Problem A
Knockout Tournament — Problem Statistics

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Submissions	788
Accepted submissions	307
Submission ratio	38.96%
Authors	279
Full solves [?]	241
Full solve Ratio	86.38%

#	User	Runtime	Language	Date
1	Ivan Petrov	0.03 s	C	2017-12-01 13:30:21
2	Hidden user	0.04 s	C	2020-03-28 03:55:35

#	User	Runtime	Language	Date
1	Daniel Ericsson	0.01 s	C++	2017-11-28 22:33:35
2	Morgan Wilson	0.01 s	C++	2017-12-07 06:04:48
3	Hoàng Bá Tuân	0.01 s	C++	2018-02-12 08:08:35
4	Kamiel Cornelissen	0.01 s	C++	2018-08-30 10:49:35
5	Christopher Rech	0.01 s	C++	2018-10-23 21:36:31
6	Santiago Ley	0.01 s	C++	2019-02-26 19:37:05
7	Isaac Arvestad	0.01 s	C++	2020-05-10 13:39:29
8	Maksim Gorokhovskii	0.01 s	C++	2021-02-13 19:45:04
9	Theodore Lim	0.01 s	C++	2024-06-01 04:15:40
10	Chinmay Viraj Raut	0.02 s	C++	2018-10-16 12:52:38

#	User	Runtime	Language	Date
1	Arne Philipeit	0.21 s	Go	2018-10-14 06:26:22

#	User	Runtime	Language	Date
1	Birk Tjelmeland	0.07 s	Haskell	2018-11-13 18:36:35
2	Matthew Craven	0.17 s	Haskell	2021-02-13 22:41:24

#	User	Runtime	Language	Date
1	Josenildo Silva	0.16 s	Java	2018-08-10 14:40:29
2	Martijn Muijsers	0.21 s	Java	2020-08-11 18:05:37
3	Vemund Ytrehus	0.22 s	Java	2018-04-06 19:22:20
4	Tjibbe van der Veen	0.22 s	Java	2018-10-31 14:39:05
5	Paolo Pellizzoni	0.22 s	Java	2019-10-10 00:20:33
6	Jacob Magnuson	0.26 s	Java	2018-01-28 10:26:36
7	Christoph Gross	0.26 s	Java	2018-03-23 18:49:05
8	Wouter Kool	0.27 s	Java	2018-10-11 22:32:41
9	Timothy Buzzelli	0.28 s	Java	2018-01-27 22:14:16
10	Shubham Bhargava	0.28 s	Java	2021-02-21 21:26:25

#	User	Runtime	Language	Date
1	Nicholas Johnson	0.30 s	Kotlin	2022-05-15 18:33:15
2	Jacob Huebner	0.30 s	Kotlin	2022-05-27 22:14:45
3	Слава Гуляев	1.11 s	Kotlin	2017-11-26 16:40:21

#	User	Runtime	Language	Date
1	Sigurður Jens Albertsson	0.14 s	Python 2	2017-12-01 20:28:06
2	Bertrand Evertz	0.18 s	Python 2	2019-05-23 10:52:54
3	Torstein Strømme	0.20 s	Python 2	2017-12-06 16:29:22
4	Asger Hautop Drewsen	0.22 s	Python 2	2017-11-27 21:14:11
5	Karthik Gajulapalli	0.22 s	Python 2	2018-10-14 12:47:36
6	Garðar Sigurðsson	0.29 s	Python 2	2018-08-06 16:15:36
7	Måns Magnusson	0.32 s	Python 2	2017-12-05 14:52:11
8	Oskar Haarklou Veileborg	0.64 s	Python 2	2018-11-28 14:34:49

#	User	Runtime	Language	Date
1	Jonathan Dastrup	0.13 s	Python 3	2024-09-20 23:50:39
2	Lennart Meyling	0.21 s	Python 3	2022-11-30 11:22:24
3	Lucas Patten	0.22 s	Python 3	2024-09-18 21:34:54
4	Bas H	0.23 s	Python 3	2022-09-13 00:45:48
5	JJ	0.23 s	Python 3	2024-02-09 22:11:06
6	Adithya Badidey	0.24 s	Python 3	2021-11-06 01:52:25
7	Maj Stenmark	0.24 s	Python 3	2021-11-07 13:16:45
8	Sarah Bassett	0.24 s	Python 3	2024-09-17 03:52:26
9	Hrant Hovhannisyan	0.24 s	Python 3	2025-10-22 08:18:12
10	Mithul Manivannan	0.25 s	Python 3	2021-01-01 19:41:55

#	User	Runtime	Language	Date
1	Kristian Elde Johansen	0.01 s	Rust	2025-02-18 14:48:22
2	Daniel Anker Hermansen	0.28 s	Rust	2024-10-20 09:49:38

#	User	Length	Language	Date
1	Ivan Petrov	979	C	2017-12-01 13:30:21
2	Hidden user	2015	C	2020-03-28 03:55:35

#	User	Length	Language	Date
1	Erick Alvarez	712	C++	2019-03-08 10:15:58
2	Duong Thi Hoa Binh	821	C++	2018-11-22 11:51:48
3	Teikn Smith	865	C++	2024-08-30 06:30:40
4	Xuan Tung Nguyen	930	C++	2020-04-18 12:54:40
5	Oscar Peulicke	952	C++	2019-11-10 21:28:37
6	Ragur Krishnan	1005	C++	2018-10-21 04:59:08
7	Pierre Bertholom	1035	C++	2024-11-23 16:25:41
8	Paolo Pellizzoni	1044	C++	2022-04-03 17:39:02
9	Farbod Yadegarian	1062	C++	2018-01-27 23:09:34
10	Bakhodir Ashirmatov	1072	C++	2017-11-27 12:20:54

#	User	Length	Language	Date
1	Arne Philipeit	1990	Go	2018-10-14 06:26:22

#	User	Length	Language	Date
1	Matthew Craven	1998	Haskell	2021-02-13 22:41:24
2	Birk Tjelmeland	2006	Haskell	2018-11-13 18:36:35

#	User	Length	Language	Date
1	Josenildo Silva	1224	Java	2018-08-10 14:40:29
2	Andrew Polizzotto	1470	Java	2020-03-04 05:15:15
3	Chonglun Chen	1657	Java	2021-02-14 00:07:48
4	Travis Meade	1673	Java	2018-01-31 19:57:45
5	Timothy Buzzelli	1914	Java	2018-01-27 22:14:16
6	Ethan Bainbridge	2009	Java	2018-01-29 20:39:28
7	Tjibbe van der Veen	2109	Java	2018-10-31 14:39:05
8	William Brigham	2236	Java	2018-01-28 09:16:22
9	Paula Arnold	2402	Java	2018-05-18 18:14:01
10	Doug Goodman	2465	Java	2019-06-05 21:02:52

#	User	Length	Language	Date
1	Jacob Huebner	1543	Kotlin	2022-05-27 22:14:45
2	Nicholas Johnson	1567	Kotlin	2022-05-15 18:33:15
3	Слава Гуляев	2829	Kotlin	2017-11-26 16:40:21

#	User	Length	Language	Date
1	Karthik Gajulapalli	632	Python 2	2018-10-14 12:47:36
2	Oskar Haarklou Veileborg	929	Python 2	2018-11-28 14:34:49
3	Asger Hautop Drewsen	1043	Python 2	2017-11-27 21:14:11
4	Måns Magnusson	1094	Python 2	2017-12-05 14:52:11
5	Sigurður Jens Albertsson	1132	Python 2	2017-12-01 20:28:06
6	Bertrand Evertz	1188	Python 2	2019-05-23 10:52:54
7	Torstein Strømme	2188	Python 2	2017-12-06 16:29:22
8	Garðar Sigurðsson	2222	Python 2	2018-08-06 16:15:36

#	User	Length	Language	Date
1	Nicholas Russell Saerang	514	Python 3	2025-01-23 17:23:27
2	Jonathan Dastrup	579	Python 3	2024-09-20 23:53:04
3	Luke Moran	620	Python 3	2023-02-09 22:26:29
4	Hrant Hovhannisyan	627	Python 3	2025-10-22 08:18:12
5	Hidden user	716	Python 3	2019-06-19 18:13:43
6	Mithul Manivannan	725	Python 3	2021-02-13 19:15:47
7	M Base 2	772	Python 3	2020-07-14 07:33:19
8	Qianlang Chen	815	Python 3	2021-02-22 00:32:32
9	Victor Dheur	845	Python 3	2018-11-12 20:19:48
10	Ole Vik Lysne	874	Python 3	2025-02-18 21:53:17

#	User	Length	Language	Date
1	Kristian Elde Johansen	2445	Rust	2025-02-18 14:49:11
2	Daniel Anker Hermansen	15112	Rust	2024-10-20 09:49:38

Solution running time distribution