Problem A
The Princess and the Pea — Problem Statistics

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Submissions	1983
Accepted submissions	1576
Submission ratio	79.48%
Authors	194
Full solves [?]	86
Full solve Ratio	44.33%

#	User	Score	Language	Date
1	Bergur Snorrason	100	C	2022-02-19 19:18:45
2	TheACEofTrump	100	C	2022-11-17 15:14:48
3	Alexander Bilde Pedersen	73	C	2023-12-20 21:45:12

#	User	Score	Language	Date
1	Mikael Fiala-Lundström	73	C#	2024-05-06 00:48:40
2	Göran Andersson	41	C#	2022-05-15 23:44:47

#	User	Score	Language	Date
1	Juan Miguel Vilar	100	Haskell	2025-07-11 12:33:30
2	Fabian Mitterwallner	100	Haskell	2025-10-27 18:29:33

#	User	Score	Language	Date
1	Doug Goodman	100	Java	2022-06-11 18:28:48
2	Bjørn Dons	100	Java	2024-02-12 22:53:23
3	Asmus Tørsleff	73	Java	2022-02-25 17:47:48
4	Kristian bek jensen	73	Java	2022-02-25 18:00:26
5	Sven Rönnbäck	73	Java	2022-04-11 23:12:37
6	Andreas Guldborg Hansen	41	Java	2022-02-25 17:02:25
7	Hidden user	41	Java	2024-02-11 21:32:43
8	Thomas Feld	26	Java	2023-07-06 11:02:07
9	Ib Løwe Skovfoged Scherer	3	Java	2021-04-23 18:32:22
10	Frej Alexander Nielsen	3	Java	2021-04-23 18:52:31

#	User	Score	Language	Date
1	Christian Pilegaard Cederquist	100	JavaScript (SpiderMonkey)	2023-03-05 10:46:58
2	Bjørn Chr. Soltvedt	73	JavaScript (SpiderMonkey)	2023-10-07 10:32:38

#	User	Score	Language	Date
1	Renate	41	PHP	2024-05-09 02:36:38

#	User	Score	Language	Date
1	Miorel Palii	100	Ruby	2022-03-02 10:48:46
2	Thomas Feld	100	Ruby	2023-07-06 12:37:51
3	David Llorens	100	Ruby	2025-08-09 11:15:05

#	User	Score	Language	Date
1	Alice Ryhl	100	Rust	2022-02-25 17:03:12
2	Daniel Anker Hermansen	100	Rust	2023-01-03 18:42:34
3	Katherine Freudenhammer	100	Rust	2025-09-12 00:02:16
4	Joshua Freudenhammer	100	Rust	2025-09-15 02:18:23
5	Hidden user	100	Rust	2026-01-12 11:33:33

#	User	Runtime	Language	Date
1	Bergur Snorrason	0.01 s	C	2022-02-19 19:18:45
2	TheACEofTrump	0.18 s	C	2022-11-17 15:14:48

#	User	Runtime	Language	Date
1	Ásþór Björnsson	0.01 s	C++	2021-04-23 21:33:06
2	Atli Fannar Franklín	0.01 s	C++	2022-02-21 10:59:07
3	Elias Lolck	0.01 s	C++	2022-02-25 17:42:22
4	David Lolck	0.01 s	C++	2022-02-25 18:01:32
5	Thor Eriksen	0.01 s	C++	2022-02-25 18:12:01
6	Malte Kildelund Rosenkilde	0.01 s	C++	2022-02-26 10:50:05
7	Viktor Bello Thomsen	0.01 s	C++	2022-03-01 17:11:11
8	Joakim Blikstad	0.01 s	C++	2022-03-04 20:52:21
9	Joshua Andersson	0.01 s	C++	2022-12-26 10:04:27
10	Rama Aryasuta Pangestu	0.01 s	C++	2023-01-08 13:22:53

#	User	Runtime	Language	Date
1	Fabian Mitterwallner	0.04 s	Haskell	2025-10-27 19:55:38
2	Juan Miguel Vilar	0.07 s	Haskell	2025-07-11 12:33:30

#	User	Runtime	Language	Date
1	Bjørn Dons	0.14 s	Java	2024-02-12 22:53:23
2	Doug Goodman	0.26 s	Java	2022-06-11 18:28:48

#	User	Runtime	Language	Date
1	Christian Pilegaard Cederquist	0.13 s	JavaScript (SpiderMonkey)	2023-03-05 10:46:58

#	User	Runtime	Language	Date
1	David Llorens	0.06 s	Python 3	2025-08-09 10:08:44
2	Gary Gurlaskie	0.07 s	Python 3	2022-04-27 04:05:15
3	Jonathan Dastrup	0.07 s	Python 3	2024-09-14 01:42:51
4	Hidden user	0.08 s	Python 3	2022-02-19 17:41:59
5	Andreas Björklund	0.08 s	Python 3	2022-05-02 06:36:18
6	Caleb Dastrup	0.08 s	Python 3	2024-09-21 17:54:46
7	Simen Sørensen	0.08 s	Python 3	2025-06-17 00:25:46
8	Hidden user	0.09 s	Python 3	2023-06-06 20:38:21
9	Harry Zhang	0.09 s	Python 3	2024-12-15 13:52:33
10	Federico Prat Villar	0.09 s	Python 3	2025-07-13 00:40:51

#	User	Runtime	Language	Date
1	David Llorens	0.07 s	Ruby	2025-08-09 11:15:05
2	Thomas Feld	0.39 s	Ruby	2023-07-06 12:37:51
3	Miorel Palii	0.81 s	Ruby	2022-03-02 10:48:46

#	User	Runtime	Language	Date
1	Alice Ryhl	0.01 s	Rust	2022-02-25 17:03:12
2	Daniel Anker Hermansen	0.01 s	Rust	2023-01-03 18:42:34
3	Joshua Freudenhammer	0.01 s	Rust	2025-09-15 02:18:23
4	Hidden user	0.01 s	Rust	2026-01-12 11:33:33
5	Katherine Freudenhammer	0.08 s	Rust	2025-09-12 00:02:16

#	User	Length	Language	Date
1	TheACEofTrump	497	C	2022-11-17 15:24:35
2	Bergur Snorrason	2158	C	2022-02-19 19:21:05

#	User	Length	Language	Date
1	Yeung Man Tsung	580	C++	2023-01-08 14:15:50
2	Dmitry Lyubshin	633	C++	2023-03-30 07:58:24
3	Malte Kildelund Rosenkilde	681	C++	2022-02-26 10:50:05
4	Ansis Gustavs Andersons	690	C++	2023-04-28 17:03:59
5	Adam Gąsienica	729	C++	2023-04-28 16:57:24
6	Rafał Mańczyk	750	C++	2023-04-28 17:38:26
7	Jeremy Lim	756	C++	2025-03-21 22:44:02
8	Elias Lolck	771	C++	2022-02-25 17:42:22
9	Rama Aryasuta Pangestu	780	C++	2023-01-08 13:22:53
10	Atli Fannar Franklín	845	C++	2022-02-21 10:59:07

#	User	Length	Language	Date
1	Fabian Mitterwallner	1234	Haskell	2025-10-27 18:31:33
2	Juan Miguel Vilar	1663	Haskell	2025-07-11 12:33:30

#	User	Length	Language	Date
1	Doug Goodman	1839	Java	2022-06-11 18:28:48
2	Bjørn Dons	5856	Java	2024-02-12 22:53:43

#	User	Length	Language	Date
1	Christian Pilegaard Cederquist	1414	JavaScript (SpiderMonkey)	2023-03-05 10:46:58

#	User	Length	Language	Date
1	David Llorens	274	Python 3	2025-08-09 11:07:23
2	Hidden user	332	Python 3	2023-06-06 20:38:21
3	Caleb Dastrup	366	Python 3	2024-09-21 17:54:46
4	Jonathan Dastrup	395	Python 3	2024-09-14 01:48:52
5	Harry Zhang	429	Python 3	2024-12-15 13:53:39
6	Tony Kwan	483	Python 3	2022-08-09 17:54:36
7	Gerth Stølting Brodal	502	Python 3	2022-04-24 16:00:25
8	Ole Vik Lysne	578	Python 3	2024-10-28 18:43:35
9	Hidden user	620	Python 3	2022-02-19 17:41:59
10	Andreas Björklund	621	Python 3	2022-05-02 06:36:18

#	User	Length	Language	Date
1	David Llorens	220	Ruby	2025-08-09 11:54:50
2	Thomas Feld	229	Ruby	2023-07-06 13:04:36
3	Miorel Palii	965	Ruby	2022-03-02 10:48:46

#	User	Length	Language	Date
1	Alice Ryhl	1574	Rust	2022-02-25 17:03:12
2	Katherine Freudenhammer	4784	Rust	2025-09-12 00:02:16
3	Joshua Freudenhammer	4804	Rust	2025-09-15 02:43:12
4	Daniel Anker Hermansen	23455	Rust	2023-01-03 18:42:34
5	Hidden user	25688	Rust	2026-01-12 11:33:33

Solution running time distribution