Problem A
Nine Packs — Problem Statistics

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Submissions	5224
Accepted submissions	1600
Submission ratio	30.63%
Authors	1460
Accepted authors	1194
Author ratio	81.78%

#	User	Runtime	Language	Date
1	Chenzhang Hu	0.09 s	Bash	2024-04-17 18:52:11

#	User	Runtime	Language	Date
1	Eyleifur Bjarkason	0.01 s	C	2021-08-29 01:31:10
2	Hidden user	0.01 s	C	2023-11-06 11:00:49
3	Hidden user	0.02 s	C	2017-11-16 08:32:59
4	Ivan Petrov	0.02 s	C	2019-10-07 16:01:39
5	Vương Thiện Trung	0.02 s	C	2020-11-13 01:40:05
6	Abhinav Dusi	0.02 s	C	2021-10-15 06:49:13
7	Daniel	0.02 s	C	2021-12-09 18:46:56
8	Nick Hargrove	0.02 s	C	2022-04-23 05:37:13
9	Muhammad Tahir Ghazi	0.02 s	C	2024-02-27 16:15:32
10	Hidden user	0.02 s	C	2024-02-29 11:53:06

#	User	Runtime	Language	Date
1	Zak Stroud	0.10 s	C#	2018-09-09 18:26:00
2	Ilia Volkov	0.41 s	C#	2016-11-01 12:40:26

#	User	Runtime	Language	Date
1	Nimesh Ghelani	0.00 s	C++	2016-09-24 20:24:22
2	Rehim Memmedli	0.00 s	C++	2016-11-11 02:21:32
3	Lars Bysheim	0.00 s	C++	2023-02-24 12:58:02
4	Arha Gatram	0.00 s	C++	2023-10-28 23:28:20
5	Yujie An	0.01 s	C++	2016-09-24 18:23:07
6	Jacob Jackson	0.01 s	C++	2016-09-24 18:54:29
7	Lingsong Zeng	0.01 s	C++	2016-09-24 18:56:15
8	Vishnu Narayan	0.01 s	C++	2016-09-24 19:11:08
9	Samadwara Reddy	0.01 s	C++	2016-09-24 19:15:45
10	Dawon Lee	0.01 s	C++	2016-09-24 19:22:15

#	User	Runtime	Language	Date
1	Hugo Sansaqua	0.06 s	Common Lisp	2020-05-01 12:52:52

#	User	Runtime	Language	Date
1	Mickey J Chao	0.09 s	Java	2016-09-24 20:29:58
2	Christopher	0.09 s	Java	2023-12-03 21:02:24
3	Andrei Mjastsov	0.09 s	Java	2025-05-23 11:28:50
4	Nick Wu	0.10 s	Java	2016-09-24 18:24:22
5	Lewin Gan	0.10 s	Java	2016-09-24 18:36:51
6	Jeffrey Xiao	0.10 s	Java	2016-09-24 19:27:16
7	Julien He	0.10 s	Java	2016-09-24 21:38:35
8	Erik Baalhuis	0.10 s	Java	2016-10-04 15:36:20
9	Sharon Barak	0.10 s	Java	2017-10-02 19:45:37
10	陈子晗	0.10 s	Java	2024-12-04 02:54:17

#	User	Runtime	Language	Date
1	Christian Cederquist	0.86 s	JavaScript (SpiderMonkey)	2023-07-05 17:44:08

#	User	Runtime	Language	Date
1	Noszály Csaba	0.50 s	Julia	2025-03-15 14:47:58

#	User	Runtime	Language	Date
1	Jacob Huebner	0.19 s	Kotlin	2020-04-27 09:26:32
2	Phường Lên	0.66 s	Kotlin	2020-08-13 04:31:22

#	User	Runtime	Language	Date
1	Joel Newman	0.01 s	OCaml	2023-09-29 21:36:44

#	User	Runtime	Language	Date
1	Namgun Kim	0.06 s	Python 2	2016-09-24 21:23:37
2	Michael Laszlo	0.07 s	Python 2	2016-09-24 18:34:47
3	Hidden user	0.07 s	Python 2	2017-05-15 10:51:42
4	Borui Lin	0.08 s	Python 2	2016-09-24 20:15:30
5	Vishwa Iyer	0.08 s	Python 2	2016-09-25 04:23:45
6	Eric Williamson	0.09 s	Python 2	2017-09-06 03:15:51
7	Andreas Björklund	0.10 s	Python 2	2019-06-10 06:50:56
8	Lars Åström	0.10 s	Python 2	2019-10-01 16:04:17
9	Ted Ying	0.12 s	Python 2	2016-09-24 18:26:08
10	Godmar Back	0.13 s	Python 2	2016-09-26 04:45:54

#	User	Runtime	Language	Date
1	Artjom Hruljov	0.06 s	Python 3	2025-04-20 12:11:36
2	Nikolaus Engh	0.07 s	Python 3	2023-02-26 14:32:50
3	Michael Goldwasser	0.07 s	Python 3	2024-09-19 08:25:51
4	Max Eskenazi	0.07 s	Python 3	2024-10-03 05:28:52
5	Chang, Shaoyuan	0.07 s	Python 3	2024-10-14 00:46:54
6	Nicholas Bianchi	0.07 s	Python 3	2025-03-24 17:36:55
7	Damian Otero	0.07 s	Python 3	2025-03-24 20:05:07
8	Dmitri Gaspard	0.07 s	Python 3	2025-03-24 21:20:40
9	Michael Lavin	0.07 s	Python 3	2025-03-25 01:38:57
10	egert adramus	0.07 s	Python 3	2025-04-15 15:58:02

#	User	Runtime	Language	Date
1	Vincent Lagerros	0.00 s	Rust	2025-05-17 18:38:02
2	Rolf Martin Glomsrud	0.01 s	Rust	2023-02-14 09:32:29
3	Florian Nagel	0.03 s	Rust	2019-12-12 18:15:05
4	Louis Bouchard	0.09 s	Rust	2024-10-08 03:13:08
5	Daniel Liland	0.16 s	Rust	2023-02-13 17:33:42
6	Thomas Hügel	0.17 s	Rust	2021-01-02 13:10:13

#	User	Length	Language	Date
1	Chenzhang Hu	5	Bash	2024-04-17 18:52:11

#	User	Length	Language	Date
1	Hidden user	747	C	2024-02-29 11:53:06
2	Vương Thiện Trung	947	C	2020-11-13 01:40:05
3	Ivan Petrov	1089	C	2019-10-07 16:01:39
4	Hidden user	1135	C	2023-11-06 11:00:49
5	Abhinav Dusi	1208	C	2021-10-15 06:49:13
6	Christian Lindeström	1275	C	2016-10-06 18:22:39
7	Daniel	1286	C	2021-12-09 18:46:56
8	Muhammad Tahir Ghazi	1322	C	2024-02-27 16:15:32
9	Samuel Deutsch	1392	C	2020-10-21 09:06:13
10	Hidden user	1532	C	2017-11-16 08:32:59

#	User	Length	Language	Date
1	Ilia Volkov	2993	C#	2016-11-01 12:40:26
2	Zak Stroud	4386	C#	2018-09-09 18:26:00

#	User	Length	Language	Date
1	Johan Wind	495	C++	2017-05-28 23:40:23
2	Thiên Tài Zero	576	C++	2017-10-17 17:12:10
3	Pakorn Ueareeworakul	602	C++	2018-02-17 12:28:32
4	Phan Nhat Khang	610	C++	2016-10-01 09:12:01
5	Hidden user	610	C++	2016-09-24 18:28:37
6	Zane Yu	613	C++	2019-01-10 13:38:06
7	Albert Gevorgyan	672	C++	2016-09-24 19:26:04
8	Zhuoli Xie	679	C++	2020-10-31 21:09:40
9	Gao Tianrun	690	C++	2023-09-21 16:22:22
10	Alex Dai	694	C++	2016-09-24 20:33:45

#	User	Length	Language	Date
1	Hugo Sansaqua	4538	Common Lisp	2020-05-01 12:51:08

#	User	Length	Language	Date
1	Jiru Xu	917	Java	2016-10-20 03:13:37
2	Andy Phan	926	Java	2019-02-08 22:16:44
3	Ronald Rojas	986	Java	2017-10-01 22:40:04
4	Albert Luu	1029	Java	2016-09-24 21:10:40
5	Doug Goodman	1030	Java	2018-03-05 21:43:17
6	Darrin Wiley	1046	Java	2016-09-24 18:30:50
7	Ahmad Barhamje	1094	Java	2019-02-08 23:04:10
8	Josh Wozniak	1138	Java	2019-02-08 23:10:00
9	Milo Shelton	1141	Java	2021-12-10 00:07:55
10	Darrin Wiley	1149	Java	2020-09-10 00:34:31

#	User	Length	Language	Date
1	Christian Cederquist	961	JavaScript (SpiderMonkey)	2023-07-05 17:44:08

#	User	Length	Language	Date
1	Noszály Csaba	586	Julia	2025-03-15 14:47:58

#	User	Length	Language	Date
1	Jacob Huebner	1118	Kotlin	2022-01-16 07:04:25
2	Phường Lên	2118	Kotlin	2020-08-13 04:31:22

#	User	Length	Language	Date
1	Joel Newman	3847	OCaml	2023-09-29 21:36:44

#	User	Length	Language	Date
1	Ted Ying	408	Python 2	2016-09-24 18:26:08
2	Thomas Feld	427	Python 2	2020-07-02 12:58:50
3	Andreas Björklund	459	Python 2	2019-06-10 06:50:56
4	Lars Åström	573	Python 2	2019-10-01 16:04:17
5	Oskar Haarklou Veileborg	585	Python 2	2019-12-13 10:32:48
6	Eric Williamson	609	Python 2	2017-09-06 03:15:51
7	Godmar Back	757	Python 2	2016-09-26 04:35:30
8	Borui Lin	821	Python 2	2016-09-24 20:15:30
9	Namgun Kim	898	Python 2	2016-09-24 21:23:37
10	Vishwa Iyer	909	Python 2	2016-09-25 04:23:45

#	User	Length	Language	Date
1	Benjamin Ye	163	Python 3	2024-01-31 23:30:33
2	Michael Goldwasser	230	Python 3	2024-09-19 08:34:11
3	Simon Andersen	283	Python 3	2023-02-20 12:54:24
4	Anshuman Dash	301	Python 3	2024-01-30 04:10:30
5	鄭博文	375	Python 3	2023-05-23 14:03:42
6	Lennart Meyling	430	Python 3	2023-07-26 13:01:00
7	Thomas Draper	438	Python 3	2023-04-15 01:32:16
8	Daniel Lokshtanov	444	Python 3	2024-02-05 00:25:34
9	Hidden user	453	Python 3	2021-05-07 11:37:46
10	Saad Zellag	496	Python 3	2024-09-30 02:22:11

#	User	Length	Language	Date
1	Daniel Liland	1514	Rust	2023-02-13 17:33:42
2	Rolf Martin Glomsrud	1836	Rust	2023-02-14 09:32:29
3	Louis Bouchard	1940	Rust	2024-10-08 03:13:08
4	Florian Nagel	2230	Rust	2019-12-12 18:15:05
5	Thomas Hügel	2316	Rust	2021-01-02 13:10:13
6	Vincent Lagerros	63611	Rust	2025-05-17 18:38:02

Solution running time distribution