Problems

1 – 32 of 32

Problem Title Likes Solvers Difficulty

Problem 43563. Calculate cosine without cos(x)

Created by: Marco Tullio

Tags trigonometry

Problem 2499. Airline Ticket Mod7 Checksum

Created by: Peter Cook

Tags mod7, plane ticket, checksum

Problem 2161. Let's get back to school, and create multiplication tables

Created by: Swapnali Gujar

Tags easy, multiplication

165

Problem 42775. Raise a polynomial to a power

Created by: William

Tags math, basic matlab, polynomial

Problem 44274. Calculate the sum of two polynomials

Created by: Rafael Hernandez-Walls

Tags linear algebra, polynomial

Problem 2281. Array ex-OR

Created by: Jan Orwat

Tags xor, basic matlab, exclusive or

Problem 44156. Weighted average

Created by: Informaton

Tags vectors, weighted average, matrix multiplication

Problem 1502. Perl 1: push

Created by: Clemens Giegerich

Tags perl

Problem 44159. calculate PI without using pi function

Created by: huashou

Tags pi;

Problem 2240. Sum the 'edge' values of a matrix

Created by: Dimitrios

Tags easy, matrix, sum

278

Problem 1344. Moving average (variable kernel length)

Created by: Selvaraaju Murugesan

Tags basic matlab

108

Problem 44498. Please check the last row

Created by: Noriko HOUNOKI

Tags matrix, basic matlab

Problem 43283. Subtract integers and add doubles

Created by: Marc Jakobi

Tags integer, float, poor_problem_statement

Problem 43968. Concatenated roots

Created by: Daniel Pereira

Tags series, factorial, roots

Problem 43564. Calculate sin(x) without sin(x)

Created by: Marco Tullio

Tags trigonometry

Problem 43560. Calculate the hypotenuse of a right triangle without using ^ and sqrt ()

Created by: Marco Tullio

Tags triangle

Problem 2157. Multiplication

Created by: Abdullah Caliskan

Tags multiplication, vector basic

Problem 43738. Negative without '-'

Created by: JD

Tags subtraction

Problem 2413. Temperature Conversion Utility

Created by: goc3

Tags conversion, convert, temperature

Problem 2810. Determinant without using det()

Created by: Mattias

Tags determinant

Problem 44065. Number of even divisors of a given number

Created by: Jihye Sofia Seo

Tags factor, integer, number theory

Problem 511. Converting Decimal to Binary

Created by: Turgut

Tags binary, convert, decimal

Problem 43650. Church Encoding

Created by: Kensuke Fujita

Tags math, computer science, functional programming

Problem 2797. modular arithmetic

Created by: rifat

Tags number theory

Problem 110. Make an N-dimensional Multiplication Table

Created by: @bmtran (Bryant Tran)

Tags multiplication, linear algebra

116

Problem 44467. Product of Each Column

Created by: Shaul Salomon

Tags matrices, 22105

378

Problem 44490. Vector pop

Created by: Shaul Salomon

Tags vectors, 22105

375

Problem 1274. Accurate Division

Created by: Khaled Hamed

Tags long division

Problem 44486. Vector push

Created by: Shaul Salomon

Tags vector, 22105

364

Problem 44491. Shuffle

Created by: Shaul Salomon

Tags vectors, function, 22105

316

Problem 2415. Temperature Conversion Utility (Strings)

Created by: goc3

Tags string, conversion, convert

Problem 2237. Mmm! Multi-dimensional Matrix Multiplication

Created by: J-G van der Toorn

Tags multiplication, matrix, multi-dimensional

1 – 32 of 32

Trial software

Difficulty Rating

Problem Groups

Problems

Problem 43563. Calculate cosine without cos(x)

Problem 2499. Airline Ticket Mod7 Checksum

Problem 2161. Let's get back to school, and create multiplication tables

Problem 42775. Raise a polynomial to a power

Problem 44274. Calculate the sum of two polynomials

Problem 2281. Array ex-OR

Problem 44156. Weighted average

Problem 1502. Perl 1: push

Problem 44159. calculate PI without using pi function

Problem 2240. Sum the 'edge' values of a matrix

Problem 1344. Moving average (variable kernel length)

Problem 44498. Please check the last row

Problem 43283. Subtract integers and add doubles

Problem 43968. Concatenated roots

Problem 43564. Calculate sin(x) without sin(x)

Problem 43560. Calculate the hypotenuse of a right triangle without using ^ and sqrt ()

Problem 2157. Multiplication

Problem 43738. Negative without '-'

Problem 2413. Temperature Conversion Utility

Problem 2810. Determinant without using det()

Problem 44065. Number of even divisors of a given number

Problem 511. Converting Decimal to Binary

Problem 43650. Church Encoding

Problem 2797. modular arithmetic

Problem 110. Make an N-dimensional Multiplication Table

Problem 44467. Product of Each Column

Problem 44490. Vector pop

Problem 1274. Accurate Division

Problem 44486. Vector push

Problem 44491. Shuffle

Problem 2415. Temperature Conversion Utility (Strings)

Problem 2237. Mmm! Multi-dimensional Matrix Multiplication