Problems

1 – 29 of 29

Problem Title Likes Solvers Difficulty

Problem 59866. Determine if the square root is an integer.

Created by: Lucas

Tags integer, true, false

Problem 3010. Self-similarity 1 - Every other term

Created by: goc3

Tags integer, sequence, self

Problem 3011. Self-similarity 2 - Every third term

Created by: goc3

Tags integer, sequence, self

Problem 43283. Subtract integers and add doubles

Created by: Marc Jakobi

Tags integer, float, poor_problem_statement

109

Problem 3015. Sum all integers from 1 to 2^x

Created by: Mycah Robinson

Tags series, sum, integer

113

Problem 1278. Find the nearest integer

Created by: Bruce Raine

Tags match, integer, poor_test_suite

352

Problem 2496. Unusual Concatenations

Created by: Peter Cook

Tags integer

Problem 543. deconvolution

Created by: AMITAVA BISWAS

Tags convolution, algebra, polynomial

Problem 1089. Create a random vector of integers with given sum

Created by: J-G van der Toorn

Tags vector, random, sum

Problem 44812. Draw Dominos

Created by: goc3

Tags game, integer, draw

Problem 3016. Twin Primes

Created by: goc3

Tags prime, integer, sequence

Problem 44068. The number of trailing zero digit of a factorial

Created by: Jihye Sofia Seo

Tags integer, number theory, factorial

Problem 47568. find the lowest number with given amount of integer factors

Created by: Samuel Ammann

Tags integer, factorization

Problem 3002. Not square-free number sequence

Created by: goc3

Tags square, number, integer

Problem 3012. Self-similarity 3 - Every other pair of terms

Created by: goc3

Tags integer, self, similar

Problem 49835. Decimal to Binary conversion for Large Integers

Created by: Gifari Zulkarnaen

Tags binary, conversion, decimal

Problem 3001. Sphenic number sequence

Created by: goc3

Tags prime, number, factor

Problem 60436. switch base

Created by: CXD

Tags base, integer

Problem 44305. 5 Prime Numbers

Created by: goc3

Tags prime, primes, string

439

Problem 44065. Number of even divisors of a given number

Created by: Jihye Sofia Seo

Tags factor, integer, number theory

Problem 49788. Carmichael Number

Created by: Gifari Zulkarnaen

Tags math, exponential, integer

Problem 3003. Mobius function

Created by: goc3

Tags prime, number, factor

Problem 44789. Big Integer Sqrt

Created by: Binbin Qi

Tags integer, big, sqrt

Problem 44071. Smallest n, for n! to have m trailing zero digits

Created by: Jihye Sofia Seo

Tags integer, factorial, factorisation

Problem 2800. arithmetic progression

Created by: Guillaume

Tags integer, arithmetic progression

135

Problem 42831. Integer complexity

Created by: HH

Tags numbers, integer, number theory

Problem 57545. Integer vector optimal lossless deduplication

Created by: 埃博拉酱

Tags optimization, integer, deduplication

Problem 42504. Data Regularization

Created by: Peng Liu

Tags matrix, integer, vectorization

Problem 42834. Integer complexity (Large numbers)

Created by: Peng Liu

Tags integer, number theory, complexity

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Problem Groups

Problems

Problem 59866. Determine if the square root is an integer.

Problem 3010. Self-similarity 1 - Every other term

Problem 3011. Self-similarity 2 - Every third term

Problem 43283. Subtract integers and add doubles

Problem 3015. Sum all integers from 1 to 2^x

Problem 1278. Find the nearest integer

Problem 2496. Unusual Concatenations

Problem 543. deconvolution

Problem 1089. Create a random vector of integers with given sum

Problem 44812. Draw Dominos

Problem 3016. Twin Primes

Problem 44068. The number of trailing zero digit of a factorial

Problem 47568. find the lowest number with given amount of integer factors

Problem 3002. Not square-free number sequence

Problem 3012. Self-similarity 3 - Every other pair of terms

Problem 49835. Decimal to Binary conversion for Large Integers

Problem 3001. Sphenic number sequence

Problem 60436. switch base

Problem 44305. 5 Prime Numbers

Problem 44065. Number of even divisors of a given number

Problem 49788. Carmichael Number

Problem 3003. Mobius function

Problem 44789. Big Integer Sqrt

Problem 44071. Smallest n, for n! to have m trailing zero digits

Problem 2800. arithmetic progression

Problem 42831. Integer complexity

Problem 57545. Integer vector optimal lossless deduplication

Problem 42504. Data Regularization

Problem 42834. Integer complexity (Large numbers)