Problem I
Family DAG — Problem Statistics

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Submissions	840
Accepted submissions	179
Submission ratio	21.31%
Authors	172
Full solves [?]	119
Full solve Ratio	69.19%

#	User	Runtime	Language	Date
1	Jesper Öqvist	0.00 s	C	2018-03-11 22:36:22

#	User	Runtime	Language	Date
1	Arnav Sastry	0.00 s	C++	2018-03-28 07:09:13
2	Le Xuan Manh	0.01 s	C++	2018-02-03 11:49:33
3	Luke Videckis	0.01 s	C++	2018-10-03 06:56:45
4	Asger Hautop Drewsen	0.01 s	C++	2018-10-25 01:05:57
5	Francesco Lotito	0.01 s	C++	2019-03-23 15:30:54
6	Michael Zündorf	0.01 s	C++	2019-11-25 15:05:10
7	Bay Wei Heng	0.01 s	C++	2019-12-09 06:25:30
8	Hidden user	0.01 s	C++	2020-08-15 16:17:43
9	William Taylor-Melanson	0.01 s	C++	2020-08-15 16:18:22
10	Scott MacIntosh	0.01 s	C++	2020-08-17 13:53:24

#	User	Runtime	Language	Date
1	Michael LoPiccolo	0.07 s	Haskell	2017-07-08 20:40:15

#	User	Runtime	Language	Date
1	Bjørn Dons	0.14 s	Java	2018-12-07 00:30:51
2	José Vander Meulen	0.16 s	Java	2018-09-02 22:18:43
3	Emanuel Peroni	0.16 s	Java	2018-10-21 20:15:59
4	Doug Goodman	0.17 s	Java	2017-11-21 14:40:58
5	Rene Argento	0.18 s	Java	2023-04-09 02:27:07
6	fetta	0.19 s	Java	2018-10-21 20:03:54
7	Crystal Sharpe	0.20 s	Java	2020-08-18 17:25:14
8	Taras Romanyuk	0.20 s	Java	2025-03-05 14:25:30
9	Nick Wu	0.22 s	Java	2016-06-12 07:08:33
10	Martijn Muijsers	0.28 s	Java	2017-05-16 01:17:06

#	User	Runtime	Language	Date
1	Aksel Holbek Sørbye	0.59 s	Kotlin	2025-10-16 16:36:35

#	User	Runtime	Language	Date
1	Oskar Haarklou Veileborg	0.10 s	Python 2	2018-10-22 23:08:26
2	Hidden user	0.11 s	Python 2	2018-05-28 17:30:18
3	Lars Åström	0.11 s	Python 2	2018-10-16 09:29:49
4	Erik Odenman	0.12 s	Python 2	2016-01-10 07:01:16
5	Hidden user	0.19 s	Python 2	2019-07-07 21:29:16

#	User	Runtime	Language	Date
1	Aditya Durvasula	0.03 s	Python 3	2018-03-28 07:21:01
2	Robin Messenger	0.08 s	Python 3	2017-10-26 02:54:47
3	Oskar Haarklou Veileborg	0.08 s	Python 3	2018-10-22 23:09:26
4	Duane Littleton	0.08 s	Python 3	2019-06-25 03:24:23
5	Bryon Tjanaka	0.08 s	Python 3	2019-10-29 18:16:20
6	Lionel KITIHOUN	0.09 s	Python 3	2017-07-03 01:58:20
7	Norman Putra	0.09 s	Python 3	2025-10-27 02:49:53
8	Leo Nyberg	0.09 s	Python 3	2026-02-22 22:54:38
9	Rubiocai Programador	0.10 s	Python 3	2024-11-22 07:12:05
10	Yong Mao	0.11 s	Python 3	2022-07-14 04:20:13

#	User	Runtime	Language	Date
1	Markus Videfors	0.01 s	Rust	2023-03-01 15:25:31
2	Elias Rilegård	0.01 s	Rust	2026-02-24 13:57:38
3	Gustaf Bergmark	0.02 s	Rust	2023-02-22 20:31:48

#	User	Length	Language	Date
1	Jesper Öqvist	7267	C	2018-03-11 22:36:22

#	User	Length	Language	Date
1	Hidden user	1091	C++	2019-05-21 15:59:56
2	Markus Mathiasen	1208	C++	2023-07-23 18:11:16
3	Marco Rubini	1233	C++	2020-07-23 16:51:36
4	Zac Friggstad	1242	C++	2017-03-30 00:35:25
5	Xuan Tung Nguyen	1271	C++	2020-03-14 09:39:10
6	Atli Fannar Franklín	1317	C++	2023-06-22 18:10:18
7	Giacomo Fabris	1360	C++	2019-10-17 14:45:27
8	Michael Zündorf	1366	C++	2019-11-25 15:05:10
9	Ghazal Rabiei	1395	C++	2026-02-23 13:44:22
10	Riccardo Periotto	1409	C++	2019-04-06 00:56:04

#	User	Length	Language	Date
1	Michael LoPiccolo	1836	Haskell	2017-07-08 20:40:15

#	User	Length	Language	Date
1	Doug Goodman	1444	Java	2017-11-21 14:40:58
2	Crystal Sharpe	2204	Java	2020-08-18 17:25:14
3	Nick Wu	3160	Java	2016-06-12 07:08:33
4	Jesse B-K	3263	Java	2020-10-11 02:15:25
5	Emanuel Peroni	3395	Java	2018-10-21 20:15:59
6	Joel Gritter	3479	Java	2020-10-11 03:22:03
7	Olav Røthe Bakken	3657	Java	2018-08-22 17:50:47
8	Taras Romanyuk	3960	Java	2025-03-05 14:25:30
9	fetta	4339	Java	2018-10-21 20:03:54
10	Kevin Lim Yong Shen	4431	Java	2022-01-29 06:07:28

#	User	Length	Language	Date
1	Aksel Holbek Sørbye	30251	Kotlin	2025-10-16 16:36:35

#	User	Length	Language	Date
1	Oskar Haarklou Veileborg	594	Python 2	2018-10-22 23:08:26
2	Hidden user	883	Python 2	2018-05-28 17:30:18
3	Erik Odenman	1039	Python 2	2016-01-10 07:01:16
4	Lars Åström	1223	Python 2	2018-10-16 09:29:49
5	Hidden user	1397	Python 2	2019-07-07 21:32:58

#	User	Length	Language	Date
1	Oskar Haarklou Veileborg	512	Python 3	2018-10-22 23:09:26
2	Rubiocai Programador	698	Python 3	2024-11-22 07:12:05
3	Nicholas Russell Saerang	769	Python 3	2024-06-23 20:44:23
4	Norman Putra	769	Python 3	2025-10-27 02:49:53
5	Robin Messenger	981	Python 3	2017-10-26 02:54:47
6	Casper Rysgaard	1060	Python 3	2024-03-21 16:09:05
7	Bryon Tjanaka	1283	Python 3	2019-10-29 18:16:20
8	Pandis	1321	Python 3	2023-02-27 18:37:35
9	Oskar Svanström	1336	Python 3	2023-02-27 18:40:34
10	Yan Yi Ho	1381	Python 3	2023-12-06 08:58:55

#	User	Length	Language	Date
1	Elias Rilegård	2563	Rust	2026-02-24 14:57:03
2	Markus Videfors	4121	Rust	2023-03-01 15:25:31
3	Gustaf Bergmark	7510	Rust	2023-02-22 20:31:48

Solution running time distribution