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All problems with tag: Number-Theory



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Name сортировать Difficulty сортировать Users
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Special square 500 56 Number-Theory, Squares
Viet said 500 110 Number-Theory
Lin does shopping 200 30 Algebra, Number-Theory
Relatively prime with 2020 200 244 Number-Theory, Prime-Numbers
Odd divisors 300 91 Number-Theory, Divisors
Positive product of sums 300 75 Algebra, Equations, Number-Theory
Interesting functions 600 12 Number-Theory
All such 400 68 Number-Theory, Equations
Tricky sequence 500 30 Number-Theory, Algebra, Sequences
Divisibility by 4 200 236 Number-Theory, Digits
x[x] 400 58 Number-Theory, Floor-Function
335577 500 35 Number-Theory, Powers
Progressive sequence 500 18 Algebra, Number-Theory, Sequences
!Fancy sequence 600 8 Combinatorics, Number-Theory
Almost squared numbers 300 49 Number-Theory
Exactly two roots 400 50 Number-Theory, Equations
Arithmetic derivative 500 42 Number-Theory, Functions
Tricky 400 61 Number-Theory
Squared fours 200 209 Number-Theory, Algebra
NRD pair 200 97 Number-Theory, Prime-Numbers
Reverse Product 400 36 Combinatorics, Number-Theory
VNT 500 97 Number-Theory, LTE
Rational Irrational 300 34 Algebra, Number-Theory
Powered Numbers (Duplicate) 300 51 Algebra, Number-Theory
U turn 200 150 Algebra, Number-Theory, Digits
Difference of squares 200 51 Combinatorics, Number-Theory
Simple Altai 400 19 Number-Theory
Base4 300 33 Number-Theory
Small triangular numbers 200 137 Algebra, Number-Theory
Powered Numbers 300 51 Algebra, Number-Theory
Sum of Digits 200 73 Number-Theory, Digits
Uneven numbers 100 144 Number-Theory
Irreducible Fractions 200 87 Number-Theory
Smallest fraction 300 27 Algebra, Number-Theory
Cool-divisble numbers 300 69 Number-Theory, Digits
Concatenate 500 15 Number-Theory
Sum of digits 2020 200 153 Number-Theory, Digits
Interesting permutations 600 6 Number-Theory
Math lesson 400 41 Number-Theory, Combinatorics
Cube Cube Square 300 28 Algebra, Number-Theory
Binary Sum 500 27 Number-Theory, Algebra
!Fancy cubic 300 68 Algebra, Number-Theory
Five Primes 100 148 Number-Theory
Not constant 300 28 Algebra, Number-Theory
Mathrix 600 5 Algebra, Number-Theory, Matrices
Quadratic 300 49 Algebra, Number-Theory
Factorial Factor 200 63 Number-Theory, Combinatorics
Cuboid 300 27 Number-Theory
Sequence 300 46 Number-Theory
Prime Sets 500 8 Combinatorics, Number-Theory
Flip 200 65 Algebra, Number-Theory, Digits
Unordered triplet 300 52 Algebra, Number-Theory
Nice Integer 400 5 Number-Theory, Algebra, Polynomials
Good Order 600 3 Algebra, Number-Theory
Lin's Numbers 400 32 Number-Theory, Algebra