User contributions
- 10:48, 1 November 2023 (diff | hist) . . (+2) . . 2023 INMO Problems/Problem 1 (→SOLUTION)
- 09:09, 27 October 2023 (diff | hist) . . (-112) . . 2023 AIME I Problems/Problem 2 (→Problem)
- 00:07, 27 October 2023 (diff | hist) . . (-252) . . 2023 AIME I Problems/Problem 2 (→Problem)
- 00:07, 27 October 2023 (diff | hist) . . (+3) . . 2023 AIME I Problems/Problem 2 (→Problem)
- 00:05, 27 October 2023 (diff | hist) . . (+669) . . N 2023 IOQM/Problem 26 (Created page with ". In the land of Binary, the unit of currency is called Ben and currency notes are available in denominations 1, 2, 2 2 , 2 3 , . . . Bens. The rules of the Government of Bina...") (current)
- 00:04, 27 October 2023 (diff | hist) . . (+164) . . N 2023 IOQM/Problem 10 (Created page with "The sequence hanin≥0 is defined by a0 = 1, a1 = −4 and an+2 = −4an+1 − 7an , for n ≥ 0 . Find the number of positive integer divisors of a 2 50 − a49a51")
- 00:04, 27 October 2023 (diff | hist) . . (+205) . . N 2023 IOQM/Problem 13 (Created page with "The ex-radii of a triangle are 10 1 2 , 12 and 14. If the sides of the triangle are the roots of the cubic x 3 − px2 + qx − r = 0 , where p, q, r are integers, find the in...") (current)
- 00:03, 27 October 2023 (diff | hist) . . (+238) . . N 2023 IOQM/Problem 21 (Created page with "For n ∈ N , consider non-negative integer-valued functions f on {1, 2, . . . , n} satisfying f(i) ≥ f(j) for i > j and Pn i=1 (i + f(i)) = 2023 . Choose n such that Pn i=1...") (current)
- 00:03, 27 October 2023 (diff | hist) . . (+640) . . N 2023 IOQM/Problem 28 (Created page with "On each side of an equilateral triangle with side length n units, where n is an integer, 1 ≤ n ≤ 100 , consider n − 1 points that divide the side into n equal segments....") (current)
- 00:02, 27 October 2023 (diff | hist) . . (+368) . . N 2023 IOQM/Problem 20 (Created page with "For any finite non empty set X of integers, let max(X) denote the largest element of X and |X| denote the number of elements in X . If N is the number of ordered pairs (A, B)...") (current)
- 00:02, 27 October 2023 (diff | hist) . . (+273) . . N 2023 IOQM/Problem 19 (Created page with "For n ∈ N , let P(n) denote the product of the digits in n and S(n) denote the sum of the digits in n . Consider the set A = {n ∈ N : P(n) is non-zero, square free and S(n...") (current)
- 00:01, 27 October 2023 (diff | hist) . . (+271) . . N 2023 IOQM/Problem 18 (Created page with "Let P be a convex polygon with 50 vertices. A set F of diagonals of P is said to be minimally friendly if any diagonal d ∈ F intersects at most one other diagonal in F at a...") (current)
