Problem B
Trick or Treat — Problem Statistics

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Submissions	3742
Accepted submissions	1128
Submission ratio	30.14%
Authors	784
Full solves [?]	698
Full solve Ratio	89.03%

#	User	Runtime	Language	Date
1	Bergur Snorrason	0.07 s	C	2019-03-05 13:35:43
2	Eyleifur Bjarkason	0.08 s	C	2019-04-03 11:02:14
3	Hidden user	0.20 s	C	2019-08-20 21:49:31
4	USaskAdvanced9	0.23 s	C	2025-10-04 19:46:03
5	Ivan Petrov	0.25 s	C	2019-05-23 07:05:51
6	Sambit Palit	0.30 s	C	2020-12-09 17:25:28
7	Bóas Guðjónsson	0.32 s	C	2023-04-04 00:10:40
8	Sabit Zahin	0.61 s	C	2015-10-20 18:25:22

#	User	Runtime	Language	Date
1	Nathan Andrews	1.74 s	C#	2024-10-15 20:36:40

#	User	Runtime	Language	Date
1	Garðar Ingvarsson	0.11 s	C++	2019-04-05 04:20:04
2	Hidden user	0.21 s	C++	2011-02-28 23:58:22
3	Hidden user	0.22 s	C++	2013-10-27 20:47:09
4	Jonas Kylling	0.22 s	C++	2014-12-15 10:26:18
5	Isabel Ramirez	0.23 s	C++	2022-03-20 03:11:02
6	Markus Mathiasen	0.23 s	C++	2022-08-04 18:02:39
7	Tan Chee Heng	0.24 s	C++	2018-04-22 12:41:00
8	Akash Ramesh Rao	0.24 s	C++	2020-03-02 06:11:50
9	Siman Shrestha	0.24 s	C++	2020-03-22 22:26:36
10	Víctor Hugo	0.24 s	C++	2021-03-04 05:33:12

#	User	Runtime	Language	Date
1	Nathan Lee	0.24 s	Go	2025-10-19 14:11:38
2	Norbert Voelker	0.94 s	Go	2022-06-18 21:44:02

#	User	Runtime	Language	Date
1	William Fiset	0.35 s	Java	2017-02-21 13:25:58
2	Bjørn Dons	0.50 s	Java	2022-12-29 19:29:46
3	Doug Goodman	0.68 s	Java	2018-06-05 20:47:39
4	Santiago Rivas	0.70 s	Java	2025-08-28 17:00:00
5	Micah Stairs	0.72 s	Java	2017-02-13 14:50:33
6	Crystal Sharpe	0.76 s	Java	2021-03-21 03:40:02
7	Magnar Myrtveit	0.78 s	Java	2015-05-03 21:51:50
8	Martijn Muijsers	0.82 s	Java	2020-08-17 19:31:59
9	Rohan Agrawal	0.83 s	Java	2020-03-18 03:58:40
10	Tanner Hoke	0.84 s	Java	2020-03-16 15:46:17

#	User	Runtime	Language	Date
1	Kate Eckhart	0.94 s	JavaScript (Node.js)	2021-02-22 20:08:59

#	User	Runtime	Language	Date
1	Johannes Jensen	0.91 s	JavaScript (SpiderMonkey)	2022-01-05 13:59:45
2	Christian Pilegaard Cederquist	1.42 s	JavaScript (SpiderMonkey)	2023-07-23 19:30:09

#	User	Runtime	Language	Date
1	How Si Wei	1.34 s	OCaml	2020-07-10 07:35:50

#	User	Runtime	Language	Date
1	Maj Stenmark	0.49 s	Python 2	2019-10-18 18:29:39
2	Jordan James	0.51 s	Python 2	2018-03-17 15:54:37
3	Juliang Li	0.58 s	Python 2	2018-03-03 23:30:52
4	Steven Tran	0.88 s	Python 2	2018-03-10 21:57:11
5	Lars Åström	1.01 s	Python 2	2019-10-30 15:58:18
6	Tyler Durden	1.06 s	Python 2	2018-03-05 18:31:25
7	Jordan James	1.08 s	Python 2	2018-03-17 16:13:47
8	Julio Maldonado	1.10 s	Python 2	2019-03-16 05:12:22
9	Måns Magnusson	1.17 s	Python 2	2018-10-29 20:59:53
10	Oskar Larsson	1.48 s	Python 2	2019-04-02 12:24:45

#	User	Runtime	Language	Date
1	Hidden user	0.56 s	Python 3	2025-12-15 04:25:59
2	Eduardo Alvarez Hernandez	0.62 s	Python 3	2025-03-15 04:30:48
3	Hidden user	0.63 s	Python 3	2023-03-27 07:08:53
4	Benjamin Z White	0.63 s	Python 3	2023-08-30 09:25:22
5	Keshav Dharshan	0.63 s	Python 3	2025-03-14 02:20:09
6	Joseph Chau	0.66 s	Python 3	2024-03-30 23:38:07
7	Ryuki Kobayashi	0.67 s	Python 3	2021-03-14 05:05:25
8	Hidden user	0.67 s	Python 3	2023-03-11 03:09:31
9	Semion Dyadkin	0.67 s	Python 3	2024-03-12 18:43:47
10	Simon Varadaraj	0.68 s	Python 3	2024-03-11 07:20:23

#	User	Runtime	Language	Date
1	Vincent Lagerros	0.05 s	Rust	2025-05-18 00:24:06
2	Muhammad Sohail	0.14 s	Rust	2024-09-20 04:18:49
3	Mckinley Xie	0.17 s	Rust	2025-03-13 05:04:13

#	User	Runtime	Language	Date
1	Hidden user	1.05 s	Swift	2023-10-05 10:26:38

#	User	Length	Language	Date
1	Sabit Zahin	1088	C	2015-10-20 18:25:22
2	Ivan Petrov	1377	C	2019-05-23 07:05:51
3	Hidden user	1483	C	2019-08-20 21:49:31
4	Sambit Palit	1616	C	2020-12-09 17:25:28
5	USaskAdvanced9	1795	C	2025-10-04 19:46:03
6	Bergur Snorrason	2571	C	2019-03-05 13:33:27
7	Bóas Guðjónsson	4715	C	2023-04-04 00:10:40
8	Eyleifur Bjarkason	5897	C	2019-04-02 20:39:28

#	User	Length	Language	Date
1	Nathan Andrews	1265	C#	2024-10-15 20:36:40

#	User	Length	Language	Date
1	Adil Rasiyani	502	C++	2023-03-12 05:11:00
2	Markus Mathiasen	601	C++	2022-08-04 18:02:39
3	Maximiliano Pombo	692	C++	2024-03-15 17:15:40
4	Richard Fu	697	C++	2022-03-17 20:44:10
5	Hyunjun Lee	702	C++	2022-12-11 01:05:02
6	Hidden user	703	C++	2018-03-09 21:41:00
7	Gabriele Genta	703	C++	2025-10-01 08:26:12
8	Thái Trung Đức	724	C++	2016-11-06 08:00:24
9	Reginald Frank	725	C++	2019-04-24 04:50:00
10	rebekka	726	C++	2019-04-10 10:05:46

#	User	Length	Language	Date
1	Nathan Lee	1535	Go	2025-10-19 14:11:38
2	Norbert Voelker	1940	Go	2022-06-18 21:41:01

#	User	Length	Language	Date
1	Doug Goodman	1285	Java	2018-06-05 20:47:39
2	Crystal Sharpe	1286	Java	2021-03-21 03:40:02
3	Mikhail Lavrenov	1358	Java	2024-09-24 01:59:24
4	Nick Wu	1412	Java	2015-10-19 01:23:40
5	Micah Stairs	1502	Java	2017-02-13 14:50:33
6	Hidden user	1536	Java	2020-03-20 06:56:33
7	Finn Lidbetter	1598	Java	2017-02-13 15:02:30
8	Felix Halim	1631	Java	2020-07-08 05:16:20
9	Magnar Myrtveit	1661	Java	2015-05-03 21:51:50
10	Martijn Muijsers	1678	Java	2020-08-17 19:31:59

#	User	Length	Language	Date
1	Kate Eckhart	1983	JavaScript (Node.js)	2021-02-22 08:51:57

#	User	Length	Language	Date
1	Christian Pilegaard Cederquist	806	JavaScript (SpiderMonkey)	2023-07-23 19:30:09
2	Johannes Jensen	1407	JavaScript (SpiderMonkey)	2022-01-05 13:59:45

#	User	Length	Language	Date
1	How Si Wei	868	OCaml	2020-07-10 07:48:05

#	User	Length	Language	Date
1	Lars Åström	411	Python 2	2019-10-30 15:58:18
2	Måns Magnusson	575	Python 2	2018-10-29 20:59:53
3	Maj Stenmark	835	Python 2	2019-10-18 18:29:39
4	Jordan James	905	Python 2	2018-03-17 16:13:47
5	Juliang Li	939	Python 2	2018-03-03 23:30:52
6	Jordan James	944	Python 2	2018-03-17 15:54:37
7	Oskar Larsson	972	Python 2	2019-04-02 12:24:45
8	Tyler Durden	1016	Python 2	2018-03-05 18:31:25
9	Steven Tran	1085	Python 2	2018-03-10 21:57:11
10	Julio Maldonado	1223	Python 2	2019-03-16 05:12:22

#	User	Length	Language	Date
1	Jón Atli Guðmundsson	261	Python 3	2024-09-22 22:14:52
2	Ahmed Chamseddine	273	Python 3	2025-06-11 18:59:18
3	Peter Stauder	299	Python 3	2023-05-18 13:44:31
4	Nicholas Russell Saerang	432	Python 3	2023-08-22 19:14:26
5	Kelly Dance	436	Python 3	2022-09-06 03:19:01
6	Andreas Björklund	534	Python 3	2022-09-04 13:35:28
7	Hidden user	578	Python 3	2020-08-23 16:23:53
8	Thomas Bolf	589	Python 3	2025-03-15 19:11:12
9	Hrant Hovhannisyan	590	Python 3	2025-10-06 06:18:32
10	Lex Kilpatrick	606	Python 3	2025-03-16 03:52:38

#	User	Length	Language	Date
1	Muhammad Sohail	1377	Rust	2024-09-20 04:18:49
2	Mckinley Xie	2067	Rust	2025-03-13 05:04:13
3	Vincent Lagerros	10884	Rust	2024-08-08 18:18:39

#	User	Length	Language	Date
1	Hidden user	1232	Swift	2023-10-05 10:25:44

Solution running time distribution