User contributions
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- 14:01, 18 April 2021 (diff | hist) . . (+85) . . 2019 AIME II Problems/Problem 6 (→Solution 1)
- 16:32, 11 August 2020 (diff | hist) . . (+591) . . User:Dolphin7 (current)
- 16:14, 11 August 2020 (diff | hist) . . (-169) . . User:Dolphin7
- 19:46, 22 June 2020 (diff | hist) . . (+360) . . N User:Dolphin7 (Created page with "Visit my blog! Also visit the Python Forum: https://artofproblemsolving.com/community/c163h1884534s1_private_python_forumall_levels USACO Forum: https://artofproblemsolving.c...")
- 15:13, 15 May 2020 (diff | hist) . . (+114) . . 2019 AMC 12A Problems/Problem 25
- 15:12, 15 May 2020 (diff | hist) . . (+114) . . 2019 AMC 12A Problems/Problem 23
- 15:11, 15 May 2020 (diff | hist) . . (+114) . . 2019 AMC 12A Problems/Problem 21
- 15:06, 15 May 2020 (diff | hist) . . (0) . . 2018 AMC 10A Problems/Problem 25
- 15:05, 15 May 2020 (diff | hist) . . (+114) . . 2018 AMC 10A Problems/Problem 24
- 15:05, 15 May 2020 (diff | hist) . . (+114) . . 2018 AMC 10A Problems/Problem 22
- 15:05, 15 May 2020 (diff | hist) . . (+114) . . 2018 AMC 10A Problems/Problem 21
- 15:05, 15 May 2020 (diff | hist) . . (+114) . . 2018 AMC 10A Problems/Problem 25
- 15:04, 15 May 2020 (diff | hist) . . (+114) . . 2018 AMC 12A Problems/Problem 24
- 15:04, 15 May 2020 (diff | hist) . . (+114) . . 2018 AMC 12A Problems/Problem 23
- 14:23, 15 May 2020 (diff | hist) . . (+114) . . 2018 AMC 12A Problems/Problem 22
- 14:22, 15 May 2020 (diff | hist) . . (+114) . . 2018 AMC 12A Problems/Problem 21
- 14:21, 15 May 2020 (diff | hist) . . (+37) . . 2018 AMC 10A Problems/Problem 23
- 14:02, 15 May 2020 (diff | hist) . . (+114) . . 2015 AMC 12A Problems/Problem 25
- 14:02, 15 May 2020 (diff | hist) . . (+114) . . 2015 AMC 12A Problems/Problem 24
- 14:02, 15 May 2020 (diff | hist) . . (+114) . . 2015 AMC 12A Problems/Problem 23
- 14:02, 15 May 2020 (diff | hist) . . (+114) . . 2015 AMC 12A Problems/Problem 22
- 14:02, 15 May 2020 (diff | hist) . . (+114) . . 2015 AMC 12A Problems/Problem 21
- 13:58, 15 May 2020 (diff | hist) . . (+114) . . 2015 AMC 10A Problems/Problem 25
- 13:57, 15 May 2020 (diff | hist) . . (+114) . . 2015 AMC 10A Problems/Problem 24
- 13:57, 15 May 2020 (diff | hist) . . (+114) . . 2015 AMC 10A Problems/Problem 23
- 13:50, 15 May 2020 (diff | hist) . . (-63) . . 2015 AMC 10A Problems/Problem 22
- 13:49, 15 May 2020 (diff | hist) . . (+40) . . 2015 AMC 10A Problems/Problem 21
- 13:44, 15 May 2020 (diff | hist) . . (+114) . . 2014 AMC 12A Problems/Problem 24
- 13:43, 15 May 2020 (diff | hist) . . (+114) . . 2014 AMC 12A Problems/Problem 25
- 13:43, 15 May 2020 (diff | hist) . . (+96) . . 2014 AMC 12A Problems/Problem 23
- 13:42, 15 May 2020 (diff | hist) . . (+114) . . 2014 AMC 12A Problems/Problem 21
- 13:42, 15 May 2020 (diff | hist) . . (0) . . 2014 AMC 10A Problems/Problem 25 (→Video Solution by Richard Rusczyk)
- 13:41, 15 May 2020 (diff | hist) . . (0) . . 2014 AMC 10A Problems/Problem 25
- 13:40, 15 May 2020 (diff | hist) . . (+114) . . 2014 AMC 10A Problems/Problem 25
- 13:40, 15 May 2020 (diff | hist) . . (+1) . . 2014 AMC 10A Problems/Problem 23
- 13:39, 15 May 2020 (diff | hist) . . (+114) . . 2014 AMC 10A Problems/Problem 21
- 13:37, 15 May 2020 (diff | hist) . . (+37) . . 2014 AMC 10A Problems/Problem 24
- 13:34, 15 May 2020 (diff | hist) . . (+113) . . 2014 AMC 10A Problems/Problem 23
- 13:34, 15 May 2020 (diff | hist) . . (+35) . . 2014 AMC 10A Problems/Problem 22
- 13:08, 15 May 2020 (diff | hist) . . (+12) . . 2012 AMC 12A Problems/Problem 25 (→Video Solution by Richard Rusczyk)
- 13:07, 15 May 2020 (diff | hist) . . (+12) . . 2012 AMC 12A Problems/Problem 24 (→Video Solution by Richard Rusczyk)
- 13:07, 15 May 2020 (diff | hist) . . (+14) . . 2012 AMC 12A Problems/Problem 23 (→Video Solution by Richard Rusczyk)
- 13:01, 15 May 2020 (diff | hist) . . (+25) . . 2012 AMC 10A Problems/Problem 21 (→Video Solution by Richard Rusczyk)
- 13:00, 15 May 2020 (diff | hist) . . (0) . . 2012 AMC 10A Problems/Problem 22 (→Video Solution by Richard Rusczyk)
- 12:59, 15 May 2020 (diff | hist) . . (+12) . . 2012 AMC 10A Problems/Problem 22 (→Video Solution by Richard Rusczyk)
- 12:57, 15 May 2020 (diff | hist) . . (+12) . . 2012 AMC 10A Problems/Problem 24 (→Video Solution by Richard Rusczyk)
- 12:47, 15 May 2020 (diff | hist) . . (+113) . . 2012 AIME I Problems/Problem 15
- 12:47, 15 May 2020 (diff | hist) . . (+113) . . 2012 AIME I Problems/Problem 14
- 12:47, 15 May 2020 (diff | hist) . . (+113) . . 2012 AIME I Problems/Problem 13
- 12:46, 15 May 2020 (diff | hist) . . (+113) . . 2012 AIME I Problems/Problem 12
- 12:46, 15 May 2020 (diff | hist) . . (+113) . . 2012 AIME I Problems/Problem 11
- 12:45, 15 May 2020 (diff | hist) . . (+113) . . 2012 AIME I Problems/Problem 10
- 12:41, 15 May 2020 (diff | hist) . . (+113) . . 2012 AIME I Problems/Problem 9
- 12:35, 15 May 2020 (diff | hist) . . (+113) . . 2012 AIME I Problems/Problem 8
- 12:35, 15 May 2020 (diff | hist) . . (+113) . . 2012 AIME I Problems/Problem 7
- 12:34, 15 May 2020 (diff | hist) . . (+113) . . 2012 AIME I Problems/Problem 6
- 12:34, 15 May 2020 (diff | hist) . . (+113) . . 2012 AIME I Problems/Problem 5
- 12:33, 15 May 2020 (diff | hist) . . (+113) . . 2012 AIME I Problems/Problem 4
- 12:33, 15 May 2020 (diff | hist) . . (+113) . . 2012 AIME I Problems/Problem 3
- 12:32, 15 May 2020 (diff | hist) . . (+12) . . 2012 AIME I Problems/Problem 1 (→Video Solution by Richard Rusczyk)
- 12:32, 15 May 2020 (diff | hist) . . (+113) . . 2012 AIME I Problems/Problem 2
- 12:29, 15 May 2020 (diff | hist) . . (+101) . . 2012 AIME I Problems/Problem 1
- 17:13, 4 April 2020 (diff | hist) . . (+13) . . 2012 AMC 12A Problems/Problem 22 (→Video Solution by Richard Rusczyk) (current)
- 17:10, 4 April 2020 (diff | hist) . . (+12) . . 2012 AMC 12B Problems/Problem 25 (→Video Solution by Richard Rusczyk) (current)
- 17:09, 4 April 2020 (diff | hist) . . (+108) . . 2012 AMC 12B Problems/Problem 24
- 17:06, 4 April 2020 (diff | hist) . . (+108) . . 2012 AMC 12B Problems/Problem 23
- 17:03, 4 April 2020 (diff | hist) . . (+12) . . 2012 AMC 12B Problems/Problem 18 (→Video Solution by Richard Rusczyk)
- 17:03, 4 April 2020 (diff | hist) . . (+13) . . 2012 AMC 12B Problems/Problem 21 (→Video Solution by Richard Rusczyk)
- 17:00, 4 April 2020 (diff | hist) . . (+12) . . 2012 AMC 10B Problems/Problem 21 (→Video Solution by Richard Rusczyk)
- 17:00, 4 April 2020 (diff | hist) . . (+13) . . 2012 AMC 10B Problems/Problem 22 (→Video Solution by Richard Rusczyk)
- 17:00, 4 April 2020 (diff | hist) . . (+14) . . 2012 AMC 10B Problems/Problem 23 (→Video Solution by Richard Rusczyk)
- 16:59, 4 April 2020 (diff | hist) . . (+12) . . 2012 AMC 12B Problems/Problem 16 (→Video Solution by Richard Rusczyk)
- 16:58, 4 April 2020 (diff | hist) . . (+14) . . 2012 AMC 10B Problems/Problem 25 (→Video Solution by Richard Rusczyk)
- 16:56, 4 April 2020 (diff | hist) . . (-22) . . 2012 AMC 10B Problems/Problem 22
- 16:56, 4 April 2020 (diff | hist) . . (+21) . . 2012 AMC 10B Problems/Problem 22
- 16:55, 4 April 2020 (diff | hist) . . (+97) . . 2012 AMC 10B Problems/Problem 22
- 16:53, 4 April 2020 (diff | hist) . . (+97) . . 2012 AMC 10B Problems/Problem 21
- 16:53, 4 April 2020 (diff | hist) . . (+97) . . 2012 AMC 12B Problems/Problem 25
- 16:51, 4 April 2020 (diff | hist) . . (+97) . . 2012 AMC 10B Problems/Problem 23
- 16:51, 4 April 2020 (diff | hist) . . (+98) . . 2012 AMC 10B Problems/Problem 25
- 16:50, 4 April 2020 (diff | hist) . . (+96) . . 2012 AMC 12B Problems/Problem 21
- 16:48, 4 April 2020 (diff | hist) . . (+97) . . 2012 AMC 12B Problems/Problem 18
- 16:44, 4 April 2020 (diff | hist) . . (+97) . . 2012 AMC 12B Problems/Problem 16
- 16:43, 4 April 2020 (diff | hist) . . (+97) . . 2012 AMC 12A Problems/Problem 25
- 16:43, 4 April 2020 (diff | hist) . . (+97) . . 2012 AMC 12A Problems/Problem 24
- 16:42, 4 April 2020 (diff | hist) . . (+97) . . 2012 AMC 12A Problems/Problem 23
- 16:42, 4 April 2020 (diff | hist) . . (+95) . . 2012 AMC 12A Problems/Problem 22
- 16:34, 4 April 2020 (diff | hist) . . (-1) . . 2012 AMC 10A Problems/Problem 25 (→Solution 3)
- 16:34, 4 April 2020 (diff | hist) . . (-6) . . 2012 AMC 10A Problems/Problem 25 (→Solution 3)
- 16:28, 4 April 2020 (diff | hist) . . (+97) . . 2012 AMC 10A Problems/Problem 25
- 16:28, 4 April 2020 (diff | hist) . . (+97) . . 2012 AMC 10A Problems/Problem 24
- 16:28, 4 April 2020 (diff | hist) . . (+97) . . 2012 AMC 10A Problems/Problem 23
- 16:27, 4 April 2020 (diff | hist) . . (+97) . . 2012 AMC 10A Problems/Problem 22
- 16:26, 4 April 2020 (diff | hist) . . (+95) . . 2012 AMC 10A Problems/Problem 21
- 16:52, 3 April 2020 (diff | hist) . . (+13) . . 2013 AMC 12A Problems/Problem 25 (→Video Solution by Richard Rusczyk)
- 16:51, 3 April 2020 (diff | hist) . . (+13) . . 2013 AMC 12A Problems/Problem 24 (→Video Solution by Richard Rusczyk)
- 16:51, 3 April 2020 (diff | hist) . . (+13) . . 2013 AMC 12A Problems/Problem 23 (→Video Solution by Richard Rusczyk) (current)
- 16:51, 3 April 2020 (diff | hist) . . (+13) . . 2013 AMC 12A Problems/Problem 22 (→Video Solution by Richard Rusczyk)
- 16:49, 3 April 2020 (diff | hist) . . (+13) . . 2013 AMC 12A Problems/Problem 21 (→Video Solution by Richard Rusczyk)
- 16:49, 3 April 2020 (diff | hist) . . (+14) . . 2013 AMC 12A Problems/Problem 19
- 16:49, 3 April 2020 (diff | hist) . . (+13) . . 2013 AMC 12A Problems/Problem 18 (→Video Solution by Richard Rusczyk)
- 16:48, 3 April 2020 (diff | hist) . . (+13) . . 2013 AMC 12A Problems/Problem 17 (→Video Solution by Richard Rusczyk)
- 16:47, 3 April 2020 (diff | hist) . . (+96) . . 2013 AMC 12A Problems/Problem 19
- 16:46, 3 April 2020 (diff | hist) . . (+96) . . 2013 AMC 12A Problems/Problem 18
- 16:46, 3 April 2020 (diff | hist) . . (+95) . . 2013 AMC 12A Problems/Problem 17
- 16:45, 3 April 2020 (diff | hist) . . (+95) . . 2013 AMC 12A Problems/Problem 25
- 16:45, 3 April 2020 (diff | hist) . . (+95) . . 2013 AMC 12A Problems/Problem 24
- 16:44, 3 April 2020 (diff | hist) . . (+95) . . 2013 AMC 12A Problems/Problem 23
- 16:44, 3 April 2020 (diff | hist) . . (+96) . . 2013 AMC 12A Problems/Problem 22
- 16:44, 3 April 2020 (diff | hist) . . (+93) . . 2013 AMC 12A Problems/Problem 21
- 16:00, 3 April 2020 (diff | hist) . . (-22) . . 2014 AMC 10A Problems/Problem 23 (→Solution 3)
- 15:59, 3 April 2020 (diff | hist) . . (+22) . . 2014 AMC 10A Problems/Problem 23 (→Notes)
- 15:58, 3 April 2020 (diff | hist) . . (+1) . . 2014 AMC 10A Problems/Problem 23 (→Notes)
- 15:57, 3 April 2020 (diff | hist) . . (+5) . . 2014 AMC 10A Problems/Problem 23 (→=Notes)
- 15:57, 3 April 2020 (diff | hist) . . (+239) . . 2014 AMC 10A Problems/Problem 23 (→Solution 3)
- 15:47, 3 April 2020 (diff | hist) . . (+4) . . 2014 AMC 10A Problems/Problem 23 (→Solution 3)
- 15:47, 3 April 2020 (diff | hist) . . (+8) . . 2014 AMC 10A Problems/Problem 23 (→Solution 3)
- 15:42, 3 April 2020 (diff | hist) . . (+279) . . 2014 AMC 10A Problems/Problem 23
- 15:29, 3 April 2020 (diff | hist) . . (-116) . . 2014 AMC 10A Problems/Problem 22 (→Solution 2 (No Trigonometry))
- 16:23, 2 April 2020 (diff | hist) . . (+94) . . 2013 AMC 10A Problems/Problem 21
- 16:21, 2 April 2020 (diff | hist) . . (+94) . . 2013 AMC 10A Problems/Problem 22
- 16:20, 2 April 2020 (diff | hist) . . (-32) . . 2013 AMC 10A Problems/Problem 24 (→Video Solution by Richard Rusczyk)
- 16:20, 2 April 2020 (diff | hist) . . (0) . . 2013 AMC 10A Problems/Problem 24
- 16:18, 2 April 2020 (diff | hist) . . (+124) . . 2013 AMC 10A Problems/Problem 24
- 16:17, 2 April 2020 (diff | hist) . . (-1) . . 2013 AMC 10A Problems/Problem 23 (→Video Solution by Richard Rusczyk)
- 16:16, 2 April 2020 (diff | hist) . . (+95) . . 2013 AMC 10A Problems/Problem 23
- 16:14, 2 April 2020 (diff | hist) . . (-16) . . 2013 AMC 10A Problems/Problem 25 (→Video Solution by Richard Rusczyk)
- 16:13, 2 April 2020 (diff | hist) . . (+110) . . 2013 AMC 10A Problems/Problem 25
- 14:08, 2 April 2020 (diff | hist) . . (-8) . . 2013 AMC 10A Problems/Problem 23 (→Solution 5)
- 14:06, 2 April 2020 (diff | hist) . . (+477) . . 2013 AMC 10A Problems/Problem 23
- 13:31, 26 March 2020 (diff | hist) . . (+1) . . 1992 AIME Problems/Problem 4 (→Solution)
- 14:55, 25 March 2020 (diff | hist) . . (+14) . . 2005 AMC 10A Problems/Problem 22 (→Solution)
- 14:53, 25 March 2020 (diff | hist) . . (0) . . 2005 AMC 10A Problems/Problem 22 (→Solution)
- 14:53, 25 March 2020 (diff | hist) . . (+27) . . 2005 AMC 10A Problems/Problem 22 (→Solution)
- 14:48, 25 March 2020 (diff | hist) . . (-19) . . 2005 AMC 10A Problems/Problem 22 (→Solution)
- 14:45, 25 March 2020 (diff | hist) . . (+1) . . 2005 AMC 10A Problems/Problem 25 (→Solution 4)
- 14:42, 25 March 2020 (diff | hist) . . (-7) . . 2005 AMC 10A Problems/Problem 25 (→Solution 4)
- 14:41, 25 March 2020 (diff | hist) . . (+5) . . 2005 AMC 10A Problems/Problem 25 (→Solution 4)
- 14:40, 25 March 2020 (diff | hist) . . (+1) . . 2005 AMC 10A Problems/Problem 25 (→Solution 4)
- 14:39, 25 March 2020 (diff | hist) . . (+110) . . 2005 AMC 10A Problems/Problem 25 (→Solution 4)
- 14:00, 24 March 2020 (diff | hist) . . (+7) . . 2002 AMC 10A Problems/Problem 23 (→Simpler Solution)
- 13:57, 24 March 2020 (diff | hist) . . (+518) . . 2002 AMC 10A Problems/Problem 23
- 13:32, 24 March 2020 (diff | hist) . . (+1) . . 2003 AMC 10A Problems/Problem 23 (→Note)
- 13:32, 24 March 2020 (diff | hist) . . (+170) . . 2003 AMC 10A Problems/Problem 23
- 14:52, 23 March 2020 (diff | hist) . . (-1) . . 2000 AMC 12 Problems/Problem 18 (→Solution 2)
- 14:51, 23 March 2020 (diff | hist) . . (0) . . 2000 AMC 12 Problems/Problem 18 (→Solution 2)
- 14:51, 23 March 2020 (diff | hist) . . (+15) . . 2000 AMC 12 Problems/Problem 18 (→Solution 2)
- 14:49, 23 March 2020 (diff | hist) . . (+649) . . 2000 AMC 12 Problems/Problem 18
- 14:24, 23 March 2020 (diff | hist) . . (-7) . . 2000 AMC 12 Problems/Problem 15 (→Solution 2)
- 14:23, 23 March 2020 (diff | hist) . . (+10) . . 2000 AMC 12 Problems/Problem 15 (→Solution 2)
- 14:22, 23 March 2020 (diff | hist) . . (+224) . . 2000 AMC 12 Problems/Problem 15
- 14:19, 23 March 2020 (diff | hist) . . (-69) . . 2000 AMC 12 Problems/Problem 15 (→Solution 1)
- 14:18, 23 March 2020 (diff | hist) . . (0) . . 2000 AMC 12 Problems/Problem 15 (→Solution 3)
- 14:18, 23 March 2020 (diff | hist) . . (0) . . 2000 AMC 12 Problems/Problem 15 (→Solution 2)
- 15:12, 20 March 2020 (diff | hist) . . (+11) . . 2008 AMC 10A Problems (→Problem 21)
- 22:53, 8 February 2020 (diff | hist) . . (-286) . . 2020 AMC 10B Problems/Problem 15
- 21:34, 7 February 2020 (diff | hist) . . (0) . . 2020 AMC 10B Problems/Problem 15 (→Solution 2)
- 21:33, 7 February 2020 (diff | hist) . . (+29) . . 2020 AMC 10B Problems/Problem 15
- 21:32, 7 February 2020 (diff | hist) . . (+728) . . 2020 AMC 10B Problems/Problem 15
- 15:19, 26 January 2020 (diff | hist) . . (+42) . . 2019 AMC 10B Problems/Problem 23 (→Solution 4 (how fast can you multiply two-digit numbers?))
- 13:01, 21 January 2020 (diff | hist) . . (-3) . . 2016 AMC 10A Problems/Problem 19 (→Solution 5 (Easy Coord Bash))
- 21:23, 20 January 2020 (diff | hist) . . (+766) . . 2016 AMC 10A Problems/Problem 19
- 17:06, 19 January 2020 (diff | hist) . . (+33) . . 2016 AMC 10A Problems/Problem 19 (→Solution 2(Coordinate Bash))
- 17:04, 19 January 2020 (diff | hist) . . (+66) . . 2016 AMC 10A Problems/Problem 19 (→Solution 2(Coordinate Bash))
- 16:43, 12 January 2020 (diff | hist) . . (+52) . . 2017 AMC 10B Problems/Problem 24 (→Solution 2)
- 15:49, 27 November 2019 (diff | hist) . . (0) . . 2019 AMC 8 Problems/Problem 3 (→Solution 2)
- 15:49, 27 November 2019 (diff | hist) . . (0) . . 2019 AMC 8 Problems/Problem 3 (→Solution 2)
- 15:49, 27 November 2019 (diff | hist) . . (+327) . . 2019 AMC 8 Problems/Problem 3 (→Solution 2)
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