Problem A
Guessing Game — Problem Statistics

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Submissions	8847
Accepted submissions	2434
Submission ratio	27.51%
Authors	2424
Full solves [?]	2047
Full solve Ratio	84.45%

#	User	Runtime	Language	Date
1	Ludwig Hedeby	0.02 s	C#	2017-11-27 09:30:29
2	apolinar ortega	0.02 s	C#	2018-02-24 17:16:36
3	Victoria Yan	0.02 s	C#	2018-05-26 03:09:42
4	Andreas	0.02 s	C#	2018-11-24 16:54:05
5	Brutus Hansson	0.02 s	C#	2019-01-23 12:35:22
6	Henrik Hallbert	0.02 s	C#	2019-11-09 15:38:18
7	Emil Clemedson	0.02 s	C#	2021-09-28 08:17:54
8	Leslie Yip	0.02 s	C#	2022-06-21 15:58:25
9	Fredrik Kaspersen	0.02 s	C#	2022-08-08 17:12:35
10	Kristoffer Sten	0.03 s	C#	2020-03-13 10:43:13

#	User	Runtime	Language	Date
1	dick move	0.01 s	Crystal	2025-09-30 10:27:49

#	User	Runtime	Language	Date
1	Jacob Harris Cryer Kragh	0.07 s	F#	2023-06-03 21:34:46

#	User	Runtime	Language	Date
1	Adam Engsig	0.02 s	Go	2021-06-06 10:54:45
2	Hidden user	0.03 s	Go	2021-03-25 21:19:23
3	Andriy Zyevakov	0.07 s	Go	2019-05-09 22:24:12
4	Niclas Søgaard Hjortkjær	0.08 s	Go	2021-09-24 17:07:02
5	Gregers Skat Rørdam	0.08 s	Go	2021-09-24 17:12:16
6	Emil Houlborg	0.08 s	Go	2021-09-24 17:13:29
7	Norbert Voelker	0.08 s	Go	2021-09-26 13:39:43
8	Krzysztof Gibuła	0.08 s	Go	2022-03-30 00:10:12
9	Jack Kryger Sørensen	0.11 s	Go	2022-01-02 16:12:02
10	Hidden user	0.13 s	Go	2021-04-04 00:25:04

#	User	Runtime	Language	Date
1	Patrik Lilja	0.01 s	Haskell	2017-03-07 19:31:28
2	Stefan Kennedy	0.01 s	Haskell	2018-05-14 22:13:58
3	Brent Yorgey	0.01 s	Haskell	2018-10-20 15:15:21
4	Shing Tak Lam	0.01 s	Haskell	2021-03-13 17:27:27
5	Martin Nørskov Jensen	0.01 s	Haskell	2021-03-29 12:56:40
6	Monique Oliveira	0.01 s	Haskell	2021-05-17 03:11:54
7	Scott Dauer	0.01 s	Haskell	2021-08-26 17:19:16
8	Hidden user	0.01 s	Haskell	2022-05-17 16:38:43
9	Li Jun	0.01 s	Haskell	2023-06-23 20:41:55
10	Matthew Gvasalia	0.01 s	Haskell	2023-07-05 03:03:53

#	User	Runtime	Language	Date
1	Micah Stairs	0.06 s	Java	2017-02-19 06:08:09
2	Martijn Muijsers	0.06 s	Java	2017-03-05 01:32:18
3	Samuel Klingström	0.06 s	Java	2017-07-23 22:41:52
4	Natalia Lara	0.06 s	Java	2025-01-16 19:14:27
5	Varshini Raghunath	0.06 s	Java	2025-06-12 19:30:51
6	Sofia Beltrán García	0.06 s	Java	2025-07-17 04:21:51
7	Hidden user	0.07 s	Java	2017-02-16 15:21:11
8	Nick Wu	0.07 s	Java	2017-03-04 08:07:40
9	Ashu Yadav	0.07 s	Java	2018-07-03 09:02:28
10	Love Engman	0.07 s	Java	2018-11-08 18:17:44

#	User	Runtime	Language	Date
1	Andreas Egger	0.09 s	JavaScript (Node.js)	2018-06-07 11:30:49

#	User	Runtime	Language	Date
1	Bjørn Chr. Soltvedt	0.01 s	JavaScript (SpiderMonkey)	2017-02-20 22:34:47
2	Peter Kedemo	0.01 s	JavaScript (SpiderMonkey)	2017-02-23 16:21:52
3	Ian Middleton	0.01 s	JavaScript (SpiderMonkey)	2018-02-04 19:10:42
4	Christian Pilegaard Cederquist	0.03 s	JavaScript (SpiderMonkey)	2023-03-10 21:35:25
5	Zach Tschetter	0.03 s	JavaScript (SpiderMonkey)	2023-06-15 22:48:55

#	User	Runtime	Language	Date
1	Timothy Gaede	0.49 s	Julia	2024-06-19 12:14:58

#	User	Runtime	Language	Date
1	Jacob Huebner	0.14 s	Kotlin	2022-04-14 00:51:20
2	Phường Lên	0.20 s	Kotlin	2020-02-12 05:40:35
3	Emil Eriksmoen Stensland	0.20 s	Kotlin	2021-02-09 12:13:23
4	Hidden user	0.21 s	Kotlin	2017-11-21 17:18:45
5	Adam Rankin	0.24 s	Kotlin	2023-09-28 00:02:42
6	Jesper Bech Christensen	0.24 s	Kotlin	2023-09-28 10:24:01
7	Ola Sundell	0.27 s	Kotlin	2018-09-18 16:46:20
8	Dayan Ruben Gonzalez	0.27 s	Kotlin	2020-10-09 05:46:29
9	Johnny Baloney	0.27 s	Kotlin	2021-11-20 17:13:37
10	James WIlliams	0.28 s	Kotlin	2020-09-24 02:48:26

#	User	Runtime	Language	Date
1	Ingemar Ragnemalm	0.00 s	Pascal	2017-08-08 12:47:19

#	User	Runtime	Language	Date
1	Hadi Qovaizi	0.06 s	Prolog	2018-06-29 23:17:36

#	User	Runtime	Language	Date
1	Hermon Mulat	0.03 s	Python 2	2018-12-05 17:43:16
2	Christofer Ohlsson	0.04 s	Python 2	2017-02-14 18:20:42
3	Justin Su	0.04 s	Python 2	2018-03-13 01:02:50
4	Chris Burnham	0.04 s	Python 2	2018-04-28 19:55:10
5	Nicholas Zhang	0.04 s	Python 2	2018-10-04 02:12:54
6	Jesper Öqvist	0.04 s	Python 2	2018-11-07 19:01:04
7	Yanmarshus Bachtiar	0.04 s	Python 2	2020-08-25 02:51:33
8	LI JIAYI (Student)	0.04 s	Python 2	2020-12-30 07:35:49
9	Hidden user	0.05 s	Python 2	2017-09-27 18:29:44
10	Noble Mushtak	0.05 s	Python 2	2020-01-25 01:27:38

#	User	Runtime	Language	Date
1	Samvrutta Tumuluru	0.02 s	Python 3	2017-06-26 17:04:13
2	Ciara Godwin	0.02 s	Python 3	2017-06-30 00:12:53
3	Borna Kavčič	0.02 s	Python 3	2017-09-05 00:09:15
4	Hana Kelbel	0.02 s	Python 3	2017-09-05 13:04:24
5	Ram Basnet	0.02 s	Python 3	2018-03-08 08:30:59
6	Martin Mc Gloin	0.02 s	Python 3	2018-04-24 14:13:43
7	Got Yaoi	0.02 s	Python 3	2018-04-26 03:10:43
8	Ryan Strauss	0.02 s	Python 3	2018-05-24 23:09:01
9	Paul Tan	0.02 s	Python 3	2018-05-26 11:26:01
10	Tobi Pristupin	0.02 s	Python 3	2018-06-16 00:53:02

#	User	Runtime	Language	Date
1	Hidden user	0.03 s	Ruby	2017-02-14 19:05:36
2	Elias Lousseief	0.03 s	Ruby	2017-10-06 14:00:53
3	Hanson Lo	0.03 s	Ruby	2018-04-06 23:26:26
4	Braydon Willms	0.05 s	Ruby	2019-10-24 03:48:19
5	Sebastian Oveland	0.05 s	Ruby	2020-03-22 15:44:50
6	Hadi Qovaizi	0.05 s	Ruby	2021-07-20 09:28:06
7	Andreas Severin Hauch Trøstrup	0.06 s	Ruby	2022-10-04 21:52:18
8	Frederik Spang	0.06 s	Ruby	2022-10-13 15:51:51
9	Thomas Feld	0.06 s	Ruby	2023-03-31 08:52:22
10	Russell Ng	0.07 s	Ruby	2025-06-01 17:00:06

#	User	Length	Language	Date
1	Sheren Emanuela	558	C	2021-10-03 10:48:31
2	Caleb Hanisch	590	C	2018-01-25 23:04:55
3	Wayne	596	C	2017-03-01 20:04:49
4	Andrew Roberts	609	C	2017-09-17 10:08:29
5	Alex Van Keulen	643	C	2018-01-25 21:20:42
6	Julian Duniec	684	C	2023-08-22 17:12:33
7	Kainikireddy Venkata Pavan Kumar Reddy	711	C	2019-09-26 08:17:37
8	Hidden user	765	C	2025-01-12 21:41:52
9	Bokor	776	C	2018-05-02 14:40:21
10	Adriana Stancu	809	C	2020-12-05 18:51:59

#	User	Length	Language	Date
1	Niiwami	672	C#	2020-03-19 15:02:30
2	apolinar ortega	856	C#	2018-02-24 17:16:36
3	Leslie Yip	875	C#	2022-06-21 15:58:25
4	Toby Maynard	961	C#	2023-04-18 20:01:50
5	Matias Suarez	998	C#	2025-06-20 22:45:03
6	Caspar Marschall	1063	C#	2021-09-24 16:18:55
7	Linda Andersson	1069	C#	2021-07-27 15:32:50
8	Emil Clemedson	1117	C#	2021-09-28 08:17:54
9	Márton Krauter	1118	C#	2023-07-20 21:21:50
10	Walkyria Audivert Lino	1139	C#	2025-06-20 22:30:11

#	User	Length	Language	Date
1	Taylor Rodríguez	266	C++	2025-05-11 10:25:51
2	Mugeon Kim	290	C++	2024-01-21 06:02:12
3	William Gan	384	C++	2018-03-10 10:49:54
4	曾琬婷Nicky0731	425	C++	2025-05-27 14:57:29
5	Spynder	429	C++	2023-08-23 14:21:14
6	Landy Lu	430	C++	2020-04-24 07:32:26
7	Gary Li	435	C++	2021-04-19 00:03:09
8	Yeung Man Tsung	440	C++	2022-12-31 17:14:13
9	Jason ShuJi Chen	441	C++	2018-06-13 19:15:56
10	Magizhini R	441	C++	2019-09-26 08:30:41

#	User	Length	Language	Date
1	dick move	347	Crystal	2025-09-30 10:27:49

#	User	Length	Language	Date
1	Jacob Harris Cryer Kragh	1929	F#	2023-06-03 21:34:46

#	User	Length	Language	Date
1	Gregers Skat Rørdam	643	Go	2021-09-24 17:12:16
2	Hidden user	659	Go	2021-04-04 00:25:04
3	Krzysztof Gibuła	706	Go	2022-03-30 00:10:12
4	Hidden user	762	Go	2021-03-25 21:19:23
5	Andriy Zyevakov	884	Go	2019-05-09 22:24:12
6	Jack Kryger Sørensen	908	Go	2022-01-02 16:12:02
7	Emil Houlborg	954	Go	2021-09-24 17:13:29
8	Matthew Chao	962	Go	2018-05-12 20:53:23
9	Josh Chandler	986	Go	2018-02-24 17:33:28
10	Niclas Søgaard Hjortkjær	1097	Go	2021-09-24 17:07:02

#	User	Length	Language	Date
1	Sebastian Banert	364	Haskell	2023-08-14 00:59:30
2	Mason Barnhill	430	Haskell	2023-07-14 17:32:36
3	Martin Nørskov Jensen	594	Haskell	2021-03-29 12:56:40
4	Matthew Gvasalia	604	Haskell	2023-07-07 14:21:59
5	Shing Tak Lam	621	Haskell	2021-03-13 17:27:27
6	Monique Oliveira	823	Haskell	2021-05-17 03:11:54
7	Patrik Lilja	866	Haskell	2017-03-07 19:31:28
8	Nicholas Marsh	943	Haskell	2022-12-18 16:49:40
9	Li Jun	981	Haskell	2023-06-23 20:43:34
10	Steinar Simonnes	1113	Haskell	2025-02-04 08:37:19

#	User	Length	Language	Date
1	Natalie Longtin	612	Java	2018-02-05 20:25:16
2	Duncan Page	616	Java	2019-01-08 00:06:02
3	Brennan Cleland	617	Java	2023-05-13 06:20:32
4	Ásmundur Óskar Ásmundsson	635	Java	2018-12-06 18:42:26
5	Xuehui Chen	657	Java	2018-05-10 18:54:30
6	Doug Goodman	671	Java	2017-12-15 22:56:54
7	Jamie Kihira	686	Java	2018-05-09 00:11:54
8	Nguyen Thuy Quynh	686	Java	2021-03-27 17:43:45
9	Brendon Zhang	707	Java	2019-02-07 01:27:06
10	Isaac Fuenmayor	713	Java	2020-06-02 21:55:42

#	User	Length	Language	Date
1	Andreas Egger	2547	JavaScript (Node.js)	2018-06-07 11:30:49

#	User	Length	Language	Date
1	Peter Kedemo	463	JavaScript (SpiderMonkey)	2017-02-23 16:21:52
2	Bjørn Chr. Soltvedt	540	JavaScript (SpiderMonkey)	2017-02-20 22:34:47
3	Zach Tschetter	635	JavaScript (SpiderMonkey)	2023-06-15 22:48:55
4	Christian Pilegaard Cederquist	648	JavaScript (SpiderMonkey)	2023-03-10 21:35:25
5	Ian Middleton	1671	JavaScript (SpiderMonkey)	2018-02-04 19:10:42

#	User	Length	Language	Date
1	Timothy Gaede	600	Julia	2024-06-19 12:14:58

#	User	Length	Language	Date
1	Jesper Bech Christensen	588	Kotlin	2023-09-28 10:24:01
2	Dayan Ruben Gonzalez	596	Kotlin	2020-10-09 05:46:29
3	Adam Rankin	782	Kotlin	2023-09-28 00:02:42
4	Alice Darner	783	Kotlin	2021-04-16 13:31:56
5	Jacob Huebner	789	Kotlin	2022-04-14 00:51:20
6	Ashish Singh	816	Kotlin	2023-01-24 14:38:19
7	Emil Eriksmoen Stensland	826	Kotlin	2021-02-09 12:13:23
8	Phường Lên	957	Kotlin	2020-02-12 05:40:35
9	Ali M. Nekoh	993	Kotlin	2025-06-11 17:38:16
10	Hidden user	1028	Kotlin	2017-11-21 17:18:45

#	User	Length	Language	Date
1	Ingemar Ragnemalm	660	Pascal	2017-08-08 12:47:19

#	User	Length	Language	Date
1	Hadi Qovaizi	3409	Prolog	2018-06-29 23:17:36

#	User	Length	Language	Date
1	Thomas Feld	219	Python 2	2019-11-05 09:24:40
2	Herbert Ilhan Tanujaya	349	Python 2	2019-05-04 05:11:02
3	Olav Røthe Bakken	382	Python 2	2021-11-11 11:31:35
4	Akzharkyn Duisembiyeva	384	Python 2	2020-03-25 02:23:39
5	Eoin Davey	409	Python 2	2017-09-04 16:31:06
6	Lim Hong Hui Eugene	412	Python 2	2019-10-09 18:44:36
7	Lars Åström	432	Python 2	2019-06-25 22:17:00
8	Christofer Ohlsson	438	Python 2	2017-02-14 18:20:42
9	Jesper Öqvist	452	Python 2	2018-11-07 19:01:04
10	Jasper Lu	481	Python 2	2017-06-28 08:15:56

#	User	Length	Language	Date
1	Hidden user	151	Python 3	2022-10-24 18:52:26
2	Christopher Kopp	169	Python 3	2023-03-02 22:04:44
3	Charles Ancheta	176	Python 3	2023-03-30 09:24:13
4	Harry Zhang	217	Python 3	2022-12-25 09:44:31
5	Ahmed Chamseddine	251	Python 3	2023-10-05 17:21:41
6	Kelly Dance	262	Python 3	2024-09-25 06:29:12
7	Herman Karlsson	280	Python 3	2017-02-17 21:26:07
8	Tai Tze Kin	292	Python 3	2024-05-11 16:18:52
9	Thibault Raffaillac	304	Python 3	2020-01-27 12:49:24
10	M Base 2	305	Python 3	2020-07-16 18:59:53

#	User	Length	Language	Date
1	Russell Ng	125	Ruby	2025-06-01 17:00:06
2	Thomas Feld	131	Ruby	2023-03-31 09:08:48
3	Frederik Spang	193	Ruby	2022-10-13 16:00:23
4	Andreas Severin Hauch Trøstrup	211	Ruby	2022-10-04 23:02:52
5	Hanson Lo	386	Ruby	2018-04-06 23:26:26
6	Braydon Willms	521	Ruby	2019-10-24 03:48:19
7	Hidden user	527	Ruby	2017-02-14 19:05:36
8	Sebastian Oveland	533	Ruby	2020-03-22 15:44:50
9	Elias Lousseief	566	Ruby	2017-10-06 14:00:53
10	Hadi Qovaizi	748	Ruby	2021-07-20 09:28:06

#	User	Length	Language	Date
1	Alexandr Last	783	Rust	2023-09-02 22:47:46
2	Ahron Pollak	1021	Rust	2023-04-17 20:39:30
3	Eskil Queseth	1082	Rust	2020-01-21 12:16:40
4	Alice Ryhl	1164	Rust	2022-06-17 16:23:17
5	jaswanth	1169	Rust	2024-02-26 14:44:35
6	username5432	1325	Rust	2024-07-13 01:32:13
7	Spencer Killen	1348	Rust	2020-04-27 00:02:48
8	Drew Yost	1513	Rust	2022-09-22 03:21:27
9	Martin Lindström	1628	Rust	2020-10-15 17:48:35
10	Eric Pinter	1715	Rust	2022-05-26 04:45:20

Solution running time distribution