User contributions
- 09:33, 27 July 2021 (diff | hist) . . (+58) . . 2021 IMO Problems/Problem 2 (→Video solution)
- 23:32, 22 July 2021 (diff | hist) . . (+70) . . 2021 IMO Problems/Problem 1 (→Solution)
- 00:53, 7 April 2021 (diff | hist) . . (+236) . . 2021 AIME I Problems/Problem 13 (→Solution)
- 13:05, 5 November 2020 (diff | hist) . . (+142) . . 2020 INMO
- 13:02, 5 November 2020 (diff | hist) . . (+9) . . 2020 INMO Problems/Problem 5 (→Solution)
- 13:00, 5 November 2020 (diff | hist) . . (-15) . . 2020 INMO
- 12:58, 5 November 2020 (diff | hist) . . (-22) . . 2020 INMO
- 12:55, 5 November 2020 (diff | hist) . . (+11) . . 2020 INMO Problems/Problem 6 (→Solution) (current)
- 12:55, 5 November 2020 (diff | hist) . . (+1,904) . . N 2020 INMO Problems/Problem 6 (Created page with "==Problem== A stromino is a <math>3 \times 1</math> rectangle. Show that a <math>5 \times 5</math> board divided into twenty-five <math>1 \times 1</math> squares cannot be co...")
- 12:51, 5 November 2020 (diff | hist) . . (+3,477) . . N 2020 INMO Problems/Problem 5 (Created page with "==Problem== Infinitely many equidistant parallel lines are drawn in the plane. A positive integer <math>n \geqslant 3</math> is called frameable if it is possible to draw a r...")
- 12:36, 5 November 2020 (diff | hist) . . (+128) . . 2020 INMO
- 12:34, 5 November 2020 (diff | hist) . . (+9) . . 2020 INMO Problems/Problem 4 (→Solution(2)) (current)
- 12:33, 5 November 2020 (diff | hist) . . (-12) . . 2020 INMO Problems/Problem 4 (→Solution(2))
- 12:32, 5 November 2020 (diff | hist) . . (+5) . . 2020 INMO Problems/Problem 4 (→Solution(2))
- 12:31, 5 November 2020 (diff | hist) . . (+3,502) . . N 2020 INMO Problems/Problem 4 (Created page with "==Problem== Let <math>n \geqslant 2</math> be an integer and let <math>1<a_1 \le a_2 \le \dots \le a_n</math> be <math>n</math> real numbers such that <math>a_1+a_2+\dots+a_n...")
- 12:27, 5 November 2020 (diff | hist) . . (+1) . . Indian National Mathematical Olympiad (→PROBLEM AND SOLUTION)
- 12:26, 5 November 2020 (diff | hist) . . (+1) . . 2020 INMO Problems/Problem 3 (→Solution(1))
- 12:25, 5 November 2020 (diff | hist) . . (-21) . . 2020 INMO Problems/Problem 3 (→Solution(1))
- 12:24, 5 November 2020 (diff | hist) . . (+4,309) . . N 2020 INMO Problems/Problem 3 (Created page with "==PROBLEM== Let <math>S</math> be a subset of <math>\{0,1,2,\cdots ,9\}</math>. Suppose there is a positive integer <math>N</math> such that for any integer <math>n>N</math>,...")
- 12:02, 5 November 2020 (diff | hist) . . (+2,244) . . N 2020 INMO Problems/Problem 2 (Created page with "==PROBLEM== Suppose <math>P(x)</math> is a polynomial with real coefficients, satisfying the condition <math>P(\cos \theta+\sin \theta)=P(\cos \theta-\sin \theta)</math>, for...") (current)
- 11:56, 5 November 2020 (diff | hist) . . (+2,332) . . N 2020 INMO Problems/Problem 1 (Created page with "==PROBLEM== Let <math>\Gamma_1</math> and <math>\Gamma_2</math> be two circles of unequal radii, with centres <math>O_1</math> and <math>O_2</math> respectively, intersecting...") (current)
- 11:50, 5 November 2020 (diff | hist) . . (+316) . . N 2020 INMO (Created page with " * Entire Test ** Problem 1 ** Problem 2 ** 2020 INMO Problems/Problem 3|Problem...")
- 11:47, 5 November 2020 (diff | hist) . . (+121) . . Indian National Mathematical Olympiad
- 23:34, 26 September 2020 (diff | hist) . . (+13) . . 2020 IMO Problems/Problem 2 (→Solution)
- 23:31, 26 September 2020 (diff | hist) . . (+105) . . 2020 IMO Problems/Problem 2 (→Solution)
- 23:20, 26 September 2020 (diff | hist) . . (+1,011) . . 2020 IMO Problems/Problem 2
- 23:18, 26 September 2020 (diff | hist) . . (+3) . . 2020 IMO Problems/Problem 1
- 23:17, 26 September 2020 (diff | hist) . . (+48) . . 2020 IMO Problems/Problem 1
- 01:58, 16 September 2020 (diff | hist) . . (+48) . . 2019 IMO Problems/Problem 3 (→Problem)
- 02:36, 11 July 2020 (diff | hist) . . (+49) . . 1993 IMO Problems/Problem 5 (→Solution)
- 02:15, 5 July 2020 (diff | hist) . . (+103) . . 1993 IMO Problems/Problem 5 (→Solution)
- 02:10, 5 July 2020 (diff | hist) . . (+270) . . 1993 IMO Problems/Problem 5 (→Problem)
- 02:08, 5 July 2020 (diff | hist) . . (-4,028) . . 1993 IMO Problems/Problem 5 (→Solution) (Tag: Replaced)
- 02:07, 5 July 2020 (diff | hist) . . (+4,053) . . N 1993 IMO Problems/Problem 5 (Created page with "==Problem== ==Solution== This is very beautiful problem. I should start with some observation, <math>f(f(1))=f(1)+1=3=f(2)</math>. <math>f(f(2))=f(2)+2=5=f(3)</math>. [c...")
- 03:49, 19 June 2020 (diff | hist) . . (-12) . . 2020 AIME I Problems/Problem 8 (→Video solution with motion in python)
- 03:49, 19 June 2020 (diff | hist) . . (+139) . . 2020 AIME I Problems/Problem 8 (→Solution 1 (Coordinates))
- 03:45, 19 June 2020 (diff | hist) . . (+65) . . 2020 AIME I Problems/Problem 6 (→Solution)
- 03:44, 19 June 2020 (diff | hist) . . (+50) . . 2020 AIME I Problems/Problem 5 (→Solution 1)
- 03:42, 19 June 2020 (diff | hist) . . (+53) . . 2020 AIME I Problems/Problem 4 (→Solution)
- 03:41, 19 June 2020 (diff | hist) . . (+49) . . 2020 AIME I Problems/Problem 3 (→Solution)
- 03:37, 19 June 2020 (diff | hist) . . (+53) . . 2020 AIME I Problems/Problem 2 (→Solution)
- 03:36, 19 June 2020 (diff | hist) . . (-12) . . 2020 AIME I Problems/Problem 1 (→Animation and Video solution)
- 03:19, 19 June 2020 (diff | hist) . . (+62) . . 2020 AIME I Problems/Problem 1 (→See Also)
- 23:32, 20 January 2020 (diff | hist) . . (+1) . . 1986 IMO Problems/Problem 1 (→Solution 3)
- 23:32, 20 January 2020 (diff | hist) . . (0) . . 1986 IMO Problems/Problem 1 (→Solution 3)
- 23:31, 20 January 2020 (diff | hist) . . (0) . . 1986 IMO Problems/Problem 1 (→Solution 3)
- 23:30, 20 January 2020 (diff | hist) . . (+739) . . 1986 IMO Problems/Problem 1
- 13:49, 3 January 2020 (diff | hist) . . (+1) . . 2019 AIME I Problems/Problem 12 (→Solution 3)
- 13:47, 3 January 2020 (diff | hist) . . (+842) . . 2019 AIME I Problems/Problem 12 (→See Also)
- 05:12, 30 December 2019 (diff | hist) . . (0) . . 1982 USAMO Problems/Problem 2 (→Problem: x instead of x)
