Problem I
X-ray spectrum — Problem Statistics

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Submissions	329
Accepted submissions	78
Submission ratio	23.71%
Authors	76
Full solves [?]	62
Full solve Ratio	81.58%

#	User	Runtime	Language	Date
1	Paul Arden	0.26 s	C	2025-03-26 13:44:56

#	User	Runtime	Language	Date
1	Dmitry Lyubshin	0.00 s	C++	2018-03-04 19:49:46
2	Xuan Tung Nguyen	0.00 s	C++	2020-03-05 06:56:27
3	Jeroen Op de Beek	0.00 s	C++	2023-11-27 19:13:46
4	Yuliy Daniel	0.00 s	C++	2025-03-28 21:59:58
5	Ragnar Groot Koerkamp	0.01 s	C++	2016-02-14 22:28:04
6	Timon Knigge	0.01 s	C++	2016-02-14 23:16:11
7	Bjarki Ágúst Guðmundsson	0.01 s	C++	2016-06-02 17:24:58
8	David Pal	0.01 s	C++	2017-02-03 03:55:19
9	Josenildo Silva	0.01 s	C++	2017-02-16 02:12:50
10	Arnav Sastry	0.01 s	C++	2018-03-07 02:26:05

#	User	Runtime	Language	Date
1	Erik Baalhuis	0.10 s	Java	2016-08-21 13:31:21
2	Nick Wu	0.39 s	Java	2016-07-09 21:34:38
3	Erik Odenman	0.50 s	Java	2011-09-29 16:29:39

#	User	Runtime	Language	Date
1	Andreas Björklund	0.05 s	Python 2	2020-09-20 14:00:00
2	Lars Åström	0.08 s	Python 2	2019-06-11 22:27:48

#	User	Runtime	Language	Date
1	sannidhi krishna	0.09 s	Python 3	2022-01-23 10:48:03
2	Nicholas Russell Saerang	0.11 s	Python 3	2025-03-27 03:48:19
3	alexandre tranie	0.18 s	Python 3	2025-03-25 21:42:08
4	Oskar Haarklou Veileborg	0.39 s	Python 3	2020-05-27 22:09:10
5	Ivan Bomko	0.58 s	Python 3	2025-10-13 20:38:14
6	UTM CS AI	0.76 s	Python 3	2024-10-04 18:48:46

#	User	Length	Language	Date
1	Paul Arden	1735	C	2025-03-26 13:45:45

#	User	Length	Language	Date
1	Ragur Krishnan	828	C++	2020-01-15 05:07:24
2	Charlie Liu	864	C++	2022-02-26 20:40:51
3	Jeffrey Lee	871	C++	2019-02-16 07:32:02
4	Johan Wind	905	C++	2018-05-10 12:43:25
5	Xuan Tung Nguyen	986	C++	2020-03-05 06:56:27
6	Dave Wong	991	C++	2019-02-16 07:50:01
7	Xing Yang Shen	1061	C++	2019-02-16 09:08:39
8	Atli Fannar Franklín	1067	C++	2019-02-25 19:11:33
9	Josenildo Silva	1076	C++	2017-02-16 02:12:50
10	Jamie Lim Jia Sin	1151	C++	2019-02-16 09:14:30

#	User	Length	Language	Date
1	Erik Baalhuis	1966	Java	2016-08-21 13:31:21
2	Erik Odenman	2233	Java	2011-09-29 16:29:39
3	Nick Wu	2642	Java	2016-07-09 21:34:38

#	User	Length	Language	Date
1	Andreas Björklund	531	Python 2	2020-09-20 14:00:00
2	Lars Åström	1312	Python 2	2019-06-11 22:27:48

#	User	Length	Language	Date
1	Oskar Haarklou Veileborg	536	Python 3	2020-05-27 22:09:10
2	Nicholas Russell Saerang	691	Python 3	2025-06-09 19:26:01
3	alexandre tranie	1244	Python 3	2025-03-25 21:42:08
4	sannidhi krishna	1259	Python 3	2022-01-23 10:48:03
5	UTM CS AI	2067	Python 3	2024-10-04 18:48:46
6	Ivan Bomko	2769	Python 3	2025-10-13 20:38:14

Solution running time distribution