# User contributions

(newest | oldest) View (newer 50 | older 50) (20 | 50 | 100 | 250 | 500)

- 00:03, 9 June 2023 (diff | hist) . . (+68) . . Mock AIME
- 22:38, 23 May 2023 (diff | hist) . . (-23) . . 2023 USAMO Problems/Problem 5 (→Solution 1)
- 23:26, 22 May 2023
(diff | hist) . .
**(+1,738)** . . 2021 USAMO Problems/Problem 6 (current) - 23:25, 22 May 2023 (diff | hist) . . (+5) . . 2023 USAMO Problems/Problem 5 (→Proof that composites do not work)
- 23:23, 22 May 2023
(diff | hist) . .
**(+2,824)** . . 2023 USAMO Problems/Problem 5 - 14:36, 16 April 2023 (diff | hist) . . (+436) . . 2023 USAJMO Problems/Problem 2
- 11:20, 22 March 2023 (diff | hist) . . (+120) . . Sam Vandervelde
- 21:34, 5 November 2022 (diff | hist) . . (0) . . 2021 AMC 10B Problems (→Problem 20)
- 19:13, 27 September 2022 (diff | hist) . . (-5) . . AMC 10 Problems and Solutions
- 13:03, 21 February 2022 (diff | hist) . . (-2) . . 2022 AIME I Problems/Problem 14 (→Solution (Number Theory Part))
- 21:46, 20 February 2022 (diff | hist) . . (+1) . . 2022 AIME I Problems/Problem 14 (→Solution (Number Theory Part))
- 21:44, 20 February 2022 (diff | hist) . . (0) . . 2022 AIME I Problems/Problem 14 (→Solution (Number Theory Part))
- 21:43, 20 February 2022 (diff | hist) . . (+13) . . 2022 AIME I Problems/Problem 14 (→Solution (Number Theory Part))
- 21:42, 20 February 2022 (diff | hist) . . (+5) . . 2022 AIME I Problems/Problem 14 (→Solution (Number Theory))
- 21:42, 20 February 2022
(diff | hist) . .
**(+1,013)** . . 2022 AIME I Problems/Problem 14 (→Solution (Geometry + Number Theory)) - 21:07, 20 February 2022 (diff | hist) . . (+16) . . 2022 AIME I Problems/Problem 14 (→The NT Part)
- 16:00, 19 February 2022 (diff | hist) . . (-1) . . 2022 AIME I Problems/Problem 11 (→Solution 3)
- 13:18, 18 February 2022 (diff | hist) . . (+13) . . 2022 AIME I Problems/Problem 11 (→Solution 3)
- 13:16, 18 February 2022
(diff | hist) . .
**(+1,215)** . . 2022 AIME I Problems/Problem 11 (→Solution 2) - 12:46, 18 February 2022 (diff | hist) . . (-3) . . 2022 AIME I Problems/Problem 15 (→Solution 5)
- 12:43, 18 February 2022 (diff | hist) . . (+307) . . 2022 AIME I Problems/Problem 15 (→Solution 5)
- 12:37, 18 February 2022
(diff | hist) . .
**(+1,426)** . . 2022 AIME I Problems/Problem 15 (→Solution 4) - 19:22, 22 December 2021 (diff | hist) . . (0) . . 2016 AIME II Problems/Problem 10 (→Solution 4)
- 18:52, 22 December 2021 (diff | hist) . . (0) . . 2016 AIME II Problems/Problem 10 (→Solution 4)
- 18:32, 22 December 2021 (diff | hist) . . (0) . . 2016 AIME II Problems/Problem 10 (→Solution 4)
- 18:31, 22 December 2021
(diff | hist) . .
**(+871)** . . 2016 AIME II Problems/Problem 10 - 15:54, 24 November 2021 (diff | hist) . . (+1) . . 2021 Fall AMC 12A Problems/Problem 23 (→Solution 1 (Vieta’s Formulas))
- 13:18, 23 November 2021 (diff | hist) . . (+42) . . 2021 Fall AMC 10A Problems/Problem 25 (→Solution 1 (Vieta’s Formulas))
- 13:14, 23 November 2021 (diff | hist) . . (+31) . . 2021 Fall AMC 10A Problems/Problem 25
- 12:19, 23 November 2021 (diff | hist) . . (0) . . 2021 Fall AMC 10B Problems (→Problem 18)
- 12:07, 23 November 2021 (diff | hist) . . (-256) . . 2021 Fall AMC 10A Problems/Problem 16
- 12:06, 23 November 2021 (diff | hist) . . (+256) . . 2021 Fall AMC 10A Problems/Problem 16
- 21:36, 22 November 2021
(diff | hist) . .
**(+871)** . . N 2021 Fall AMC 10B Problems/Problem 19 (Created page with "== Problem == Three identical square sheets of paper each with side length <math>6{ }</math> are stacked on top of each other. The middle sheet is rotated clockwise <math>30^...") - 21:36, 22 November 2021 (diff | hist) . . (+53) . . 2021 Fall AMC 10B Problems (→Problem 18)
- 21:35, 22 November 2021 (diff | hist) . . (0) . . 2021 Fall AMC 10B Problems (→Problem 19)
- 21:35, 22 November 2021 (diff | hist) . . (+52) . . 2021 Fall AMC 10B Problems (→Problem 19)
- 21:33, 22 November 2021 (diff | hist) . . (+5) . . 2021 AMC 10B Problems (→See also)
- 21:32, 22 November 2021 (diff | hist) . . (-20) . . 2021 Fall AMC 10A Problems (→See also)
- 21:27, 22 November 2021 (diff | hist) . . (+15) . . 2021 Fall AMC 10A Problems/Problem 23
- 21:27, 22 November 2021 (diff | hist) . . (+394) . . N 2021 Fall AMC 10A Problems/Problem 23 (Created page with "For each positive integer <math>n</math>, let <math>f_1(n)</math> be twice the number of positive integer divisors of <math>n</math>, and for <math>j \ge 2</math>, let <math>f...")
- 21:04, 22 November 2021 (diff | hist) . . (+1) . . 2021 Fall AMC 10A Problems/Problem 25 (→Solution 1)
- 21:03, 22 November 2021 (diff | hist) . . (-13) . . 2021 Fall AMC 10A Problems/Problem 25 (→Solution 1)
- 21:03, 22 November 2021 (diff | hist) . . (+14) . . 2021 Fall AMC 10A Problems/Problem 25 (→Solution 1)
- 21:02, 22 November 2021 (diff | hist) . . (+235) . . 2021 Fall AMC 10A Problems/Problem 25 (→Solution 1)
- 20:53, 22 November 2021 (diff | hist) . . (+108) . . 2021 Fall AMC 10A Problems/Problem 25 (→Solution 1)
- 20:51, 22 November 2021 (diff | hist) . . (+107) . . 2021 Fall AMC 10A Problems/Problem 25 (→Solution 1)
- 20:49, 22 November 2021 (diff | hist) . . (+15) . . 2021 Fall AMC 10A Problems/Problem 25 (→Solution 1)
- 19:49, 22 November 2021
(diff | hist) . .
**(+573)** . . 2021 Fall AMC 10A Problems/Problem 22 - 19:12, 22 November 2021 (diff | hist) . . (+465) . . N 2021 Fall AMC 10A Problems/Problem 22 (Created page with "== Problem == Inside a right circular cone with base radius <math>5</math> and height <math>12</math> are three congruent spheres with radius <math>r</math>. Each sphere is ta...")
- 19:03, 22 November 2021 (diff | hist) . . (+34) . . 2021 Fall AMC 10A Problems (→Problem 17)

(newest | oldest) View (newer 50 | older 50) (20 | 50 | 100 | 250 | 500)