# User contributions

- 01:53, 7 April 2021 (diff | hist) . . (+236) . . 2021 AIME I Problems/Problem 13 (→Solution)
- 14:05, 5 November 2020 (diff | hist) . . (+142) . . 2020 INMO
- 14:02, 5 November 2020 (diff | hist) . . (+9) . . 2020 INMO Problems/Problem 5 (→Solution) (current)
- 14:00, 5 November 2020 (diff | hist) . . (-15) . . 2020 INMO
- 13:58, 5 November 2020 (diff | hist) . . (-22) . . 2020 INMO
- 13:55, 5 November 2020 (diff | hist) . . (+11) . . 2020 INMO Problems/Problem 6 (→Solution) (current)
- 13:55, 5 November 2020
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**(+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...") - 13:51, 5 November 2020
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**(+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...") - 13:36, 5 November 2020 (diff | hist) . . (+128) . . 2020 INMO
- 13:34, 5 November 2020 (diff | hist) . . (+9) . . 2020 INMO Problems/Problem 4 (→Solution(2)) (current)
- 13:33, 5 November 2020 (diff | hist) . . (-12) . . 2020 INMO Problems/Problem 4 (→Solution(2))
- 13:32, 5 November 2020 (diff | hist) . . (+5) . . 2020 INMO Problems/Problem 4 (→Solution(2))
- 13:31, 5 November 2020
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**(+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...") - 13:27, 5 November 2020 (diff | hist) . . (+1) . . Indian National Mathematical Olympiad (→PROBLEM AND SOLUTION) (current)
- 13:26, 5 November 2020 (diff | hist) . . (+1) . . 2020 INMO Problems/Problem 3 (→Solution(1)) (current)
- 13:25, 5 November 2020 (diff | hist) . . (-21) . . 2020 INMO Problems/Problem 3 (→Solution(1))
- 13:24, 5 November 2020
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**(+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>,...") - 13:02, 5 November 2020
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**(+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) - 12:56, 5 November 2020
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**(+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) - 12:50, 5 November 2020 (diff | hist) . . (+316) . . N 2020 INMO (Created page with " * Entire Test ** Problem 1 ** Problem 2 ** 2020 INMO Problems/Problem 3|Problem...")
- 12:47, 5 November 2020 (diff | hist) . . (+121) . . Indian National Mathematical Olympiad
- 00:34, 27 September 2020 (diff | hist) . . (+13) . . 2020 IMO Problems/Problem 2 (→Solution)
- 00:31, 27 September 2020 (diff | hist) . . (+105) . . 2020 IMO Problems/Problem 2 (→Solution)
- 00:20, 27 September 2020
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**(+1,011)** . . 2020 IMO Problems/Problem 2 - 00:18, 27 September 2020 (diff | hist) . . (+3) . . 2020 IMO Problems/Problem 1
- 00:17, 27 September 2020 (diff | hist) . . (+48) . . 2020 IMO Problems/Problem 1
- 02:58, 16 September 2020 (diff | hist) . . (+48) . . 2019 IMO Problems/Problem 3 (→Problem) (current)
- 03:36, 11 July 2020 (diff | hist) . . (+49) . . 1993 IMO Problems/Problem 5 (→Solution) (current)
- 03:15, 5 July 2020 (diff | hist) . . (+103) . . 1993 IMO Problems/Problem 5 (→Solution)
- 03:10, 5 July 2020 (diff | hist) . . (+270) . . 1993 IMO Problems/Problem 5 (→Problem)
- 03:08, 5 July 2020
(diff | hist) . .
**(-4,028)** . . 1993 IMO Problems/Problem 5 (→Solution) (Tag: Replaced) - 03:07, 5 July 2020
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**(+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...") - 04:49, 19 June 2020 (diff | hist) . . (-12) . . 2020 AIME I Problems/Problem 8 (→Video solution with motion in python)
- 04:49, 19 June 2020 (diff | hist) . . (+139) . . 2020 AIME I Problems/Problem 8 (→Solution 1 (Coordinates))
- 04:45, 19 June 2020 (diff | hist) . . (+65) . . 2020 AIME I Problems/Problem 6 (→Solution) (current)
- 04:44, 19 June 2020 (diff | hist) . . (+50) . . 2020 AIME I Problems/Problem 5 (→Solution 1)
- 04:42, 19 June 2020 (diff | hist) . . (+53) . . 2020 AIME I Problems/Problem 4 (→Solution)
- 04:41, 19 June 2020 (diff | hist) . . (+49) . . 2020 AIME I Problems/Problem 3 (→Solution)
- 04:37, 19 June 2020 (diff | hist) . . (+53) . . 2020 AIME I Problems/Problem 2 (→Solution)
- 04:36, 19 June 2020 (diff | hist) . . (-12) . . 2020 AIME I Problems/Problem 1 (→Animation and Video solution)
- 04:19, 19 June 2020 (diff | hist) . . (+62) . . 2020 AIME I Problems/Problem 1 (→See Also)
- 00:32, 21 January 2020 (diff | hist) . . (+1) . . 1986 IMO Problems/Problem 1 (→Solution 3)
- 00:32, 21 January 2020 (diff | hist) . . (0) . . 1986 IMO Problems/Problem 1 (→Solution 3)
- 00:31, 21 January 2020 (diff | hist) . . (0) . . 1986 IMO Problems/Problem 1 (→Solution 3)
- 00:30, 21 January 2020
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**(+739)** . . 1986 IMO Problems/Problem 1 - 14:49, 3 January 2020 (diff | hist) . . (+1) . . 2019 AIME I Problems/Problem 12 (→Solution 3)
- 14:47, 3 January 2020
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**(+842)** . . 2019 AIME I Problems/Problem 12 (→See Also) - 06:12, 30 December 2019 (diff | hist) . . (0) . . 1982 USAMO Problems/Problem 2 (→Problem: x instead of x)