Problem I
Incremental Induction — Problem Statistics

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Submissions	615
Accepted submissions	251
Submission ratio	40.81%
Authors	226
Full solves [?]	197
Full solve Ratio	87.17%

#	User	Runtime	Language	Date
1	Bergur Snorrason	0.08 s	C	2019-10-06 16:05:46
2	Andreas Björklund	0.09 s	C	2019-10-06 08:24:08
3	Ivan Petrov	0.09 s	C	2019-10-09 10:11:19
4	Eyleifur Bjarkason	0.67 s	C	2019-10-14 17:06:08

#	User	Runtime	Language	Date
1	David Wärn	0.03 s	C++	2019-10-05 14:49:57
2	Kevin Sun	0.03 s	C++	2019-10-07 16:17:41
3	Dilawar Mahmood	0.03 s	C++	2019-12-17 20:32:39
4	Carlos Miguel Soto	0.03 s	C++	2023-01-27 19:10:59
5	Glenn Say	0.03 s	C++	2025-05-02 18:33:25
6	Antti Röyskö	0.07 s	C++	2019-10-06 13:45:37
7	Mathias Tejs	0.07 s	C++	2019-10-06 21:37:35
8	Paul Wild	0.07 s	C++	2019-10-07 16:25:13
9	Jannik Olbrich	0.07 s	C++	2019-10-09 15:09:13
10	Wesley Leung	0.07 s	C++	2019-10-13 19:58:05

#	User	Runtime	Language	Date
1	Steinar Simonnes	0.21 s	Haskell	2025-08-13 12:28:25

#	User	Runtime	Language	Date
1	David Brink	0.18 s	Java	2019-10-08 17:21:36
2	Alice Ryhl	0.32 s	Java	2019-10-12 17:23:35
3	Åke Wettergren	0.34 s	Java	2019-10-06 11:00:39
4	Erik Tegler	0.34 s	Java	2019-10-06 15:22:09
5	Bjørn Dons	0.56 s	Java	2019-10-10 20:51:15
6	Doug Goodman	0.66 s	Java	2020-07-04 18:19:49
7	Alex Lind	0.82 s	Java	2019-10-26 16:01:26
8	Crystal Sharpe	0.89 s	Java	2022-02-17 04:24:43
9	Benjamin Reidys	0.90 s	Java	2019-10-15 01:22:10
10	Logan Pipes	1.18 s	Java	2022-02-28 18:48:03

#	User	Runtime	Language	Date
1	Jacob Huebner	0.42 s	Kotlin	2021-08-02 06:00:06
2	Benjamin Ye	0.93 s	Kotlin	2022-02-12 23:25:09

#	User	Runtime	Language	Date
1	Andreas Björklund	0.15 s	Python 2	2019-10-06 08:34:47
2	Lars Åström	0.16 s	Python 2	2019-10-05 23:45:30
3	Ragur Krishnan	0.21 s	Python 2	2019-10-22 01:30:25
4	Oskar Haarklou Veileborg	0.26 s	Python 2	2019-10-07 08:39:13
5	Casper Rysgaard	0.43 s	Python 2	2019-10-08 13:14:26
6	Maj Stenmark	0.60 s	Python 2	2019-10-06 15:15:52
7	Harry Smidt	1.17 s	Python 2	2019-11-10 17:55:11
8	Gerth Stølting Brodal	1.20 s	Python 2	2019-10-06 02:29:00
9	Måns Magnusson	1.86 s	Python 2	2019-10-06 13:39:18
10	Thore Husfeldt	1.87 s	Python 2	2019-10-06 12:13:08

#	User	Runtime	Language	Date
1	Yong Mao	0.25 s	Python 3	2023-06-12 05:39:31
2	Mikael Häglund	0.25 s	Python 3	2024-09-15 12:40:22
3	Hugo Bäckman	0.25 s	Python 3	2025-03-17 13:05:07
4	Hidden user	0.26 s	Python 3	2022-08-18 23:51:32
5	Jiaming Liu	0.29 s	Python 3	2024-10-09 19:48:56
6	Godmar Back	0.31 s	Python 3	2022-10-11 05:34:02
7	Hrant Hovhannisyan	0.31 s	Python 3	2025-08-13 08:37:47
8	Josenildo Silva	0.32 s	Python 3	2020-06-08 00:52:44
9	Gustavo Fadel	0.34 s	Python 3	2021-11-29 20:53:55
10	Li Shuo	0.34 s	Python 3	2022-03-28 03:21:01

#	User	Runtime	Language	Date
1	Daniel Anker Hermansen	0.09 s	Rust	2024-12-28 12:28:04
2	Ole Johan Walderhaug	1.63 s	Rust	2020-11-05 00:27:25

#	User	Length	Language	Date
1	Andreas Björklund	594	C	2019-10-06 08:24:08
2	Ivan Petrov	941	C	2019-10-09 10:11:19
3	Bergur Snorrason	1869	C	2019-10-06 16:06:35
4	Eyleifur Bjarkason	6168	C	2019-10-14 17:06:08

#	User	Length	Language	Date
1	Elias Lolck	451	C++	2024-10-07 17:34:56
2	Kevin Sun	473	C++	2019-10-07 16:17:41
3	Björn Magnusson	483	C++	2019-10-05 19:00:31
4	Eric Hu	487	C++	2021-01-03 17:56:54
5	Rares Cotoi	499	C++	2021-10-09 14:10:29
6	Kenzo Nobre	502	C++	2023-01-28 01:20:19
7	Lars Åström	503	C++	2019-10-05 22:57:08
8	Felicia Lucke	515	C++	2019-10-23 13:43:17
9	Antti Röyskö	520	C++	2019-10-06 13:45:37
10	Ludo Pulles	532	C++	2019-10-05 23:29:48

#	User	Length	Language	Date
1	Steinar Simonnes	1119	Haskell	2025-08-13 12:37:45

#	User	Length	Language	Date
1	Alice Ryhl	898	Java	2019-10-12 17:23:35
2	Benjamin Klahn	1312	Java	2019-10-13 11:48:16
3	Doug Goodman	1420	Java	2020-07-04 18:19:49
4	Logan Pipes	1914	Java	2022-02-28 17:41:11
5	Crystal Sharpe	2254	Java	2022-02-17 04:24:43
6	Benjamin Reidys	2291	Java	2019-10-15 01:22:10
7	Erik Tegler	2327	Java	2019-10-06 15:22:09
8	Alex Lind	2489	Java	2019-10-26 16:01:26
9	Michael O'Brien	2899	Java	2022-02-22 03:23:58
10	David Brink	2901	Java	2019-10-08 17:21:36

#	User	Length	Language	Date
1	Benjamin Ye	649	Kotlin	2023-02-06 20:20:14
2	Jacob Huebner	753	Kotlin	2021-08-02 06:00:06

#	User	Length	Language	Date
1	Andreas Björklund	294	Python 2	2019-10-06 08:34:47
2	Lars Åström	316	Python 2	2019-10-05 23:45:30
3	Ragur Krishnan	354	Python 2	2019-10-22 01:30:25
4	Casper Rysgaard	620	Python 2	2019-10-08 13:14:26
5	Oskar Haarklou Veileborg	679	Python 2	2019-10-07 08:39:13
6	Maj Stenmark	758	Python 2	2019-10-06 14:27:25
7	Gerth Stølting Brodal	768	Python 2	2019-10-06 02:29:00
8	Måns Magnusson	815	Python 2	2019-10-06 13:36:04
9	Harry Smidt	955	Python 2	2019-11-10 17:55:11
10	Thore Husfeldt	1050	Python 2	2019-10-06 12:11:23

#	User	Length	Language	Date
1	Yong Mao	197	Python 3	2023-06-12 05:44:04
2	Li Shuo	202	Python 3	2022-03-28 03:21:01
3	Nicholas Russell Saerang	220	Python 3	2025-04-30 03:48:36
4	Josenildo Silva	289	Python 3	2020-06-08 00:52:44
5	Hrant Hovhannisyan	289	Python 3	2025-08-13 08:39:52
6	Hidden user	294	Python 3	2022-08-18 23:51:32
7	Mikael Häglund	317	Python 3	2024-09-15 12:40:22
8	Hugo Bäckman	329	Python 3	2025-03-17 13:05:07
9	Gustavo Fadel	352	Python 3	2021-11-29 20:53:55
10	Godmar Back	376	Python 3	2022-10-11 05:34:02

#	User	Length	Language	Date
1	Ole Johan Walderhaug	1766	Rust	2020-11-05 00:27:25
2	Daniel Anker Hermansen	13526	Rust	2024-12-28 12:28:04

Solution running time distribution