Problem C
Reduced ID Numbers — Problem Statistics

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Submissions	2305
Accepted submissions	1030
Submission ratio	44.69%
Authors	768
Full solves [?]	699
Full solve Ratio	91.02%

#	User	Runtime	Language	Date
1	Bergur Snorrason	0.03 s	C	2018-12-17 09:09:42
2	Ivan Petrov	0.04 s	C	2019-07-23 13:18:28
3	junhao Lin	0.06 s	C	2022-11-25 07:23:50
4	Sambit Palit	0.10 s	C	2020-11-10 05:25:55
5	Hidden user	0.39 s	C	2019-05-05 05:15:12
6	劉力勳	0.40 s	C	2022-12-02 10:02:49
7	FISH MARS & 芋仔	0.40 s	C	2022-12-02 10:06:30
8	Jacob Phillips	0.43 s	C	2025-04-21 23:16:37
9	邱彥誌	0.46 s	C	2022-12-04 07:02:14
10	Chang Jie Leong	0.49 s	C	2019-05-05 06:14:16

#	User	Runtime	Language	Date
1	Գոռ Բաղդասարյան	0.27 s	C#	2025-11-21 13:02:39
2	Andriy Zyevakov	0.36 s	C#	2023-01-18 18:02:18
3	Tom Ilestrand	0.38 s	C#	2019-04-04 12:11:18
4	Mikael Fiala-Lundström	0.82 s	C#	2021-07-06 21:23:22

#	User	Runtime	Language	Date
1	Hidden user	0.00 s	C++	2019-12-02 14:11:37
2	Tan Jun An	0.02 s	C++	2017-12-20 05:24:49
3	Johan Wind	0.02 s	C++	2018-03-19 01:56:08
4	Armen Andreasyan	0.02 s	C++	2019-01-05 09:01:25
5	Scott MacIntosh	0.02 s	C++	2019-10-11 02:04:20
6	Christopher MacDonald	0.02 s	C++	2019-10-23 18:15:07
7	人外沙耶	0.02 s	C++	2021-06-25 01:03:05
8	蔡易霖	0.02 s	C++	2022-04-09 02:47:13
9	顏冬旭	0.02 s	C++	2022-04-27 06:37:30
10	Hidden user	0.02 s	C++	2022-05-25 15:58:06

#	User	Runtime	Language	Date
1	Hidden user	0.20 s	Common Lisp	2019-08-05 02:18:55

#	User	Runtime	Language	Date
1	Jacob Harris Cryer Kragh	0.70 s	F#	2023-01-10 17:06:28

#	User	Runtime	Language	Date
1	Norbert Voelker	0.27 s	Go	2021-09-13 17:49:48

#	User	Runtime	Language	Date
1	Liam Keliher	0.09 s	Java	2017-12-11 21:49:40
2	Sven Rönnbäck	0.10 s	Java	2022-11-20 16:14:56
3	Intrets	0.12 s	Java	2019-11-30 19:59:52
4	José Vander Meulen	0.15 s	Java	2018-02-21 22:56:27
5	Steven Cheng	0.18 s	Java	2020-05-04 21:51:41
6	Loic Lecharlier	0.25 s	Java	2018-02-23 19:44:01
7	Josenildo Silva	0.27 s	Java	2018-11-21 22:47:44
8	Bjørn Dons	0.27 s	Java	2019-01-02 22:46:26
9	Hidden user	0.28 s	Java	2020-11-16 19:31:09
10	Benjamin Chen	0.28 s	Java	2022-02-19 00:19:32

#	User	Runtime	Language	Date
1	Christian Pilegaard Cederquist	0.09 s	JavaScript (SpiderMonkey)	2023-03-16 06:59:28
2	Bjørn Chr. Soltvedt	0.95 s	JavaScript (SpiderMonkey)	2020-08-26 23:21:02

#	User	Runtime	Language	Date
1	Timothy Gaede	0.61 s	Julia	2024-04-14 06:32:23

#	User	Runtime	Language	Date
1	Eric Huynh	0.72 s	Kotlin	2019-02-03 01:43:47
2	Hidden user	0.76 s	Kotlin	2020-03-05 23:33:54
3	Phường Lên	0.77 s	Kotlin	2020-02-03 18:56:34
4	Adam Rankin	0.83 s	Kotlin	2023-04-27 22:49:00

#	User	Runtime	Language	Date
1	Hidden user	0.06 s	Python 2	2019-12-01 20:46:02
2	Hidden user	0.22 s	Python 2	2017-12-08 14:53:30
3	Peter Beattie	0.36 s	Python 2	2018-04-09 13:43:37
4	Hermon Mulat	0.36 s	Python 2	2018-09-10 02:25:11
5	Kasra Ghodsi	0.36 s	Python 2	2018-10-13 16:27:08
6	Ram Basnet	0.36 s	Python 2	2018-12-06 19:54:43
7	Andreas Björklund	0.36 s	Python 2	2018-12-14 05:12:02
8	Johann Ly	0.36 s	Python 2	2018-12-17 08:40:35
9	Florian Cassayre	0.36 s	Python 2	2019-03-29 13:00:53
10	Brian Bui	0.37 s	Python 2	2019-11-15 23:05:09

#	User	Runtime	Language	Date
1	Garway Mei	0.17 s	Python 3	2025-04-21 22:57:02
2	Hidden user	0.20 s	Python 3	2019-12-02 14:14:13
3	Ocram Esah	0.27 s	Python 3	2022-04-01 17:31:08
4	Ola Dahl	0.35 s	Python 3	2023-01-01 10:42:53
5	Samuel McDowell	0.38 s	Python 3	2025-03-27 21:54:36
6	Tristan Curtis	0.38 s	Python 3	2025-04-21 21:43:23
7	Christopher Marquez	0.38 s	Python 3	2025-05-06 20:28:31
8	Kadin Matotek	0.38 s	Python 3	2025-06-15 09:46:37
9	Hidden user	0.38 s	Python 3	2025-07-26 16:48:15
10	Hrant Hovhannisyan	0.38 s	Python 3	2025-09-03 08:08:32

#	User	Runtime	Language	Date
1	Vincent Lagerros	0.02 s	Rust	2025-07-25 16:23:49
2	Loïc CARR	0.21 s	Rust	2018-12-15 18:17:50
3	David Rasch	0.32 s	Rust	2023-09-15 09:37:11
4	Anthony Audoin	0.34 s	Rust	2021-01-23 15:19:39
5	Benjamin Crocker	0.52 s	Rust	2024-09-23 16:58:08
6	Stephen Downward	0.56 s	Rust	2020-09-14 19:53:32
7	Bas Dirks	0.58 s	Rust	2022-01-19 22:01:14
8	Eric Pinter	0.66 s	Rust	2020-06-02 09:07:24

#	User	Length	Language	Date
1	劉力勳	433	C	2022-12-02 10:02:49
2	FISH MARS & 芋仔	457	C	2022-12-02 10:06:30
3	junhao Lin	462	C	2022-11-25 07:23:50
4	Chang Jie Leong	521	C	2019-05-05 06:14:16
5	Jacob Phillips	558	C	2025-04-21 23:16:37
6	Ivan Petrov	573	C	2019-07-23 13:18:28
7	Hidden user	659	C	2019-05-05 05:15:12
8	Sambit Palit	660	C	2020-11-10 05:25:55
9	邱彥誌	791	C	2022-12-04 07:02:14
10	Bergur Snorrason	4869	C	2018-12-17 09:09:42

#	User	Length	Language	Date
1	Գոռ Բաղդասարյան	881	C#	2025-11-21 13:02:39
2	Tom Ilestrand	960	C#	2019-04-04 12:11:18
3	Mikael Fiala-Lundström	968	C#	2021-07-06 21:23:22
4	Andriy Zyevakov	7754	C#	2023-01-18 18:02:18

#	User	Length	Language	Date
1	Onea Adrian	276	C++	2021-04-10 06:36:00
2	Ping	332	C++	2024-05-23 14:09:53
3	蘇子甯J106 25	332	C++	2025-05-31 02:42:58
4	刀影雷文	345	C++	2025-05-27 11:40:09
5	程睿	353	C++	2025-08-11 06:27:45
6	at c	354	C++	2023-04-20 17:57:28
7	eden cheng	355	C++	2025-07-05 03:01:53
8	Zane Yu	356	C++	2019-01-23 12:35:45
9	YanHao Ling	360	C++	2018-03-04 08:53:35
10	Christian Yongwhan Lim	361	C++	2023-06-02 22:46:48

#	User	Length	Language	Date
1	Hidden user	451	Common Lisp	2019-08-05 01:30:54

#	User	Length	Language	Date
1	Jacob Harris Cryer Kragh	630	F#	2023-01-10 17:06:28

#	User	Length	Language	Date
1	Norbert Voelker	1630	Go	2021-09-13 17:49:48

#	User	Length	Language	Date
1	Doug Goodman	515	Java	2018-04-16 18:11:52
2	Mark Wen	527	Java	2022-02-18 23:45:37
3	Josenildo Silva	534	Java	2018-11-21 22:47:44
4	Thomas King	552	Java	2020-04-15 16:14:44
5	Oskar Larsson	613	Java	2018-10-01 05:50:33
6	Ibraheem Aloran	618	Java	2019-09-27 01:53:20
7	Hidden user	620	Java	2019-04-06 22:02:47
8	Firaol Bulo	633	Java	2023-10-29 18:27:37
9	David Van Nguyen	644	Java	2024-07-14 02:25:07
10	Osama Hajjouz	655	Java	2024-04-15 00:16:19

#	User	Length	Language	Date
1	Christian Pilegaard Cederquist	434	JavaScript (SpiderMonkey)	2023-03-16 06:59:28
2	Bjørn Chr. Soltvedt	552	JavaScript (SpiderMonkey)	2020-08-26 23:01:38

#	User	Length	Language	Date
1	Timothy Gaede	1124	Julia	2024-04-14 06:32:23

#	User	Length	Language	Date
1	Adam Rankin	334	Kotlin	2023-04-27 22:49:00
2	Eric Huynh	574	Kotlin	2019-02-03 01:43:47
3	Phường Lên	805	Kotlin	2020-02-03 18:56:34
4	Hidden user	919	Kotlin	2020-03-05 23:33:54

#	User	Length	Language	Date
1	Lars Åström	144	Python 2	2019-11-08 14:15:50
2	Hidden user	151	Python 2	2018-09-01 22:41:24
3	João Pedro Alvito	191	Python 2	2018-12-17 22:17:41
4	Ciara Godwin	203	Python 2	2017-12-09 15:30:50
5	Johann Ly	262	Python 2	2018-12-17 08:40:35
6	Andreas Björklund	271	Python 2	2018-12-14 05:12:02
7	Riko Jacob	284	Python 2	2020-11-27 12:53:20
8	Brian Bui	286	Python 2	2019-11-15 23:05:09
9	Alexander Viklund	288	Python 2	2019-03-29 12:41:31
10	Hidden user	297	Python 2	2017-12-08 14:53:30

#	User	Length	Language	Date
1	Thomas Feld	69	Python 3	2023-03-09 13:12:16
2	Benjamin Z White	69	Python 3	2023-05-20 10:33:51
3	Clement Oh	69	Python 3	2023-07-02 05:35:45
4	Lawry Sorenson	72	Python 3	2025-10-31 00:08:10
5	Lee Isaac	94	Python 3	2022-11-12 20:04:45
6	Guk Yi Siong	94	Python 3	2025-01-07 04:39:31
7	Christofer Ohlsson	111	Python 3	2022-10-05 11:22:09
8	David Aldenbro	116	Python 3	2025-08-27 20:46:01
9	Ahmed Chamseddine	117	Python 3	2024-09-13 07:35:02
10	Hidden user	119	Python 3	2022-12-04 22:31:06

#	User	Length	Language	Date
1	David Rasch	471	Rust	2023-09-15 09:37:11
2	Vincent Lagerros	491	Rust	2025-06-11 11:26:55
3	Benjamin Crocker	603	Rust	2024-09-23 16:58:08
4	Bas Dirks	683	Rust	2022-01-19 22:01:14
5	Stephen Downward	768	Rust	2020-09-14 19:53:32
6	Loïc CARR	953	Rust	2018-12-15 18:17:50
7	Anthony Audoin	987	Rust	2021-01-23 15:19:39
8	Eric Pinter	1172	Rust	2020-06-02 09:07:24

Solution running time distribution