MathForces: Math Olympiads
MathForces - Math Olympiads
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terehin
Olympiad Rating:
1149
Problem rating:
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Country: RU
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MathForces Round 2: Beginners
1149
QARAнтин: Комбинаторика
1200
Problems solved: 62
Uneven numbers
Fractions
Friendly rooks
Irreducible Fractions
Sum of Digits
6-sums
Five Primes
Just Easy Sum
Powered Numbers (Duplicate)
Powered Numbers
Lucky numbers
Triangle in hyperbola
Arithmetic derivative
Odd polynomial
All such
Many digits
Solutions on the interval
Diameter
Cool-divisble numbers
Sequenta
Tricky polynomial
Similar polynomials
Simple expression
Minimizing Fibb
Expanding brackets
Oh-matrix
U turn
Odd divisors
Tricky
Bools and cows
5 instead of 1
Product of differences
6 Apart
Parking
Equilateral Triangles
Just sequence
Small triangular numbers
Not your business
Zero sequence
Bingo!
Sum of digits 2020
Square multiples of 24
Divisibility by 4
Squared fours
Function
Almost squared numbers
2+1
Area of triangle
One three-digit number
Weird equation
NRD pair
Relatively prime with 2020
2020 digit
Money date
2020 Palindromes
Random answer
Sum of four
Test
Temirlan's cake
Cubical squares
Numbers ratio
Tommorow's day
Games
Under construction