Problem A
Cheating a Boolean Tree — Problem Statistics

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Submissions	908
Accepted submissions	358
Submission ratio	39.43%
Authors	302
Full solves [?]	260
Full solve Ratio	86.09%

#	User	Runtime	Language	Date
1	Adam Evans	0.00 s	C	2016-04-17 18:06:03
2	Thibault Raffaillac	0.00 s	C	2018-08-02 16:32:42
3	Leonardo	0.00 s	C	2020-07-16 03:04:17
4	Bergur Snorrason	0.00 s	C	2022-02-18 18:30:33
5	Ivan Petrov	0.01 s	C	2019-10-14 10:25:36
6	Ian H	0.01 s	C	2020-05-16 07:11:34
7	Benjamin Hsu	0.01 s	C	2020-06-21 20:56:00
8	Jenn Shores	0.01 s	C	2020-07-15 06:07:29
9	jurij_N@rambler.ru	0.01 s	C	2020-07-15 19:09:32
10	Vladimir Grbic	0.01 s	C	2020-07-16 02:48:51

#	User	Runtime	Language	Date
1	Łukasz Organiściak	0.02 s	C#	2017-09-21 22:08:17
2	Lukasz	0.02 s	C#	2017-09-21 23:34:01
3	Erik van Holland	0.03 s	C#	2017-10-01 17:02:44
4	Roxanne Baker	0.05 s	C#	2017-09-23 23:14:41

#	User	Runtime	Language	Date
1	Jan Štola	0.07 s	Java	2015-05-28 10:29:56
2	Nguyễn Mạnh Phúc	0.07 s	Java	2015-10-30 08:21:24
3	Bjørn Dons	0.07 s	Java	2024-03-18 22:46:26
4	Kol Greenbaum	0.08 s	Java	2024-03-21 06:55:32
5	Alvin Lee	0.08 s	Java	2025-10-24 04:15:40
6	Jens Ståhl	0.11 s	Java	2013-10-03 19:07:15
7	Hidden user	0.12 s	Java	2015-10-30 09:41:57
8	Erik Baalhuis	0.12 s	Java	2016-02-15 02:15:35
9	Nick Wu	0.12 s	Java	2016-04-27 07:21:56
10	Liam Keliher	0.12 s	Java	2016-10-31 16:03:44

#	User	Runtime	Language	Date
1	Tjibbe van der Veen	0.08 s	Python 2	2017-10-10 00:00:58
2	Andreas Björklund	0.19 s	Python 2	2022-03-19 20:07:18
3	Haggai Liu	0.20 s	Python 2	2016-12-28 20:24:28
4	Haggai Liu	0.20 s	Python 2	2017-01-20 08:43:37
5	Sigurður Jens Albertsson	0.24 s	Python 2	2017-11-26 21:40:30
6	Hidden user	0.46 s	Python 2	2019-07-17 01:28:28
7	Aniket Kumar	0.54 s	Python 2	2020-07-16 21:15:21

#	User	Runtime	Language	Date
1	James Robb	0.09 s	Python 3	2018-02-09 16:44:35
2	James Elías Sigurðarson	0.10 s	Python 3	2015-06-21 02:08:03
3	Sigurjón Freyr Viktorsson	0.10 s	Python 3	2016-01-31 18:30:23
4	Christian Lindeström	0.10 s	Python 3	2016-12-30 16:32:30
5	Rick May	0.10 s	Python 3	2017-01-25 05:01:34
6	Louis Abraham	0.10 s	Python 3	2017-08-31 16:31:17
7	April Uzdavinis	0.10 s	Python 3	2023-10-18 07:29:39
8	Hidden user	0.11 s	Python 3	2017-09-12 18:10:51
9	Duane Littleton	0.11 s	Python 3	2020-03-13 15:03:21
10	Wilbert Chu	0.11 s	Python 3	2024-10-16 02:49:44

#	User	Runtime	Language	Date
1	Vincent Lagerros	0.00 s	Rust	2025-01-24 22:47:49

#	User	Length	Language	Date
1	Thibault Raffaillac	1126	C	2018-08-02 16:32:42
2	Ivan Petrov	1300	C	2019-10-14 10:25:36
3	Jenn Shores	1559	C	2020-07-17 21:03:12
4	John Aloit	1734	C	2020-07-17 22:52:18
5	Nikhil Jayswal	1878	C	2020-07-17 17:15:41
6	Ian H	2085	C	2020-05-16 07:11:34
7	Mirel Cosulschi	2105	C	2024-11-07 14:14:03
8	Bergur Snorrason	2467	C	2022-02-18 18:30:33
9	Adam Evans	3334	C	2016-04-17 18:06:03
10	Rascal Two	3480	C	2020-10-03 19:38:12

#	User	Length	Language	Date
1	Roxanne Baker	5644	C#	2017-09-23 23:14:41
2	Erik van Holland	8171	C#	2017-10-01 17:02:44
3	Lukasz	10928	C#	2017-09-21 23:34:01
4	Łukasz Organiściak	11084	C#	2017-09-21 22:08:17

#	User	Length	Language	Date
1	Thi Dai Loc	852	C++	2016-12-27 04:55:39
2	David Wärn	909	C++	2015-05-20 12:00:29
3	Oscar V	1025	C++	2025-03-21 16:21:35
4	James Tan	1074	C++	2024-10-16 15:45:26
5	Herman Karlsson	1146	C++	2015-05-20 10:52:46
6	Teikn Smith	1171	C++	2024-07-05 05:52:29
7	Lucas Zhang	1330	C++	2024-09-08 21:15:43
8	Variable Unknown	1332	C++	2024-09-14 19:23:14
9	Kellen Wang	1334	C++	2024-03-22 02:24:05
10	Antonio Molina Lovett	1344	C++	2016-08-15 09:52:28

#	User	Length	Language	Date
1	Wouter Kool	1732	Java	2017-09-19 09:44:57
2	Måns Magnusson	2113	Java	2016-12-27 17:38:37
3	Sam Reinehr	2297	Java	2018-09-25 03:17:35
4	Mehdi Maick	2377	Java	2016-08-01 19:31:43
5	Peyman Faizian	2470	Java	2019-05-15 03:34:14
6	Micah Stairs	2549	Java	2016-08-22 04:02:41
7	Erik Baalhuis	2576	Java	2016-02-15 02:15:35
8	Martijn Muijsers	2796	Java	2020-08-19 14:11:58
9	Michael Bradet-Legris	2970	Java	2017-02-01 18:05:23
10	Olivier Bourgeois	2970	Java	2017-02-08 00:57:07

#	User	Length	Language	Date
1	Sigurður Jens Albertsson	1089	Python 2	2017-11-26 21:40:30
2	Tjibbe van der Veen	1353	Python 2	2017-10-10 00:00:58
3	Andreas Björklund	1562	Python 2	2022-03-19 20:07:18
4	Haggai Liu	1785	Python 2	2016-12-28 20:24:28
5	Haggai Liu	1785	Python 2	2017-01-20 08:43:37
6	Hidden user	2059	Python 2	2019-07-17 01:28:28
7	Aniket Kumar	3264	Python 2	2020-07-16 21:15:21

#	User	Length	Language	Date
1	Casper Rysgaard	442	Python 3	2024-07-01 12:35:17
2	Wilbert Chu	693	Python 3	2024-10-16 02:49:44
3	Hidden user	899	Python 3	2017-09-12 18:10:51
4	Nicholas Russell Saerang	964	Python 3	2024-06-30 17:01:00
5	Oskar Haarklou Veileborg	1110	Python 3	2021-04-20 21:30:40
6	Louis Abraham	1123	Python 3	2017-08-31 16:31:17
7	Simon Rumle Tarnow	1228	Python 3	2021-03-06 00:41:40
8	Elvar Árni Bjarnason	1259	Python 3	2023-01-19 22:05:39
9	Samúel Arnar Hafsteinsson	1275	Python 3	2023-01-16 23:25:14
10	Hidden user	1276	Python 3	2023-01-25 13:01:52

#	User	Length	Language	Date
1	Vincent Lagerros	19179	Rust	2025-01-24 22:47:49

Solution running time distribution