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All problems with tag: Combinatorics



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Name сортировать Difficulty сортировать Users
Solved сортировать		 Tags сортировать
Rotating Hexagon 600 3 Geometry, Combinatorics
Air MF 500 6 Combinatorics
Sum of four 100 444 Combinatorics, Digits
Money date 100 337 Combinatorics, Probabilities
Pencils 400 7 Combinatorics
C Sum 300 124 Algebra, Combinatorics, Formulas
Lin the Racoon's Debut 600 18 Combinatorics, Raccoon
Convex triangle 400 39 Geometry, Combinatorics
Teleporting button 300 18 Combinatorics, Probabilities
2020 Palindromes 100 396 Combinatorics, Palindromes
Friendly Team 400 12 Combinatorics
!Fancy sequence 600 8 Combinatorics, Number-Theory
These Triangles 300 22 Geometry, Combinatorics
Bingo! 200 162 Combinatorics, Probabilities
Friendly rooks 200 167 Combinatorics, Chess
Where is my husband 500 23 Combinatorics, True-False
Lin Jumper 500 15 Combinatorics
Unfair Game 400 31 Combinatorics
Bools and cows 200 165 Random, Combinatorics
Obtuser 400 19 Combinatorics, Geometry
Lin's Octagon 300 45 Combinatorics
Circled 700 13 Geometry, Combinatorics
Switchers 400 44 Combinatorics, Sets
Reverse Product 400 36 Combinatorics, Number-Theory
Total inversion 500 31 Combinatorics, Geometry
!Fancy grid 700 9 Combinatorics, Graphs
More dominos 400 31 Combinatorics
Simple expression 300 84 Algebra, Combinatorics
Equilateral Triangles 200 218 Combinatorics, Grids
Monochromatics 400 6 Combinatorics, Graphs
Zeros and Ones 300 25 Combinatorics
Number Coloring 400 22 Combinatorics
Big set 400 15 Combinatorics
Love Triangle 400 6 Combinatorics
Again these rooks 600 58 Combinatorics, Boards
Subsets Collection 600 27 Combinatorics, Sets
Difference of squares 200 51 Combinatorics, Number-Theory
Random numbers 400 17 Algebra, Combinatorics
Divisible sets 300 6 Combinatorics
0,1,2 polynomial 400 20 Combinatorics, Algebra
Probability computer 300 37 Combinatorics
Fill the square 400 16 Combinatorics, Algebra
Sum probability 300 83 Combinatorics, Algebra, Probablilities
Almost fixed 400 14 Combinatorics, Algebra
Math lesson 400 41 Number-Theory, Combinatorics
Soccer Game 500 11 Combinatorics
Quadratic Sets 400 9 Combinatorics, Sets, Algebra
Independence 300 10 Combinatorics, Probabilities
Factorial Factor 200 63 Number-Theory, Combinatorics
Revolution 300 22 Combinatorics
Regular Polygons 200 53 Geometry, Combinatorics
Rooks 600 16 Combinatorics
School Clubs 500 3 Combinatorics
Infinite game 500 42 Combinatorics, Games
Pentagon 500 17 Geometry, Combinatorics, Pentagons
Flights 500 9 Combinatorics, Graphs
Checkboard 600 3 Combinatorics
MathForces Store 500 32 Combinatorics
Prime Sets 500 8 Combinatorics, Number-Theory
Lin's Game 400 9 Combinatorics, Games
Half of Octahedron 400 123 Combinatorics, Graphs
Novirus 300 82 Combinatorics, Graphs
Half Integers 500 2 Combinatorics, Geometry
Parking 300 190 Combinatorics
Weird games 500 20 Combinatorics
Ordered papers 300 34 Combinatorics
Friends Playing 600 18 Combinatorics
Magic Ruler 500 7 Geometry, Combinatorics