Problem A
Daydreaming Stockbroker — Problem Statistics

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Submissions	5322
Accepted submissions	1573
Submission ratio	29.56%
Authors	1449
Full solves [?]	1261
Full solve Ratio	87.03%

#	User	Runtime	Language	Date
1	Björn Gunnarsson	0.02 s	C#	2016-10-08 14:14:49
2	Lukas Polacek	0.02 s	C#	2016-11-19 17:27:29
3	Anže Mlakar	0.02 s	C#	2016-12-14 16:07:15
4	Max Nylander	0.02 s	C#	2017-07-31 17:05:55
5	Hidden user	0.02 s	C#	2017-10-06 16:01:37
6	Andrzej Krajniak	0.02 s	C#	2017-11-14 19:53:18
7	Marek	0.02 s	C#	2017-11-14 20:59:52
8	Ansis Ozoliņš	0.02 s	C#	2018-02-10 21:34:36
9	Māris Trušelis	0.02 s	C#	2018-02-14 08:08:19
10	Håvard Olsen	0.02 s	C#	2018-08-22 19:21:46

#	User	Runtime	Language	Date
1	Hidden user	0.01 s	D	2025-08-12 06:55:20

#	User	Runtime	Language	Date
1	Nathan Lee	0.00 s	Go	2025-10-22 22:59:46
2	Victor Sellstedt	0.02 s	Go	2022-08-05 22:23:40
3	Norbert Voelker	0.08 s	Go	2021-11-07 22:06:26
4	Kasper Sacharias Roos Eenberg	0.09 s	Go	2016-10-12 20:14:41

#	User	Runtime	Language	Date
1	Lukas Polacek	0.00 s	Haskell	2016-11-19 17:27:38
2	Johan Meier	0.00 s	Haskell	2017-01-05 06:05:04
3	Patrik Lilja	0.00 s	Haskell	2017-03-07 21:18:12
4	Martin Tran	0.00 s	Haskell	2018-02-11 09:11:17
5	Stefan Kennedy	0.00 s	Haskell	2018-05-16 19:47:43
6	Matthew Craven	0.00 s	Haskell	2018-09-15 21:46:06
7	Jørn Lode	0.00 s	Haskell	2022-09-28 21:56:13
8	Hidden user	0.00 s	Haskell	2023-05-18 13:53:56
9	Rudy Matela	0.00 s	Haskell	2023-09-09 21:11:26
10	Antony Lee	0.01 s	Haskell	2018-07-29 11:59:34

#	User	Runtime	Language	Date
1	Andreas Lindgren	0.04 s	Java	2024-09-12 21:52:44
2	Jonathan Persson	0.04 s	Java	2024-09-13 15:42:43
3	Johan Thiborg-Ericson	0.04 s	Java	2024-09-17 17:55:00
4	Minwoo Park	0.04 s	Java	2025-02-01 01:04:06
5	Daniel Kun Zhang	0.04 s	Java	2025-02-05 02:57:06
6	Hidden user	0.04 s	Java	2025-02-06 07:19:31
7	Lars Lønne	0.05 s	Java	2016-10-08 15:32:35
8	Joachim Nybo	0.05 s	Java	2016-10-09 13:27:35
9	Ole Jørgen Brønner	0.05 s	Java	2016-10-09 16:10:18
10	Micah Stairs	0.05 s	Java	2016-12-20 22:28:33

#	User	Runtime	Language	Date
1	Stephanie Keck	0.42 s	JavaScript (Node.js)	2020-02-18 23:07:11

#	User	Runtime	Language	Date
1	Bjørn Chr. Soltvedt	0.02 s	JavaScript (SpiderMonkey)	2022-07-10 14:01:21
2	Christian Pilegaard Cederquist	0.02 s	JavaScript (SpiderMonkey)	2023-05-03 16:29:50

#	User	Runtime	Language	Date
1	Phường Lên	0.14 s	Kotlin	2020-02-12 06:04:33
2	Peter Mikkelsen	0.18 s	Kotlin	2020-07-19 19:37:15
3	Adam Rankin	0.18 s	Kotlin	2023-10-31 19:07:14

#	User	Runtime	Language	Date
1	Caleb Austin	0.00 s	Lua	2024-10-12 00:02:36

#	User	Runtime	Language	Date
1	Andriy Zyevakov	0.02 s	Prolog	2024-12-11 05:01:20

#	User	Runtime	Language	Date
1	Lars Tveito	0.02 s	Python 2	2016-10-09 23:01:05
2	Sigurður Jens Albertsson	0.02 s	Python 2	2017-11-21 02:28:29
3	Tormod Ryeng	0.03 s	Python 2	2016-10-08 12:12:50
4	Vilius Ciuzelis	0.03 s	Python 2	2016-10-08 13:52:41
5	Marton Skjæveland	0.03 s	Python 2	2016-10-08 14:25:57
6	Simen Been	0.03 s	Python 2	2016-10-08 14:43:58
7	Hans Petter Kragset	0.03 s	Python 2	2016-10-08 15:10:37
8	Bjarki Ágúst Guðmundsson	0.03 s	Python 2	2016-10-08 21:35:02
9	Snild Dolkow	0.03 s	Python 2	2016-10-08 21:50:26
10	Hidden user	0.03 s	Python 2	2016-10-11 23:22:45

#	User	Runtime	Language	Date
1	Nils Barlaug	0.02 s	Python 3	2016-10-08 11:23:33
2	Christian Lindeström	0.02 s	Python 3	2016-10-08 12:04:59
3	Torstein Strømme	0.02 s	Python 3	2016-10-08 12:24:00
4	Jørgen Valstad	0.02 s	Python 3	2016-10-08 12:29:54
5	Sondre Brekke	0.02 s	Python 3	2016-10-08 12:31:33
6	Freek van Walderveen	0.02 s	Python 3	2016-10-08 12:59:15
7	Tore Norderud	0.02 s	Python 3	2016-10-08 13:03:12
8	Espen Haugsdal	0.02 s	Python 3	2016-10-08 13:08:52
9	Thomas Dybdahl Ahle	0.02 s	Python 3	2016-10-08 13:53:00
10	RecursivelyEnumerableBoys	0.02 s	Python 3	2016-10-08 15:08:58

#	User	Runtime	Language	Date
1	Ajai Nelson	0.05 s	Ruby	2022-02-19 21:42:43
2	Thomas Feld	0.06 s	Ruby	2025-10-17 13:27:00

#	User	Runtime	Language	Date
1	Klas af Geijerstam	0.00 s	Rust	2020-10-14 10:12:20
2	Muhammad Rais Fathin Mudzakir	0.00 s	Rust	2021-05-15 22:58:18
3	Niklas Sandén	0.00 s	Rust	2022-10-06 17:53:33
4	Fiat Driver	0.00 s	Rust	2023-07-06 16:56:04
5	Daniel Anker Hermansen	0.00 s	Rust	2023-10-01 14:00:10
6	Kåre von Geijer	0.00 s	Rust	2023-10-03 17:53:21
7	Mckinley Xie	0.00 s	Rust	2025-02-28 22:20:22
8	Vincent Lagerros	0.00 s	Rust	2025-03-13 23:13:32

#	User	Length	Language	Date
1	Noah Ó Donnaile	371	C	2016-12-20 05:40:46
2	Iris Nguyen	390	C	2019-12-11 07:39:03
3	Andy Wijaya	390	C	2020-01-09 09:25:40
4	Hidden user	390	C	2020-04-25 22:23:45
5	Ruben Spaans	417	C	2016-10-14 22:50:12
6	Ivan Petrov	457	C	2019-05-27 15:51:00
7	Hidden user	464	C	2019-10-20 13:32:16
8	Gwyneth Ang	464	C	2019-10-20 13:32:37
9	julian sunpayco	512	C	2019-10-19 12:50:40
10	Julian Rafael Sunpayco	512	C	2019-10-19 12:54:06

#	User	Length	Language	Date
1	Ansis Ozoliņš	601	C#	2018-02-10 21:34:36
2	Māris Trušelis	601	C#	2018-02-14 08:08:19
3	Björn Gunnarsson	956	C#	2016-10-08 14:14:49
4	Nathan Andrews	1013	C#	2024-10-12 00:07:16
5	Michael Damsgaard	1182	C#	2025-01-12 08:41:35
6	Hidden user	1219	C#	2017-10-06 16:01:37
7	Max Nylander	1271	C#	2017-07-31 17:05:55
8	Lukas Polacek	1274	C#	2016-11-19 17:27:29
9	Anže Mlakar	1549	C#	2016-12-14 16:07:15
10	Marek	1559	C#	2017-11-14 20:59:52

#	User	Length	Language	Date
1	Angela Qian	138	C++	2025-02-06 16:05:03
2	Yu-Chen Chan	253	C++	2024-01-30 02:37:26
3	Chen Chongsong	269	C++	2017-10-29 17:35:49
4	Dong Jiachen	290	C++	2017-10-03 13:29:02
5	Sebastian Ksiazczyk	295	C++	2016-10-22 22:11:20
6	Atli Fannar Franklín	299	C++	2017-09-27 23:19:57
7	Hidden user	310	C++	2021-03-05 21:41:04
8	Raymundo Gonzalez Luna	318	C++	2018-03-02 21:10:00
9	Ragur Krishnan	319	C++	2018-08-23 22:22:33
10	Zane Yu	319	C++	2019-01-01 07:45:19

#	User	Length	Language	Date
1	Hidden user	611	D	2025-08-12 06:55:20

#	User	Length	Language	Date
1	Kasper Sacharias Roos Eenberg	676	Go	2016-10-12 20:14:41
2	Norbert Voelker	985	Go	2021-11-07 22:07:53
3	Nathan Lee	1017	Go	2025-10-22 22:59:46
4	Victor Sellstedt	1063	Go	2022-08-05 22:23:40

#	User	Length	Language	Date
1	Hidden user	247	Haskell	2023-05-18 13:58:11
2	Patrik Lilja	494	Haskell	2017-03-07 21:18:12
3	Matthew Craven	510	Haskell	2018-09-15 21:46:06
4	Jørn Lode	618	Haskell	2022-09-28 21:56:13
5	Martin Tran	721	Haskell	2018-02-11 09:11:17
6	Lukas Polacek	725	Haskell	2016-11-19 17:27:38
7	John DeFalco	769	Haskell	2019-05-16 11:25:42
8	Abel Martin	857	Haskell	2019-09-06 19:47:18
9	Stefan Kennedy	889	Haskell	2018-05-16 19:47:43
10	Nazarii Bardiuk	923	Haskell	2018-12-29 19:15:21

#	User	Length	Language	Date
1	Xuehui Chen	382	Java	2018-07-09 03:30:20
2	Cong Bao	464	Java	2016-10-24 16:30:30
3	Nigel Quinn	523	Java	2018-03-03 00:32:20
4	Kalin Dobrev	526	Java	2020-05-01 22:20:25
5	Nixon Ong ニックソン	530	Java	2019-10-24 19:28:40
6	David Koval	534	Java	2018-10-07 07:25:49
7	Christopher Mc Laughlin	569	Java	2017-11-06 22:31:29
8	Chonglun Chen	576	Java	2018-10-17 02:24:59
9	Blake Gassman	577	Java	2022-04-15 18:36:52
10	Alex Coleman	594	Java	2017-03-02 19:37:03

#	User	Length	Language	Date
1	Stephanie Keck	6411	JavaScript (Node.js)	2020-02-18 23:07:11

#	User	Length	Language	Date
1	Christian Pilegaard Cederquist	578	JavaScript (SpiderMonkey)	2023-05-03 16:29:50
2	Bjørn Chr. Soltvedt	885	JavaScript (SpiderMonkey)	2022-07-10 14:01:21

#	User	Length	Language	Date
1	Peter Mikkelsen	342	Kotlin	2020-07-19 19:37:15
2	Phường Lên	711	Kotlin	2020-02-12 06:04:33
3	Adam Rankin	1548	Kotlin	2023-10-31 19:07:14

#	User	Length	Language	Date
1	Caleb Austin	1220	Lua	2024-10-12 00:02:36

#	User	Length	Language	Date
1	Andriy Zyevakov	3457	Prolog	2024-12-11 05:01:20

#	User	Length	Language	Date
1	Angela Qian	91	Python 2	2025-09-23 20:47:51
2	Eoin Davey	180	Python 2	2017-10-15 16:41:35
3	Peter Beattie	186	Python 2	2017-12-19 01:09:30
4	Johan Lyts	219	Python 2	2019-08-12 14:29:08
5	Victor Zheng	225	Python 2	2018-02-24 05:32:31
6	Alfred Olsson	228	Python 2	2017-04-15 20:33:33
7	Hidden user	241	Python 2	2018-01-08 02:34:46
8	Paco Martínez	242	Python 2	2019-10-30 15:44:30
9	Justin Su	248	Python 2	2018-10-17 05:17:21
10	Lars Tveito	260	Python 2	2016-10-09 23:01:05

#	User	Length	Language	Date
1	Angela Qian	104	Python 3	2025-09-23 20:31:43
2	Peter Stauder	121	Python 3	2023-03-05 21:38:37
3	Teikn Smith	123	Python 3	2024-02-29 03:08:51
4	Lukas Kerren	146	Python 3	2024-12-13 19:51:31
5	Nikita Sandstrom	148	Python 3	2022-10-25 02:39:20
6	Guan Yang Ze	156	Python 3	2021-04-28 08:13:05
7	Clement Oh	177	Python 3	2024-02-24 08:33:32
8	Jack Meyer Garvey	181	Python 3	2022-10-18 03:29:08
9	Sander Oppen	183	Python 3	2024-09-29 13:51:50
10	Ahmed Chamseddine	196	Python 3	2025-05-16 00:37:54

#	User	Length	Language	Date
1	Thomas Feld	72	Ruby	2025-10-17 13:30:43
2	Ajai Nelson	2171	Ruby	2022-02-19 21:42:43

#	User	Length	Language	Date
1	Vincent Lagerros	574	Rust	2025-03-13 23:13:32
2	Mckinley Xie	1323	Rust	2025-02-28 22:20:22
3	Fiat Driver	1361	Rust	2023-07-06 16:56:04
4	Muhammad Rais Fathin Mudzakir	4251	Rust	2021-05-15 22:58:18
5	Klas af Geijerstam	6087	Rust	2020-10-14 10:12:20
6	Kåre von Geijer	6415	Rust	2023-10-03 17:53:21
7	Niklas Sandén	18267	Rust	2022-10-06 17:53:33
8	Daniel Anker Hermansen	27408	Rust	2023-10-01 14:00:10

Solution running time distribution