng	1169	C++	2021-01-01 20:34:14
8	Dhruv Rohatgi	1186	C++	2016-02-27 23:56:01
9	Ryan Chew	1189	C++	2019-03-13 10:10:06
10	Zane Yu	1193	C++	2019-03-12 12:58:02

#	User	Length	Language	Date
1	Hidden user	2111	Common Lisp	2019-07-15 06:10:30

#	User	Length	Language	Date
1	Marco Karaan	1723	Java	2016-03-12 08:11:00
2	Jd Dantes	1762	Java	2016-03-12 08:32:05
3	Crystal Sharpe	1793	Java	2023-03-28 02:07:43
4	Danniel Alcantara	2001	Java	2024-07-31 09:12:13
5	Josenildo Silva	2522	Java	2017-07-08 18:23:18
6	Hidden user	2782	Java	2019-09-08 05:56:13
7	Nick Wu	2886	Java	2015-11-28 00:19:34
8	Erik Baalhuis	3147	Java	2016-07-26 01:22:21
9	Tsang Tsoi Tung Tammy H.	3374	Java	2020-02-24 15:55:20
10	Kevin Lim Yong Shen	3755	Java	2020-02-24 10:26:01

#	User	Length	Language	Date
1	Phường Lên	1775	Kotlin	2020-08-20 20:09:01

#	User	Length	Language	Date
1	Andreas Björklund	1070	Python 2	2020-08-29 17:11:57

#	User	Length	Language	Date
1	Nicholas Russell Saerang	695	Python 3	2024-06-01 16:15:53
2	Ari Blondal	889	Python 3	2026-03-20 19:45:20
3	Iman Khodadi	946	Python 3	2024-07-09 17:10:15
4	Jonatan Nilsson	973	Python 3	2024-09-24 15:09:20
5	Simon Rumle Tarnow	1075	Python 3	2021-03-19 10:58:50
6	Arnav Sastry	1218	Python 3	2022-04-12 22:47:02
7	Måns Magnusson	1304	Python 3	2024-09-24 13:58:44
8	Maj Stenmark	1312	Python 3	2022-04-13 18:41:52
9	Linh B. Ngo	1332	Python 3	2024-05-12 03:17:14
10	Ram Basnet	1352	Python 3	2022-12-04 01:55:55

#	User	Length	Language	Date
1	Hidden user	1538	Swift	2024-04-12 19:43:33

Solution running time distribution