Problem I
Pub-lic Good — Problem Statistics

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Submissions	1426
Accepted submissions	478
Submission ratio	33.52%
Authors	429
Full solves [?]	366
Full solve Ratio	85.31%

#	User	Runtime	Language	Date
1	Tapani	0.02 s	C	2017-08-31 17:41:54
2	Mirel Cosulschi	0.02 s	C	2024-01-03 08:51:59
3	Sambit Palit	0.30 s	C	2020-12-04 19:50:37

#	User	Runtime	Language	Date
1	Bas te Kolste	0.15 s	C#	2015-09-09 22:49:45

#	User	Runtime	Language	Date
1	Lee Geng Yu	0.01 s	C++	2018-04-05 05:07:20
2	Teh Zhi Thon	0.01 s	C++	2018-05-08 17:35:01
3	Pavlo Bulanchuk	0.01 s	C++	2018-07-30 00:47:19
4	Ashley Khoo	0.01 s	C++	2019-04-16 02:47:17
5	Ian DeHaan	0.01 s	C++	2020-07-18 06:32:01
6	Hidden user	0.01 s	C++	2021-04-19 14:07:22
7	Alexander Kravberg	0.01 s	C++	2023-02-01 17:28:39
8	Emanuel Gedin	0.02 s	C++	2014-03-23 18:26:18
9	Nicole Hedblom	0.02 s	C++	2015-10-08 00:03:47
10	Li Yue Chen	0.02 s	C++	2016-03-27 12:44:23

#	User	Runtime	Language	Date
1	Hidden user	0.04 s	Common Lisp	2019-08-06 20:10:52

#	User	Runtime	Language	Date
1	Norbert Voelker	0.08 s	Go	2022-06-15 01:07:13
2	Paul Boddington	0.19 s	Go	2016-05-18 17:51:10

#	User	Runtime	Language	Date
1	Crystal Sharpe	0.11 s	Java	2020-08-10 05:15:12
2	Samuel Klingström	0.14 s	Java	2018-12-09 23:38:36
3	Bjørn Dons	0.17 s	Java	2019-06-01 18:14:23
4	Martijn Muijsers	0.27 s	Java	2017-03-02 05:03:22
5	James Arista Yaputra	0.27 s	Java	2018-04-05 05:20:35
6	Terrence Park	0.28 s	Java	2016-02-18 20:24:28
7	Emílio Weba	0.28 s	Java	2016-04-26 01:15:28
8	Nick Wu	0.30 s	Java	2017-03-05 01:35:44
9	Mitch Price	0.31 s	Java	2017-02-26 23:10:35
10	Vu Minh Hieu	0.31 s	Java	2021-02-05 21:19:44

#	User	Runtime	Language	Date
1	Christian Pilegaard Cederquist	0.14 s	JavaScript (SpiderMonkey)	2023-10-08 23:19:29

#	User	Runtime	Language	Date
1	Phường Lên	0.50 s	Kotlin	2019-12-14 00:32:45
2	Hidden user	0.54 s	Kotlin	2019-12-14 02:20:32

#	User	Runtime	Language	Date
1	Sigurður Jens Albertsson	0.07 s	Python 2	2017-11-14 19:25:22
2	Lars Åström	0.12 s	Python 2	2018-07-09 21:03:57
3	Andreas Björklund	0.12 s	Python 2	2019-05-19 10:10:28
4	Oskar Haarklou Veileborg	0.13 s	Python 2	2020-02-03 14:53:30

#	User	Runtime	Language	Date
1	Hidden user	0.08 s	Python 3	2019-04-17 16:35:07
2	Jesús Pacheco Alonso	0.09 s	Python 3	2025-11-06 18:47:22
3	Isabella Del Mazo Bellato	0.09 s	Python 3	2025-11-29 01:28:04
4	Ryan Tan	0.10 s	Python 3	2022-06-10 05:21:42
5	Ram Basnet	0.10 s	Python 3	2024-11-22 20:35:01
6	Hidden user	0.11 s	Python 3	2025-11-04 00:20:20
7	Ethan Kuai	0.12 s	Python 3	2020-11-12 15:12:33
8	Darryl Chin	0.13 s	Python 3	2019-04-17 15:56:47
9	Jakub Jagiello	0.13 s	Python 3	2022-08-01 16:48:14
10	Yassine Asghar	0.13 s	Python 3	2025-01-14 23:22:41

#	User	Runtime	Language	Date
1	Vincent Lagerros	0.00 s	Rust	2025-05-03 21:28:15
2	Eric Pinter	0.04 s	Rust	2020-08-06 20:48:21

#	User	Length	Language	Date
1	Mirel Cosulschi	1671	C	2024-01-03 08:51:59
2	Tapani	1769	C	2017-08-31 17:41:54
3	Sambit Palit	2694	C	2020-12-04 19:50:37

#	User	Length	Language	Date
1	Bas te Kolste	2823	C#	2015-09-09 22:49:45

#	User	Length	Language	Date
1	Teikn Smith	588	C++	2024-07-28 01:47:43
2	Mihai Andreescu	598	C++	2017-05-06 20:37:00
3	William Gan	643	C++	2017-12-30 18:40:50
4	Ashley Khoo	657	C++	2019-04-16 02:42:43
5	Johan Wind	663	C++	2018-03-31 20:34:55
6	Herman Karlsson	676	C++	2015-10-08 22:30:45
7	Yusan Leung Liu	699	C++	2015-11-05 11:46:22
8	Magnus Eide-Fredriksen	717	C++	2025-06-25 15:14:47
9	Pavlo Bulanchuk	721	C++	2018-07-26 11:53:04
10	David Venhoek	741	C++	2016-03-22 11:34:04

#	User	Length	Language	Date
1	Hidden user	1269	Common Lisp	2019-08-06 20:03:31

#	User	Length	Language	Date
1	Norbert Voelker	1321	Go	2022-06-15 01:07:13
2	Paul Boddington	1424	Go	2016-05-18 17:51:10

#	User	Length	Language	Date
1	Doug Goodman	920	Java	2018-04-08 19:35:06
2	Innocent Nsabimana	1513	Java	2018-10-25 00:25:07
3	Ivan Marriott	1639	Java	2025-10-26 23:29:09
4	Crystal Sharpe	1775	Java	2020-08-10 05:15:12
5	Tan Xing Zhong	1818	Java	2024-11-17 18:24:46
6	Maxim Kornienko	1830	Java	2016-05-29 00:51:09
7	Jacob Burroughs	1867	Java	2017-05-06 21:51:38
8	Olaf Erkemeij	2000	Java	2021-02-24 23:17:09
9	Erik Baalhuis	2004	Java	2016-08-01 17:01:56
10	USaskAdvanced2	2067	Java	2025-02-22 20:29:40

#	User	Length	Language	Date
1	Christian Pilegaard Cederquist	730	JavaScript (SpiderMonkey)	2023-10-08 23:12:45

#	User	Length	Language	Date
1	Hidden user	1157	Kotlin	2019-12-14 02:20:32
2	Phường Lên	1171	Kotlin	2019-12-14 00:32:45

#	User	Length	Language	Date
1	Oskar Haarklou Veileborg	620	Python 2	2020-02-03 14:53:30
2	Andreas Björklund	732	Python 2	2019-05-19 10:10:28
3	Lars Åström	784	Python 2	2018-07-09 21:03:57
4	Sigurður Jens Albertsson	1645	Python 2	2017-11-14 19:25:22

#	User	Length	Language	Date
1	Ahmed Chamseddine	387	Python 3	2025-06-21 23:46:01
2	Christian Lindeström	529	Python 3	2016-08-29 00:42:47
3	Cheng Hang	577	Python 3	2018-01-22 15:11:35
4	Nicholas Russell Saerang	580	Python 3	2024-04-27 08:47:00
5	Casper Rysgaard	601	Python 3	2021-04-06 11:13:40
6	USaskAdvanced12	659	Python 3	2025-02-22 19:24:37
7	Quirijn Boeren	708	Python 3	2021-02-25 18:40:35
8	Rabnoor Singh	720	Python 3	2023-10-12 03:21:49
9	Hidden user	721	Python 3	2025-11-04 00:20:20
10	Ulrich Goertz	728	Python 3	2017-08-27 00:16:29

#	User	Length	Language	Date
1	Eric Pinter	1729	Rust	2020-08-06 20:48:21
2	Vincent Lagerros	52988	Rust	2025-05-03 21:28:15

Solution running time distribution